MESON Chess Problem Database

Problem Display
PID: 264279 (1n4bK/Q7/8/n7/2k1B3/p3p3/N7/2N5 w - - 0 1)

Kos, Vladimir

Prace, 1954

1n4bK/Q7/8/n7/2k1B3/p3p3/N7/2N5

#3

5 + 6

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Bd3#
    • 1...Sb3
      • 2.Qa4+
        • 2...Kc5
          • 3.Qb4#
    • 1...Sb7
      • 2.Qa4+
        • 2...Kc5
          • 3.Qb4#
  • Tries
    • 1.Qxa5?
      • threat
        • 2.Qb4#
      • 1...Sa6
        • 2.Kxg8
          • threat
            • 3.Qd5#
          • 2...Kd4
            • 3.Qd5#
          • 2...Sb4
            • 3.Qxb4#
          • 2...Sc5
            • 3.Qb4#
          • 2...Sc7
            • 3.Qb4#
        • 2.Bc6
          • threat
            • 3.Qc3#
          • 2...Kd4
            • 3.Qc3#
          • 2...Sb4
            • 3.Qxb4#
      • 1...Sc6
        • 2.Bxc6
          • threat
            • 3.Qc3#
            • 3.Qb4#
          • 2...Kd4
            • 3.Qc3#
      • 1...Kd4!
  • Keys
    • 1.Sb3!
      • threat
        • 2.Qc5+
          • 2...Kxb3
            • 3.Qc2#
      • 1...Kxb3
        • 2.Qb6+
          • 2...Kxa2
            • 3.Qb1#
          • 2...Ka4
            • 3.Sc3#
            • 3.Qb4#
          • 2...Kc4
            • 3.Qb4#
      • 1...Kb5
        • 2.Qc5+
          • 2...Ka4
            • 3.Qb4#
          • 2...Ka6
            • 3.Sb4#
            • 3.Qxa5#
        • 2.Qxa5+
          • 2...Kc4
            • 3.Qb4#
            • 3.Qa4#
      • 1...Sxb3
        • 2.Qa4+
          • 2...Kc5
            • 3.Qb4#
      • 1...Sa6
        • 2.Qd4+
          • 2...Kxb3
            • 3.Sc1#
          • 2...Kb5
            • 3.Sc3#
      • 1...Sd7
        • 2.Sxa5+
          • 2...Kb5
            • 3.Bc6#

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