MESON Chess Problem Database

Problem Display
PID: 55986 (8/8/8/n7/RN6/B2p1p2/3P1P2/knN1K2R w K - 0 1)

Dyachuk, Vasyl Vasilovich

1st HM., Zuk MT, 2004

8/8/8/n7/RN6/B2p1p2/3P1P2/knN1K2R

#2

8 + 5

102 Probleemblad 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Sxb3#
    • 1...Sc4
      • 2.Sb3#
    • 1...Sc6
      • 2.Sb3#
    • 1...Sb7
      • 2.Sb3#
  • Tries
    • 1.Scxd3?
      • threat
        • 2.Bb2#
      • 1...Sxd2
        • 2.Kxd2#
      • 1...Sxa3
        • 2.0-0#
      • 1...Sc3!
  • Keys
    • 1.0-0!
      • 1...Sxd2
        • 2.Sb3#
      • 1...Sxa3
        • 2.Scxd3#
      • 1...Sc3
        • 2.Sb3#
      • 1...Sb3
        • 2.Sxb3#
      • 1...Sc4
        • 2.Sb3#
      • 1...Sc6
        • 2.Sb3#
      • 1...Sb7
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(e);N_GUARD::S(A),XS(e)
    • S(e);N_GUARD::S(A)
  • Tries
    • Try
      • S(A);XP(c)
      • Threat
        • R(G)+B(F),DCHECK
      • Vars
        • S(b);XP(D)::R(C)+K(B),XS(b)
        • S(b);P_SPINS(b),XB(F)::0-0
      • Refutation
        • S(b);
  • Actual
    • K(B);0-0
    • Vars
      • S(b);XP(D)::R(C)+S(A),DCHECK
      • S(b);P_SPINS(b),XB(F)::R(C)+S(A),XP(c)
      • S(b);::R(C)+S(A),DCHECK
      • S(e);N_GUARD::S(A),XS(e)
      • S(e);N_GUARD::S(A)
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