MESON Chess Problem Database

Problem Display
PID: 270578 (1b6/2p1R3/4Q3/p1k5/r1P5/p1B5/K1R1P3/8 w - - 0 1)

Westbury, Eric Ernest

HM., Hampstead and Highgate Express, 1899

1b6/2p1R3/4Q3/p1k5/r1P5/p1B5/K1R1P3/8

#2

7 + 6

17417 Westbury Scrapbooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Ba7
      • 2.Rxc7#
  • Tries
    • 1.Bd4+?
      • 1...Kxd4
        • 2.Qd5#
        • 2.Qe3#
        • 2.Qe5#
      • 1...Kb4!
    • 1.Rd2?
      • 1...Rxc4
        • 2.Rd5#
      • 1...Rb4
        • 2.Bd4#
      • 1...Ba7
        • 2.Rxc7#
      • 1...c6!
    • 1.Rd7?
      • 1...Rxc4
        • 2.Rd5#
      • 1...Rb4
        • 2.Bd4#
      • 1...Ba7
        • 2.Rxc7#
      • 1...c6!
  • Keys
    • 1.Qf6!
      • 1...Kxc4
        • 2.Qc6#
      • 1...Rxc4
        • 2.Re5#
      • 1...c6
        • 2.Qd4#
      • 1...Rb4
        • 2.Bd4#
      • 1...Ba7
        • 2.Rxc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(f);N_GUARD::R(G),XP(e)
  • Tries
    • Try
      • B(D);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • R(b);SBLOCK,XP(E)::R1(B)
        • R(b);SBLOCK::B(D)
        • B(f);N_GUARD::R(G),XP(e)
      • Refutation
        • P(e);
    • Try
      • R(G);
      • Vars
        • R(b);SBLOCK,XP(E)::R1(G)
        • R(b);SBLOCK::B(D)
        • B(f);N_GUARD::R(G),XP(e)
      • Refutation
        • P(e);
  • Actual
    • Q(F);
    • Vars
      • K(d);N_GUARD,P-FLIGHT,XP(E)::QAR2(F)
      • R(b);SBLOCK,XP(E)::R(G)
      • P(e);SBLOCK::QAB1(F)
      • R(b);SBLOCK::B(D)
      • B(f);N_GUARD::R(G),XP(e)
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