MESON Chess Problem Database

Problem Display
PID: 10297 (3n1n2/3PkP2/4p3/4B3/8/2PR1RP1/4K3/4Q3 w - - 0 1)

Fontaine, Leon

Problem (Zagreb), 1963

3n1n2/3PkP2/4p3/4B3/8/2PR1RP1/4K3/4Q3

#2

9 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Sxf7
      • 2.Bf6#
    • 1...Sxd7
      • 2.Bd6#
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qa3#
        • 2.Qg5#
      • 1...Sxf7
        • 2.Bf6#
      • 1...Sxd7
        • 2.Bd6#
      • 1...Sc6
        • 2.Qg5#
      • 1...Sb7
        • 2.Qg5#
      • 1...Sg6
        • 2.Qa3#
      • 1...Sh7
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(c);SBLOCK,XP(I)::B(G)
    • S(d);SBLOCK,XP(H)::B(G)
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • S(c);SBLOCK,XP(I)::B(G)
      • S(d);SBLOCK,XP(H)::B(G)
      • S(c);::QAB(A)
      • S(d);::QAB(A)
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