MESON Chess Problem Database

Problem Display
PID: 99638 (3QbN2/3p4/3k4/3P4/3K4/8/8/8 w - - 0 1)

Bajtay, Jozsef

Lazard, Frederic

Magyar Sakkvilag, 1926

3QbN2/3p4/3k4/3P4/3K4/8/8/8

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bh5
      • 2.Qxd7#
    • 1...Bg6
      • 2.Qxd7#
    • 1...Bf7
      • 2.Qxd7#
  • Tries
    • 1.Sxd7?
      • 1...Bh5
        • 2.Sc5#
        • 2.Se5#
        • 2.Sb6#
        • 2.Sf6#
        • 2.Sb8#
        • 2.Sf8#
      • 1...Bg6
        • 2.Sc5#
        • 2.Se5#
        • 2.Sb6#
        • 2.Sf6#
        • 2.Sb8#
        • 2.Sf8#
      • 1...Bf7
        • 2.Sc5#
        • 2.Se5#
        • 2.Sb6#
        • 2.Sf6#
        • 2.Sb8#
        • 2.Sf8#
      • 1...Bxd7!
  • Keys
    • 1.Se6!
      • 1...Bh5
        • 2.Qf8#
      • 1...Bg6
        • 2.Qf8#
      • 1...Bf7
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD::QAR1(C),XP(b)
  • Tries
    • Try
      • S(D);XP(b)
      • Refutation
        • B(c);P_SPINB(c),XS(D)
  • Actual
    • S(D);
    • Vars
      • B(c);OGATE::QAB(C)
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