MESON Chess Problem Database

Problem Display
PID: 143942 (8/R1pN4/3k4/1RN3PB/2P5/B1K2P2/8/8 w - - 0 1)

Winter-Wood, Edward John

Hackney Mercury, 1907

8/R1pN4/3k4/1RN3PB/2P5/B1K2P2/8/8

#2

10 + 2

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Ra6#
  • Tries
    • 1.Se4+?
      • 1...Kc6
        • 2.Se5#
        • 2.Sb8#
      • 1...Ke6
        • 2.Sf8#
      • 1...Kxd7!
    • 1.Sb7+?
      • 1...Kc6
        • 2.Se5#
        • 2.Sb8#
      • 1...Ke6
        • 2.Sf8#
      • 1...Kxd7!
    • 1.Bg4?
      • 1...Kc6
        • 2.Ra6#
      • 1...c6
        • 2.Se4#
      • 1...Ke7!
    • 1.Bf7?
      • 1...Kc6
        • 2.Ra6#
      • 1...c6
        • 2.Se4#
      • 1...Ke7!
  • Keys
    • 1.Sf8!
      • 1...Ke5
        • 2.Sd3#
      • 1...Kc6
        • 2.Ra6#
      • 1...Ke7
        • 2.Sce6#
      • 1...c6
        • 2.Se4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(I)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(a);P-FLIGHT::S(J)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b),XS(J)
    • Try
      • S(F);CHECK
      • Vars
        • K(a);P-FLIGHT::S(J)
      • Refutation
        • K(a);P-FLIGHT,XS(J)
    • Try
      • B(H);
      • Vars
        • K(a);P-FLIGHT::R(I)
        • P(b);SBLOCK::B(A)+S(F),DCHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(H);
      • Vars
        • K(a);P-FLIGHT::R(I)
        • P(b);SBLOCK::B(A)+S(F),DCHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(J);
    • Vars
      • K(a);S_FLIGHT::R(E)+S(F),DCHECK
      • K(a);P-FLIGHT::R(I)
      • K(a);P_SPINP(b),S_FLIGHT::B(A)+S(F)
      • P(b);SBLOCK::B(A)+S(F),DCHECK
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