MESON Chess Problem Database

Problem Display
PID: 159717 (2K5/6p1/3p3P/3p1k2/Q2n2N1/6PB/3B1P1P/4R1b1 w - - 0 1)

Stubbs, Arthur Goodwin

BCPJ (June), 1919

2K5/6p1/3p3P/3p1k2/Q2n2N1/6PB/3B1P1P/4R1b1

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Qxc2#
    • 1...Sf3
      • 2.Qc2#
    • 1...Sb5
      • 2.Qc2#
    • 1...Sc6
      • 2.Qc2#
    • 1...Se6
      • 2.Qc2#
  • Tries
    • 1.Qd7+?
      • 1...Se6
        • 2.Qxe6#
        • 2.Qf7#
      • 1...Kg6!
  • Keys
    • 1.Re6!
      • 1...Kxe6
        • 2.Qd7#
      • 1...Bxf2
        • 2.Sxf2#
      • 1...Bxh2
        • 2.Sxh2#
      • 1...Sxe6
        • 2.Qc2#
      • 1...gxh6
        • 2.Sxh6#
      • 1...Sc2
        • 2.Se5#
      • 1...Se2
        • 2.Se5#
      • 1...Sb3
        • 2.Se5#
      • 1...Sf3
        • 2.Se5#
      • 1...Sb5
        • 2.Se5#
      • 1...Sc6
        • 2.Se5#
      • 1...g5
        • 2.Se3#
      • 1...g6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::QAB(G),XS(b)
    • S(b);N_GUARD::QAB(G)
  • Tries
    • Try
      • Q(G);CHECK
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(d);OGATEB,S_FLIGHT,XR(A)::QAB1(G)
      • B(a);XP(C)::B(F)+S(H),XB(a)
      • B(a);XP(D)::B(F)+S(H),XB(a)
      • S(b);N_GUARD,SBLOCK,XR(A)::QAB(G)
      • P(f);XP(I)::B(F)+S(H),DCHECK,XP(f)
      • S(b);::B(F)+S(H)
      • P(f);SBLOCK::B(F)+S(H),DCHECK
      • P(f);SBLOCK::B(F)+S(H)
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Developed and maintained by Brian Stephenson.
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