MESON Chess Problem Database

Problem Display
PID: 4847 (3N2BB/4n3/1N1ppr2/P1k2PQ1/K1pp1p2/5P2/1P6/8 w - - 0 1)

Williams, Philip Hamilton

Leeds Weekly Mercury, 1892

3N2BB/4n3/1N1ppr2/P1k2PQ1/K1pp1p2/5P2/1P6/8

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sd5
      • 2.Sd7#
    • 1...Sc6
      • 2.Sb7#
    • 1...c3
      • 2.b4#
    • 1...d3
      • 2.Qg1#
    • 1...exf5
      • 2.Sd7#
    • 1...e5
      • 2.Sd7#
  • Tries
    • 1.Qxf6?
      • threat
        • 2.Qxd4#
      • 1...d5
        • 2.Qxe7#
      • 1...Sc6
        • 2.Sxe6#
        • 2.Sb7#
      • 1...d3
        • 2.Qd4#
      • 1...e5
        • 2.Sd7#
      • 1...Sxf5!
  • Keys
    • 1.Qg7!
      • 1...Rxf5
        • 2.Qxd4#
      • 1...Sxf5
        • 2.Qc7#
      • 1...Sxg8
        • 2.Qc7#
      • 1...exf5
        • 2.Sd7#
      • 1...d3
        • 2.Qg1#
      • 1...d5
        • 2.Qxe7#
      • 1...Rg6
        • 2.Qxd4#
      • 1...Rh6
        • 2.Qxd4#
      • 1...Rf7
        • 2.Qxd4#
      • 1...Rf8
        • 2.Qxd4#
      • 1...Sd5
        • 2.Sd7#
      • 1...Sc6
        • 2.Sb7#
      • 1...Sg6
        • 2.Qc7#
      • 1...Sc8
        • 2.Qc7#
      • 1...c3
        • 2.b4#
      • 1...e5
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • S(h);SBLOCK::S(G)
    • S(h);SBLOCK::S(H)
    • P(a);N_GUARD::P(A)
    • P(b);OGATEB::QAB(F)
    • P(f);P_SPINP(f),XP(E)::S(G)
    • P(f);::S(G)
  • Tries
    • Try
      • Q(F);XR(g)
      • Threat
        • QAB1(F),XP(b)
      • Vars
        • P(e);OGATEB::QAB(F),XS(h)
        • P(b);::QAB1(F)
        • P(f);::S(G)
      • Refutation
        • S(h);XP(E)
  • Actual
    • Q(F);
    • Vars
      • R(g);OGATE,XP(E)::QAB1(F),XP(b)
      • S(h);OGATE,XP(E)::QAR2(F)
      • S(h);OGATE,XB(I)::QAR2(F)
      • P(f);XP(E)::S(G)
      • P(b);OGATEB::QAB(F)
      • P(e);OGATEB::QAB(F),XS(h)
      • R(g);OGATE::QAB1(F),XP(b)
      • S(h);SBLOCK::S(G)
      • S(h);SBLOCK::S(H)
      • S(h);OGATE::QAR2(F)
      • P(a);N_GUARD::P(A)
      • P(f);::S(G)
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Developed and maintained by Brian Stephenson.
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