MESON Chess Problem Database

Problem Display
PID: 138087 (r7/8/1Q6/8/8/2P2P2/8/1Bk2K2 w - - 0 1)

Chertkov, P

3rd HM., Trud, 1947

r7/8/1Q6/8/8/2P2P2/8/1Bk2K2

#3

5 + 2

14752 Soviet Chess Compositions (1945-1947) 1949
113 Shakhmaty v SSSR 1954

SOLUTION

  • SOUND
  • Sets
    • 1...Kd1
      • 2.Qf2
        • threat
          • 3.Qe1#
          • 3.Qc2#
        • 2...Kc1
          • 3.Qc2#
  • Tries
    • 1.Qf2?
      • threat
        • 2.Qc2#
      • 1...Ra2
        • 2.Qxa2
          • 2...Kd1
            • 3.Qc2#
      • 1...Kxb1!
    • 1.Qb2+?
      • 1...Kd1
        • 2.Qc2#
      • 1...Kxb2!
    • 1.Qb3?
      • threat
        • 2.Qc2#
      • 1...Ra2
        • 2.Qxa2
          • 2...Kd1
            • 3.Qc2#
      • 1...Kd2!
  • Keys
    • 1.Be4!
      • threat
        • 2.Qb1+
          • 2...Kd2
            • 3.Qe1#
      • 1...Kd1
        • 2.Qf2
          • threat
            • 3.Qe1#
            • 3.Qc2#
          • 2...Kc1
            • 3.Qc2#
        • 2.Qe3
          • threat
            • 3.Qe1#
        • 2.Qb1+
          • 2...Kd2
            • 3.Qe1#
      • 1...Kd2
        • 2.Qb2+
          • 2...Kd1
            • 3.Qc2#
          • 2...Ke3
            • 3.Qc1#
      • 1...Ra1
        • 2.Ke1
          • 2...Rb1
            • 3.Qxb1#
          • 2...Ra2
            • 3.Qb1#
          • 2...Ra3
            • 3.Qb1#
          • 2...Ra4
            • 3.Qb1#
          • 2...Ra5
            • 3.Qb1#
          • 2...Ra6
            • 3.Qb1#
          • 2...Ra7
            • 3.Qb1#
          • 2...Ra8
            • 3.Qb1#
      • 1...Rb8
        • 2.Qf2
          • threat
            • 3.Qc2#
          • 2...Kd1
            • 3.Qe1#
            • 3.Qc2#
          • 2...Rb2
            • 3.Qe1#

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