MESON Chess Problem Database

Problem Display
PID: 152996 (6BR/4R2b/6kN/8/5K2/8/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Schweizerische Schachzeitung, 2001

6BR/4R2b/6kN/8/5K2/8/8/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Sg4?
      • 1...Bxg8
        • 2.Rh6#
      • 1...Kh5!
    • 1.Bxh7+?
      • 1...Kf6
        • 2.Sg8#
      • 1...Kxh6
        • 2.Bb1#
        • 2.Bc2#
        • 2.Bd3#
        • 2.Be4#
        • 2.Bf5#
      • 1...Kh5!
    • 1.Rhxh7?
      • 1...Kf6
        • 2.Re6#
      • 1...Kh5!
  • Keys
    • 1.Sf5!
      • 1...Kh5
        • 2.Bf7#
      • 1...Kf6
        • 2.Re6#
      • 1...Bxg8
        • 2.Rh6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • B(b);OGATE,XB(D)::R1(E)
      • Refutation
        • K(a);P_SPINB(b),S_FLIGHT
    • Try
      • B(D);CHECK,XB(b)
      • Vars
        • K(a);P-FLIGHT::S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);XB(b)
      • Vars
        • K(a);P-FLIGHT::R1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);P_SPINB(b),S_FLIGHT::B(D)
      • K(a);P-FLIGHT::R1(C)
      • B(b);OGATE,XB(D)::R1(E)
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