MESON Chess Problem Database

Problem Display
PID: 80876 (6R1/6n1/5pRb/4Nn2/3N1k2/3K1B2/5B2/8 w - - 0 1)

Wigan, TK

The Field, 1949

(First published on Sat Dec 31 1949)

6R1/6n1/5pRb/4Nn2/3N1k2/3K1B2/5B2/8

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Bg3#
    • 1...Sg3
      • 2.Bxg3#
    • 1...Sh4
      • 2.Bg3#
    • 1...Sd6
      • 2.Bg3#
    • 1...Se7
      • 2.Bg3#
    • 1...fxe5
      • 2.Rg4#
  • Tries
    • 1.Rxf6?
      • 1...Kg5
        • 2.Rxf5#
      • 1...Bg5
        • 2.Sg6#
      • 1...Sh5
        • 2.Rxf5#
      • 1...Se6
        • 2.Bg3#
        • 2.Rxf5#
      • 1...Se8
        • 2.Bg3#
        • 2.Rxf5#
      • 1...Kxe5!
  • Keys
    • 1.Rg5!
      • 1...Kxe5
        • 2.Bg3#
      • 1...Kxg5
        • 2.Se6#
      • 1...Bxg5
        • 2.Sg6#
      • 1...Sxd4
        • 2.Be3#
      • 1...fxe5
        • 2.Rg4#
      • 1...fxg5
        • 2.Sg6#
      • 1...Se3
        • 2.Bxe3#
      • 1...Sg3
        • 2.Be3#
      • 1...Sh4
        • 2.Be3#
      • 1...Sd6
        • 2.Be3#
      • 1...Se7
        • 2.Be3#
      • 1...Sh5
        • 2.Rxf5#
      • 1...Se6
        • 2.Rxf5#
      • 1...Se8
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 5
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::B(A)
    • S(b);N_GUARD::B(A),XS(b)
    • P(c);SBLOCK,XS(E)::R1(F)
  • Tries
    • Try
      • R(F);P_PINS(b),XP(c)
      • Vars
        • K(a);N_SPINS(b),P_SPINS(e),S_FLIGHT::R1(F),XS(b)
        • B(d);SBLOCK::S(E)
        • S(e);N_GUARD::R1(F),XS(b)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT,XS(E)
  • Actual
    • R(F);
    • Vars
      • K(a);P_SPINS(b),S_FLIGHT,XS(E)::B(A)
      • K(a);P_SPINS(e),S_FLIGHT,XR(F)::S(D)
      • B(d);SBLOCK,XR(F)::S(E)
      • S(b);N_GUARD,XS(D)::B(A)
      • P(c);SBLOCK,XS(E)::R1(F)
      • P(c);SBLOCK,XR(F)::S(E)
      • S(b);N_GUARD::B(A),XS(b)
      • S(b);N_GUARD::B(A)
      • S(e);N_GUARD::R1(F),XS(b)
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