Perrin, the Secretary of the New York Chess Club, informed those assembled at the First American Chess Congress that he had received a letter from Johann ...

In an official blitz (speed chess) game, touch-move still applies as above, with the addition that if you make an illegal move and then press the clock, y...

Stockfish is better sees tactic. And Komodo is more positional engine. What is the strongest chess supercomputer? 1. Stockfish 13 – Elo 3546. Stockfish is...

10 useful ways to visualize your data (with examples) Indicator. If you need to display one or two numeric values such as a number, gauge or ticker, use t...

In his games against Cochrane Bonnerjee, who was not used to the double-step of the pawns, usually chose set-ups that were familiar to him. Tartakower (im...

Confidence in yourself and being confident in your skills will keep you calm. If you go for a sprint or short walk before a big game, that will clear your...

The Elo rating system is a method for calculating the relative skill levels of players in zero-sum games such as chess. It is named after its creator Arpa...

Each player is dealt five cards, then a round of betting follows. Then each player may discard up to 3 cards (4 if your last card is an ace or wild card, ...

The puzzles system on Lichess has always used exactly the same rating system as games, Glicko2. Every puzzle attempt is a “game” between you and the puzzl...

1) With its solid pawn structure and no weaknesses, the Scheveningen is an ideal choice for those wishing to play from a sound positional basis. 2) The Ke...