Yes, a chess game can easily last 5 hours, especially in classical tournament formats where players have several hours each for the entire game, often with time controls like 90 minutes for the first 40 moves plus an increment, leading to long, strategic battles that can easily exceed 4 or 5 hours. These marathon sessions test endurance and deep calculation, with World Championship games frequently reaching this duration.
Photo: Horace Cheshire/public domain. For much of the 20th century, a classical game would usually give each player two hours to make 40 moves, and more time after 40. In 2023, players rarely get more than 90 minutes each for the first 40 moves.
90% accuracy in chess can be a sign of cheating, especially in long, complex games for lower-rated players, but it's not definitive proof, as simple games with big blunders or strong human play can also yield high scores; instead, look for consistent high accuracy (90%+) alongside perfect engine moves, unusual time usage, or unexplained rating jumps, as the Computer Aggregated Precision Score (CAPS) is meant as a performance tool, not a cheat detector, though patterns of high scores often trigger moderator review.
The longest possible chess game is 8848.5 moves long. The number of possible chess games is at least 1029241 according to a Monte Carlo simulation, and at most 1034082 according to a calculation.
The 80/20 rule (Pareto Principle) in chess means 80% of your results come from 20% of your efforts, so you should focus on high-impact areas for maximum improvement, like mastering tactics, core endgames, and essential openings, rather than trying to learn everything. Key focus areas often cited include tactics (pins, forks), fundamental endgames (like king and pawn), basic opening principles (center control, development), and analyzing your own games to find recurring mistakes.
The rule most frequently called the "stupidest" in chess is stalemate, where a player with no legal moves (but not in check) results in a draw, frustrating those who feel it rewards a defending player who's been outplayed and defeats the goal of checkmate. However, proponents argue it demands endgame precision, adds tension, and is a crucial tactical theme that prevents endless games, with many players agreeing it should remain a draw because the defender made no mistake in creating the situation.
Yes, chess players generally have above-average intelligence, and high IQ correlates with chess skill, especially at lower levels, but top players' skills rely more on specialized abilities like spatial reasoning, pattern recognition, and intense training than just raw IQ, with some elite players having average or even lower-than-expected scores, showing chess prowess is a mix of cognitive gifts and hard work.
The world's No. 1 chess player is Magnus Carlsen, the Norwegian Grandmaster, who consistently holds the top spot in classical chess rankings with a peak rating unmatched in history, leading a field that includes Hikaru Nakamura and Fabiano Caruana. Carlsen, a five-time World Champion, has been the highest-rated player since 2011 and holds the record for the highest peak rating (2882) and longest unbeaten streak in classical chess.
However, after deeper analysis, Stockfish corrected itself and recognized that move as the best one, confirming that Nezhmetdinov played this game with a remarkable 100% accuracy. Nezhmetdinov complicated the game with his attacks. After black's 12th move, 12…Rd8, there is just one winning move for white.
The World Record for longest continuous game between masters was between Ivan Nikolic and Goran Arsovic in Belgrade, Yugoslavia, on February 17, 1989 which lasted 269 moves and took 20 hours and 15 minutes!
In chess platforms like Chess.com, the 🚫 symbol (a red circle with a diagonal line through it) typically indicates a user account has been closed for violating fair play rules, most commonly cheating with computer assistance, though it can sometimes signify other severe infractions or account termination for reasons like abuse. Hovering over the symbol on a profile often reveals details like "Closed: Fair Play".
Chess isn't ending — it's becoming something bigger than we imagined. It's carrying the heart of the game into a new era while shaping how we play, connect, and think about it.
Abnormal Accuracy
One of the most obvious indicators of cheating is a player's unnaturally high level of accuracy. It is not uncommon for skilled players to make accurate moves. However, consistently making moves that perfectly align with the computer's top choices is highly suspicious.
Quit when it is no longer fun. Skill level has nothing to do with it. If you don't enjoy chess as a beginner, you won't suddenly like it more once you get better. (I actually think I enjoyed chess more when I was a weaker player; when you don't know much and can barely see 1 move ahead, every game is an adventure.
Sudden death
This is the simplest methodology. Each player is assigned a fixed amount of time for the whole game. If a player's main time expires, they generally lose the game.
Bullet chess refers to games played with time controls that are faster than 3 minutes per player. The most popular forms of bullet chess are 1|0 (one minute with no increment per player) or 2|1 (two minutes with a one-second increment per player).
Chess is a game of pure skill, strategy and intelligence. Ideally, every move is the product of careful calculation. Unlike many other games, chess doesn't rely on random elements like dice rolls or shuffled cards.
Here is an (estimated) list of IQ scores of famous chess players:
No human has ever reached a 3000 Elo rating in official FIDE classical chess; the highest achieved is Magnus Carlsen's 2882 in 2014, but some prodigies and strong players have hit 3000 or more in online rapid/blitz or puzzle ratings, like Faustino Oro, while top chess engines far exceed this. Reaching 3000 in classical chess is considered extremely difficult due to rating inflation and the sheer gap above current top players.
Tactical skills in chess, which require fast calculation, are maximized at this age. This is supported by the fact that grandmasters usually reach their ELO peaks between the ages of 25–35 (The average age at which 1319 GMs over the age of 35 reached their highest ELO is 33.11.
His score of 28 wins, 6 draws and 8 losses left him three points ahead of Anand, who finished in second place.
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.
Elon Musk famously tweeted that chess is a "simple game," understandable when played with "squirrels and rocks," but now made trivial by computers, preferring games like Polytopia for their added complexity (no fog of war, tech trees, etc.). He believes chess is too simple because of its perfect information, lack of randomness, and identical starting pieces, contrasting it with the dynamic, evolving challenges in games he finds more engaging, showing his preference for strategy games with more variables than the traditional 8x8 board.
Albert Einstein was a good friend of World Chess Champion Emanuel Lasker. In an interview with the New York Times in 1936 Albert said, “I do not play any games. There is no time for it. When I get through work I don't want anything which requires the working of the mind.” He did take up Chess in his later life.