MESON Chess Problem Database

Problem Display
PID: 222472 (8/N5N1/8/2PpP3/3k4/8/1R1P1R2/1K3B2 w - - 0 1)

Hamilton, Charles Dingee Pennock

Philadelphia Times, 1883

8/N5N1/8/2PpP3/3k4/8/1R1P1R2/1K3B2

#2

9 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc5
      • 2.Se6#
  • Tries
    • 1.Bd3?
      • 1...Kxc5
        • 2.Se6#
      • 1...Kxe5
        • 2.Sc6#
      • 1...Kxd3!
    • 1.Rb4+?
      • 1...Kxe5
        • 2.Sc6#
        • 2.Rf5#
      • 1...Kxc5!
    • 1.Rf4+?
      • 1...Kxc5
        • 2.Se6#
        • 2.Rb5#
        • 2.d4#
      • 1...Kxe5!
    • 1.Rf5?
      • 1...Kxc5
        • 2.Se6#
      • 1...Ke4!
  • Keys
    • 1.d3!
      • 1...Kc3
        • 2.Sb5#
      • 1...Ke3
        • 2.Sf5#
      • 1...Kxc5
        • 2.Se6#
      • 1...Kxe5
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XP(F)::S(I)
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT,XP(F)::S(I)
        • K(a);S_FLIGHT,XP(G)::S(H)
      • Refutation
        • K(a);P-FLIGHT,XB(B)
    • Try
      • R(C);CHECK
      • Refutation
        • K(a);S_FLIGHT,XP(F)
    • Try
      • R(E);CHECK
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • R(E);
      • Vars
        • K(a);S_FLIGHT,XP(F)::S(I)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(D);
    • Vars
      • K(a);S_FLIGHT::S(H)
      • K(a);S_FLIGHT::S(I)
      • K(a);S_FLIGHT,XP(F)::S(I)
      • K(a);S_FLIGHT,XP(G)::S(H)
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