MESON Chess Problem Database

Problem Display
PID: 158856 (K7/3N4/2P2p2/3k1N2/8/6B1/4B2Q/8 w - - 0 1)

Decker, Adolfph L

British Chess Magazine 13. Ty., 1906-1907

K7/3N4/2P2p2/3k1N2/8/6B1/4B2Q/8

#2

7 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Bd3?
      • 1...Ke6
        • 2.Qa2#
      • 1...Kxc6!
    • 1.Qf2?
      • 1...Ke4
        • 2.Sxf6#
        • 2.Qf3#
      • 1...Ke6
        • 2.Bc4#
      • 1...Kxc6!
    • 1.Qh5?
      • 1...Ke4
        • 2.Sxf6#
        • 2.Qf3#
      • 1...Ke6
        • 2.Bc4#
      • 1...Kxc6!
    • 1.Qh7?
      • 1...Ke4
        • 2.Sxf6#
      • 1...Ke6
        • 2.Bc4#
      • 1...Kxc6!
  • Keys
    • 1.Qh3!
      • 1...Ke4
        • 2.Sxf6#
      • 1...Kxc6
        • 2.Se7#
      • 1...Ke6
        • 2.Bc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);S_FLIGHT,XP(E)
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT,XP(E)
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT,XP(E)
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::S(F),XP(b)
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT,XP(E)
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::S(F),XP(b)
      • K(a);S_FLIGHT,XP(E)::S(D)
      • K(a);S_FLIGHT::B(A)
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