MESON Chess Problem Database

Problem Display
PID: 140919 (8/8/2n2r2/2QN2b1/KpN1k3/7B/4P3/8 w - - 0 1)

Blazek, Miloslav

Vecern, 1956

8/8/2n2r2/2QN2b1/KpN1k3/7B/4P3/8

#2

6 + 5

15148 Sadier Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.Sxf6#
  • Tries
    • 1.Sc3+?
      • 1...Kf4
        • 2.Qf2#
        • 2.Qe3#
      • 1...bxc3!
    • 1.Sxf6+?
      • 1...Kf4
        • 2.Qf2#
        • 2.Qe3#
      • 1...Bxf6!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Qe3#
      • 1...Kxf4
        • 2.Qe3#
      • 1...Rxf4
        • 2.Sd2#
        • 2.Sd6#
      • 1...Bxf4
        • 2.Bg2#
      • 1...Sd4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD,SBLOCK::S(F),XR(e)
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • P(a);XS(F)
    • Try
      • S(F);CHECK,XR(e)
      • Refutation
        • B(c);XS(F)
  • Actual
    • S(F);
    • Threat
      • QAR1(E)
    • Vars
      • K(b);P-FLIGHT,XS(F)::QAB1(E)
      • B(c);SBLOCK,XS(F)::B(B)
      • S(d);N_GUARD::QAR1(E)
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