MESON Chess Problem Database

Problem Display
PID: 102468 (8/8/6Q1/3bN1P1/N1nk4/5B2/4K3/8 w - - 0 1)

Zimmer, Henri

Le Courrier des Echecs, 1957

8/8/6Q1/3bN1P1/N1nk4/5B2/4K3/8

#2

6 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Qf6#
    • 1...Be4
      • 2.Qxe4#
    • 1...Bc6
      • 2.Sxc6#
    • 1...Be6
      • 2.Sc6#
      • 2.Qe4#
    • 1...Bf7
      • 2.Sc6#
      • 2.Qe4#
    • 1...Bg8
      • 2.Sc6#
      • 2.Qe4#
  • Tries
    • 1.Qb6+?
      • 1...Kxe5
        • 2.Qf6#
      • 1...Sxb6!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qxd5#
      • 1...Bxf3+
        • 2.Sxf3#
      • 1...Kxe5
        • 2.Qf6#
      • 1...Bxc6
        • 2.Sxc6#
      • 1...Be4
        • 2.Qxe4#
        • 2.Qc5#
      • 1...Be6
        • 2.Qe4#
        • 2.Qc5#
      • 1...Bf7
        • 2.Qe4#
        • 2.Qc5#
      • 1...Bg8
        • 2.Qe4#
        • 2.Qc5#
      • 1...Se3
        • 2.Qc3#
      • 1...Sb6
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(b);OGATEB,S_FLIGHT,XS(D)::QAB1(F)
    • B(c);N_GUARD::QAR1(F),XB(c)
    • B(c);N_GUARD::S(D),XB(c)
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(D)::QAB1(F)
      • Refutation
        • S(a);XQ(F)
  • Actual
    • Q(F);
    • Threat
      • QAR1(F),XB(c)
    • Vars
      • B(c);CHECK,XB(B)::S(D),XB(c)
      • K(b);OGATEB,S_FLIGHT,XS(D)::QAB1(F)
      • B(c);XQ(F)::S(D),XB(c)
      • S(a);OGATE::QAB1(F)
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