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		<id>https://www.explainxkcd.com/wiki/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=172.71.154.76</id>
		<title>explain xkcd - User contributions [en]</title>
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		<updated>2026-04-16T15:36:40Z</updated>
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	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3034:_Features_of_Adulthood&amp;diff=361252</id>
		<title>3034: Features of Adulthood</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3034:_Features_of_Adulthood&amp;diff=361252"/>
				<updated>2025-01-07T16:41:51Z</updated>
		
		<summary type="html">&lt;p&gt;172.71.154.76: /* Events */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 3034&lt;br /&gt;
| date      = January 6, 2025&lt;br /&gt;
| title     = Features of Adulthood&lt;br /&gt;
| image     = features_of_adulthood_2x.png&lt;br /&gt;
| imagesize = 704x620px&lt;br /&gt;
| noexpand  = true&lt;br /&gt;
| titletext = I don't dig pit traps and cover them with sticks and a thin layer of leaves nearly as much as I expected; I find a chance to do it barely once a month.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete| Unexpectedly created by an adult BOT digging pit traps - Please change this comment when editing this page. Do NOT delete this tag too soon.}}&lt;br /&gt;
 &lt;br /&gt;
This comic is a graph comparing  the (mostly) common ideas of adulthood from a young person's perspective with the sad reality of it. The features that are most expected but don't actually come up (quicksand, grappling hooks, crocodiles, and twins switching place) are common tropes in fiction. At the opposite end, some very mundane activities are common but we don't expect them to be important when we're young: deciding what to eat, dealing with weird noises and smells.&lt;br /&gt;
&lt;br /&gt;
It is clear that many of the things that were imagined more likely than they turned out to be are ''direct'' references to fictional scenarios on film or TV, especially with a number of action movie tropes, throughout the 'lower-right triangle'. In contrast, the complimentary 'upper-left triangle' has situations that mostly (though not entirely!) seem to not be portrayed in many fictional depictions.&lt;br /&gt;
&lt;br /&gt;
==Events==&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! Event&lt;br /&gt;
! Expected frequency in adulthood&lt;br /&gt;
! Actual frequency in adulthood&lt;br /&gt;
! Notes&lt;br /&gt;
|-&lt;br /&gt;
| {{tvtropes|FormalFullArrayOfCutlery|Which fork you're supposed to use for what}}&lt;br /&gt;
| 0%&lt;br /&gt;
| 0%&lt;br /&gt;
| Different types of {{w|forks}} are used to eat different courses of a meal. Usually, cutlery is arranged in a way that makes it easier to understand which is needed. Learning which fork to use may be a lesson in an {{w|etiquette school}} class.&lt;br /&gt;
|-&lt;br /&gt;
| {{tvtropes|CartoonBomb|Lit fuses}}&lt;br /&gt;
| 40%&lt;br /&gt;
| 0%&lt;br /&gt;
| Explosives with visible lit fuses are commonly seen in movies and TV shows. In reality, explosives are more likely to be remotely detonated or have an {{w|time bomb|unlit}} or concealed fuse (e.g. {{w|grenade}}s). Also, most people don't generally have to deal with explosives anyway.&lt;br /&gt;
|-&lt;br /&gt;
| {{tvtropes|PalatePropping|Shoving a stick}} in a {{w|crocodile}}'s mouth to wedge it open&lt;br /&gt;
| 80%&lt;br /&gt;
| 0%&lt;br /&gt;
| Placing a vertical stick in a crocodile’s mouth is a popular TV trope to prevent the crocodile from {{w|Crocodile attack|bitting down}} (usually on the stick placer).&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Quicksand}}&lt;br /&gt;
| 100%&lt;br /&gt;
| 0%&lt;br /&gt;
| Quicksand is {{tvtropes|QuicksandSucks|common in adventure fiction}}, but it's quite rare in real life, and an average person is highly unlikely to encounter quicksand in day to day life.&lt;br /&gt;
|- &lt;br /&gt;
| {{w|Car chase}}s&lt;br /&gt;
| 35%&lt;br /&gt;
| 5%&lt;br /&gt;
| Car chases are frequently seen in movies and TV shows involving police, including real-life police shows, but unless you're a police officer or criminal trying to evade them, you'll probably never be involved in one. One actual car chase that attracted widespread attention was {{w|O.J.Simpson}}'s white Ford Bronco, which was shown on TV after he was identified as the prime suspect in his wife's murder.&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Grappling hook}}s&lt;br /&gt;
| 100%&lt;br /&gt;
| 5%&lt;br /&gt;
| A grappling hook is a metal piece that is attached to a rope. If the person is going up a cliff, the “hook” would be thrown or shot at the top of the cliff and would either snag something, or more commonly, would wrap around something like a tree then hook onto itself, thus securing a way up the cliff.&lt;br /&gt;
|-&lt;br /&gt;
| People offering free drugs&lt;br /&gt;
| 30%&lt;br /&gt;
| 10%&lt;br /&gt;
| Typically refers to illicit drugs. The expectation is that a drug pusher will offer you free samples to get you addicted, then start charging expensive prices.&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Parachute}}s&lt;br /&gt;
