MESON Chess Problem Database

Problem Display
PID: 61533 (8/K7/3P2p1/1pQBNkBp/1Rn4P/6p1/P4qP1/5R1n w - - 0 1)

Stubbs, Arthur Goodwin

Gems, 1922

8/K7/3P2p1/1pQBNkBp/1Rn4P/6p1/P4qP1/5R1n

#2

11 + 8

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1955

SOLUTION

  • SOUND
  • Tries
    • 1.Sxc4?
      • 1...Kg4
        • 2.Se3#
      • 1...Qxf1
        • 2.Qc8#
      • 1...Qf3
        • 2.Qc8#
      • 1...Qf4
        • 2.Rxf4#
        • 2.Qc8#
      • 1...bxc4!
  • Keys
    • 1.Sf7!
      • 1...Kg4
        • 2.Sh6#
      • 1...Qxf1
        • 2.Qc8#
      • 1...Sxd6
        • 2.Bb3#
      • 1...Qf3
        • 2.Qc8#
      • 1...Qf4
        • 2.Rxf4#
        • 2.Qc8#
      • 1...Sb2
        • 2.Bb3#
      • 1...Sd2
        • 2.Bb3#
      • 1...Sa3
        • 2.Bb3#
      • 1...Se3
        • 2.Qc8#
      • 1...Sa5
        • 2.Bb3#
      • 1...Se5
        • 2.Sh6#
      • 1...Sb6
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);XS(d)
      • Vars
        • K(f);N_SPINQ(b),S_FLIGHT::R(D)+S(H),DCHECK
        • Q(b);N_PINQ(F),N_SPINQ(b),XR(A)::QAB(F)
        • Q(b);N_PINQ(F)::QAB(F)
      • Refutation
        • P(e);XS(H)
  • Actual
    • S(H);
    • Vars
      • K(f);N_SPINQ(b),P_SPINS(d),S_FLIGHT::S(H)
      • Q(b);N_PINQ(F),N_SPINQ(b),XR(A)::QAB(F)
      • S(d);OGATE,XP(J)::QAR(F)+B(G)
      • Q(b);N_PINQ(F)::QAB(F)
      • S(d);OGATE::QAR(F)+B(G)
      • S(d);N_PINQ(F)::QAB(F)
      • S(d);SBLOCK::S(H)
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