MESON Chess Problem Database

Problem Display
PID: 45304 (B5Rq/B1p2Rnp/r1N4K/b4p2/1pP2p2/1N3k1P/2Q4P/5b1n w - - 0 1)

Blandford, Hugh F

1st Prize, BCF 048. Ty., 1944-1945

B5Rq/B1p2Rnp/r1N4K/b4p2/1pP2p2/1N3k1P/2Q4P/5b1n

#2

11 + 12

14869 British Championship Solving Ty. 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc6+
      • 2.Bxc6#
    • 1...Bg2
      • 2.Qd3#
    • 1...Se6
      • 2.Se5#
  • Tries
    • 1.Qd1+?
      • 1...Ke4
        • 2.Qd5#
      • 1...Be2
        • 2.Qxh1#
        • 2.Qd5#
      • 1...Kg2!
    • 1.Qf2+?
      • 1...Ke4
        • 2.Sc5#
      • 1...Sxf2!
  • Keys
    • 1.Re7!
      • threat
        • 2.Sd4#
      • 1...Rxc6+
        • 2.Bxc6#
      • 1...Bxh3
        • 2.Qe2#
      • 1...Be2
        • 2.Qxe2#
      • 1...Sf2
        • 2.Qxf2#
      • 1...Bb6
        • 2.Scd4#
      • 1...Sh5
        • 2.Sd2#
      • 1...Se6
        • 2.Se5#
      • 1...Se8
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • R(h);CHECK,OGATE,P_SPINR(h),XS(F)::B(J),XR(h)
    • B(a);N_GUARD,SBLOCK::QAR2(A)
    • S(j);N_PINS(F)::B(J)+S(F),DCHECK
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);P_SPINS(j),S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::S(C)
      • Refutation
        • S(b);XQ(A)
  • Actual
    • R(I);
    • Threat
      • S(C)
    • Vars
      • R(h);CHECK,OGATE,P_SPINR(h),XS(F)::B(J),XR(h)
      • B(a);N_GUARD,XP(D)::QAB1(A)
      • B(a);N_GUARD::QAB1(A),XB(a)
      • S(b);N_GUARD::QAR1(A),XS(b)
      • B(f);N_PINS(F)::B(J)+S(F),DCHECK
      • S(j);::S(C)
      • S(j);N_PINS(F)::B(J)+S(F),DCHECK
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