| 80%&lt;br /&gt;
| 10%&lt;br /&gt;
| A large piece of fabric that is tied to you in order to slow a {{w|Parachuting|very high fall}}.&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Barrels}}&lt;br /&gt;
| 95%&lt;br /&gt;
| 10%&lt;br /&gt;
| Wooden or {{w|Drum (container)|metal}} storage implements, frequently used as concealment, improvised weapons and (sometimes explosive) obstacles in popular media.&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Middle name}}s&lt;br /&gt;
| 15%&lt;br /&gt;
| 20%&lt;br /&gt;
| A second (or occasionally also third or more) {{w|given name}}, common in some traditions. Sometimes used specifically to honor someone (perhaps the same first name of a grandparent or loved one, occasionally such a person's surname). It can be used as further identification, if one has a common first and last name. In some families, the first name may be traditionally shared with the appropriate parent (and the grandparent, their parent) and reference by the middle name(s), alone, may be more useful to distinguish the person being addressed from within a family situation. In later life, a person may drop the use of middle names (or, conversely, adopt ''only'' them as the name they are known by) and the unwieldy complete set of names becomes less common, as they may be considered unprofessional and unnecessary.&lt;br /&gt;
Authors and politicians may most obviously buck this trend, as they have to develop an identity far beyond their immediate personal and professional circles, and perhaps need to be more unambiguously individual and free of confusion from others of similar named as &amp;quot;Firstname Surname&amp;quot;, but this might also just reflect that the practice of more formally complete names is a tradition that is being dropped from those of [[Randall]] (Patrick) Munroe's generation, leaving only the generations before (most represented, in the public eye, by elder statesmen and well-read writers) still using them in the way they always did.&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Food fight}}s&lt;br /&gt;
| 50%&lt;br /&gt;
| 20%&lt;br /&gt;
| &lt;br /&gt;
|-&lt;br /&gt;
| {{tvtropes|TwinSwitch|Twins switching places}}&lt;br /&gt;
| 90%&lt;br /&gt;
| 20%&lt;br /&gt;
| &amp;lt;!-- Wait, twins switching places is a thing in Randell´s life? --&amp;gt; Frequency of more than 0% might a joke, or maybe due to having twins as friends, colleagues or relatives.&lt;br /&gt;
|-&lt;br /&gt;
| {{tvtropes|PoptheTires|Flat}} {{w|tire}}s&lt;br /&gt;
| 10%&lt;br /&gt;
| 25%&lt;br /&gt;
| &lt;br /&gt;
|-&lt;br /&gt;
| {{w|Briefcase}}s&lt;br /&gt;
| 70%&lt;br /&gt;
| 25%&lt;br /&gt;
| Frequently used to carry documents and other small office equipment. Often portrayed as {{tvtropes|BriefcaseFullOfMoney|a means to carry a large amount of cash}} or {{tvtropes|BriefcaseBlaster|conceal a firearm}}. The popularity of briefcases has been declining after the 1980s so it's possible that Randall observed grown-ups using briefcases when he was a kid and assumed he would too, only for them to go out of fashion.&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Martial arts}}&lt;br /&gt;
| 95%&lt;br /&gt;
| 25%&lt;br /&gt;
| &lt;br /&gt;
|-&lt;br /&gt;
| {{w|Water damage}}&lt;br /&gt;
| 0%&lt;br /&gt;
| 25%&lt;br /&gt;
| &lt;br /&gt;
|-&lt;br /&gt;
| {{w|Backpack}}s&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| Backpacks of various sizes are a versatile means to carry items. They are almost as popular in real life as in fiction, though the contents may be somewhat different.&lt;br /&gt;
|-&lt;br /&gt;
| {{w|My academic record}}s&lt;br /&gt;
| 95%&lt;br /&gt;
| 30%&lt;br /&gt;
|  &lt;br /&gt;
|-&lt;br /&gt;
| {{w|Adhesive}}s&lt;br /&gt;
| 15%&lt;br /&gt;
| 50%&lt;br /&gt;
| Adhesives such as {{w|glue}}, {{w|adhesive tape|tape}} and {{w|epoxy resin}} are used to bond items together, typically for use in arts and crafts. They also have widespread industrial applications.&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Board game}}s&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| Board games are sometimes used as minigames in video games. The {{w|Mario Party}} franchise is a video game adaptation of the board game formula.&lt;br /&gt;
|-&lt;br /&gt;
| Tying {{w|knot}}s&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| There are many knots to tie, each with distinct purposes. May also refer to &amp;quot;tying the knot&amp;quot;, an expression for {{w|marriage}}.&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Cable management}}&lt;br /&gt;
| 0%&lt;br /&gt;
| 50%&lt;br /&gt;
| Cable managment is an annoying but often required task for most adults. Cable managment is the act of tidying up the cables in and around a computer or other device.&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Laser}}s&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
|&lt;br /&gt;
|-&lt;br /&gt;
| Dangerous driving situations&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
|-&lt;br /&gt;
