MESON Chess Problem Database

Problem Display
PID: 182393 (8/B3p3/2K1NN1P/2p1k3/3p1pP1/2Pp4/8/1BQ5 w - - 0 1)

Greenwood, William M

British Chess Magazine, 1912

8/B3p3/2K1NN1P/2p1k3/3p1pP1/2Pp4/8/1BQ5

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...exf6
      • 2.Qe1#
  • Tries
    • 1.Sxc5?
      • threat
        • 2.Sfd7#
      • 1...dxc3
        • 2.Qxc3#
      • 1...exf6
        • 2.Bb8#
        • 2.Qe1#
      • 1...Kxf6!
    • 1.Sg5?
      • threat
        • 2.Sd7#
      • 1...dxc3
        • 2.Qxc3#
      • 1...exf6
        • 2.Bb8#
        • 2.Qe1#
      • 1...Kxf6!
    • 1.Sd7+?
      • 1...Ke4
        • 2.Sg5#
        • 2.Qxf4#
      • 1...Kxe6!
  • Keys
    • 1.Sf8!
      • 1...Kxf6
        • 2.Qxf4#
      • 1...dxc3
        • 2.Qxc3#
      • 1...exf6
        • 2.Qe1#
      • 1...e6
        • 2.S8d7#
      • 1...d2
        • 2.S6d7#
      • 1...f3
        • 2.Qg5#
      • 1...c4
        • 2.Bxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(f);SBLOCK,XS(G)::QAR(B)
  • Tries
    • Try
      • S(F);XP(d)
      • Threat
        • S(G)
      • Vars
        • P(b);OGATE,XP(C)::QAB(B),XP(b)
      • Refutation
        • K(e);S_FLIGHT,XS(G)
    • Try
      • S(F);
      • Threat
        • S(G)
      • Vars
        • P(b);OGATE,XP(C)::QAB(B),XP(b)
      • Refutation
        • K(e);S_FLIGHT,XS(G)
    • Try
      • S(G);CHECK
      • Refutation
        • K(e);P-FLIGHT,XS(F)
  • Actual
    • S(F);
    • Vars
      • K(e);S_FLIGHT,XS(G)::QAR2(B),XP(c)
      • P(b);OGATE,XP(C)::QAB(B),XP(b)
      • P(f);SBLOCK,XS(G)::QAR(B)
      • P(f);SBLOCK::S(F)
      • P(a);::S(G)
      • P(c);OGATE::QAR2(B)
      • P(d);OGATE::B(I),XP(b)
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