MESON Chess Problem Database

Problem Display
PID: 76911 (K7/1N6/QPk5/5B2/3p1N2/4p3/1n1q4/8 w - - 0 1)

Pituk, Alexander

Alexander Pituk Chess Compositions II (Torok/Labai), 2005

K7/1N6/QPk5/5B2/3p1N2/4p3/1n1q4/8

#2

6 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Sg6?
      • threat
        • 2.Se7#
      • 1...Kd5
        • 2.Qb5#
      • 1...Qb4!
    • 1.Qc4+?
      • 1...Kxb6
        • 2.Sd5#
      • 1...Sxc4!
    • 1.Qa4+?
      • 1...Kxb6
        • 2.Sd5#
      • 1...Sxa4!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Se7#
      • 1...Kxd5
        • 2.Qb5#
      • 1...Qb4
        • 2.Sxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • K(e);S_FLIGHT::QAR2(C)
      • Refutation
        • Q(b);
    • Try
      • Q(C);CHECK
      • Vars
        • K(e);P-FLIGHT,XP(D)::S(A)
      • Refutation
        • S(a);XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(e);P-FLIGHT,XP(D)::S(A)
      • Refutation
        • S(a);XQ(C)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • K(e);S_FLIGHT,XS(A)::QAR2(C)
      • Q(b);N_GUARD::S(A),XQ(b)
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