MESON Chess Problem Database

Problem Display
PID: 278193 (7n/1p2Q1p1/PP1p2p1/2pkN1PB/8/3pP3/1P3N1n/K7 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

Phenix, 2007

7n/1p2Q1p1/PP1p2p1/2pkN1PB/8/3pP3/1P3N1n/K7

#4

10 + 9

SOLUTION

  • SOUND
  • Keys
    • 1.Bd1!
      • threat
        • 2.Sd7
          • threat
            • 3.Qe4#
          • 2...Kc4
            • 3.Qe4+
              • 3...Kb5
                • 4.Qa4#
          • 2...Kc6
            • 3.Ba4+
              • 3...Kd5
                • 4.Qe4#
      • 1...dxe5
        • 2.Qd7+
          • 2...Kc4
            • 3.e4
              • threat
                • 4.Qa4#
              • 3...Kb4
                • 4.Qa4#
      • 1...bxa6
        • 2.Ba4
          • threat
            • 3.Bc6#
          • 2...dxe5
            • 3.Qb7+
              • 3...Kc4
                • 4.Qe4#
              • 3...Kd6
                • 4.Qd7#
              • 3...Ke6
                • 4.Qd7#
          • 2...c4
            • 3.Sd7
              • threat
                • 4.Qe4#
      • 1...c4
        • 2.Sd7
          • threat
            • 3.Qe4#
          • 2...Kc6
            • 3.Ba4+
              • 3...Kd5
                • 4.Qe4#
      • 1...Sf7
        • 2.Qxf7+
          • 2...Kxe5
            • 3.Qxg6
              • threat
                • 4.Qe4#
              • 3...Kd5
                • 4.Qe4#
              • 3...d5
                • 4.Sxd3#

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