MESON Chess Problem Database

Problem Display
PID: 80435 (8/7Q/K1N1p3/3k4/4N3/8/4P3/8 w - - 0 1)

Amirov, Talip Khasanovich

Evening News, 1962

8/7Q/K1N1p3/3k4/4N3/8/4P3/8

#2

5 + 2

5454 Near Snap 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc6
      • 2.Qb7#
  • Tries
    • 1.Qd7+?
      • 1...Kc4
        • 2.Qxe6#
        • 2.Qd3#
      • 1...Kxe4!
  • Keys
    • 1.Qf7!
      • 1...Kc4
        • 2.Qxe6#
      • 1...Kxe4
        • 2.Qf3#
      • 1...Kxc6
        • 2.Qb7#

Anticipated by 181750(1905), 196580(1918)

This anticipates 28892(1979), 77644(1988), 209096(1988), 198435(1997)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,S_FLIGHT,XS(D)::QAB1(E)
  • Tries
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);S_FLIGHT,XS(B)
  • Actual
    • Q(E);P_PINP(b)
    • Vars
      • K(a);S_FLIGHT::QAB(E),XP(b)
      • K(a);N_SPINP(b),OGATEB,S_FLIGHT,XS(B)::QAB1(E)
      • K(a);N_SPINP(b),OGATEB,S_FLIGHT,XS(D)::QAB1(E)
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Developed and maintained by Brian Stephenson.
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