advance a pawn
41Ko shogi — Kō shōgi (廣将棋 or 廣象棋 wide (elephant) chess ) is a large board variant of shogi, or Japanese chess. The game dates back to the turn of the 18th century and is based on xiangqi and go as well as shogi. Credit for its invention has been given to… …
42Chess endgame — In chess and chess like games, the endgame (or end game or ending) is the stage of the game when there are few pieces left on the board. The line between middlegame and endgame is often not clear, and may occur gradually or with the quick… …
43Stalemate — Example of stalemate a b c d e f g h …
44Draw by agreement — In chess, a draw by (mutual) agreement is the outcome of a game due to the agreement of both players to a draw. A player may offer a draw to his opponent at any stage of a game; if the opponent accepts, the game is a draw. The relevant portion of …
45Sicilian Defence, Dragon Variation — a b c d e …
46Blunder (chess) — In chess, a blunder is a very bad move. It is usually caused by some tactical oversight, whether from time trouble, overconfidence or carelessness. While a blunder may seem like a stroke of luck for the opposing player, some chess players give… …
47Rules of chess — The rules of chess (also known as the laws of chess) are rules governing the play of the game of chess. While the exact origins of chess are unclear, modern rules first took form during the Middle Ages. The rules c …
48Chess960 — a b c d e f g h …
49Checkmate pattern — checkmate A checkmate pattern is a pattern of checkmate that occurs fairly frequently in chess. The diagrams that follow show the checkmates with White checkmating Black …
50Castling — …
