MESON Chess Problem Database

Problem Display
PID: 16012 (7q/8/2B2P2/2NP4/pBk5/K3P3/P1P5/8 w - - 0 1)

Tkachenko, Sergiy Ivanovich

idee & form, 2000

7q/8/2B2P2/2NP4/pBk5/K3P3/P1P5/8

#2

9 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • threat
        • 2.Sb2#
        • 2.Se5#
      • 1...Qh2
        • 2.Sb2#
      • 1...Qh5
        • 2.Sb2#
      • 1...Qb8
        • 2.Sb2#
      • 1...Qe8
        • 2.Sb2#
      • 1...Qxf6!
    • 1.Sxa4?
      • threat
        • 2.Sb2#
        • 2.Sb6#
      • 1...Qxf6
        • 2.Sb6#
      • 1...Qb8
        • 2.Sb2#
      • 1...Qd8
        • 2.Sb2#
      • 1...Qa8!
    • 1.Se4?
      • threat
        • 2.Sd2#
        • 2.Sd6#
      • 1...Qxf6
        • 2.Sd2#
      • 1...Qb8
        • 2.Sd2#
      • 1...Qd8
        • 2.Sd2#
      • 1...Qf8
        • 2.Sd2#
      • 1...Qh2!
    • 1.Sb7?
      • threat
        • 2.Sa5#
        • 2.Sd6#
      • 1...Qxf6
        • 2.Sa5#
      • 1...Qh2
        • 2.Sa5#
      • 1...Qa8
        • 2.Sd6#
      • 1...Qb8
        • 2.Sa5#
      • 1...Qf8
        • 2.Sa5#
      • 1...Qd8!
    • 1.Sd7?
      • threat
        • 2.Se5#
        • 2.Sb6#
      • 1...Qxf6
        • 2.Sb6#
      • 1...Qh2
        • 2.Sb6#
      • 1...Qh5
        • 2.Sb6#
      • 1...Qd8
        • 2.Se5#
      • 1...Qe8
        • 2.Sb6#
      • 1...Qb8!
  • Keys
    • 1.Sb3!
      • threat
        • 2.Sd2#
        • 2.Sa5#
      • 1...axb3
        • 2.axb3#
      • 1...Qh2
        • 2.Sa5#
      • 1...Qa8
        • 2.Sd2#
      • 1...Qd8
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);::S(F)
      • Refutation
        • Q(c);XP(I)
    • Try
      • S(F);XP(a)
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);XP(I)::S(F)
        • Q(c);::S(F)
      • Refutation
        • Q(c);P_PINS(F)
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);XP(I)::S(F)
        • Q(c);::S(F)
        • Q(c);P_PINB(E)::S(F)
      • Refutation
        • Q(c);
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);XP(I)::S(F)
        • Q(c);::S(F)
        • Q(c);P_PINB(E)::S(F)
      • Refutation
        • Q(c);
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);XP(I)::S(F)
        • Q(c);::S(F)
      • Refutation
        • Q(c);
  • Actual
    • S(F);
    • Threat
      • DUALS(2)
    • Vars
      • P(a);OGATE,XS(F)::P(A),XP(a)
      • Q(c);::S(F)
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