MESON Chess Problem Database

Problem Display
PID: 99722 (B7/3n4/3n3Q/4k3/1KPN3p/4p3/8/3R4 w - - 0 1)

Zoltan, Laszlo

Magyar Sakkelet, 1976

B7/3n4/3n3Q/4k3/1KPN3p/4p3/8/3R4

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sf5
      • 2.Sf3#
  • Tries
    • 1.Qg7+?
      • 1...Kf4
        • 2.Rf1#
      • 1...Sf6!
  • Keys
    • 1.Rf1!
      • threat
        • 2.Qf4#
      • 1...Kxd4
        • 2.Qxd6#
      • 1...Se4
        • 2.Sc6#
      • 1...Sf5
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(d);SBLOCK::S(D)
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(c);S_FLIGHT::R(A)
      • Refutation
        • S(e);P_SPINS(e)
  • Actual
    • R(A);
    • Threat
      • QAB1(E)
    • Vars
      • K(c);S_FLIGHT,XS(D)::QAR2(E),XS(d)
      • S(d);SBLOCK::S(D)
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