MESON Chess Problem Database

Problem Display
PID: 108215 (K7/p4Bn1/Q4N1p/p1pp1k2/rR1q4/4nNBp/7P/bb3R2 w - - 0 1)

Bouchez, Laurent

Boletim da UBP, 1996

K7/p4Bn1/Q4N1p/p1pp1k2/rR1q4/4nNBp/7P/bb3R2

#2

9 + 13

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sh5
      • 2.Qe6#
    • 1...Se6
      • 2.Qxe6#
    • 1...Se8
      • 2.Qe6#
  • Tries
    • 1.Se4?
      • threat
        • 2.Qg6#
      • 1...Kxe4
        • 2.Sd2#
      • 1...Kg4
        • 2.Qg6#
      • 1...Se6
        • 2.Qxe6#
      • 1...Qf6!
    • 1.Sxd5?
      • threat
        • 2.Qg6#
      • 1...Ke4
        • 2.Sd2#
      • 1...Kg4
        • 2.Sxe3#
      • 1...Qf6
        • 2.Sxe3#
      • 1...Qg4
        • 2.Sxe3#
        • 2.Se7#
      • 1...Se6
        • 2.Qxe6#
      • 1...Qxd5+!
    • 1.Sg8?
      • threat
        • 2.Qg6#
      • 1...Ke4
        • 2.Sd2#
      • 1...Kg4
        • 2.Sxh6#
      • 1...Qg4
        • 2.Sxh6#
        • 2.Se7#
      • 1...Se6
        • 2.Qxe6#
      • 1...Qf6!
    • 1.Qc8+?
      • 1...Se6
        • 2.Qxe6#
      • 1...Kxf6!
  • Keys
    • 1.Sh7!
      • threat
        • 2.Qg6#
      • 1...Ke4
        • 2.Sd2#
      • 1...Kg4
        • 2.Se5#
      • 1...Qf6
        • 2.Sh4#
      • 1...Qg4
        • 2.Sh4#
      • 1...Se6
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(m);N_GUARD::QAB1(F)
    • S(m);N_GUARD::QAB1(F),XS(m)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAB1(F)
      • Vars
        • K(j);P_SPINQ(f),S_FLIGHT,XS(G)::S(C)
        • K(j);S_FLIGHT::QAR2(F)
        • S(m);N_GUARD::QAB1(F),XS(m)
      • Refutation
        • Q(f);
    • Try
      • S(G);XP(i)
      • Threat
        • QAB1(F)
      • Vars
        • K(j);P_SPINQ(f),S_FLIGHT::S(C)
        • K(j);P_SPINQ(f),S_FLIGHT::S(G),XS(c)
        • Q(f);N_GUARD::S(G),XS(c)
        • S(m);N_GUARD::QAB1(F),XS(m)
      • Refutation
        • Q(f);CHECK,XS(G)
    • Try
      • S(G);
      • Threat
        • QAB1(F)
      • Vars
        • K(j);P_SPINQ(f),S_FLIGHT::S(C)
        • K(j);P_SPINQ(f),S_FLIGHT::S(G),XP(k)
        • S(m);N_GUARD::QAB1(F),XS(m)
      • Refutation
        • Q(f);
    • Try
      • Q(F);CHECK
      • Vars
        • S(m);N_GUARD,P_SPINS(m)::QAB1(F),XS(m)
      • Refutation
        • K(j);P-FLIGHT,XS(G)
  • Actual
    • S(G);
    • Threat
      • QAB1(F)
    • Vars
      • K(j);P_SPINQ(f),S_FLIGHT::S(C)
      • Q(f);::R(A)+S(C),DCHECK
      • S(m);N_GUARD::QAB1(F),XS(m)
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