MESON Chess Problem Database

Problem Display
PID: 142879 (6n1/2K2p2/2p1kp1p/2RqB2N/2Q3r1/3N1R1B/8/8 w - - 0 1)

Hoek, Willem

diagrammes, 1973

6n1/2K2p2/2p1kp1p/2RqB2N/2Q3r1/3N1R1B/8/8

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Se7
      • 2.Sg7#
      • 2.Rxf6#
  • Tries
    • 1.Bxf6?
      • threat
        • 2.Sg7#
        • 2.Bxg4#
        • 2.Rxc6#
      • 1...Qxc4
        • 2.Sg7#
        • 2.Re5#
      • 1...Se7
        • 2.Sg7#
      • 1...Sxf6!
  • Keys
    • 1.Re3!
      • 1...Kf5
        • 2.Qxg4#
      • 1...Ke7
        • 2.Bd6#
      • 1...Qxc4
        • 2.Bd4#
      • 1...fxe5
        • 2.Rxe5#
      • 1...f5
        • 2.Bf4#
      • 1...Se7
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);XP(e)
      • Threat
        • DUALS(3)
      • Vars
        • S(h);::S(G)
      • Refutation
        • S(h);XB(F)
  • Actual
    • R(B);
    • Vars
      • K(d);N_SPINQ(b),S_FLIGHT::QAB1(D),XR(a)
      • K(d);N_SPINQ(b),N_SPINR(a),P-FLIGHT::R(B)+B(F),DCHECK
      • Q(b);N_SPINQ(b),XQ(D)::R(B)+B(F)
      • P(e);OGATE,P_SPINP(e),XB(F)::R1(B),XP(e)
      • P(e);N_SPINR(a),SBLOCK::R(B)+B(F)
      • S(h);SBLOCK::S(G)
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