MESON Chess Problem Database

Problem Display
PID: 10859 (8/7Q/3k4/3P4/2P5/8/2K5/5R2 w - - 0 1)

Lokker, Miklosh S

Mini-Matt, 1969

8/7Q/3k4/3P4/2P5/8/2K5/5R2

#2

5 + 1

3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kd3?
      • 1...Ke5
        • 2.Qh2#
        • 2.Qc7#
        • 2.Qe7#
      • 1...Kc5!
    • 1.Rf4?
      • 1...Ke5
        • 2.Qc7#
      • 1...Kc5!
    • 1.Qf7?
      • 1...Ke5
        • 2.Qf4#
      • 1...Kc5!
  • Keys
    • 1.Kc3!
      • 1...Kc5
        • 2.Qc7#
      • 1...Ke5
        • 2.Qe7#

This anticipates 214873(1975)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);S_FLIGHT::QAB(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAR2(E)
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