MESON Chess Problem Database

Problem Display
PID: 86907 (4R1BN/3p2k1/8/8/6K1/8/7B/8 w - - 0 1)

Shevchenko, Vitaly Ivanovich

Republika, 1990

4R1BN/3p2k1/8/8/6K1/8/7B/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.Be5#
    • 1...Kxh8
      • 2.Be5#
  • Tries
    • 1.Kg5?
      • threat
        • 2.Be5#
      • 1...Kxh8
        • 2.Be5#
      • 1...d6!
  • Keys
    • 1.Bd6!
      • 1...Kf6
        • 2.Be5#
      • 1...Kh6
        • 2.Bf8#
      • 1...Kxh8
        • 2.Be5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(A)
    • K(b);S_FLIGHT,XS(E)::B(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Threat
        • B(A)
      • Vars
        • K(b);S_FLIGHT,XS(E)::B(A)
      • Refutation
        • P(a);
  • Actual
    • B(A);
    • Vars
      • K(b);S_FLIGHT::B(A)
      • K(b);S_FLIGHT,XS(E)::B(A)
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