| {{w|Pizza}}&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| Often thought of as takeout or delivery food. A favorite of {{w|Spider-Man}} and the {{w|Teenage Mutant Ninja Turtles}}.&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Star Wars}}&lt;br /&gt;
|&lt;br /&gt;
|&lt;br /&gt;
|&lt;br /&gt;
|-&lt;br /&gt;
| Cool toys&lt;br /&gt;
|&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
|-&lt;br /&gt;
| {{w|Weather forecast}}s&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
|-&lt;br /&gt;
| {{w|Batteries}}&lt;br /&gt;
|&lt;br /&gt;
|&lt;br /&gt;
|&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Power tools}}&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
|-&lt;br /&gt;
| {{w|Video game}}s&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| Often thought of as a childish pastime, adults frequently play video games.&lt;br /&gt;
|-&lt;br /&gt;
| Figuring out what to have for dinner&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
|-&lt;br /&gt;
| {{w|Heating, ventilation and air conditioning|HVAC}} issues&lt;br /&gt;
| 20%&lt;br /&gt;
| 80%&lt;br /&gt;
| HVAC is an acronym that stands for 'heating, ventilation and air conditioning.'  If one owns a home, problems with the heater or air conditioner can quickly make your home very uncomfortable (too cold in the winter or too hot in the summer) and becomes something you have to deal with right away.  Thus HVAC issues become a much more frequent part of an adult's life than a child may assume.&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Cooking}}&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
|&lt;br /&gt;
|-&lt;br /&gt;
| Secret {{w|password}}s&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
|-&lt;br /&gt;
| Laundry&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
|-&lt;br /&gt;
| {{w|Tax}}es&lt;br /&gt;
| 100%&lt;br /&gt;
| 85%&lt;br /&gt;
| One of two inevitable things in life, {{w|Death and taxes (idiom)|the other being death}}{{cn}}&lt;br /&gt;
|-&lt;br /&gt;
| Customer service&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
|-&lt;br /&gt;
| Shopping&lt;br /&gt;
| 100%&lt;br /&gt;
| 90%&lt;br /&gt;
| &lt;br /&gt;
|-&lt;br /&gt;
| Unexplained smells or noises&lt;br /&gt;
| &lt;br /&gt;
| 100%&lt;br /&gt;
| &lt;br /&gt;
|-&lt;br /&gt;
| Pocket radio communicators&lt;br /&gt;
| &lt;br /&gt;
| 100%&lt;br /&gt;
| Examples include {{w|cell phone}}s, {{w|pager}}s and {{w|walkie-talkie}}s&lt;br /&gt;
|-&lt;br /&gt;
| Bills&lt;br /&gt;
| 90%&lt;br /&gt;
| 100%&lt;br /&gt;
| Most households have to contend with electricity, water and telecommunication service bills&lt;br /&gt;
|-&lt;br /&gt;
| Digging {{w|pit trap}}s (title text)&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| Inside the Star Destroyer in [[1608: Hoverboard]] we see [https://www.explainxkcd.com/wiki/images/f/fd/1608_1055x1090y_Trap_covered_with_leaves_and_flying_Ponytail_at_bottom_of_hull.png Cueball cover a pit trap with leaves], so this is something Randall actually thinks about sometimes!&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
{{incomplete transcript|Do NOT delete this tag too soon.}}&lt;br /&gt;
&lt;br /&gt;
:[Shown is a scatter plot, with arrowed labels on the axes:]&lt;br /&gt;
:Y axis label: How often it comes up in my adult life&lt;br /&gt;
:X axis label: How often I expected it to come up in my adult life&lt;br /&gt;
&lt;br /&gt;
:[First row of items (comes up very often, from least to most expected):]&lt;br /&gt;
:Unexplained smells or noises, customer service, pocket radio communicators, bills, shopping&lt;br /&gt;
:[Items row by row from the second row onwards:]&lt;br /&gt;
:Figuring out what to have for dinner, HVAC issues, secret passwords, laundry, cooking, taxes&lt;br /&gt;
:Weather forecasts, batteries, video games, power tools&lt;br /&gt;
:Cable management, dangerous driving situations, pizza, Star Wars, lasers, cool toys&lt;br /&gt;
:Adhesives, board games, tying knots&lt;br /&gt;
:Water damage, backpacks, my academic record&lt;br /&gt;
:Flat tires, briefcases, martial arts&lt;br /&gt;
:Middle names, people offering free drugs, food fights, parachutes, twins switching places, barrels&lt;br /&gt;
:[Last row (comes up very rarely, from least to most expected):]&lt;br /&gt;
:Which fork you're supposed to use for what, car chases, lit fuses, shoving a stick in a crocodile's mouth to wedge it open, grappling hooks, quicksand&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Scatter plots]]&lt;br /&gt;
[[Category:Food]]&lt;br /&gt;
[[Category:Weather]]&lt;br /&gt;
[[Category:Star Wars]]&lt;br /&gt;
[[Category:Video games]]&lt;br /&gt;
[[Category:Board games]]&lt;br /&gt;
[[Category:Animals]]&lt;/div&gt;</summary>
		<author><name>172.71.154.76</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:3020:_Infinite_Armada_Chess&amp;diff=358771</id>
		<title>Talk:3020: Infinite Armada Chess</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:3020:_Infinite_Armada_Chess&amp;diff=358771"/>
				<updated>2024-12-06T18:21:06Z</updated>
		
