2) It is generally a bad idea to save the SAME killer into multiple slots of your table. This reduces to effective size of your Killer Move table, and also makes it possible such that the following occurs: Your table contains {A, B, C, D} for a given depth. Move D is then found to refute 3 different lines of play (Awesome!), now your table contains {D, D, D, D}. If A, B, or C had any value, it is now lost.

3) From personal experience, there is hardly any benefit to having more than two Killer moves for a given depth. In Ethereal, three-moves loses elo over two-moves, and two-moves is almost the same as one-move. I believe Stockfish uses two killers, although my information may be out of date.


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I am looking for an online course to improve. Can anybody speak on this website and course by Jacob Agaard? What is the content like? Pros and cons? Is it suitable for people in their 30s with only a few hours a week to spare and rated in the 1600 to 2000 lichess range?

First of all, my personal relationship with Hans Niemann: I met him at a camp in St Louis in 2019. He was about 2450 and clearly a socially awkward character that had a feeling that all eyes were on him all the time. But he was smart, funny, and likeable. It was a good camp and we had some laughs. At the time he was talking about quitting chess a lot, but it was clear that the issue was he cared so much and had not found a mental position that worked for him.

Some fair points, but connecting cheating online to cheating at homework is a bit of a weak comparison. The ramifications of brushing off online cheating are of course noxious to chess in general; with ever growing prize funds online and new opportunities to promote what is suppose to be the king of games.

In an ideal world, this would be a nice solution for all. But in this one, some people share stuff with friends, when they can, and it ends up everywhere on the internet, meaning the instructors will have spent hours preparing for each class, being paid only for one, but seeing the material having no long term market value.

Losing chess (also known as antichess, the losing game, giveaway chess, suicide chess, killer chess, must-kill, take-all chess, take-me chess, capture chess or losums) is one of the most popular chess variants.[1][2] The objective of each player is to lose all of their pieces or be stalemated, that is, a misre version. In some variations, a player may also win by checkmating or by being checkmated.

Draws by repetition, agreement, or the fifty-move rule work as in standard chess. Positions when neither player can win are also draws: for example, when the only pieces remaining are bishops of opposite colors. (This is similar to the dead position rule in standard chess.)

The origin of the game is unknown, but believed to significantly predate an early version, named take me, played in the 1870s.[3] Because of the popularity of losing chess, several variations have spawned. The most widely played (main variant) is described in Popular Chess Variants by D. B. Pritchard. Losing chess began to gain popularity in the 20th century, which was facilitated by some publications about this variant in the UK, Germany, and Italy.

Losing chess gained a new surge in popularity at the turn of the 20th and 21st centuries as an online game, thanks to the implementation of this variant on FICS in 1996, which greatly contributed to the popularization of losing chess.[4] International tournaments were held in 1998 and 2001.[5][6]

The internet chess server Lichess facilitates play of the game, referring to it as "antichess";[4] after regular chess it is the most popular variant on the site in terms of numbers of games played.[7] Since 2018 the site has hosted an annual "Lichess World Championship" for the variant.[4][8] Chess.com also added this variant to their server, calling it "giveaway."[9]

This main variant of losing chess was weakly solved in October 2016; White is able to force a win beginning with 1.e3.[12] This solution is valid for both FICS and "International" rules on stalemate. Some lines are trivial (1...d6, 1...d5, 1...Na6, and 1...g6 lose in less than 20 moves), others are quite simple (1...Nf6, 1...h6, 1...e5, 1...f5, 1...h5, 1...f6, 1...a6, 1...a5 lose in less than 30 moves, subject to knowledge of the theory[13]), and some are quite complicated (1...Nh6, 1...Nc6, 1...c6, the win in which may require about 60 moves[13]). The most difficult are the following five openings[14] (in order of increasing difficulty): 1.e3 g5 (Wild Boar Defence), 1.e3 e6 (Modern Defence), 1.e3 b5 (Classical Defence), 1.e3 c5 (Polish Defence), and 1.e3 b6 (Liardet Defence).

