MESON Chess Problem Database

Problem Display
PID: 39540 (5K2/8/5N2/4kN2/1P5p/7Q/3P4/8 w - - 0 1)

Lindner, Laszlo

Zaszlonk, 1933

5K2/8/5N2/4kN2/1P5p/7Q/3P4/8

#2

6 + 2

4080 Mattbilder eines Lebens 1996
5454 Near Snap 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Sxh4?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kxf6
        • 2.Qf5#
      • 1...Kd6!
    • 1.Sd6?
      • 1...Kd4
        • 2.Qc3#
        • 2.Qe3#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kxf6
        • 2.Qf5#
      • 1...Kxd6!
    • 1.Sh6?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kxf6
        • 2.Qf5#
      • 1...Kd6!
    • 1.Se7?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kxf6
        • 2.Qf5#
      • 1...Kd6!
    • 1.Sg7?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kxf6
        • 2.Qf5#
      • 1...Kd6!
  • Keys
    • 1.Sd4!
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kd6
        • 2.Qh2#
      • 1...Kxf6
        • 2.Qf5#

Anticipated by 143280(1893)

This is a version

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);XP(a)
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
        • K(b);S_FLIGHT,XS(E)::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
        • K(b);S_FLIGHT,XS(E)::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT,XS(D)
    • Try
      • S(D);
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
        • K(b);S_FLIGHT,XS(E)::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
        • K(b);S_FLIGHT,XS(E)::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
        • K(b);S_FLIGHT,XS(E)::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
      • K(b);S_FLIGHT::QAB1(B)
      • K(b);S_FLIGHT::QAB(B)
      • K(b);S_FLIGHT,XS(E)::QAR1(B)
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