MESON Chess Problem Database

Problem Display
PID: 70769 (1b6/5N1n/1B2p3/1p3b1Q/4k3/4P3/B1R5/2N4K w - - 0 1)

Kisis, Imants J

3rd Prize, Heureka, 1992-1993

1b6/5N1n/1B2p3/1p3b1Q/4k3/4P3/B1R5/2N4K

#2

8 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Rf2?
      • threat
        • 2.Qf3#
      • 1...Bg4
        • 2.Bb1#
      • 1...Sg5!
    • 1.Rc4+?
      • 1...Kd5
        • 2.e4#
      • 1...bxc4!
    • 1.Qg4+?
      • 1...Bf4
        • 2.Qg2#
        • 2.Qxf4#
      • 1...Bxg4!
    • 1.Qh4+?
      • 1...Kf3
        • 2.Rf2#
      • 1...Bf4
        • 2.Qxf4#
      • 1...Bg4!
  • Keys
    • 1.Bb1!
      • threat
        • 2.Rd2#
      • 1...Kd5
        • 2.Rc5#
      • 1...Bg4
        • 2.Rf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • QAB1(F)
      • Vars
        • B(c);::B(C)
      • Refutation
        • S(e);
    • Try
      • R(D);CHECK
      • Vars
        • K(a);OGATE,P_SPINB(c),S_FLIGHT::P(E)
      • Refutation
        • P(b);XR(D)
    • Try
      • Q(F);CHECK
      • Refutation
        • B(c);XQ(F)
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);S_FLIGHT::R1(D)
        • B(f);N_GUARD,P_SPINB(f)::QAR1(F),XB(f)
      • Refutation
        • B(c);P_SPINB(c)
  • Actual
    • B(C);
    • Threat
      • B(C)+R(D)
    • Vars
      • K(a);P_SPINB(c),S_FLIGHT::R1(D)
      • B(c);::B(C)+R(D)
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Developed and maintained by Brian Stephenson.
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