MESON Chess Problem Database

Problem Display
PID: 253450 (3NN3/1K1Pn1rp/8/2p2PpP/p2k1prq/5Qb1/4P3/8 w - - 0 1)

Reitsen, Evgen Oleksandrovich

3rd Place, USSR Championship, 1968

3NN3/1K1Pn1rp/8/2p2PpP/p2k1prq/5Qb1/4P3/8

#4

8 + 11

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Sf6!
      • threat
        • 2.Qd3+
          • 2...Ke5
            • 3.Qe4+
              • 3...Kd6
                • 4.Qe6#
              • 3...Kxf6
                • 4.Qe6#
      • 1...Kc4
        • 2.Qd3+
          • 2...Kb4
            • 3.Sd5+
              • 3...Ka5
                • 4.Qa6#
              • 3...Sxd5
                • 4.Sc6#
      • 1...Qh1
        • 2.Sc6+
          • 2...Sxc6
            • 3.Qd3+
              • 3...Ke5
                • 4.Sxg4#
      • 1...Rg6
        • 2.Qd3+
          • 2...Ke5
            • 3.Qd6+
              • 3...Kxf5
                • 4.Qe6#
              • 3...Kxd6
                • 4.Sf7#
      • 1...Rf7
        • 2.Qd3+
          • 2...Ke5
            • 3.Qd6+
              • 3...Kxf5
                • 4.Qe6#
              • 3...Kxd6
                • 4.Sxf7#
      • 1...Rg8
        • 2.Qd3+
          • 2...Ke5
            • 3.Qd6+
              • 3...Kxf5
                • 4.Qe6#
              • 3...Kxd6
                • 4.Sf7#
      • 1...c4
        • 2.Se6+
          • 2...Ke5
            • 3.Qc3+
              • 3...Kxf5
                • 4.Sxg7#
              • 3...Kd6
                • 4.d8Q#
                • 4.d8R#

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