MESON Chess Problem Database

Problem Display
PID: 154755 (Rnk2bNR/1p2B1p1/3Kb1n1/1B1p4/8/2P5/8/7Q w - - 0 1)

Williams, Philip Hamilton

Reading Observer, 1907

Rnk2bNR/1p2B1p1/3Kb1n1/1B1p4/8/2P5/8/7Q

#2

8 + 8

15351 SCPF/BCPS Black Books 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Bh3
      • 2.Qxh3#
    • 1...Bd7
      • 2.Bxd7#
    • 1...Bf7
      • 2.Bd7#
    • 1...Bxg8
      • 2.Bd7#
    • 1...Bxe7+
      • 2.Sxe7#
    • 1...b6
      • 2.Ba6#
  • Keys
    • 1.Qh5!
      • 1...Bxe7+
        • 2.Sxe7#
      • 1...Bxg8
        • 2.Bd7#
      • 1...Sxe7
        • 2.Qe8#
      • 1...Sxh8
        • 2.Qe8#
      • 1...b6
        • 2.Ba6#
      • 1...Sf4
        • 2.Qe8#
      • 1...Bh3
        • 2.Qxh3#
      • 1...Bg4
        • 2.Qxg4#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Bd7
        • 2.Bxd7#
      • 1...Bf7
        • 2.Bd7#
      • 1...Sh4
        • 2.Qe8#
      • 1...Se5
        • 2.Qe8#
      • 1...d4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • B(b);OGATEB::QAB(A),XB(b)
    • B(b);N_GUARD::B(C),XB(b)
    • B(b);N_GUARD::B(C)
    • B(b);N_GUARD,XS(G)::B(C)
    • B(h);CHECK,XB(E)::R(H)+S(G),DCHECK,XB(h)
    • P(d);OGATEB::B(C)
  • Actual
    • Q(A);
    • Vars
      • B(h);CHECK,XB(E)::R(H)+S(G),DCHECK,XB(h)
      • B(b);N_GUARD,XS(G)::B(C)
      • S(c);OGATE,XB(E)::QAR2(A)
      • S(c);OGATE,XR(H)::QAR2(A)
      • P(d);OGATEB::B(C)
      • S(c);OGATE::QAR2(A)
      • B(b);OGATEB::QAB(A),XB(b)
      • B(b);N_GUARD::B(C),XB(b)
      • B(b);N_GUARD::B(C)
      • P(a);OGATE::QAR(A)
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