MESON Chess Problem Database

Problem Display
PID: 255511 (3Nbrr1/6P1/2p2P2/2Q5/6Nn/1p1kB2p/1K1P2pP/7n w - - 0 1)

Raskidnoi, SB

Shakhmaty v SSSR, 1971

3Nbrr1/6P1/2p2P2/2Q5/6Nn/1p1kB2p/1K1P2pP/7n

#4

9 + 10

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Se6!
      • threat
        • 2.Sf4+
          • 2...Ke4
            • 3.d3+
              • 3...Kf3
                • 4.Se5#
      • 1...Ke2
        • 2.Qc4+
          • 2...Kd1
            • 3.Sd4
              • threat
                • 4.Qe2#
                • 4.Qc1#
              • 3...Ke1
                • 4.Qe2#
                • 4.Qc1#
            • 3.Sf4
              • threat
                • 4.Qe2#
                • 4.Qc1#
              • 3...Ke1
                • 4.Qe2#
                • 4.Qc1#
          • 2...Ke1
            • 3.Sd4
              • threat
                • 4.Qe2#
                • 4.Qc1#
              • 3...Kd1
                • 4.Qe2#
                • 4.Qc1#
            • 3.Sf4
              • threat
                • 4.Qe2#
                • 4.Qc1#
              • 3...Kd1
                • 4.Qe2#
                • 4.Qc1#
      • 1...Ke4
        • 2.Qe5+
          • 2...Kd3
            • 3.Sf4+
              • 3...Kc4
                • 4.Qc5#
          • 2...Kf3
            • 3.Sd4+
              • 3...Kxg4
                • 4.Qg5#
      • 1...Rxf6
        • 2.Se5+
          • 2...Ke2
            • 3.Sd4+
              • 3...Kd1
                • 4.Qc1#
              • 3...Ke1
                • 4.Qc1#
              • 3...Kf1
                • 4.Qc1#
          • 2...Ke4
            • 3.d3+
              • 3...Kf5
                • 4.Sd4#
        • 2.Sxf6
          • threat
            • 3.Sf4#
          • 2...Ke2
            • 3.Sd4+
              • 3...Kd1
                • 4.Qc1#
              • 3...Ke1
                • 4.Qc1#
              • 3...Kf1
                • 4.Qc1#
              • 3...Kd3
                • 4.Qc3#
          • 2...Sg6
            • 3.Sd4
              • threat
                • 4.Qc3#
      • 1...Sf2
        • 2.Sxf2+
          • 2...Ke2
            • 3.Sd4+
              • 3...Ke1
                • 4.Qc1#
              • 3...Kf1
                • 4.Qc1#
            • 3.Qc1
              • threat
                • 4.Sd4#
                • 4.Qd1#
              • 3...Kf3
                • 4.Sd4#
                • 4.Qd1#
      • 1...Sg6
        • 2.Qc3+
          • 2...Ke2
            • 3.Sd4+
              • 3...Kd1
                • 4.Qc1#
              • 3...Ke1
                • 4.Qc1#
              • 3...Kf1
                • 4.Qc1#
          • 2...Ke4
            • 3.Sg5+
              • 3...Kd5
                • 4.Qd4#
                • 4.Qd3#
                • 4.Qc5#
              • 3...Kf5
                • 4.Sh6#

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