MESON Chess Problem Database

Problem Display
PID: 20170 (1k5K/2R4p/8/3N2p1/8/Rpp5/1r5r/5B2 w - - 0 1)

Prevorovsky, Emil

Sach, 1942

1k5K/2R4p/8/3N2p1/8/Rpp5/1r5r/5B2

#4

5 + 7

SOLUTION

  • COOKED
  • Keys
    • 1.Bg2!
      • threat
        • 2.Ra8+
          • 2...Kxa8
            • 3.Sb6+
              • 3...Kb8
                • 4.Rb7#
      • 1...Rbxg2
        • 2.Rxb3+
          • 2...Ka8
            • 3.Rcb7
              • threat
                • 4.Sc7#
      • 1...Rhxg2
        • 2.Raa7
          • threat
            • 3.Rab7+
              • 3...Ka8
                • 4.Sb6#
            • 3.Sb4
              • threat
                • 4.Sa6#
                • 4.Sc6#
            • 3.Sb6
              • threat
                • 4.Sd7#
                • 4.Rab7#
                • 4.Rcb7#
            • 3.Se7
              • threat
                • 4.Sc6#
                • 4.Rcb7#
      • 1...Ra2
        • 2.Rxb3+
          • 2...Ka8
            • 3.Sb6+
              • 3...Kb8
                • 4.Sa8#
                • 4.Rb7#
            • 3.Rcb7
              • threat
                • 4.Sb6#
                • 4.Sc7#
    • 1.Raa7!
      • threat
        • 2.Rab7+
          • 2...Ka8
            • 3.Sb6#
        • 2.Sb6
          • threat
            • 3.Sd7#
            • 3.Rab7#
            • 3.Rcb7#
        • 2.Se7
          • threat
            • 3.Sc6#
            • 3.Rcb7#
      • 1...Rh6
        • 2.Rcb7+
          • 2...Kc8
            • 3.Se7+
              • 3...Kd8
                • 4.Ra8#
                • 4.Rb8#

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