MESON Chess Problem Database

Problem Display
PID: 205055 (5B2/Kp6/3p4/8/1P6/k7/2Q5/8 w - - 0 1)

Kovalenko, Vitaly Semenovich

Zadachi i Etyudi, 1998

5B2/Kp6/3p4/8/1P6/k7/2Q5/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.b5#
  • Tries
    • 1.Kxb7?
      • 1...d5
        • 2.b5#
      • 1...Kxb4!
  • Keys
    • 1.Kb6!
      • 1...Kxb4
        • 2.Bxd6#
      • 1...d5
        • 2.b5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);::B(D)+P(B)
  • Tries
    • Try
      • K(C);P-FLIGHT,XP(c)
      • Vars
        • P(b);::B(D)+P(B)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT,XP(B)
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • K(a);OGATEB,P_SPINP(b),S_FLIGHT,XP(B)::B(D),XP(b)
      • P(b);::B(D)+P(B)
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