MESON Chess Problem Database

Problem Display
PID: 159251 (1B1Q1b2/5Pp1/R2P4/K3k3/2P1N3/8/6N1/4RB2 w - - 0 1)

Andrew, Frederick William

Birmingham News, 1897

(First published on Sat Jun 26 1897)

1B1Q1b2/5Pp1/R2P4/K3k3/2P1N3/8/6N1/4RB2

#2

11 + 3

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...g5
      • 2.Qf6#
    • 1...g6
      • 2.Qf6#
  • Tries
    • 1.Sf2+?
      • 1...Kf5
        • 2.Bd3#
      • 1...Kd4!
    • 1.Qg5+?
      • 1...Kd4
        • 2.Ba7#
        • 2.Qc5#
        • 2.Qd5#
      • 1...Ke6!
  • Keys
    • 1.Sh4!
      • 1...Kd4
        • 2.Sf3#
      • 1...Kf4
        • 2.Qg5#
      • 1...Ke6
        • 2.Sg5#
      • 1...Bxd6
        • 2.Qxd6#
      • 1...Be7
        • 2.dxe7#
      • 1...g5
        • 2.Qf6#
      • 1...g6
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::QAB1(K)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(a);P-FLIGHT::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(K);CHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::S(C)
      • K(a);S_FLIGHT::QAB1(K)
      • K(a);P-FLIGHT::R(A)+S(E),DCHECK
      • B(c);OGATE,P_SPINB(c),XP(H)::QAB1(K),XB(c)
      • B(c);OGATE::B(J)+P(H),XB(c)
      • P(b);N_GUARD::QAB1(K)
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