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R-305 (Vancura)

  Let us now examine positions with the black king imprisoned in the corner g7. Pay attention to the word imprisoned since the threat a7 with the winning backblow of the rook, the black king must not leave the safety area restricted to squares f7-f6-h6-h7. At first sight one can conclude that Black is helpless […]

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P-58

  If the white distant passed pawn were shifted one rank back, a very different position would arise! White wins since after eliminating the black distant passed pawn Black’s king will not be able to control the key-square b7 in time.   For all similar positions a universal rule holds: White always wins provided his […]

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