MESON Chess Problem Database

Problem Display
PID: 157433 (5bn1/4pPrp/4p2p/3p2k1/3P1R2/K2Q4/5NPr/2BB3n w - - 0 1)

Gleave, Walter

Leeds Mercury, 1894

5bn1/4pPrp/4p2p/3p2k1/3P1R2/K2Q4/5NPr/2BB3n

#2

9 + 11

589 Kentish Mercury 1894
15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg2
      • 2.Sh3#
    • 1...Rh3
      • 2.Sxh3#
    • 1...Sg3
      • 2.Qxg3#
    • 1...e5
      • 2.Qf5#
  • Tries
    • 1.Rf3+?
      • 1...Kh5
        • 2.Rh3#
      • 1...Kh4!
    • 1.Rg4+?
      • 1...Kf6
        • 2.Qf3#
      • 1...Kh5!
    • 1.Rf5+?
      • 1...Kh4
        • 2.Rh5#
      • 1...Kg6!
  • Keys
    • 1.g3!
      • 1...Rxf2
        • 2.Rxf2#
      • 1...Rxf7
        • 2.Rxf7#
      • 1...Sxf2
        • 2.Rxf2#
      • 1...Sxg3
        • 2.Qxg3#
      • 1...h5
        • 2.Rf3#
      • 1...Rg2
        • 2.Sh3#
      • 1...Rh3
        • 2.Sxh3#
      • 1...Rh4
        • 2.gxh4#
      • 1...Rh5
        • 2.Rf3#
      • 1...Rg6
        • 2.Rf5#
      • 1...Sf6
        • 2.Rh4#
      • 1...e5
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD,XP(D)::S(C)
    • R(b);N_GUARD,P_PINQ(F)::S(C),XR(b)
    • S(a);N_GUARD::QAR2(F),XS(a)
    • P(e);N_GUARD::QAR1(F)
  • Tries
    • Try
      • R(H);CHECK
      • Vars
        • K(d);P-FLIGHT::B(B)+R(H),DCHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(H);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR(F)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • R(H);CHECK
      • Vars
        • K(d);OGATE,S_FLIGHT::R1(H)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • P(D);
    • Vars
      • R(b);OGATE,XS(C)::B(A)+R(H),XR(b)
      • R(h);OGATE,XP(I)::B(A)+R(H),XR(h)
      • S(a);OGATE,XS(C)::B(A)+R(H),XS(a)
      • S(a);OGATE,XP(D)::QAR2(F),XS(a)
      • P(f);SBLOCK::B(A)+R(H)
      • R(b);N_GUARD::S(C)
      • R(b);N_GUARD::S(C),XR(b)
      • R(b);OGATE::P(D),XR(b)
      • R(b);SBLOCK::B(A)+R(H)
      • R(h);SBLOCK::B(A)+R(H),DCHECK
      • S(k);SBLOCK::B(A)+R(H)
      • P(e);N_GUARD::QAR1(F)
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Developed and maintained by Brian Stephenson.
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