MESON Chess Problem Database

Problem Display
PID: 87268 (3B4/1kP5/6R1/5N2/2K5/8/8/8 w - - 0 1)

Cyrulik, Stepan Pavlovich

Zujevas, Nikolajus

Shakh-M (Borovich), 1989

3B4/1kP5/6R1/5N2/2K5/8/8/8

#2

5 + 1

6490 yacpdb 2009
5454 Near Snap 2010

SOLUTION

  • SOUND
  • Tries
    • 1.c8Q+?
      • 1...Ka7
        • 2.Bb6#
        • 2.Ra6#
        • 2.Rg7#
      • 1...Kxc8!
  • Keys
    • 1.Rg7!
      • 1...Ka6
        • 2.c8Q#
        • 2.c8B#
      • 1...Kb6
        • 2.c8Q#
      • 1...Kc6
        • 2.c8Q#
        • 2.c8R#
      • 1...Ka7
        • 2.c8Q#
      • 1...Ka8
        • 2.c8Q#
        • 2.c8R#
      • 1...Kc8
        • 2.Sd6#

Anticipated by 24364(1890), 206712(1925)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(D);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(D)
  • Actual
    • R(C);
    • Vars
      • K(a);S_FLIGHT::P=Q
      • K(a);P-FLIGHT::P=Q
      • K(a);S_FLIGHT::S(B)
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