MESON Chess Problem Database

Problem Display
PID: 165966 (R7/Bp1p4/3p4/kPR1p3/1N1N4/K1p5/8/2n4q w - - 0 1)

Labai, Zoltan

Comm., Sachova skladba, 2012

R7/Bp1p4/3p4/kPR1p3/1N1N4/K1p5/8/2n4q

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sa2
      • 2.Sb3#
    • 1...Se2
      • 2.Sb3#
    • 1...Sb3
      • 2.Sxb3#
    • 1...Sd3
      • 2.Sb3#
    • 1...dxc5
      • 2.Bxc5#
    • 1...d5
      • 2.b6#
  • Tries
    • 1.Sd5?
      • threat
        • 2.Bb6#
        • 2.Bb8#
      • 1...b6
        • 2.Bxb6#
        • 2.Bb8#
      • 1...Qxd5!
  • Keys
    • 1.Rd5!
      • threat
        • 2.Bc5#
      • 1...exd4
        • 2.Bxd4#
      • 1...Qh8
        • 2.b6#
      • 1...b6
        • 2.Bb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • S(a);N_GUARD::S(C)
    • S(a);N_GUARD::S(C),XS(a)
    • P(f);OGATE,XR(E)::R(G)+B(F),XP(f)
    • P(f);N_GUARD::R(E)+P(D)
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Refutation
        • Q(b);XS(B)
  • Actual
    • R(E);
    • Threat
      • R(G)+B(F)
    • Vars
      • P(e);OGATE,XS(C)::R(G)+B(F),XP(e)
      • Q(b);N_GUARD::R(E)+P(D)
      • P(g);SBLOCK::R(G)+B(F)
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