MESON Chess Problem Database

Problem Display
PID: 71748 (2Q2K2/1pN3p1/2pB4/1r2P1p1/Nr3kp1/3R4/4PP2/q4nn1 w - - 0 1)

Rudenko, Valentin Fedorovich

1st Prize, Buletin Problemistic, 1975

2Q2K2/1pN3p1/2pB4/1r2P1p1/Nr3kp1/3R4/4PP2/q4nn1

#4

9 + 11

3771 FIDE Album (1974-1976) 1980

SOLUTION

  • SOUND
  • Keys
    • 1.Qd7!
      • threat
        • 2.Se6+
          • 2...Ke4
            • 3.Sec5+
              • 3...Kf4
                • 4.Qf7#
              • 3...Rxc5
                • 4.Qxg4#
          • 2...Kf5
            • 3.Qf7+
              • 3...Ke4
                • 4.Sxg5#
                • 4.Qg6#
        • 2.Qf7+
          • 2...Ke4
            • 3.Qg6+
              • 3...Kf4
                • 4.Se6#
      • 1...Qxe5
        • 2.Rd4+
          • 2...Rxd4
            • 3.Qf7+
              • 3...Ke4
                • 4.Sc3#
      • 1...Rxe5
        • 2.Sd5+
          • 2...cxd5
            • 3.Qf7+
              • 3...Ke4
                • 4.Sc5#
      • 1...Qa2
        • 2.e6+
          • 2...Ke4
            • 3.Sc3+
              • 3...Kf5
                • 4.Qf7#
          • 2...Kf5
            • 3.Qf7+
              • 3...Ke4
                • 4.Sc3#
          • 2...Re5
            • 3.Qf7+
              • 3...Ke4
                • 4.Sc3#
      • 1...Se3
        • 2.Rxe3
          • threat
            • 3.Qf7#
          • 2...Qb1
            • 3.Se6+
              • 3...Kf5
                • 4.Qf7#
            • 3.Qf7+
              • 3...Qf5
                • 4.Se6#
          • 2...Qa2
            • 3.e6+
              • 3...Kf5
                • 4.Qf7#
              • 3...Re5
                • 4.Qf7#
          • 2...g3
            • 3.Rxg3
              • threat
                • 4.Rg4#
                • 4.Qg4#
              • 3...Ke4
                • 4.Rg4#
                • 4.Qg4#
              • 3...g4
                • 4.Rxg4#
                • 4.Qxg4#
      • 1...Sh3
        • 2.Qf7+
          • 2...Ke4
            • 3.Qg6+
              • 3...Kf4
                • 4.Se6#
            • 3.f3+
              • 3...gxf3
                • 4.Qxf3#
      • 1...g3
        • 2.f3
          • threat
            • 3.Qg4#
            • 3.Qf7#
          • 2...Sxf3
            • 3.Rxf3+
              • 3...Ke4
                • 4.Qg4#
          • 2...Se3
            • 3.Se6+
              • 3...Kf5
                • 4.Qf7#
            • 3.Qf7+
              • 3...Sf5
                • 4.Se6#
      • 1...g6
        • 2.Se6+
          • 2...Ke4
            • 3.Sec5+
              • 3...Kf4
                • 4.Qf7#
              • 3...Rxc5
                • 4.Qxg4#
          • 2...Kf5
            • 3.Sec5+
              • 3...Kf4
                • 4.Qf7#
            • 3.Qf7+
              • 3...Ke4
                • 4.Sxg5#
                • 4.Qxg6#
        • 2.Qf7+
          • 2...Ke4
            • 3.Qxg6+
              • 3...Kf4
                • 4.Se6#

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