		<summary type="html">&lt;p&gt;172.71.154.76: Opening theory&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&amp;lt;!--Please sign your posts with ~~~~ and don't delete this text. New comments should be added at the bottom.--&amp;gt;&lt;br /&gt;
Did I do well? Added a very very basic explanation. [[Special:Contributions/172.68.147.132|172.68.147.132]] 04:25, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
Well, yes but I wonder if just one tiny fix is needed. If you replace the white side with a simplyfied artillery tower, you reinvented space invaders.{{unsigned ip|172.71.160.70|04:57, 5 December 2024 (UTC)}}&lt;br /&gt;
&lt;br /&gt;
I was personally hoping for an explanation of the Infinite Armada thing, and I feel like a link to the TV Tropes page doesn't really. Explain that at all. So I would love a bit of an expansion on that part! Just want to be sure I didn't miss some reference or something. [[Special:Contributions/172.68.23.91|172.68.23.91]] 05:48, 5 December 2024 (UTC)&lt;br /&gt;
: Likewise. I get the comic, but I assumed the 'armada' part was a reference that I just did not get. But it seems it is just a word choice. [[Special:Contributions/172.71.102.105|172.71.102.105]] 09:39, 5 December 2024 (UTC)&lt;br /&gt;
:: The only &amp;quot;Infinite Armada&amp;quot; reference I can think of is ''[https://en.wikipedia.org/wiki/Star_Wars:_Knights_of_the_Old_Republic Star Wars: Knights of the Old Republic]'', which kind of makes sense because if you have a Star Forge to make chess pieces with, why wouldn't you make them all queens? [[Special:Contributions/162.158.167.159|162.158.167.159]] 18:47, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
I think that since the error was &amp;quot;out of bounds&amp;quot;, not &amp;quot;out of memory&amp;quot;, it's referring to indexing outside of the region of memory that the program allocated to deal with the board. This would happen since instead of addressing rank 1..8, you could address rank 9, 10, 0, or -1. Unless bounds checking is performed when converting the board coordinates into linear array indices, you'd get an out-of-bounds error (or worse, succeed in reading or modifying memory that you weren't intending to). --[[Special:Contributions/172.71.30.253|172.71.30.253]] 05:45, 5 December 2024 (UTC)&lt;br /&gt;
:It was &amp;quot;Out of Bounds memory access&amp;quot;. That means it was trying to access a memory address that was out of the bounds of the computer, as if it were trying to access the  ω-th index of the board array, which would put it out of the memory range of any computer [[User:Firestar233|guess who]] ([[User talk:Firestar233|if you want to]] | [[Special:Contributions/Firestar233|what i have done]]) 06:15, 5 December 2024 (UTC)&lt;br /&gt;
:: There is no hint that the bounds are those of the computer, the simplest explanation really is that the bounds are those of an array. The error message does come up. In addition, to try to access the memory at the ω-th index, you would need to construct the ω-th index itself first (which would fail or not terminate) [[User:Jmm|Jmm]] ([[User talk:Jmm|talk]]) 07:01, 5 December 2024 (UTC)&lt;br /&gt;
::: The specific message, &amp;quot;RuntimeError: Out of bounds memory access&amp;quot;, is a WebGL error issuing from its WASM cross-platform browser implementation. This implies to me that an attempt to render an infinite chessboard failed in a fairly trivial way, because of a poor implementation. It's very unlikely that there had been a problem with the [https://github.com/official-stockfish/Stockfish/tree/master/src Stockfish playing algorithm] yet, which would have failed with a different message if it ran out of memory, such as &amp;quot;Killed&amp;quot;, which is all that shells like Bash print when one of their job processes is killed by the kernel's OOM killer, or by anything else for that matter. [[Special:Contributions/172.70.215.21|172.70.215.21]] 12:58, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
Is this a reference to [https://youtu.be/rav29N0-h2c infinite chess by Naviary?] [[User:HaruruChanDesu|HaruruChanDesu]] ([[User talk:HaruruChanDesu|talk]]) 11:21, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
&amp;quot;it does not really need to consider the infinitely many pieces&amp;quot; =&amp;gt; a chess Engine would need to consider the infinitely many pieces (or have a way to abstract them), even if some pieces are currently stuck because the engine recursively evaluates moves and counter-moves (i.e. evaluates the game up to some depth).&lt;br /&gt;
&lt;br /&gt;
Is the cardinality of the set of all the pieces smaller than the cardinality of the set of all possible moves?  My gut instinct says yes but I don't have the energy to muck around and see if I can prove it.  If I did try I think that matrix diagonalization would be the first thing I'd try.  Anybody less lazy than me on this? --[[User:Tomb|Tomb]] ([[User talk:Tomb|talk]]) 21:30, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
Can someone explain the linked joke with all the extra queens? I don't understand why it's a bad position. [[Special:Contributions/172.69.59.126|172.69.59.126]] 16:49, 5 December 2024 (UTC)&lt;br /&gt;
