MESON Chess Problem Database

Problem Display
PID: 237825 (QB6/8/8/5p2/7p/5K1k/P7/8 w - - 0 1)

Speckmann, Werner

Arbejder-Skak, 1966

QB6/8/8/5p2/7p/5K1k/P7/8

#2

4 + 3

5454 Near Snap 2021
15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kf2?
      • threat
        • 2.Qg2#
        • 2.Qf3#
      • 1...f4
        • 2.Qg2#
      • 1...Kg4!
  • Keys
    • 1.Bg3!
      • 1...hxg3
        • 2.Qh8#
      • 1...f4
        • 2.Qc8#

This anticipates 23067(1996)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(D);
    • Vars
      • P(b);OGATEB,XB(D)::QAR(C)
      • P(c);OGATEB::QAB(C)
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