MESON Chess Problem Database

Problem Display
PID: 171224 (1KN2B2/4N3/2p1pp2/4kp2/3npn2/4p3/8/8 w - - 0 1)

Romanovskis, Vladimirs

Sachmatija, 2012

1KN2B2/4N3/2p1pp2/4kp2/3npn2/4p3/8/8

#2

4 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sd5
      • 2.Sg6#
  • Tries
    • 1.Sg6+?
      • 1...Kd5
        • 2.Sb6#
      • 1...Sxg6!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Sc4#
      • 1...Kd6
        • 2.Sg6#
      • 1...Sc2
        • 2.Sxc6#
      • 1...Sde2
        • 2.Sxc6#
      • 1...Sb3
        • 2.Sxc6#
      • 1...Sf3
        • 2.Sxc6#
      • 1...Sb5
        • 2.Sxc6#
      • 1...Sfe2
        • 2.Sg6#
      • 1...Sg2
        • 2.Sg6#
      • 1...Sd3
        • 2.Sg6#
      • 1...Sh3
        • 2.Sg6#
      • 1...Sd5
        • 2.Sg6#
      • 1...Sh5
        • 2.Sg6#
      • 1...Sg6
        • 2.Sxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD,SBLOCK::S(A)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(e);P-FLIGHT::S(C)
      • Refutation
        • S(d);XS(A)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(e);S_FLIGHT::B(D)+S(A)
      • S(b);N_GUARD::S(A),XP(g)
      • S(d);N_GUARD::S(A)
      • S(d);N_GUARD::S(A),XS(d)
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