MESON Chess Problem Database

Problem Display
PID: 62909 (4KB2/8/8/2np1R2/P1knN1Q1/8/N1P1r3/3RrB2 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1944

4KB2/8/8/2np1R2/P1knN1Q1/8/N1P1r3/3RrB2

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sde6
      • 2.Sd2#
      • 2.Sd6#
    • 1...Sce6
      • 2.Sd2#
    • 1...dxe4
      • 2.Rxc5#
  • Tries
    • 1.Bxe2+?
      • 1...Sxe2
        • 2.Sd2#
        • 2.Sd6#
      • 1...Sd3
        • 2.Sd2#
        • 2.Bxd3#
      • 1...Rxe2!
    • 1.Qxe2+?
      • 1...Sxe2
        • 2.Sd6#
      • 1...Sd3
        • 2.Sd2#
        • 2.Qxd3#
      • 1...Rxe2!
  • Keys
    • 1.Qg8!
      • threat
        • 2.Qxd5#
      • 1...Sde6
        • 2.Sd6#
      • 1...Sce6
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • S(e);N_PINS(F)::S(F)
    • P(f);OGATE,XS(F)::R1(H),XS(e)
  • Tries
    • Try
      • B(B);CHECK,N_SPINS(F),XR(b)
      • Refutation
        • R(a);P_PINS(F),XB(B)
    • Try
      • Q(G);CHECK,N_SPINS(F),XR(b)
      • Vars
        • S(d);P_SPINS(d),XQ(G)::S(F)
      • Refutation
        • R(a);P_PINS(F),P_SPINR(a),XQ(G)
  • Actual
    • Q(G);P_PINP(f)
    • Threat
      • QAB1(G),XP(f)
    • Vars
      • S(d);N_PINS(F),N_SPINP(f)::S(F)
      • S(e);N_PINS(F),N_SPINP(f)::S(F)
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Developed and maintained by Brian Stephenson.
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