MESON Chess Problem Database

Problem Display
PID: 180461 (6K1/1R1rP1P1/2k2BR1/2N1P1P1/1PP5/8/8/8 w - - 0 1)

Lider, Valentin Viktorovich

Problemas, 1979

6K1/1R1rP1P1/2k2BR1/2N1P1P1/1PP5/8/8/8

#2

11 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe7
      • 2.Bxe7#
    • 1...Rd8+
      • 2.exd8S#
  • Keys
    • 1.e8R!
      • 1...Rxg7+
        • 2.Bxg7#
      • 1...Rxb7
        • 2.Bd8#
      • 1...Rd1
        • 2.Rc8#
      • 1...Rd2
        • 2.Rc8#
      • 1...Rd3
        • 2.Rc8#
      • 1...Rd4
        • 2.Rc8#
      • 1...Rd5
        • 2.Rc8#
      • 1...Rd6
        • 2.Rc8#
      • 1...Rc7
        • 2.Be7#
        • 2.Bd8#
        • 2.Re6#
      • 1...Re7
        • 2.Bxe7#
      • 1...Rf7
        • 2.Re6#
      • 1...Rd8
        • 2.Bxd8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • R(b);OGATE,XP(I)::R(G)+B(F),XR(b)
    • R(b);CHECK,OGATE::PXR(b)=S
  • Actual
    • P(I);
    • Vars
      • R(b);CHECK,OGATE,XP(J)::R(G)+B(F),XR(b)
      • R(b);N_GUARD,XR(H)::R(G)+B(F)
      • R(b);N_GUARD::R(I)
      • R(b);N_GUARD::R(G)+B(F),XR(b)
      • R(b);N_GUARD,P_PINR(I)::R(G)+B(F),XR(b)
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