:Knight to d6. [[Special:Contributions/162.158.167.175|162.158.167.175]] 17:09, 5 December 2024 (UTC)&lt;br /&gt;
::...is checkmate by black. White can't capture the knight with either of the two queens that attack it because they're both pinned, by black's bishop and rook. (And we know it's black's turn to move because the colored squares indicate white just moved.) [[User:DKMell|DKMell]] ([[User talk:DKMell|talk]]) 17:54, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
Expected some discussion here already on the best opening moves given a infinite board or at least the board depicted.&lt;br /&gt;
1. e3 e6 2. Qh5 seems a logical start, but not entirely sure what would happen after that?&lt;br /&gt;
Any ideas? [[User:Flekkie|Flekkie]] ([[User talk:Flekkie|talk]]) 22:56, 5 December 2024 (UTC)&lt;br /&gt;
:I think games will generally end in a draw by perpetual check that's something like:&lt;br /&gt;
:1. Qxd7+ Qxd7&lt;br /&gt;
:2. Qxd7+ (etc)&lt;br /&gt;
:It's tricky to prevent a player at a disadvantage from repeatedly sacrificing queens from further and further away down some file. [[Special:Contributions/172.68.54.138|172.68.54.138]] 02:43, 6 December 2024 (UTC)&lt;br /&gt;
::However, the rules of chess wouldn't cause this game to end in a draw since there are captures every turn, and captures reset the 50-move counter that triggers a draw. The players could agree to a draw - or perhaps the player at a disadvantage could hope to win by exhaustion, that is, by following this strategy indefinitely and hoping the other player collapses from weariness first. [[User:DKMell|DKMell]] ([[User talk:DKMell|talk]]) 03:27, 6 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
== Hit me up when this becomes real. ==&lt;br /&gt;
&lt;br /&gt;
I would like to try this out. [[User:CalibansCreations|'''&amp;lt;span style=&amp;quot;color:#ff0000;&amp;quot;&amp;gt;Caliban&amp;lt;/span&amp;gt;''']] ([[User talk:CalibansCreations|talk]]) 12:29, 5 December 2024 (UTC)&lt;br /&gt;
:It should be easy enough. You will rarely get the queens out in play from deep in the array. So maybe just put two chess boars together and put some placeholder in for queens in the extra fields. If ever a queen in the bottom row is moved, place extra queens that can now be moved into the 2-3 squares that would be outside the board...--[[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 12:39, 5 December 2024 (UTC)&lt;br /&gt;
:It might be something one could set up in Infinite Chess, although having limits on the chessboard may be difficult. [[Special:Contributions/172.68.150.67|172.68.150.67]] 14:01, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
: Here's a finite approximation in ChessCraft: https://www.chesscraft.ca/design?id=5KM4 [[User:Promethean|Promethean]] ([[User talk:Promethean|talk]]) 15:37, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
While I understand how to play chess, I don't get the bit about &amp;quot;having a bunch of queens doesn't go very well&amp;quot;. At first glance, the linked chess layout looks pretty solid. Can someone please enlighten me? Also, what does the TV Tropes link about Title Drop have to do with Infinite Armada, aside from that being the title of the comic? [[Special:Contributions/172.70.230.77|172.70.230.77]] 13:10, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
:: ... Nd6. [[Special:Contributions/172.70.91.246|172.70.91.246]] 13:31, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
::: Ah, thanks. Moving the knight there puts the king in check, and moving either queen to take it exposes the king to the bishop or rook, so checkmate. [[Special:Contributions/162.158.63.38|162.158.63.38]] 15:05, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
::::You are assuming that the opponent makes no moves while you spend at least three moves advancing your knight. Looks like either side can draw by always moving the king backwards whenever a queen has moved and made a hole he can move to and otherwise trying to make a new, deeper hole. Eventually he gets so far back that any attack turns into an infinite sequence of queens taking each other, with the attacker only having file attacks while the defender can retake from a rank, file, or diagonal. Any time the attacker breaks off the infinite sequence of queens taking each other to set up something else, the defender takes advantage of the break to move the king deeper and put more queens in front of him or to create more empty spaces to sidestep into when attacked. To me, this looks like a certain draw. [[Special:Contributions/172.69.33.252|172.69.33.252]] 16:21, 5 December 2024 (UTC) &lt;br /&gt;
&lt;br /&gt;
:::::They're talking about the linked layout at https://x.com/chesscom/status/1841540380363211164, not the layout in the comic. It only takes one move for the black knight to move to Nd6 and put the white king in checkmate. [[Special:Contributions/141.101.109.167|141.101.109.167]] 20:59, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
