MESON Chess Problem Database

Problem Display
PID: 140150 (7K/2Bn4/R1N2k2/3p3B/7b/3P1N2/8/5R2 w - - 0 1)

Simonet, Andre

Sp. Prize, Kwik-Toernooi, 1975

7K/2Bn4/R1N2k2/3p3B/7b/3P1N2/8/5R2

#2

8 + 4

102 Probleemblad 1975
15611 Schaak-composities 1975-1979 (de Vuyst) 1982

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Scd4#
    • 1...Ke6
      • 2.Sfd4#
  • Tries
    • 1.Sfd4+?
      • 1...Bf2
        • 2.Bd8#
      • 1...Kg5!
    • 1.Sxh4+?
      • 1...Ke6
        • 2.Bg4#
        • 2.Bf7#
      • 1...Kg5!
    • 1.Scd4+?
      • 1...Sb6
        • 2.Bd8#
      • 1...Ke7!
    • 1.Be5+?
      • 1...Kf5
        • 2.Scd4#
      • 1...Ke6
        • 2.Sfd4#
      • 1...Sxe5!
  • Keys
    • 1.Bd8+!
      • 1...Kf5
        • 2.Sfd4#
      • 1...Ke6
        • 2.Scd4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::S(F)
    • K(c);P-FLIGHT::S(C)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • B(a);P_SPINB(a)::B(G)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(C);CHECK,XB(a)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • S(d);P_SPINS(d)::B(G)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(G);CHECK
      • Vars
        • K(c);P-FLIGHT::S(F)
        • K(c);P-FLIGHT::S(C)
      • Refutation
        • S(d);XB(G)
  • Actual
    • B(G);CHECK
    • Vars
      • K(c);P-FLIGHT::R(A)+S(C),DCHECK
      • K(c);P-FLIGHT::R(E)+S(F),DCHECK
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