MESON Chess Problem Database

Problem Display
PID: 136635 (1nK1krr1/4ppp1/2p5/5Nb1/8/6Q1/8/8 w - - 0 1)

Gavrilovski, Zoran

Liga Problemista, 1989/2

1nK1krr1/4ppp1/2p5/5Nb1/8/6Q1/8/8

#2

3 + 9

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Rh8
      • 2.Sxg7#
  • Tries
    • 1.Qxg5?
      • threat
        • 2.Qxe7#
      • 1...e5
        • 2.Sd6#
        • 2.Qe7#
        • 2.Qd8#
      • 1...e6
        • 2.Sd6#
        • 2.Qe7#
        • 2.Qd8#
      • 1...f6!
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qd8#
      • 1...f6
        • 2.Qxe7#
      • 1...e5
        • 2.Sd6#
      • 1...e6
        • 2.Sd6#

This is a version of 3221

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(i);N_GUARD::S(B),XP(e)
  • Tries
    • Try
      • Q(A);XB(a)
      • Threat
        • QAR1(A),XP(c)
      • Refutation
        • P(d);
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • P(d);S_CUTB(a)::QAR1(A),XP(c)
      • P(c);N_GUARD::S(B)
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