MESON Chess Problem Database

Problem Display
PID: 72621 (5RR1/2p1pN2/p3pk2/2P3p1/N1P2pp1/3p4/1K2bP1b/4n3 w - - 0 1)

Lyapunov, Igor Dmitrevich

Rudenko, Valentin Fedorovich

2nd Prize, Keres MT, 1977

5RR1/2p1pN2/p3pk2/2P3p1/N1P2pp1/3p4/1K2bP1b/4n3

#4

8 + 12

3750 FIDE Album (1977-1979) 1984

SOLUTION

  • SOUND
  • Keys
    • 1.f3!
      • threat
        • 2.Sd8+
          • 2...Ke5
            • 3.Sc6#
      • 1...Bxf3
        • 2.Kc3
          • threat
            • 3.Sd6+
              • 3...Ke5
                • 4.Rxg5#
          • 2...Kf5
            • 3.Sd6+
              • 3...Ke5
                • 4.Rxg5#
          • 2...Be4
            • 3.Sh6+
              • 3...Ke5
                • 4.Sxg4#
      • 1...Sxf3
        • 2.Sc3
          • threat
            • 3.Sd8+
              • 3...Ke5
                • 4.Sc6#
          • 2...Kf5
            • 3.Sd8+
              • 3...Ke5
                • 4.Sc6#
          • 2...Sd4
            • 3.Sh8+
              • 3...Ke5
                • 4.Sg6#
          • 2...Se5
            • 3.Se4+
              • 3...Kf5
                • 4.Sfd6#
          • 2...c6
            • 3.Sd8+
              • 3...Ke5
                • 4.Sxc6#
      • 1...gxf3
        • 2.Sc3
          • threat
            • 3.Sd8+
              • 3...Ke5
                • 4.Sc6#
          • 2...Kf5
            • 3.Rxg5+
              • 3...Kf6
                • 4.Se4#
          • 2...c6
            • 3.Sd8+
              • 3...Ke5
                • 4.Sxc6#

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