MESON Chess Problem Database

Problem Display
PID: 44386 (8/1B4K1/4N3/1n1p1k2/2NP4/1Qp3p1/4R1P1/8 w - - 0 1)

Gilberg, Charles Alexander

Source?, 0000

8/1B4K1/4N3/1n1p1k2/2NP4/1Qp3p1/4R1P1/8

#2

8 + 5

176 Crumbs from the Chess-board 1890

SOLUTION

  • SOUND
  • Sets
    • 1...c2
      • 2.Qf3#
  • Tries
    • 1.Se3+?
      • 1...Ke4
        • 2.Qc2#
      • 1...Kxe6!
  • Keys
    • 1.Re4!
      • 1...Kxe4
        • 2.Qc2#
      • 1...Sxd4
        • 2.Sd6#
      • 1...dxc4
        • 2.Qxb5#
      • 1...dxe4
        • 2.Se3#
      • 1...Sa3
        • 2.Sd6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sa7
        • 2.Sd6#
      • 1...Sc7
        • 2.Sd6#
      • 1...c2
        • 2.Qf3#

There are these versions: 222720

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATE::QAR2(C)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(e);P_SPINP(d),S_FLIGHT::QAB(C)
      • Refutation
        • K(e);P_SPINP(d),S_FLIGHT,XS(F)
  • Actual
    • R(A);
    • Vars
      • K(e);OGATEB,P_SPINP(d),S_FLIGHT,XR(A)::QAB(C)
      • S(c);N_GUARD,XP(E)::S(D)
      • P(d);OGATEB,XS(D)::QAR(C),XS(c)
      • P(d);XR(A)::S(D)
      • S(c);N_GUARD::S(D)
      • S(c);N_GUARD::S(D),XS(c)
      • P(a);OGATE::QAR2(C)
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