MESON Chess Problem Database

Problem Display
PID: 136182 (N3n3/1R2Kb2/1p3p2/2k5/8/n1P5/5N1p/5QBB w - - 0 1)

Bakcsi, Gyorgy

3rd Prize, Sakkelet, 1997

N3n3/1R2Kb2/1p3p2/2k5/8/n1P5/5N1p/5QBB

#2

8 + 7

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Sd6
      • 2.Rc7#
    • 1...Sc7
      • 2.Rxc7#
    • 1...Sg7
      • 2.Rc7#
  • Tries
    • 1.Sxb6?
      • threat
        • 2.Sa4#
        • 2.Sd7#
      • 1...Bb3
        • 2.Sd7#
      • 1...Be6
        • 2.Sa4#
      • 1...Bd5!
    • 1.Sc7?
      • threat
        • 2.Sa6#
      • 1...Sxc7
        • 2.Rxc7#
      • 1...Bc4
        • 2.Sd3#
      • 1...Sc4
        • 2.Sd3#
      • 1...Bd5!
  • Keys
    • 1.Rxb6!
      • threat
        • 2.Rc6#
      • 1...Bc4
        • 2.Sd3#
      • 1...Bd5
        • 2.Se4#
      • 1...Sc4
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • S(g);N_GUARD::R(F)
    • S(g);N_GUARD::R(F),XS(g)
  • Tries
    • Try
      • S(H);XP(d)
      • Threat
        • DUALS(2)
      • Vars
        • B(f);::S(H)
      • Refutation
        • B(f);
    • Try
      • S(H);
      • Threat
        • S(H)
      • Vars
        • S(g);OGATE,XS(H)::R(F),XS(g)
        • B(f);SBLOCK::B(B)+S(D),DCHECK
        • S(b);SBLOCK::B(B)+S(D),DCHECK
      • Refutation
        • B(f);
  • Actual
    • R(F);XP(d)
    • Threat
      • R1(F)
    • Vars
      • B(f);SBLOCK::B(B)+S(D),DCHECK
      • S(b);SBLOCK::B(B)+S(D),DCHECK
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