You might be able to get the developer of fairy stockfish ( https://fairy-stockfish.github.io/ ) to add this if you ask nicely. I have seen them add several reader requests. [[Special:Contributions/172.70.211.143|172.70.211.143]] 15:46, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
Could this be a reference to the meme about &amp;quot;eating an infinite armada of pizza&amp;quot;? The wording seems too similar to be a coincidence. [[Special:Contributions/172.70.114.46|172.70.114.46]] 14:46, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
Would this guarantee a draw between two competent players who'd played the variant before, or would there be more nuance to it than there appears to be?&lt;br /&gt;
&lt;br /&gt;
Can someone explain the linked joke with all the extra queens? I don't understand why it's a bad position. [[Special:Contributions/172.69.59.125|172.69.59.125]] 16:48, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
The explanation of the linked joke is that the king appears safe at first glance, but in reality there is a simple move that wins the game for black. Moving the black knight to the top left corner of the queen square checks the king. The king cannot move to escape. Two queens are in position to take the knight and save the white king, but both of those moves expose the king to attack from other black pieces (the rook or the bishop).&lt;br /&gt;
&lt;br /&gt;
Wow. Not only did White give Black a mate in one, they also blundered a mate in one. [[Special:Contributions/162.158.167.176|162.158.167.176]] 20:21, 5 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
Really? This comic specifically references some obscure roblox game with like 350k visits? That can't be right. [[Special:Contributions/172.71.154.247|172.71.154.247]] 02:31, 6 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
This was the variant played at the chess tournament held at David Hilbert's Grand Hotel. You'd think they would have struggled to fit infinitely large boards in the conference room, but they just kept moving the tables until they had enough space. [[User:RegularSizedGuy|RegularSizedGuy]] ([[User talk:RegularSizedGuy|talk]]) 08:01, 6 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
Clarifying &amp;quot;Surprisingly little memory to analyze conventional Chess&amp;quot;: Without trying to &amp;quot;golf&amp;quot; the memory requirements, a board can be represented in 64 bytes, a reversible move in three bytes (start square, end square, piece captured). 40 moves without a pawn move or a capture is a draw, so the search stack is less than 5,680 moves. Two copies of the board (current search position, a board for looking back for detecting repeated positions), a few pointers for searching for moves to try: 20K of memory is plenty to search the entire Chess tree. And a truly unimaginably huge finite amount of time. (Golfers, start your carts!) [[Special:Contributions/172.68.55.12|172.68.55.12]] 12:08, 6 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
Queen to A9.56x10^14 -[[User:Psychoticpotato|P?sych??otic?pot??at???o ]] ([[User talk:Psychoticpotato|talk]]) 13:47, 6 December 2024 (UTC)&lt;br /&gt;
&lt;br /&gt;
Seems like a trivial win for white? Start w/ scholar's mate 1. e5 ... 2. Qh6, and just keep throwing queens at the king. It's much easier for the infinite queens to attack than to block and defend. [[Special:Contributions/172.71.154.76|172.71.154.76]] 18:21, 6 December 2024 (UTC)&lt;/div&gt;</summary>
		<author><name>172.71.154.76</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=721:_Flatland&amp;diff=356459</id>
		<title>721: Flatland</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=721:_Flatland&amp;diff=356459"/>
				<updated>2024-11-11T17:38:06Z</updated>
		
		<summary type="html">&lt;p&gt;172.71.154.76: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 721&lt;br /&gt;
| date      = March 31, 2010&lt;br /&gt;
| title     = Flatland&lt;br /&gt;
| image     = flatland.png&lt;br /&gt;
| titletext = Also, I apologize for the time I climbed down into your world and everyone freaked out about the lesbian orgy overseen by a priest.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
This comic is a reference to the satirical novel ''{{w|Flatland|Flatland: A Romance of Many Dimensions}}'', in which a society of flat shapes live in a {{w|Two-dimensional space|2D}} world -- a recurring reference in XKCD comics. Half the book is a direct satire of {{w|Victorian era|Victorian}} society, and the other half explores the experience of discovering a new dimension, where a sphere introduces a square (named A. Square) to {{w|Three-dimensional space|3D}}. [[Cueball]] appears to have taken the place of this sphere, and the comic takes place after the square knows the third dimension exists.&lt;br /&gt;
&lt;br /&gt;
Humans will never fully be able to fully grasp the concept of a fourth spatial dimension (at least not in the foreseeable future), but there are ways of squashing or slicing four dimensions to create partial visualizations of 4D space. ''{{w|Miegakure}}'' is a yet-to-be-released 4D game that uses cross-sections of 4D space. Cueball attempted to play a pre-release version of it, but after having his &amp;quot;mind blown&amp;quot;, he gained more sympathy for A. Square, who'd had similar trouble understanding 3D. A. Square accepts his apology.&lt;br /&gt;
