MESON Chess Problem Database

Problem Display
PID: 117358 (5K2/8/5N2/5Nk1/8/8/3PQ3/8 w - - 0 1)

Lyalyushkin, Yuri Konstantinovich

Sahovska Kompozicia, 1990

5K2/8/5N2/5Nk1/8/8/3PQ3/8

#2

5 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Se7?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh6
        • 2.Qh5#
        • 2.Qe3#
      • 1...Kxf6!
  • Keys
    • 1.Sh4!
      • 1...Kf4
        • 2.Qe3#
      • 1...Kxh4
        • 2.Qg4#
      • 1...Kxf6
        • 2.Qe7#
      • 1...Kh6
        • 2.Qh5#
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT,XS(C)::QAR1(B)
      • K(a);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
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