Chess piece relative value of bishops is stronger than two rooks plus a knight . This situation is very rare. Black is ahead by counting material but in reality white is much better. White's queenside is perfectly defended. White can slowly build up pressure on black's weakened kingside. Black's extra queen has no target. White's dark-squared bishop is stronger than black's passive rook on f8. Principle of the redundancy of major pieces. Neither queen does anything that the other one cannot do. Chess piece relative value In chess, the chess piece relative value system conventionally assigns a point value to each piece when assessing
Shogi notation A piece that promotes is indicated with 成 following the piece's character, such as ７三桂成 (N-73+). If a piece does not promote, this is indicated with 不成 following the piece's character, such as ７三桂不成 (N-73=). There is an alternate symbol for unpromotion: 生 is sometimes used instead of 不成. Unlike western notation, numbering Japanese game records is not obligatory. Although players' moves often aren't numbered, shogi moves are always counted per player's move. This is commonly seen in checkmate problems where a "3-move" ３手 checkmate problem would mean a move sequence of black-white-black. This is unlike western chess which counts