MESON Chess Problem Database

Problem Display
PID: 121137 (8/2R3B1/K1PP4/3k3N/1P5P/2P2NR1/6B1/8 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Source?, 0000

8/2R3B1/K1PP4/3k3N/1P5P/2P2NR1/6B1/8

#2

12 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Sd2#
    • 1...Ke4
      • 2.Sd4#
  • Tries
    • 1.Sd4+?
      • 1...Kxd6
        • 2.Rd7#
      • 1...Kc4!
    • 1.Sg5+?
      • 1...Kxd6
        • 2.Rd7#
      • 1...Kc4!
    • 1.Sf4+?
      • 1...Kc4
        • 2.Sd2#
      • 1...Kxd6
        • 2.Be5#
      • 1...Ke4!
  • Keys
    • 1.Rd7!
      • 1...Kc4
        • 2.Sd2#
      • 1...Ke4
        • 2.Sd4#
      • 1...Kxc6
        • 2.Se5#
      • 1...Ke6
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(C)
    • K(a);S_FLIGHT::B(A)+S(C)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(J)::R1(K)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(J)::R1(K)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(G);CHECK
      • Vars
        • K(a);S_FLIGHT::S(C)
        • K(a);P-FLIGHT,XP(J)::B(L)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(K);
    • Vars
      • K(a);S_FLIGHT::S(C)
      • K(a);S_FLIGHT::B(A)+S(C)
      • K(a);S_FLIGHT,XP(I)::B(A)+S(C),DCHECK
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