MESON Chess Problem Database

Problem Display
PID: 77503 (8/8/8/8/2B5/2R5/p1R1K3/1k6 w - - 0 1)

Cyrulik, Stepan Pavlovich

Problemist Pribuzhya, 1992

8/8/8/8/2B5/2R5/p1R1K3/1k6

#2

4 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...a1S
      • 2.Ba2#
    • 1...a1B
      • 2.Ba2#
  • Tries
    • 1.Rb3+?
      • 1...Ka1
        • 2.Rc1#
      • 1...Kxc2!
  • Keys
    • 1.Rd2!
      • 1...Ka1
        • 2.Rc1#
      • 1...a1Q
        • 2.Bd3#
      • 1...a1S
        • 2.Ba2#
      • 1...a1B
        • 2.Ba2#
        • 2.Bd3#
      • 1...a1R
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(b);SBLOCK::B(D)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
  • Actual
    • R(A);
    • Vars
      • K(a);P-FLIGHT::R(C)
      • P(b);SBLOCK::B(D)
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