MESON Chess Problem Database

Problem Display
PID: 160971 (1b4R1/p1n2p2/P6p/5k2/1P4p1/1B1K2PN/Q2PN3/B4n2 w - - 0 1)

Healey, Percy E

Western Times, 0000

1b4R1/p1n2p2/P6p/5k2/1P4p1/1B1K2PN/Q2PN3/B4n2

#2

11 + 8

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Sxg3
      • 2.Sxg3#
    • 1...gxh3
      • 2.g4#
    • 1...h5
      • 2.Rg5#
  • Tries
    • 1.Bxf7?
      • threat
        • 2.Bg6#
      • 1...gxh3
        • 2.g4#
      • 1...Sd5!
  • Keys
    • 1.Qc2!
      • 1...Sxd2
        • 2.Kxd2#
      • 1...Sxg3
        • 2.Sxg3#
      • 1...Sxa6
        • 2.Qc8#
      • 1...gxh3
        • 2.g4#
      • 1...Sd5
        • 2.Qc8#
      • 1...Se6
        • 2.Kc4#
      • 1...Sh2
        • 2.Ke3#
      • 1...Se3
        • 2.Kxe3#
      • 1...Sb5
        • 2.Qc8#
      • 1...Sa8
        • 2.Qc8#
      • 1...Se8
        • 2.Qc8#
      • 1...h5
        • 2.Rg5#
      • 1...f6
        • 2.Kd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • S(a);XP(G)::S(D),XS(a)
    • P(b);OGATE,XS(H)::P(G)
    • P(d);N_GUARD::R1(K)
  • Tries
    • Try
      • B(E);XP(g)
      • Threat
        • B(E)
      • Vars
        • P(b);OGATE,XS(H)::P(G)
      • Refutation
        • S(f);
  • Actual
    • Q(B);
    • Vars
      • S(a);XP(C)::QAB(B)+K(F),XS(a)
      • S(a);XP(G)::S(D),XS(a)
      • S(f);OGATE,XP(J)::QAB(B)
      • P(b);OGATE,XS(H)::P(G)
      • S(f);OGATE::QAB(B)
      • S(f);SBLOCK::QAB(B)+K(F)
      • S(a);::QAB(B)+K(F)
      • S(a);::QAB(B)+K(F),XS(a)
      • P(d);N_GUARD::R1(K)
      • P(g);SBLOCK::QAB(B)+K(F)
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Developed and maintained by Brian Stephenson.
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