MESON Chess Problem Database

Problem Display
PID: 200475 (8/B7/8/8/p2KB3/4R3/4Pk2/R6n w - - 0 1)

Surkov, Ruslan Albertovich

4th Comm., Sachova skladba, 2000

8/B7/8/8/p2KB3/4R3/4Pk2/R6n

#2

6 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Bb8?
      • 1...Sg3
        • 2.Bxg3#
      • 1...a3!
    • 1.Rc3?
      • 1...Kxe2
        • 2.Rc2#
      • 1...Sg3
        • 2.Kd3#
      • 1...a3!
  • Keys
    • 1.Rea3!
      • 1...Kxe2
        • 2.R3a2#
      • 1...Sg3
        • 2.Kd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);
      • Vars
        • S(a);N_GUARD::B(F),XS(a)
      • Refutation
        • P(c);
    • Try
      • R(C);
      • Vars
        • K(b);OGATEB,P-FLIGHT,XP(B)::R(C)
        • S(a);SBLOCK::B(F)+K(D)
      • Refutation
        • P(c);
  • Actual
    • R(C);
    • Vars
      • K(b);OGATEB,P-FLIGHT,XP(B)::R(C)
      • S(a);SBLOCK::B(F)+K(D)
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