MESON Chess Problem Database

Problem Display
PID: 10652 (8/8/8/2p5/B1R5/8/6R1/3r1k1K w - - 0 1)

Lukyanov, Valentin Volodimirovich

Sovietskaya Moldova, 1966

8/8/8/2p5/B1R5/8/6R1/3r1k1K

#2

4 + 3

3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Rxc1#
    • 1...Re1
      • 2.Rf4#
  • Tries
    • 1.Rcc2?
      • threat
        • 2.Rg1#
      • 1...Ke1
        • 2.Rg1#
      • 1...Rd2!
  • Keys
    • 1.Bb5!
      • 1...Ke1
        • 2.Re4#
      • 1...Ra1
        • 2.Rc1#
      • 1...Rb1
        • 2.Rc1#
      • 1...Rc1
        • 2.Rxc1#
      • 1...Re1
        • 2.Rf4#
      • 1...Rd2
        • 2.Rc1#
      • 1...Rd3
        • 2.Rc1#
      • 1...Rd4
        • 2.Rc1#
      • 1...Rd5
        • 2.Rc1#
      • 1...Rd6
        • 2.Rc1#
      • 1...Rd7
        • 2.Rc1#
      • 1...Rd8
        • 2.Rc1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • R(a);OGATEB::R(D),XR(a)
    • R(a);SBLOCK::R(D)
  • Tries
    • Try
      • R(D);
      • Threat
        • R1(B)
      • Vars
        • K(b);P-FLIGHT::R(B)
      • Refutation
        • R(a);
  • Actual
    • B(C);
    • Vars
      • K(b);P-FLIGHT::R(D)
      • R(a);::B(C)+R(D),DCHECK
      • R(a);::B(C)+R(D),DCHECK,XR(a)
      • R(a);SBLOCK::B(C)+R(D),DCHECK
      • R(a);S_CUTP(c)::R(D)
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