Problem Display
PID: 183773 (5B2/5pK1/1bRQP1P1/r1pppp2/1p2k3/1N3b1N/1PP2Pn1/3Bn1R1 w - - 0 1)

Bourd, Evgeny

Grinblat, Arieh

4th Prize, Fokin-90 JT, 2015

5B2/5pK1/1bRQP1P1/r1pppp2/1p2k3/1N3b1N/1PP2Pn1/3Bn1R1

#4

13 + 12


56 The Problemist 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Be2!
      • threat
        • 2.Qxd5+
          • 2...Kxd5
            • 3.Rd6+
              • 3...Ke4
                • 4.Sd2#
      • 1...Bxe2
        • 2.Sd2+
          • 2...Kd4
            • 3.Qxd5+
              • 3...Kxd5
                • 4.Rd6#
      • 1...Sxc2
        • 2.Sd2+
          • 2...Kd4
            • 3.Sxf3+
              • 3...Ke4
                • 4.Qxe5#
        • 2.Qxd5+
          • 2...Kxd5
            • 3.Rd6+
              • 3...Ke4
                • 4.Sd2#
                • 4.Bd3#
        • 2.Rd1
          • threat
            • 3.Bd3#
            • 3.Qxd5#
          • 2...c4
            • 3.Sd2+
              • 3...Kd4
                • 4.Rxc4#
            • 3.Rd4+
              • 3...Bxd4
                • 4.Sd2#
              • 3...Sxd4
                • 4.Sd2#
              • 3...exd4
                • 4.Sd2#
                • 4.Sg5#
            • 3.Rxc4+
              • 3...Bd4
                • 4.Sd2#
                • 4.Bd3#
              • 3...Sd4
                • 4.Sd2#
                • 4.Bd3#
              • 3...dxc4
                • 4.Sd2#
              • 3...d4
                • 4.Sd2#
                • 4.Bd3#
      • 1...fxe6
        • 2.Qxe5+
          • 2...Kxe5
            • 3.Bd6+
              • 3...Ke4
                • 4.Sg5#
      • 1...f4
        • 2.Kf6
          • threat
            • 3.Sg5#
            • 3.Qxe5#
          • 2...Bd8+
            • 3.Qxd8
              • threat
                • 4.Sg5#
      • 1...Bc7
        • 2.Sd2+
          • 2...Kd4
            • 3.Qxc5+
              • 3...Rxc5
                • 4.Bxc5#
      • 1...Se3
        • 2.Sg5+
          • 2...Kf4
            • 3.Qxe5+
              • 3...Kxe5
                • 4.Bd6#

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