MESON Chess Problem Database

Problem Display
PID: 142239 (6b1/8/N2b2p1/B2P2Q1/n2kP3/3Bp3/2K5/8 w - - 0 1)

Bouchez, Laurent

Phenix, 1989

6b1/8/N2b2p1/B2P2Q1/n2kP3/3Bp3/2K5/8

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Ba3
      • 2.Qf6#
    • 1...Bb4
      • 2.Qf6#
    • 1...Bc5
      • 2.Qf6#
    • 1...Bf8
      • 2.Qf6#
    • 1...Bxd5
      • 2.Qxd5#
    • 1...Sb2
      • 2.Bc3#
    • 1...Sc3
      • 2.Bxc3#
    • 1...Sc5
      • 2.Bc3#
    • 1...Sb6
      • 2.Bc3#
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sb3#
      • 1...Kxc5
        • 2.Qxe3#
      • 1...Bxc5
        • 2.Qf6#
      • 1...Bxd5
        • 2.Qxd5#
      • 1...Sxc5
        • 2.Bc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • B(d);N_GUARD::QAB(F)
    • B(f);OGATE,XP(E)::QAR1(F),XB(f)
    • S(b);N_GUARD::B(D)
    • S(b);N_GUARD::B(D),XS(b)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • K(c);S_FLIGHT,XS(G)::QAB(F),XP(a)
      • B(d);N_GUARD,SBLOCK,XS(G)::QAB(F)
      • B(f);OGATE,XP(E)::QAR1(F),XB(f)
      • S(b);N_GUARD,SBLOCK,XS(G)::B(D)
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