MESON Chess Problem Database

Problem Display
PID: 181217 (b7/3R4/3p2K1/2NkN3/p2b4/3Pp3/2R5/BQ6 w - - 0 1)

Segers, Marcel

1st HM., Het Belgisch Schaakbord (L'Echiquier Belge), 1991-1992

b7/3R4/3p2K1/2NkN3/p2b4/3Pp3/2R5/BQ6

#2

8 + 6

5110 Bekroonde Problemen 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc5
      • 2.Qa2#
    • 1...Bxe5
      • 2.Qh1#
  • Tries
    • 1.Qb4?
      • threat
        • 2.Qxd4#
      • 1...Kxe5
        • 2.Qxd4#
      • 1...Bxa1
        • 2.Qe4#
      • 1...Bxc5
        • 2.Qc4#
      • 1...Bxe5
        • 2.Qe4#
      • 1...Bb2
        • 2.Qe4#
      • 1...Bc3!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qxd6#
      • 1...Kxe5
        • 2.Qxd6#
      • 1...Bxc5
        • 2.Qg8#
      • 1...Bxe5
        • 2.Qxa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(c);XS(E)::QAB(B)
    • B(c);XS(F)::QAB(B)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR1(B),XB(c)
      • Vars
        • K(d);N_SPINP(e),P-FLIGHT,P_SPINB(c),XS(F)::QAB1(B),XB(c)
        • B(c);OGATE,XB(A)::QAB1(B)
        • B(c);XS(E)::QAB1(B)
        • B(c);OGATE,XS(F)::QAB1(B)
        • B(c);OGATE::QAB1(B)
      • Refutation
        • B(c);
  • Actual
    • Q(B);
    • Threat
      • QAR1(B),XP(e)
    • Vars
      • K(d);P-FLIGHT,P_SPINB(c),XS(F)::QAB1(B),XP(e)
      • B(c);XS(E)::QAB(B)
      • B(c);XS(F)::QAB(B),XB(f)
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