MESON Chess Problem Database

Problem Display
PID: 38396 (b1r5/1n5P/qb4NK/p6R/p1k2P1R/P7/2P1N1B1/7Q w - - 0 1)

Cross, H Holgate

1st Comm., BCF 016. Ty., 1934-1935

b1r5/1n5P/qb4NK/p6R/p1k2P1R/P7/2P1N1B1/7Q

#2

11 + 8

14869 British Championship Solving Ty. 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Rg8
      • 2.hxg8Q#
      • 2.hxg8B#
  • Tries
    • 1.Bc6?
      • threat
        • 2.Qd5#
      • 1...Qb5
        • 2.Bxb5#
      • 1...Rd8!
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qa2#
      • 1...Qb5
        • 2.Qxb5#
      • 1...Rc5
        • 2.f5#
      • 1...Bc5
        • 2.Bd5#
      • 1...Sc5
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(h);OGATE::PXR(h)=Q
  • Tries
    • Try
      • B(D);
      • Threat
        • QAB1(A)
      • Vars
        • Q(d);N_GUARD::B(D),XQ(d)
      • Refutation
        • R(h);
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • Q(d);N_GUARD::QAB1(A),XQ(d)
      • R(h);SBLOCK,S_CUTB(e)::R(G)+P(F)
      • B(e);P_PINS(I),SBLOCK::B(D)
      • S(f);SBLOCK::S(I)
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