MESON Chess Problem Database

Problem Display
PID: 85961 (bN3B2/5P2/1P6/8/k7/8/1K2P3/8 w - - 0 1)

Speckmann, Werner

Pat a Mat, 1990

bN3B2/5P2/1P6/8/k7/8/1K2P3/8

#4

6 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.b7!
      • threat
        • 2.bxa8Q+
          • 2...Kb5
            • 3.Qa6#
      • 1...Ka5
        • 2.bxa8Q+
          • 2...Kb6
            • 3.Bd6
              • 3...Kb5
                • 4.Qa6#
      • 1...Kb5
        • 2.bxa8Q
          • threat
            • 3.Qa6#
          • 2...Kc4
            • 3.Qe4+
              • 3...Kb5
                • 4.Qb4#
          • 2...Kb6
            • 3.Bd6
              • 3...Kb5
                • 4.Qa6#
      • 1...Bxb7
        • 2.Ba3
          • threat
            • 3.f8Q
              • threat
                • 4.Qb4#
              • 3...Ka5
                • 4.Qb4#
              • 3...Kb5
                • 4.Qb4#
          • 2...Ka5
            • 3.f8Q
              • threat
                • 4.Qb4#
              • 3...Ka4
                • 4.Qb4#
              • 3...Kb5
                • 4.Qb4#
              • 3...Kb6
                • 4.Qc5#
          • 2...Kb5
            • 3.f8Q
              • threat
                • 4.Qb4#
              • 3...Ka4
                • 4.Qb4#
              • 3...Kc4
                • 4.Qc5#
              • 3...Ka5
                • 4.Qb4#
              • 3...Kb6
                • 4.Qc5#

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