MESON Chess Problem Database

Problem Display
PID: 18921 (5Nk1/Q3Kn2/8/8/3B4/8/8/8 w - - 0 1)

Landau, Z

Comm., Israel Ring Ty., 1959

5Nk1/Q3Kn2/8/8/3B4/8/8/8

#2

4 + 2

2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Tries
    • 1.Ke8?
      • threat
        • 2.Qxf7#
      • 1...Se5
        • 2.Qh7#
      • 1...Sg5
        • 2.Qg7#
      • 1...Sh6
        • 2.Qg7#
        • 2.Qh7#
      • 1...Sd8
        • 2.Qg7#
        • 2.Qh7#
      • 1...Sh8
        • 2.Qg7#
        • 2.Qh7#
      • 1...Sd6+!
  • Keys
    • 1.Kf6!
      • 1...Kxf8
        • 2.Qxf7#
      • 1...Kh8
        • 2.Kxf7#
      • 1...Se5
        • 2.Qg7#
      • 1...Sg5
        • 2.Qg7#
      • 1...Sd6
        • 2.Qg7#
      • 1...Sh6
        • 2.Qg7#
      • 1...Sd8
        • 2.Qg7#
      • 1...Sh8
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • QAB1(B),XS(a)
      • Vars
        • S(a);OGATE::QAB1(B)
        • S(a);OGATE::QAR1(B)
      • Refutation
        • S(a);CHECK
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • K(b);P-FLIGHT,XS(D)::QAR1(B),XS(a)
      • K(b);P-FLIGHT::B(A)+K(C),XS(a)
      • S(a);OGATE::QAR1(B)
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