MESON Chess Problem Database

Problem Display
PID: 270355 (1Bn5/2N3K1/4p3/3Nkp2/8/8/3P2P1/2QR4 w - - 0 1)

Westbury, Eric Ernest

Cambrian Pivansea, 1899

1Bn5/2N3K1/4p3/3Nkp2/8/8/3P2P1/2QR4

#2

8 + 4

17417 Westbury Scrapbooks 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Re1+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kd6!
    • 1.Qb2+?
      • 1...Ke4
        • 2.d3#
      • 1...Kd6!
    • 1.Qa1+?
      • 1...Ke4
        • 2.d3#
      • 1...Kd6!
    • 1.Qc3+?
      • 1...Ke4
        • 2.Re1#
        • 2.Qe3#
        • 2.d3#
      • 1...Kd6!
    • 1.d4+?
      • 1...Ke4
        • 2.Sc3#
        • 2.Sf6#
        • 2.Qe3#
        • 2.Qf4#
        • 2.Qb1#
        • 2.Qc2#
      • 1...Kd6!
  • Keys
    • 1.Sf6!
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Sxe6#
      • 1...Kd6
        • 2.Scd5#
      • 1...Sb6
        • 2.Sb5#
      • 1...Sd6
        • 2.d4#
      • 1...Sa7
        • 2.Sb5#
      • 1...Se7
        • 2.Sb5#
      • 1...f4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT::P(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT::P(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(A)
      • K(a);N_GUARD,S_FLIGHT::B(H)+S(F),DCHECK,XP(c)
      • K(a);N_GUARD,S_CUTS(d),S_FLIGHT::B(H)+S(F)
      • S(d);N_GUARD::B(H)+S(F)
      • S(d);SBLOCK::P(C)
      • P(b);SBLOCK::QAR2(A)
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Developed and maintained by Brian Stephenson.
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