R-406

  In case of the passive white rook, mate motifs are not the only source from which Black draws hidden saving possibilities. Perpetual check motifs combined with tying the enemy rook to defend the pawns appear much more often in tournament practice. This happens in situations where the white rook is awkwardly placed in front […]

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RMP-589

  The rook and pawn usually draw easily against the rook and the bishop. Only positions in which the black king is in an unenviable position and when the pawn interferes with his own pieces in achieving a theoretical draw position, are critical. When Black has or can achieve one of the basic draw positions, […]

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RMP-531

  The winning chances are higher when, in a similar position, the knight defends the pawn from behind because there is a possibility of its sacrifice to enable the pawn promotion. If the pawn has not moved too far, then Black again easily draws with a simultaneous attack with his king on the enemy pawn […]

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RMP-398

  When, in a similar position, the black pawn is in the starting position, it is crucial whether the king and the bishop cover the surrounding squares in the right way. The next position, which emerged in the game Bolbochan-Maderna, Mar del Plata in 1949, has two significant  shortcomings compared to example 391.

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