MESON Chess Problem Database

Problem Display
PID: 157486 (8/4p1p1/4P1rp/3N1k1p/K3R2b/5Np1/2P3P1/1B6 w - - 0 1)

Godal, Ivar

Source?, 1999

8/4p1p1/4P1rp/3N1k1p/K3R2b/5Np1/2P3P1/1B6

#2

8 + 8

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.c4#
  • Tries
    • 1.c3?
      • 1...Rxe6
        • 2.Rf4#
      • 1...Rg5
        • 2.Sxh4#
      • 1...Rf6
        • 2.Sxe7#
      • 1...Bg5
        • 2.Sd4#
      • 1...Bf6
        • 2.Se3#
      • 1...Rg4!
  • Keys
    • 1.c4!
      • 1...Rxe6
        • 2.Rf4#
      • 1...Rg4
        • 2.Re5#
      • 1...Rg5
        • 2.Sxh4#
      • 1...Rf6
        • 2.Sxe7#
      • 1...Bg5
        • 2.Sd4#
      • 1...Bf6
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • K(c);S_FLIGHT,XR(F)::B(A)+P(B)
  • Tries
    • Try
      • P(B);
      • Vars
        • R(e);SBLOCK,XP(H)::B(A)+R(F),DCHECK
        • R(e);SBLOCK::S(D),XB(b)
        • R(e);SBLOCK,S_CUTB(b)::S(G),XP(g)
        • B(b);SBLOCK::S(D)
        • B(b);SBLOCK::S(G)
      • Refutation
        • R(e);P_PINR(F)
  • Actual
    • P(B);
    • Vars
      • R(e);SBLOCK,XP(H)::B(A)+R(F),DCHECK
      • R(e);SBLOCK::B(A)+R(F),DCHECK
      • R(e);SBLOCK::S(D),XB(b)
      • R(e);SBLOCK,S_CUTB(b)::S(G),XP(g)
      • B(b);SBLOCK::S(D)
      • B(b);SBLOCK::S(G)
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