&lt;br /&gt;
The joke here is that Cueball was being silly and drew lines on A. Square to make him look like {{w|SpongeBob SquarePants (character)|SpongeBob}}, which did not make the square happy. Cueball apologizes again. It could also possibly be lethal as, in ''Flatland'', it is shown that the flat surfaces of the shapes contain their organs.&lt;br /&gt;
&lt;br /&gt;
The title text is a third apology for when Cueball crawled down into the second dimension. Being a stick figure, he is composed of a circle and straight lines.{{Citation needed}} In Flatland, circles are priests (Flatland's highest social level. Actually, the highest aren't circles; in fact they are actually many-sided polygons that look identical to a true circle in Flatland.), and all women are lines; thus, to a watcher in Flatland, Cueball would look very much like a priest above many connected women, which may look like a lesbian orgy.&lt;br /&gt;
&lt;br /&gt;
Also worth mentioning is the pun in the greetings: A. Square - being on ground level - asks Cueball above him how he's doing by asking what's up.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[Cueball talks to a square on the ground.]&lt;br /&gt;
:Cueball: Hey, A. Square. How's Flatland?&lt;br /&gt;
:A. Square: Still flat. What's up?&lt;br /&gt;
:Cueball: I just spent an hour playing a demo of this 4D game called Miegakure.&lt;br /&gt;
&lt;br /&gt;
:[In a frameless panel, a character in Miegakure jumps around the 4D landscape.]&lt;br /&gt;
:Caption above the panel: Trying to jump from block to block in four dimensions hurt my brain.&lt;br /&gt;
&lt;br /&gt;
:[Cueball continues talking to A. Square on the ground.]&lt;br /&gt;
:Cueball: So I apologize for giving you a hard time when you were slow to understand 3D space. I sympathize now.&lt;br /&gt;
:A. Square: It's okay.&lt;br /&gt;
&lt;br /&gt;
:[Zoom in on Cueball's head]&lt;br /&gt;
:Cueball: Also, I apologize for drawing arms, legs, and eyes on you to make you look like SpongeBob. That was out of line.&lt;br /&gt;
:A. Square: Yes, it was.&lt;br /&gt;
&lt;br /&gt;
==Trivia==&lt;br /&gt;
*There is actually a [https://spongebob.fandom.com/wiki/Frankendoodle ''SpongeBob SquarePants'' episode] that features a flat creature that resembles a crude drawing of SpongeBob.&lt;br /&gt;
&lt;br /&gt;
===UniXKCD===&lt;br /&gt;
*This comic was released on March 31, 2010 and was still up on April 1st, 2010. &lt;br /&gt;
**On {{w|April_Fools%27_Day|April Fools' Day}} in 2010 [[Randall]] altered the website to mimic a {{w|Unix}} command line interface. &lt;br /&gt;
**This interface is still available on [https://uni.xkcd.com uni.xkcd.com] and the source code is available on [https://github.com/chromakode/xkcdfools GitHub]. &lt;br /&gt;
**See more on the [[UniXKCD]] April Fools' Day joke.&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Comics with color]]&lt;br /&gt;
[[Category:Comics featuring Cueball]]&lt;br /&gt;
[[Category:Geometry]]&lt;br /&gt;
[[Category:Video games]]&lt;br /&gt;
[[Category:Homosexuality]]&lt;br /&gt;
[[Category:Sex]]&lt;/div&gt;</summary>
		<author><name>172.71.154.76</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3007:_Probabilistic_Uncertainty&amp;diff=356065</id>
		<title>3007: Probabilistic Uncertainty</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3007:_Probabilistic_Uncertainty&amp;diff=356065"/>
				<updated>2024-11-07T02:09:43Z</updated>
		
		<summary type="html">&lt;p&gt;172.71.154.76: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 3007&lt;br /&gt;
| date      = November 4, 2024&lt;br /&gt;
| title     = Probabilistic Uncertainty&lt;br /&gt;
| image     = probabilistic_uncertainty_2x.png&lt;br /&gt;
| imagesize = 474x385px&lt;br /&gt;
| noexpand  = true&lt;br /&gt;
| titletext = &amp;quot;One popular strategy is to enter an emotional spiral. Could that be the right approach? We contacted several researchers who are experts in emotional spirals to ask them, but none of them were in a state to speak with us.&amp;quot;&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete|Created by a PESSIMISTIC POLL-VIEWING BOT - Please change this comment when editing this page. Do NOT delete this tag too soon.}}&lt;br /&gt;
This comic is about the difficulty of dealing psychologically with 50/50 odds, and is likely inspired by the {{W|2024 United States presidential election}}, as this comic was released the day prior.  The odds of the election as reported by many media sources were close to 50/50 &amp;lt;ref&amp;gt;https://www.270towin.com/2024-presidential-election-polls/&amp;lt;/ref&amp;gt; &amp;lt;ref&amp;gt;https://www.nytimes.com/interactive/2024/us/elections/polls-president.html&amp;lt;/ref&amp;gt; &amp;lt;ref&amp;gt;https://projects.fivethirtyeight.com/polls/president-general/2024/national/&amp;lt;/ref&amp;gt;, where the pre-election polls show roughly a 50/50 chance of either {{w|Kamala Harris}} or {{w|Donald Trump}} being elected. This 50/50 scenario is the third scenario shown in the comic.&lt;br /&gt;
