MESON Chess Problem Database

Problem Display
PID: 11079 (6b1/p1Kp4/1pPPP1P1/3Nk1P1/1R2BNpr/2P1qpB1/8/r3R3 w - - 0 1)

Wimsatt, William Kurtz (Jr)

Chess, 1936

6b1/p1Kp4/1pPPP1P1/3Nk1P1/1R2BNpr/2P1qpB1/8/r3R3

#2

13 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.cxd4#
    • 1...Bxe6
      • 2.Sd3#
    • 1...dxe6
      • 2.Sd3#
  • Tries
    • 1.Sh5+?
      • 1...Kxe6
        • 2.Sg7#
      • 1...Qf4!
    • 1.Rxe3?
      • threat
        • 2.Bb1#
        • 2.Bc2#
        • 2.Bd3#
      • 1...Rb1
        • 2.Bxb1#
        • 2.Bc2#
        • 2.Bd3#
      • 1...Re1!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Sxd7#
      • 1...Qxf4
        • 2.Bb1#
      • 1...Qxe4
        • 2.Rb5#
      • 1...Bxe6
        • 2.Sd3#
      • 1...dxc6
        • 2.Sd7#
      • 1...dxe6
        • 2.Sd3#
        • 2.Sd7#
      • 1...Rh7
        • 2.Sxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • Q(b);OGATE::P(B),XQ(b)
    • B(j);SBLOCK,XP(K)::B(C)+S(F),DCHECK
    • P(i);SBLOCK,XP(K)::B(C)+S(F),DCHECK
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(f);P-FLIGHT,XP(K)::S(F)
      • Refutation
        • Q(b);P_SPINQ(b)
    • Try
      • R(A);XQ(b)
      • Threat
        • DUALS(3)
      • Refutation
        • R(a);
  • Actual
    • S(G);
    • Threat
      • S(G),XP(i)
    • Vars
      • Q(b);OGATEB,P_SPINQ(b),XS(F)::R(A)+B(E)
      • Q(b);N_GUARD,P_SPINQ(b),XB(E)::R(D)
      • B(j);SBLOCK,XP(K)::B(C)+S(F),DCHECK
      • P(i);XP(I)::S(G)
      • R(e);N_GUARD::S(G),XP(d)
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