MESON Chess Problem Database

Problem Display
PID: 174477 (4b3/1qP3PK/2PQ2pn/2Np2p1/r2k2r1/P4p1R/1P1P1p2/3NbB2 w - - 0 1)

Evans, Wilfred Colin

6th Prize, The Problemist, 1967

4b3/1qP3PK/2PQ2pn/2Np2p1/r2k2r1/P4p1R/1P1P1p2/3NbB2

#3

12 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qa8
      • 2.Se3
        • threat
          • 3.Sc2#
          • 3.Qxd5#
      • 2.d3
        • threat
          • 3.Sb3#
          • 3.Se6#
    • 1...Qa7
      • 2.d3
        • threat
          • 3.Sb3#
          • 3.Se6#
        • 2...Qxc5
          • 3.Qf6#
    • 1...Rb4
      • 2.Se3
        • threat
          • 3.Sc2#
          • 3.Qxd5#
    • 1...Sf5
      • 2.Se6+
        • 2...Ke4
          • 3.Sc3#
          • 3.d3#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Se6#
        • 2.Qxd5#
      • 1...Bxd2
        • 2.Qxd5+
          • 2...Ke3
            • 3.Rxf3#
      • 1...Bf7!
    • 1.Se3?
      • threat
        • 2.Sc2#
        • 2.Qxd5#
      • 1...Qxc6
        • 2.Sc2#
      • 1...Qxb2
        • 2.Qxd5#
      • 1...Bxd2
        • 2.Sc2#
      • 1...Bxc6
        • 2.Sc2#
      • 1...Rc4
        • 2.Qxd5#
      • 1...Bf7
        • 2.Sc2#
      • 1...Qb3!
    • 1.Sb3+?
      • 1...Ke4
        • 2.d3+
          • 2...Kf5
            • 3.Se3#
      • 1...Qxb3!
    • 1.Sd7?
      • threat
        • 2.Qe5#
      • 1...Qxc7
        • 2.Qf6+
          • 2...Ke4
            • 3.Sc3#
            • 3.Sc5#
            • 3.d3#
          • 2...Qe5
            • 3.Qxe5#
      • 1...Sf7
        • 2.Qf6+
          • 2...Ke4
            • 3.Sc3#
            • 3.Sc5#
            • 3.d3#
          • 2...Se5
            • 3.Qxe5#
      • 1...Bxd7!
  • Keys
    • 1.Rxf3!
      • threat
        • 2.Rd3+
          • 2...Kc4
            • 3.Rxd5#
      • 1...Rxa3
        • 2.Rc3
          • threat
            • 3.Rc4#
            • 3.Qf6#
          • 2...Rxc3
            • 3.bxc3#
      • 1...Bxd2
        • 2.Rd3+
          • 2...Kc4
            • 3.Rxd2#
            • 3.Rxd5#
      • 1...Qa6
        • 2.Sc3
          • threat
            • 3.Sb3#
            • 3.Se6#
            • 3.Qxd5#
      • 1...Qb3
        • 2.Sc3
          • threat
            • 3.Sxb3#
            • 3.Se6#
          • 2...Qxc3
            • 3.bxc3#
      • 1...Qb5
        • 2.Sc3
          • threat
            • 3.Sxb5#
            • 3.Se6#
            • 3.Qxd5#
          • 2...Qxc5
            • 3.Qf6#
      • 1...Rg1
        • 2.Re3
          • threat
            • 3.Se6#
            • 3.Re4#
      • 1...Rg3
        • 2.Re3
          • threat
            • 3.Se6#
            • 3.Re4#
          • 2...Rxe3
            • 3.dxe3#
      • 1...Re4
        • 2.Se3
          • threat
            • 3.Sc2#
            • 3.Qxd5#
          • 2...Rxe3
            • 3.dxe3#
          • 2...Qb3
            • 3.Sxb3#

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