MESON Chess Problem Database

Problem Display
PID: 22798 (kNK3R1/pp1p4/8/3B4/1q6/7b/8/8 w - - 0 1)

Polo, R

Source?, 1921

kNK3R1/pp1p4/8/3B4/1q6/7b/8/8

#3

4 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qe1
      • 2.Bxb7#
    • 1...Qd2
      • 2.Bxb7#
    • 1...Qa3
      • 2.Bxb7#
    • 1...Qa5
      • 2.Bxb7#
    • 1...Qd6
      • 2.Bxb7#
    • 1...Qe7
      • 2.Bxb7#
    • 1...Qa4
      • 2.Bxb7#
    • 1...Qd4
      • 2.Bxb7#
    • 1...Qf4
      • 2.Bxb7#
    • 1...Qg4
      • 2.Bxb7#
    • 1...Qh4
      • 2.Bxb7#
  • Keys
    • 1.Sa6!
      • threat
        • 2.Sc7#
      • 1...Qc3+
        • 2.Sc7+
          • 2...Qxc7+
            • 3.Kxc7#
      • 1...Qc5+
        • 2.Sc7+
          • 2...Qxc7+
            • 3.Kxc7#
      • 1...Qf8+
        • 2.Kc7
          • threat
            • 3.Bxb7#
            • 3.Rxf8#
          • 2...Qb8+
            • 3.Rxb8#
          • 2...Qc8+
            • 3.Rxc8#
          • 2...Qd8+
            • 3.Rxd8#
      • 1...Qc4+
        • 2.Sc7+
          • 2...Qxc7+
            • 3.Kxc7#
      • 1...d6+
        • 2.Kc7+
          • 2...Bc8
            • 3.Rxc8#
      • 1...Qb6
        • 2.Sc7+
          • 2...Qxc7+
            • 3.Kxc7#

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