What is illegal no. 1 in chess?

There isn't one single "illegal no. 1," but the most fundamental illegal move in chess is leaving your own king in check (or moving it into check), as the king must always be protected; other major illegalities include moving a piece in a way it's not allowed (like a knight on a straight line) or failing to address an opponent's check. Making an illegal move usually results in penalties, often a time penalty for the opponent and a chance to correct the move, though repeated offenses can lead to a loss of the game.
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Is there a 13 move stalemate?

There is no such rule. If there were, delivering mate with king, bishop and knight against king would not be possible in most cases, since it usually takes more than 13 moves. Who are the masters that told you such a rule exists? You have to claim the draw by pressing the draw button.
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What are three illegal moves in chess?

An illegal move is any move that violates the Laws of Chess—e.g., moving a piece in a way it cannot move, castling through/into check, leaving your king in check, promoting a pawn incorrectly, pressing the clock without making a move, or using two hands for a single move (such as castling or promotion).
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What is the stupidest rule in chess?

The "stupidest" rule in chess, according to many players, is stalemate, where a player with no legal moves, but not in check, results in an immediate draw, often snatching victory from a dominant player by accident, which feels anticlimactic and counterintuitive to winning. Other debated rules include the knight's L-shape move and the inability to move the king next to the opponent's king, though these serve purposes for balance and strategy.
 
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What is the rarest win in chess?

The "rarest move" was a tie between a Doubly Disambiguated Capture Checkmate and a Doubly Disambiguated Knight Capture Checkmate for a grand total of absolutely none.
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Leela's Brilliant Strategic Idea in the Semi-Slav

What is the Z word in chess?

Zugzwang is a German term that means "a compulsion to move." The idea behind this term is that in certain positions, it would be beneficial for a player to skip their turn because moving any piece would result in an advantage for their opponent.
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What is the stupidest chess opening?

The "worst" chess opening is subjective but generally refers to moves that severely weaken your king, neglect the center, or hinder development, with the Barnes Opening (1.f3) and Grob's Attack (1.g4) often cited as top contenders for White, while Black's Damiano Defense (1...f6) is notoriously poor due to immediate tactical problems. Other contenders for bad openings include the Ware (1.a4) and Amar (1.Nh3) openings, as they waste time and create weaknesses. 
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Who is world's no. 1 in chess?

The world's No. 1 chess player is Magnus Carlsen, a Norwegian Grandmaster who has held the top spot in FIDE rankings for over a decade, widely considered the greatest player ever, achieving the highest rating in history (2882) and winning multiple World Championships across formats. As of early January 2026, his classical rating is around 2840.
 
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What is the 3 repeat rule in chess?

In chess, the threefold repetition rule allows a player to claim a draw if the exact same board position occurs three times, with the same player to move each time (castle/en passant rights must also match). This prevents endless loops, doesn't require consecutive moves, and must be claimed by a player, though online platforms often automate it.
 
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What are the three golden rules of chess?

1) Play position first, and look out for tactics. Not the other way around. 2) In a cluttered board, prioritize knights over bishops, and in open games do the opposite. 3) Always keep an eye out for the fried liver.
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Is 90% accuracy cheating in chess?

90+ is suspicious I'd say, and 95+ is almost certainly cheating.
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What is the 20-40-40 rule in chess?

The 20-40-40 rule in chess is a suggestion for how to divide your study time if you are a beginner or an intermediate player. It means that you should spend 20% of your time learning the opening, 40% of your time practicing the middlegame, and 40% of your time studying the endgame.
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What is the 75 move rule in chess?

The 75-move rule in chess is a mandatory rule where an arbiter declares a draw if 75 consecutive moves occur without a pawn move or capture, even if players don't claim it, reinforcing the optional 50-move rule and preventing endless games in drawn positions. It ensures that if players ignore the 50-move claim (where a player can claim a draw after 50 moves), the game ends automatically after 75 moves without progress, unless the 75th move is a checkmate.
 
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Is it a draw if there is only a king?

Yes, if only a king is left on the board for one or both players, the game is a draw due to insufficient material, meaning there's no way to force a checkmate, though it can also end in a stalemate (a draw from no legal moves, not in check) or other draw conditions like repetition. A lone king against another king (bare king vs. bare king) is an automatic draw; a king with just a knight or bishop against a bare king is also a draw. 
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What is the 50 move rule in chess?

The 50-move rule in chess allows a player to claim a draw if no pawn has been moved and no piece has been captured in the last 50 consecutive moves (100 ply) by either player, preventing endless games in drawn positions by forcing progress or ending them. If players don't claim the draw and 75 moves pass without pawn moves or captures, an arbiter can declare it an automatic draw, while online platforms often enforce it automatically after 50 moves. 
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What is the average chess grandmaster salary?

While ZipRecruiter is seeing annual salaries as high as $151,500 and as low as $43,500, the majority of Chess Grandmaster salaries currently range between $117,000 (25th percentile) to $141,000 (75th percentile) with top earners (90th percentile) making $148,000 annually across the United States.
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Who is the best chess player ever?

There's no single "best ever," but the debate usually centers on Garry Kasparov, Magnus Carlsen, and Bobby Fischer, with Kasparov often cited for longevity and dominance, Carlsen for peak rating and modern versatility, and Fischer for his unparalleled peak and revolutionary impact. Kasparov held #1 for a record time, Carlsen has the highest peak Elo, and Fischer achieved near-unbeatable dominance in his era, making each a strong contender for the title. 
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What is a 'gambit' in chess?

A gambit happens in chess when a player gives up material during the opening to seek some kind of compensation. Most gambits require the sacrifice of one or more pawns, while a few of them involve sacrificing more valuable pieces. The Queen's Gambit offers a pawn on move two.
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What is the rarest rule in chess?

The Rules of En Passant
  • A pawn advances two squares from its original position, landing beside an opponent's pawn.
  • The opponent's pawn must be on its fifth rank.
  • The en passant capture must occur immediately after the adjacent pawn makes the initial two-square move; it cannot be delayed and used on subsequent turns.
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What does "what ?!" mean in chess?

(Dubious move / Inaccuracy) A question mark followed by an exclamation mark "?!" usually indicates that the annotator believes the move to be dubious or questionable but to possibly have merits or be difficult to refute.
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Why is chess banned?

Chess was banned in Iran after the 1979 Islamic Revolution. Said to encourage gambling, the public play of chess was pronounced haraam, a reprehensible activity encouraging gambling, excess, warmongering, and inattention to the five ritual prayers.
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What is the biggest mistake in chess?

What Is The Biggest Blunder In Chess History? There are many candidates for the worst chess blunder of all time, but given what was at stake, the blunder committed by Mikhail Chigorin against Wilhelm Steinitz in the 23rd game of the 1892 World Chess Championship is our pick for the worst of all time.
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What is a cursed win in chess?

A "cursed win" in chess usually refers to a theoretically winning position for one player that becomes a draw due to the 50-move rule, where neither side has captured a piece or moved a pawn in 50 consecutive moves, making a forced mate impossible within the rules. It's a "blessed loss" for the defender who gets a draw from a lost position, and frustrating for the attacker who has the win but can't execute it, often seen in complex endgames with many pieces. It can also refer to specific traps or variants like "Cursed Chess" with reversed rules.
 
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