MESON Chess Problem Database

Problem Display
PID: 207194 (8/8/4K3/8/4k3/1P5Q/4N3/8 w - - 0 1)

Wehse, Wilhelm

Svetozor, 1868

8/8/4K3/8/4k3/1P5Q/4N3/8

#2

4 + 1

5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Ke7?
      • 1...Ke5
        • 2.Qe6#
      • 1...Kd5!
    • 1.Kf7?
      • 1...Ke5
        • 2.Qe6#
      • 1...Kd5!
  • Keys
    • 1.Kd7!
      • 1...Kd5
        • 2.Qf5#
      • 1...Ke5
        • 2.Qe6#

This anticipates 132928(1985), 161760(1998), 16120(2000)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(D);S_FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAR2(C)
      • K(a);P-FLIGHT::QAR1(C)
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