MESON Chess Problem Database

Problem Display
PID: 160628 (r1r5/5B1n/6pK/pkBQ4/p7/p7/2PN4/8 w - - 0 1)

Williams, Philip Hamilton

Daventry Express, 1903

r1r5/5B1n/6pK/pkBQ4/p7/p7/2PN4/8

#2

6 + 8

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Ra6
      • 2.c4#
    • 1...Rxc5
      • 2.Qb7#
    • 1...Rc6
      • 2.Qc4#
  • Tries
    • 1.Bd4+?
      • 1...Kb4
        • 2.Qb7#
      • 1...Rc5
        • 2.Qb7#
      • 1...Ka6!
    • 1.Qd6?
      • threat
        • 2.Bc4#
        • 2.Qb6#
        • 2.c4#
      • 1...Rc6
        • 2.Bc4#
      • 1...Ra6
        • 2.Bc4#
        • 2.c4#
      • 1...Rab8
        • 2.Bc4#
        • 2.c4#
      • 1...Rcb8
        • 2.Bc4#
        • 2.c4#
      • 1...Rxc5!
  • Keys
    • 1.Bxg6!
      • threat
        • 2.Bd3#
      • 1...Ka6
        • 2.Bd3#
      • 1...Rxc5
        • 2.Qb7#
      • 1...Ra6
        • 2.c4#
      • 1...Rc6
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(g);SBLOCK::P(A)
    • R(h);P_SPINR(h),SBLOCK,XB(C)::QAR2(D)
    • R(h);SBLOCK::QAB1(D)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(d);P-FLIGHT::QAR(D)
        • R(h);P_SPINR(h)::QAR2(D)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(D);
      • Threat
        • DUALS(3)
      • Vars
        • R(h);::B(F)
      • Refutation
        • R(h);XB(C)
  • Actual
    • B(F);XP(e)
    • Threat
      • B(F)
    • Vars
      • K(d);S_FLIGHT::B(F)
      • R(h);P_SPINR(h),SBLOCK,XB(C)::QAR2(D)
      • R(g);P_PINB(F),SBLOCK::P(A)
      • R(h);P_PINB(F),SBLOCK::QAB1(D)
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