David Pritchard, the author of The Encyclopedia of Chess Variants, wrote that the "complexity and beauty" of losing chess is found in its endgame. He noted that, in contrast to regular chess, losing chess endgames with just two pieces require considerable skill to play correctly, whereas three- or four-piece endgames can exceed human capacity to solve precisely.[15] For example, the following endgames may turn out to be quite complicated: 2 Knights vs Rook, 3 Kings vs King, or Bishop+Knight+King vs King.[16][17] In the latter case, in particular, a win may require more than 60 moves, which means that it is sometimes unattainable due to the fifty-move rule.

The girl's body was on the ground, with her arms entwined to form an "X". Her legs were crossed as well. In her hand was an object, a black Rook chess piece. When an autopsy was done, it was found that the cause of death was asphyxiation.

The mysterious murders that took place in that city generated many rumors. Many people showed up claiming to be the killer, who was named by the townspeople as "Chesu at Kira" (Chess Killer), but none of them turned out to be the killer.

An empty chessboard may inspire some players with visions of stunning checkmates, intricately choreographed ambushes, strategic feints and traps, elegantly winning responses to a competitor's subterfuge. But one chess player saw a different kind of challenge in the board: each square prescribed a murder he had to carry out, and the rival he sought to beat was none other than the most prolific serial killer in modern history.

Alexander Pichuzkin, 33, is set to go on trial in Moscow for the murder of 51 people. He will almost certainly insist that he killed more. He may even point to the chess diagram he drew in a notebook, each square marked with a date: 61 were filled in, three short of the entire chessboard. The police say they cannot find evidence for that number of bodies dead at Pichuzkin's hands. Many of the grocery-shelf stocker's presumed victims were among Moscow's homeless, lured into a game of chess in a suburban park with glasses of vodka and mournful tales of Pichuzkin's beloved but deceased dog; then they were clubbed on the head with a hammer and tossed into a sewage pit to drown, if they were not dead already.

"I'm a great fan of chess," Pichuzkin told the police as he handed over his diary to the police. Indeed, his neighbors and friends confirm he was good at resolving problems on a chessboard, a talent to boast about of in chess-mad Russia. But he turned into bloodsport what a Nabokov character saw as an existential revelation. In The Defense the novelist wrote of one chess-obsessed character's epiphany: "...he had seen something unbearably awesome, the full horror of the abysmal depths of chess. He glanced at the chessboard and his brain wilted from hitherto unprecedented weariness. But the chessmen were pitiless, they held and absorbed him. There was horror in this, but in this also was the sole harmony, for what else exists in the world besides chess?" With reporting by Yuri Zarakhovich/Moscow

If you want to be a runner, you need to run. If you want to play chess, you need to think...The purpose of Homework Club is to nudge our members to train their thinking skills continuously. It is nota test. The positions are collected for their instructive value and not meant to be equally difficult each week.The purpose of the exercises is to give you a weekly workout and to help you discover new ideas and newapproaches to chess. Hopefully and very likely your decision making will improve drastically over time.

At times there are students who submit exercises that have been checked with engines after the student hassolved them, or maybe without the student solving them at all. Either way, to submit engine supported variationsis a grave breach of trust. It wastes our time and we will not mark such submissions.Engines are a tool. Some romantics will say that chess was more mysterious and interesting before the engines,but the reality is that they exist and will continue to do so. Learning to work with them correctly is important.With Internet chess booming, so is the temptation to use engines during games. A lot of people are ruiningtheir careers in chess by falling for the temptation to use engines during games. It is being widely recognisedthat chess is in a deep existential crisis.For those that love chess and want to improve in the game, it is important to learn to use engines in the rightway and at the right time. That is a whole class in itself. For Homework Club the right time to use an engine isafter you have watched the class.

Aggression is natural in all species, particularly among males, and is, in itself, neither bad nor good but a natural instinct. One reason for promoting chess, along with other competitive activities, it seems to me, might be to provide a positive outlet for aggression. Those who favour physical competition might let their aggression loose on the football field, or, more directly, in the boxing ring, while those who favour mental competition might choose a chessboard instead.

At first the authorities only thought that people were missing, but after they started finding bodies, the police soon realized that murder was the secret behind the disappearances. The whole area was filled with detectives and detectives. But only the killer was not found. be457b7860

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