MESON Chess Problem Database

Problem Display
PID: 180302 (1R6/8/8/p2p4/Kn1N4/B7/p1P1B2p/rk4nR w - - 0 1)

Lider, Valentin Viktorovich

Shakhmaty v SSSR, 1969

1R6/8/8/p2p4/Kn1N4/B7/p1P1B2p/rk4nR

#2

7 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Bd1?
      • 1...Se2
        • 2.Bxe2#
      • 1...Sf3
        • 2.Bxf3#
      • 1...Sh3!
    • 1.Bf1?
      • 1...Se2
        • 2.Bxe2#
      • 1...Sh3
        • 2.Bxh3#
      • 1...Sf3!
  • Keys
    • 1.Bb5!
      • 1...Sxc2
        • 2.Bd3#
      • 1...Sd3
        • 2.Bxd3#
      • 1...Sa6
        • 2.Bxa6#
      • 1...Sc6
        • 2.Bxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);N_PINS(c),P_PINS(f)
      • Vars
        • S(c);OGATEB::R(A)+B(C),XS(c)
      • Refutation
        • S(c);
    • Try
      • B(C);N_PINS(c),P_PINS(f)
      • Vars
        • S(c);OGATEB::R(A)+B(C),XS(c)
      • Refutation
        • S(c);
  • Actual
    • B(C);
    • Vars
      • S(f);OGATEB,XP(B)::R(G)+B(C)
      • S(f);OGATEB::R(G)+B(C),XS(f)
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