MESON Chess Problem Database

Problem Display
PID: 70477 (8/8/4B3/n1P1pp1N/n1p1k3/2p5/N1K3P1/6B1 w - - 0 1)

Burkill, HR

Source?, 0000

8/8/4B3/n1P1pp1N/n1p1k3/2p5/N1K3P1/6B1

#2

7 + 7

187 The Chess Bouquet 1897

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Sxc3#
    • 1...Sxc5
      • 2.Sxc3#
    • 1...Sb6
      • 2.Sxc3#
    • 1...f4
      • 2.Sf6#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Bd5#
      • 1...f4
        • 2.Sf6#
      • 1...Sb6!
    • 1.Bxf5+?
      • 1...Kd5
        • 2.Sb4#
      • 1...Kxf5!
  • Keys
    • 1.Bd7!
      • 1...Kd5
        • 2.Sf6#
      • 1...Sxc5
        • 2.Sxc3#
      • 1...Sb2
        • 2.Sxc3#
      • 1...Sb6
        • 2.Sxc3#
      • 1...Sb3
        • 2.Bc6#
      • 1...Sc6
        • 2.Bxc6#
      • 1...Sb7
        • 2.Bc6#
      • 1...f4
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::S(B),XP(a)
    • S(b);N_GUARD,XP(E)::S(B),XP(a)
    • P(g);SBLOCK::S(F)
  • Tries
    • Try
      • S(B);
      • Threat
        • B(G)
      • Vars
        • P(g);SBLOCK::S(F)
      • Refutation
        • S(b);
    • Try
      • B(G);CHECK,XP(g)
      • Vars
        • K(d);S_FLIGHT::S(B)
      • Refutation
        • K(d);S_FLIGHT,XB(G)
  • Actual
    • B(G);
    • Vars
      • K(d);S_FLIGHT::S(F)
      • S(b);N_GUARD,XP(E)::S(B),XP(a)
      • S(b);N_GUARD::S(B),XP(a)
      • S(e);N_GUARD::B(G)
      • S(e);N_GUARD::B(G),XS(e)
      • P(g);SBLOCK::S(F)
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