MESON Chess Problem Database

Problem Display
PID: 246305 (3R2bK/8/n4pN1/1p1P1P2/3kNB1R/2pPp3/q1p1P3/7B w - - 0 1)

Dragoun, Michal

Schweizerische Schachzeitung, 1995

3R2bK/8/n4pN1/1p1P1P2/3kNB1R/2pPp3/q1p1P3/7B

#2

11 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Se5?
      • threat
        • 2.Sf3#
        • 2.Sc6#
      • 1...Qc4
        • 2.Sf3#
      • 1...Sb4
        • 2.Sf3#
      • 1...Sb8
        • 2.Sf3#
      • 1...fxe5!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Bd6#
      • 1...Kxc5
        • 2.Bxe3#
      • 1...Qxd5
        • 2.Sb3#
      • 1...Bxd5
        • 2.Se6#
      • 1...Sxc5
        • 2.Be5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(I);
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);::S(I)
        • S(g);::S(I)
      • Refutation
        • P(h);XS(I)
  • Actual
    • S(D);
    • Threat
      • R(F)+B(E)
    • Vars
      • K(e);S_FLIGHT,XS(D)::B(E),XP(d)
      • Q(a);N_GUARD,P_SPINQ(a),XP(G)::S(D)
      • B(i);N_GUARD,P_SPINB(i),XP(G)::S(D)
      • S(g);SBLOCK,XS(D)::R(F)+B(E),DCHECK
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