an adjournment of a London league game at the same time, versus David Okike; the last week of October 1991. After resumption it quickly resolved itself into the same pawnless ending. That game, too, was drawn. Rook and a bishop versus two knights: this is usually a win for the rook and bishop but it takes up to 223 moves. The result of this endgame was unknown until computer analysis proved the forced win. Rook and a knight versus two knights: this is usually a draw, but there are some wins for the rook and knight that take up to 243 moves. Rook and a knight versus a bishop and knight: this is usually a draw, but there are some wins for the rook and knight that take up to 190 moves. Rook and a bishop versus a bishop and knight: this is usually a draw if the bishops are on the same color. It is usually a win for the rook and bishop if the bishops are on opposite colors, but wins take up to ninety-eight moves. Magnus Carlsen successfully converted this configuration with opposite-coloured bishops within the 50-move limit against Francisco Vallejo Pons in 2019. Even with best play from the starting RB v BN position, the stronger side would have won a piece well within 50 moves. Rook and a bishop versus two bishops: this is usually a draw, but there are some long wins if the defending bishops are on the same color. Rook and a knight versus two bishops: this is usually a draw if the defending bishops are on opposite colors. It is a win if the defending bishops are on the same color, but it can take up to 140 moves. Rook versus two minor pieces: this is normally a draw. Two rooks versus three minor pieces: this is normally a draw. Rook and two minor pieces versus a rook: a win for the three pieces. With two knights, White must not exchange rooks and avoid losing a knight, but the three pieces have great checkmating power. Rook and two minor pieces versus rook and one minor piece: a win for the three pieces, see § Examples with an extra minor piece below. Two rooks and a minor piece versus two rooks: a win if the minor piece is a bishop. Normally a draw if the minor piece is a knight, but some