&lt;br /&gt;
Further, with regards to N/A - the odds of &amp;quot;precisely&amp;quot; 50/50 are probabilistically zero, unless the event under consideration is something relatively trivial such as a coinflip or die roll (and even with those it is extremely unlikely the coins or dice are perfectly &amp;quot;fair&amp;quot;).  Any scenario that involves social sciences, such as an election (or even a single relationship) will never be precisely 50/50 (or, indeed, *any* discrete value).&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
!Odds&lt;br /&gt;
!How to think about it in an emotionally healthy way&lt;br /&gt;
!Explanation&lt;br /&gt;
|-&lt;br /&gt;
| Good outcome more likely || Recognize that the bad outcome is possible, but be reassured that the odds are in your favor || An optimistic attitude with a dose of realism.&lt;br /&gt;
|-&lt;br /&gt;
| Bad outcome more likely || Prepare for the bad outcome while remembering that the future isn't certain and hope is justified || A realistic attitude with a dose of optimism.&lt;br /&gt;
|-&lt;br /&gt;
| Precisely 50/50 || ????? N/A ???? || {{w|N/A}} stands for &amp;quot;not available&amp;quot;, &amp;quot;no answer&amp;quot;, &amp;quot;not applicable&amp;quot; or &amp;quot;not assessed&amp;quot;. The actual worst case scenario, with no single obvious stance (and then also its complimentary fallback position) to prepare to take.&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
There are any number of actual strategies to consider, the details of which will all depend very much upon the exact situation being faced, and one's own existing range of experiences and attitudes. Part of the joke may be in presenting such a condensed summary. Anyone who truly feels they need help to prepare such expectations should ideally seek specific advice/counsel, not take a generic and impersonal checklist at face value.&lt;br /&gt;
&lt;br /&gt;
The title text makes use of ambiguous wording: &amp;quot;researchers who are experts in emotional spirals&amp;quot; could either refer to researchers who study emotional spirals, or researchers who are undergoing emotional spirals themselves. Evidently, all the researchers &amp;quot;we&amp;quot; contacted were the latter, and thus unable to advise the comic.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
{{incomplete transcript|Do NOT delete this tag too soon.}}&lt;br /&gt;
[A table titled &amp;quot;Coping With Probabilistic Uncertainty&amp;quot;, with two columns labeled &amp;quot;Scenario&amp;quot; and &amp;quot;How to think about it in an emotionally healthy way&amp;quot;. The boxes in the Scenario column contains text followed by a rectangle split into two parts; the left part is a smiley face, the right part is a frowny face with slanted, angry eyes.]&lt;br /&gt;
&lt;br /&gt;
Row 1, column 1: &amp;quot;Good outcome more likely&amp;quot;. The smiley face portion of the rectangle is about 75%. &lt;br /&gt;
Row 1, column 2: &amp;quot;Recognize that the bad outcome is possible, but be reassured that the odds are in your favor&amp;quot;.&lt;br /&gt;
&lt;br /&gt;
Row 2, column 1: &amp;quot;Bad outcome more likely&amp;quot;. The smiley face portion of the rectangle is about 25%.&lt;br /&gt;
Row 2, column 2: &amp;quot;Prepare for the bad outcome while remembering that the future isn't certain and hope is justified&amp;quot;.&lt;br /&gt;
&lt;br /&gt;
Row 3, column 1: &amp;quot;Precisely 50/50&amp;quot;. The rectangle is split in half.&lt;br /&gt;
Row 3, column 2: &amp;quot;????? N/A ????&amp;quot;&lt;br /&gt;
&lt;br /&gt;
==Trivia==&lt;br /&gt;
* This comic was posted a day before Election Day in the US, where the media has been reporting (based off of voter polls) that the 2 presidential candidates ([[Kamala Harris]] and [[Donald Trump]]) are closely contesting for the White House.  This may be a possible reason behind the creation of this comic. &lt;br /&gt;
&lt;br /&gt;
* Randall has dealt with the possibility of a tied electoral count 12 years before in ''what-if? [https://what-if.xkcd.com/19 #19]''&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Psychology]] [[Category:Statistics]]&lt;/div&gt;</summary>
		<author><name>172.71.154.76</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:2823:_Fossil&amp;diff=323144</id>
		<title>Talk:2823: Fossil</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:2823:_Fossil&amp;diff=323144"/>
				<updated>2023-09-02T08:17:25Z</updated>
		
		<summary type="html">&lt;p&gt;172.71.154.76: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Boop! [[User:PotatoGod|PotatoGod]] ([[User talk:PotatoGod|talk]]) 07:53, 2 September 2023 (UTC)&lt;br /&gt;
&lt;br /&gt;
Came here to find out what in the heck ‘boop’ has to do with anything, learned absolutely nothing (autospell changed it to “book” so I’m not alone). [[Special:Contributions/172.71.154.76|172.71.154.76]] 08:17, 2 September 2023 (UTC)&lt;/div&gt;</summary>
		<author><name>172.71.154.76</name></author>	</entry>

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