MESON Chess Problem Database

Problem Display
PID: 264472 (8/8/NK2Q3/8/3k4/2ppp3/8/8 w - - 0 1)

Kozhakina, Alena Vladimirova

Schweizerische Schachzeitung, 2011

8/8/NK2Q3/8/3k4/2ppp3/8/8

#2

3 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Sb4?
      • threat
        • 2.Sc6#
        • 2.Qd5#
      • 1...d2
        • 2.Qd5#
      • 1...e2
        • 2.Sc6#
      • 1...c2!
    • 1.Sc5?
      • threat
        • 2.Sb3#
        • 2.Qe4#
      • 1...d2
        • 2.Qe4#
      • 1...c2!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Sb5#
        • 2.Qd5#
      • 1...c2
        • 2.Sb5#
      • 1...d2
        • 2.Qd5#
      • 1...e2
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAR1(C)
        • P(c);::S(A)
      • Refutation
        • P(a);
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAR1(C)
      • Refutation
        • P(a);
  • Actual
    • S(A);
    • Threat
      • DUALS(2)
    • Vars
      • P(a);::S(A)
      • P(b);::QAR1(C)
      • P(c);::S(A)
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