MESON Chess Problem Database

Problem Display
PID: 23744 (8/3PkP2/1P5P/3PPP2/4K3/8/8/8 w - - 0 1)

Russ, Colin Albert Harry

Kings & Pawns, 1996

8/3PkP2/1P5P/3PPP2/4K3/8/8/8

#2

8 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.d8Q+?
      • 1...Kxf7
        • 2.e6#
      • 1...Kxd8!
    • 1.f8Q+?
      • 1...Kxd7
        • 2.e6#
      • 1...Kxf8!
  • Keys
    • 1.e6!
      • 1...Kd6
        • 2.f8Q#
        • 2.f8B#
      • 1...Kf6
        • 2.d8Q#
        • 2.d8B#
      • 1...Kd8
        • 2.f8Q#
      • 1...Kf8
        • 2.d8Q#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(G);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(H)::P(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(G)
    • Try
      • P(H);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(G)::P(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(H)
  • Actual
    • P(C);
    • Vars
      • K(a);S_FLIGHT::P=Q
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