MESON Chess Problem Database

Problem Display
PID: 157487 (4K1R1/6Bp/4p1P1/4P1k1/6B1/5R1P/6N1/8 w - - 0 1)

Godal, Ivar

Source?, 1999

4K1R1/6Bp/4p1P1/4P1k1/6B1/5R1P/6N1/8

#2

9 + 3

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kxg6
      • 2.Bf8#
    • 1...h6
      • 2.Bf6#
  • Tries
    • 1.Rf4?
      • 1...Kxg6
        • 2.Bf8#
      • 1...hxg6
        • 2.h4#
      • 1...h6
        • 2.Bf6#
      • 1...h5!
    • 1.Rf5+?
      • 1...Kxg6
        • 2.Sf4#
        • 2.Sh4#
        • 2.Bf8#
      • 1...exf5!
    • 1.h4+?
      • 1...Kxg6
        • 2.Sf4#
        • 2.Bf8#
        • 2.Rf6#
      • 1...Kxg4!
  • Keys
    • 1.Rg3!
      • 1...Kxg6
        • 2.Bf8#
      • 1...hxg6
        • 2.h4#
      • 1...h5
        • 2.Bxe6#
      • 1...h6
        • 2.Bf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,P-FLIGHT,XP(F)::R(I)+B(G)
    • P(c);SBLOCK::B(G)
  • Tries
    • Try
      • R(B);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(F)::R(I)+B(G)
        • P(c);SBLOCK,XP(F)::P(C)
        • P(c);SBLOCK::B(G)
      • Refutation
        • P(c);
    • Try
      • R(B);CHECK
      • Refutation
        • P(b);XR(B)
    • Try
      • P(C);CHECK
      • Refutation
        • K(a);P-FLIGHT,XB(D)
  • Actual
    • R(B);
    • Vars
      • K(a);OGATEB,P-FLIGHT,XP(F)::R(I)+B(G)
      • P(c);SBLOCK,XP(F)::P(C)
      • P(c);SBLOCK::R(B)+B(D),XP(b)
      • P(c);SBLOCK::B(G)
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