MESON Chess Problem Database

Problem Display
PID: 270808 (2R2b2/2B3p1/8/1pk5/b6Q/2p5/B1n2K2/8 w - - 0 1)

Westbury, Eric Ernest

British Chess Magazine, 1900

2R2b2/2B3p1/8/1pk5/b6Q/2p5/B1n2K2/8

#2

5 + 7

17417 Westbury Scrapbooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...b4
      • 2.Qc4#
  • Tries
    • 1.Qg5+?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kc6
        • 2.Qd5#
      • 1...Kb4!
    • 1.Qe7+?
      • 1...Kd4
        • 2.Rd8#
      • 1...Kc6
        • 2.Ba5#
        • 2.Bd8#
      • 1...Bxe7!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Ba5#
      • 1...Kb4
        • 2.Qxf8#
      • 1...Kc6
        • 2.Qd5#
      • 1...Bd6
        • 2.Qxd6#
      • 1...Sb4
        • 2.Bb6#
      • 1...Sd4
        • 2.Bd6#
      • 1...b4
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(d);N_GUARD::QAR1(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(e);N_GUARD,S_FLIGHT::QAR1(C)
        • K(e);N_GUARD,P-FLIGHT::QAB1(C)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(e);N_GUARD,S_CUTB(g),S_FLIGHT::R(E)
      • Refutation
        • B(g);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • R(E)+B(D)
    • Vars
      • K(e);N_GUARD,S_FLIGHT::QAB(C),XB(g)
      • K(e);N_GUARD,P-FLIGHT::QAB1(C)
      • B(g);N_GUARD::QAB1(C),XB(g)
      • S(a);SBLOCK::R(E)+B(D),DCHECK
      • P(d);SBLOCK::QAR1(C)
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Developed and maintained by Brian Stephenson.
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