MESON Chess Problem Database

Problem Display
PID: 208801 (4b3/1p1PPR2/1P2k3/2K1B2P/8/3p1B1P/3P1R2/8 w - - 0 1)

Martindale, Frank W

Detroit Free Press, 1876

4b3/1p1PPR2/1P2k3/2K1B2P/8/3p1B1P/3P1R2/8

#2

11 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd7
      • 2.Bg4#
  • Tries
    • 1.Bd5+?
      • 1...Kxe5
        • 2.R2f5#
        • 2.R7f5#
      • 1...Kxd7!
    • 1.Bd6?
      • threat
        • 2.Bg4#
      • 1...Kxd7
        • 2.Bg4#
      • 1...Kxf7!
    • 1.d8S+?
      • 1...Kd7
        • 2.Bg4#
      • 1...Kxe5!
  • Keys
    • 1.Bf6!
      • 1...Kf5
        • 2.Bd5#
      • 1...Kxd7
        • 2.Bg4#
      • 1...Kxf7
        • 2.Bd5#
      • 1...Bxd7
        • 2.Bd5#
      • 1...Bxf7
        • 2.Bg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT,XP(I)::B(C)
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • K(b);S_FLIGHT,XP(I)
    • Try
      • B(F);
      • Threat
        • B(C)
      • Vars
        • K(b);S_FLIGHT,XP(I)::B(C)
      • Refutation
        • K(b);S_FLIGHT,XR(K)
    • Try
      • P(I);CHECK
      • Vars
        • K(b);S_FLIGHT::B(C)
      • Refutation
        • K(b);P-FLIGHT,XB(F)
  • Actual
    • B(F);
    • Vars
      • K(b);S_FLIGHT::R(B)+B(C)
      • K(b);S_FLIGHT,XP(I)::B(C)
      • K(b);S_FLIGHT,XR(K)::B(C)
      • B(d);SBLOCK,XP(I)::B(C)
      • B(d);SBLOCK,XR(K)::B(C)
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