MESON Chess Problem Database

Problem Display
PID: 141411 (8/3p1p2/3pbP2/2B1pRP1/1P2k2P/6K1/1N6/3R1B2 w - - 0 1)

Markwick, Frederick W

Source?, 1882

8/3p1p2/3pbP2/2B1pRP1/1P2k2P/6K1/1N6/3R1B2

#2

10 + 6

14867 BCPS Library 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Bd3#
    • 1...Bxf5
      • 2.Bg2#
    • 1...d5
      • 2.Bd3#
  • Tries
    • 1.Re1+?
      • 1...Kd5
        • 2.Bg2#
      • 1...Kxf5!
  • Keys
    • 1.Rd5!
      • 1...Kxd5
        • 2.Bg2#
      • 1...Kxf5
        • 2.Bd3#
      • 1...Bxd5
        • 2.Bd3#
      • 1...Bxf5
        • 2.Bg2#
      • 1...dxc5
        • 2.Rfxe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(d);SBLOCK::B(B)
    • B(d);SBLOCK,XR(H)::B(B)
    • P(c);SBLOCK::B(B)
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • K(a);P_SPINP(b),S_FLIGHT::B(B)
      • Refutation
        • K(a);S_FLIGHT,XR(H)
  • Actual
    • R(A);
    • Vars
      • K(a);P_SPINP(b),S_FLIGHT,XR(A)::B(B)
      • K(a);P_SPINP(b),S_FLIGHT,XR(H)::B(B)
      • B(d);SBLOCK,XR(A)::B(B)
      • B(d);SBLOCK,XR(H)::B(B)
      • P(c);N_GUARD,XB(G)::R1(H),XP(b)
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