MESON Chess Problem Database

Problem Display
PID: 136533 (3B2R1/8/2K1k3/8/3p4/3B4/8/8 w - - 0 1)

Drazkowski, Krzysztof

4th HM., Borowiczi, 1987

3B2R1/8/2K1k3/8/3p4/3B4/8/8

#2

4 + 2

6490 yacpdb 2010
5454 Near Snap 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kf7
      • 2.Bc4#
  • Tries
    • 1.Kc5?
      • 1...Kd7
        • 2.Bf5#
      • 1...Kf7
        • 2.Bc4#
      • 1...Ke5!
    • 1.Bh4?
      • 1...Kf7
        • 2.Bc4#
      • 1...Ke5!
    • 1.Rg6+?
      • 1...Ke5
        • 2.Bc7#
      • 1...Kf7!
  • Keys
    • 1.Bg5!
      • 1...Ke5
        • 2.Re8#
      • 1...Kf7
        • 2.Bc4#

Anticipated by 28618(1979)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);S_FLIGHT::B(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(b);P-FLIGHT::B(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(b);P-FLIGHT::R(D)
      • K(b);S_FLIGHT::B(A)
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