MESON Chess Problem Database

Problem Display
PID: 199440 (8/rB3bp1/2R5/1p4Q1/n2k1p2/3P4/2P2Kn1/8 w - - 0 1)

Bouchez, Laurent

Phenix, 1993

8/rB3bp1/2R5/1p4Q1/n2k1p2/3P4/2P2Kn1/8

#2

6 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Qxg7#
    • 1...Sb2
      • 2.Qc5#
    • 1...Sc3
      • 2.Qc5#
    • 1...Sc5
      • 2.Qxc5#
    • 1...Sb6
      • 2.Qc5#
  • Tries
    • 1.Qxf4+?
      • 1...Kd5
        • 2.Qd6#
        • 2.Qe4#
      • 1...Sxf4!
    • 1.Qf6+?
      • 1...Kd5
        • 2.Qd6#
      • 1...gxf6!
  • Keys
    • 1.Rc5!
      • threat
        • 2.Qe5#
      • 1...Sxc5
        • 2.Qxg7#
      • 1...Bd5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • B(g);SBLOCK::QAB(D),XP(h)
    • S(b);N_GUARD::QAB1(D)
    • S(b);N_GUARD::QAB1(D),XS(b)
  • Tries
    • Try
      • Q(D);CHECK,XP(d)
      • Refutation
        • S(a);XQ(D)
    • Try
      • Q(D);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(D)
      • Refutation
        • P(h);XQ(D)
  • Actual
    • R(E);
    • Threat
      • QAB1(D)
    • Vars
      • S(b);SBLOCK,XR(E)::QAB(D),XP(h)
      • B(g);N_GUARD::QAR1(D),XB(g)
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