MESON Chess Problem Database

Problem Display
PID: 204681 (1B6/3p4/2P1P3/P1k5/R2N1N2/2P5/4K3/2R5 w - - 0 1)

Tar, Gabor Zoltan

KobulChess, 2015

1B6/3p4/2P1P3/P1k5/R2N1N2/2P5/4K3/2R5

#2

10 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Sd3#
    • 1...d6
      • 2.Ba7#
  • Tries
    • 1.Rg1?
      • 1...dxc6
        • 2.Rg5#
      • 1...d5
        • 2.Sd3#
      • 1...d6
        • 2.Ba7#
      • 1...dxe6!
    • 1.Rh1?
      • 1...dxc6
        • 2.Rh5#
      • 1...d5
        • 2.Sd3#
      • 1...d6
        • 2.Ba7#
      • 1...dxe6!
    • 1.Rb4?
      • 1...dxc6
        • 2.Sb3#
      • 1...d5
        • 2.Sd3#
      • 1...d6
        • 2.Ba7#
      • 1...dxe6!
    • 1.c7?
      • threat
        • 2.c8Q#
        • 2.c8R#
      • 1...dxe6
        • 2.c8Q#
        • 2.c8R#
      • 1...d5
        • 2.c8Q#
        • 2.c8R#
      • 1...d6
        • 2.Ba7#
        • 2.c8Q#
        • 2.c8R#
      • 1...Kd6!
    • 1.e7?
      • 1...d5
        • 2.Sd3#
        • 2.Sfe6#
      • 1...d6
        • 2.Ba7#
      • 1...dxc6!
  • Keys
    • 1.c4!
      • 1...Kxd4
        • 2.c5#
      • 1...dxc6
        • 2.Sb3#
      • 1...dxe6
        • 2.Sfxe6#
      • 1...d5
        • 2.cxd5#
      • 1...d6
        • 2.Ba7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::S(F)
    • P(b);SBLOCK::B(J)
  • Tries
    • Try
      • R(A);
      • Vars
        • P(b);N_GUARD,XP(H)::R(A)
        • P(b);SBLOCK::S(F)
        • P(b);SBLOCK::B(J)
      • Refutation
        • P(b);XP(I)
    • Try
      • R(A);
      • Vars
        • P(b);N_GUARD,XP(H)::R(A)
        • P(b);SBLOCK::S(F)
        • P(b);SBLOCK::B(J)
      • Refutation
        • P(b);XP(I)
    • Try
      • R(D);
      • Vars
        • P(b);SBLOCK,XP(H)::S(E)
        • P(b);SBLOCK::S(F)
        • P(b);SBLOCK::B(J)
      • Refutation
        • P(b);XP(I)
    • Try
      • P(H);
      • Threat
        • P=Q
      • Vars
        • P(b);XP(I)::P=Q
        • P(b);::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(I);
      • Vars
        • P(b);SBLOCK::B(J)
      • Refutation
        • P(b);XP(H)
  • Actual
    • P(C);
    • Vars
      • K(a);OGATE,S_FLIGHT,XS(E)::R(D)+P(C)
      • P(b);SBLOCK,XP(H)::S(E)
      • P(b);XP(I)::S(F),XP(b)
      • P(b);OGATE::R(A)+P(C),XP(b)
      • P(b);SBLOCK::B(J)
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