MESON Chess Problem Database

Problem Display
PID: 258134 (2B5/8/1p6/1k2N3/4N3/8/2KQ4/8 w - - 0 1)

Shumarin, Vladimir Pavlovich

3rd Comm., Astafyeva-30 JT (Lightweights) (Kudesnik), 2021

2B5/8/1p6/1k2N3/4N3/8/2KQ4/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Sf7?
      • 1...Kc4
        • 2.Sfd6#
      • 1...Kc6
        • 2.Qd7#
      • 1...Ka4!
  • Keys
    • 1.Sc6!
      • 1...Ka4
        • 2.Qb4#
      • 1...Kc4
        • 2.Qd3#
      • 1...Kxc6
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::S(D)
        • K(a);N_GUARD,S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAR1(B)
      • K(a);N_GUARD,S_FLIGHT::QAB1(B)
      • K(a);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
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