MESON Chess Problem Database

Problem Display
PID: 175498 (Q7/4bp2/5R2/2NNk2K/8/2P5/2n5/8 w - - 0 1)

Kondelik, Karel

Pesti Naplo, 1899

Q7/4bp2/5R2/2NNk2K/8/2P5/2n5/8

#2

6 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qb8+?
      • 1...Bd6
        • 2.Qxd6#
      • 1...Kxd5!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sg4#
        • 2.Sd7#
      • 1...Kxf6
        • 2.Qh8#
      • 1...Bxc5
        • 2.Sg4#
      • 1...Bxf6
        • 2.Qb8#
      • 1...Sxe3
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::QAB1(F),XB(c)
      • Refutation
        • K(b);P-FLIGHT,XS(C)
  • Actual
    • S(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XR(E)::QAB(F)
      • B(c);XS(B)::S(C)
      • B(c);N_GUARD,SBLOCK,XR(E)::QAB(F)
      • S(a);XS(C)::S(B)
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Developed and maintained by Brian Stephenson.
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