MESON Chess Problem Database

Problem Display
PID: 248558 (8/8/6P1/8/Q5P1/4P2N/3K2pp/7k w - - 0 1)

Kalinin, Aleksandr Konstantinovich

3rd HM., Magyar Sakkelet, 1960

8/8/6P1/8/Q5P1/4P2N/3K2pp/7k

#4

6 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Sf4!
      • threat
        • 2.Qc6
          • 2...Kg1
            • 3.Qxg2#
        • 2.Qe4
          • 2...Kg1
            • 3.Qxg2#
        • 2.Qa8
          • 2...Kg1
            • 3.Qxg2#
      • 1...Kg1
        • 2.Qa8
          • threat
            • 3.Qxg2#
          • 2...h1Q
            • 3.Se2+
              • 3...Kf1
                • 4.Qf3#
                • 4.Qf8#
              • 3...Kf2
                • 4.Qf8#
              • 3...Kh2
                • 4.Qh8#
          • 2...h1B
            • 3.Se2+
              • 3...Kf1
                • 4.Qf3#
                • 4.Qf8#
              • 3...Kf2
                • 4.Qf8#
              • 3...Kh2
                • 4.Qh8#
      • 1...g1S
        • 2.Qc6+
          • 2...Sf3+
            • 3.Qxf3+
              • 3...Kg1
                • 4.Se2#
                • 4.Sh3#
                • 4.Qg2#
        • 2.Qe4+
          • 2...Sf3+
            • 3.Qxf3+
              • 3...Kg1
                • 4.Se2#
                • 4.Sh3#
                • 4.Qg2#
        • 2.Qa8+
          • 2...Sf3+
            • 3.Qxf3+
              • 3...Kg1
                • 4.Se2#
                • 4.Sh3#
                • 4.Qg2#

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