MESON Chess Problem Database

Problem Display
PID: 223106 (8/1Bk3K1/3N3Q/2N5/8/8/8/4B3 w - - 0 1)

Hamilton, Charles Dingee Pennock

Philadelphia Times, 1885

8/1Bk3K1/3N3Q/2N5/8/8/8/4B3

#2

6 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sb5+?
      • 1...Kb8
        • 2.Bg3#
        • 2.Qf4#
        • 2.Qh2#
        • 2.Qd6#
        • 2.Qh8#
      • 1...Kd8!
    • 1.Sc8?
      • threat
        • 2.Qd6#
      • 1...Kb8
        • 2.Bg3#
        • 2.Qf4#
        • 2.Qh2#
        • 2.Qd6#
      • 1...Kd8!
  • Keys
    • 1.Qe3!
      • 1...Kb6
        • 2.Sa6#
        • 2.Se6#
      • 1...Kxd6
        • 2.Bg3#
      • 1...Kb8
        • 2.Sa6#
      • 1...Kd8
        • 2.Ba5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XS(C)::B(A)
      • K(a);S_FLIGHT::S(B)
      • K(a);S_FLIGHT::B(A)
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