MESON Chess Problem Database

Problem Display
PID: 74952 (4N3/8/P1PNP3/3k3B/K2B2P1/4P3/4P3/8 w - - 0 1)

Grassano, Carlos A

Problem Online, 2006

4N3/8/P1PNP3/3k3B/K2B2P1/4P3/4P3/8

#2

11 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Sf5?
      • 1...Ke4
        • 2.Sf6#
      • 1...Kxc6
        • 2.Se7#
      • 1...Kxe6
        • 2.Sc7#
      • 1...Kc4!
    • 1.Bg6?
      • 1...Kxc6
        • 2.Be4#
      • 1...Kxe6!
    • 1.g5?
      • 1...Kxc6
        • 2.Bf3#
      • 1...Kxe6!
    • 1.a7?
      • 1...Kxc6
        • 2.a8Q#
        • 2.a8B#
      • 1...Kxe6!
  • Keys
    • 1.Sc8!
      • 1...Kc4
        • 2.Sb6#
      • 1...Ke4
        • 2.Sf6#
      • 1...Kxc6
        • 2.Se7#
      • 1...Kxe6
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(I);
      • Vars
        • K(a);S_FLIGHT::S(K)
        • K(a);S_FLIGHT,XP(H)::S(I)
        • K(a);S_FLIGHT,XP(J)::S(K)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(a);S_FLIGHT,XP(H)::B(F)
      • Refutation
        • K(a);S_FLIGHT,XP(J)
    • Try
      • P(E);
      • Vars
        • K(a);S_FLIGHT,XP(H)::B(F)
      • Refutation
        • K(a);S_FLIGHT,XP(J)
    • Try
      • P(G);
      • Vars
        • K(a);S_FLIGHT,XP(H)::P=Q
      • Refutation
        • K(a);S_FLIGHT,XP(J)
  • Actual
    • S(I);
    • Vars
      • K(a);S_FLIGHT::S(I)
      • K(a);S_FLIGHT::S(K)
      • K(a);S_FLIGHT,XP(H)::S(I)
      • K(a);S_FLIGHT,XP(J)::S(K)
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