MESON Chess Problem Database

Problem Display
PID: 153147 (1Q6/n7/k7/8/K7/1P2N3/8/8 w - - 0 1)

Lincoln, Robert A

1st HM., Dashkovsky-JT, 2010

1Q6/n7/k7/8/K7/1P2N3/8/8

#2

4 + 2

145 StrateGems 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Qc8+?
      • 1...Kb6
        • 2.Sc4#
        • 2.Sd5#
      • 1...Sxc8!
    • 1.b4?
      • 1...Sc6
        • 2.b5#
      • 1...Sc8
        • 2.b5#
      • 1...Sb5!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sb4#
        • 2.Sc7#
        • 2.Qb6#
      • 1...Sb5
        • 2.Sb4#
        • 2.Qb6#
      • 1...Sc6
        • 2.Sc7#
        • 2.Qb6#
      • 1...Sc8
        • 2.Sb4#
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Refutation
        • S(b);XQ(D)
    • Try
      • P(A);
      • Vars
        • S(b);N_GUARD::P(A)
      • Refutation
        • S(b);
  • Actual
    • S(B);
    • Threat
      • DUALS(3)
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