MESON Chess Problem Database

Problem Display
PID: 117073 (1R2K3/5BQ1/8/1P1NP3/2k2N2/R7/1r2pB2/2rq3b w - - 0 1)

Krizhanivsky, Vasil Viktorovich

Ukrainian Championship, 1989

1R2K3/5BQ1/8/1P1NP3/2k2N2/R7/1r2pB2/2rq3b

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Rc3#
    • 1...Rcb1
      • 2.Rc3#
    • 1...Rc3
      • 2.Rxc3#
  • Keys
    • 1.Qf8!
      • threat
        • 2.Qc5#
      • 1...Rxb5
        • 2.Sb6#
      • 1...Qd4
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(a);N_GUARD::R1(B)
    • R(a);N_GUARD::R1(B),XR(a)
  • Actual
    • Q(H);
    • Threat
      • QAR1(H)
    • Vars
      • R(d);SBLOCK,XP(D)::B(G)+S(E),DCHECK
      • Q(b);SBLOCK::B(G)+S(E),DCHECK
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