MESON Chess Problem Database

Problem Display
PID: 230347 (3R4/1p1B4/1K6/8/4N3/3kN3/8/B4R2 w - - 0 1)

Sheratsov, V

Zadachi i Etyudi, 2001

3R4/1p1B4/1K6/8/4N3/3kN3/8/B4R2

#2

7 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Sg2?
      • 1...Kc2
        • 2.Ba4#
      • 1...Ke2
        • 2.Bb5#
      • 1...Kxe4
        • 2.Bf5#
      • 1...Kc4!
    • 1.Sg4?
      • 1...Kc2
        • 2.Ba4#
      • 1...Ke2
        • 2.Bb5#
      • 1...Kxe4
        • 2.Bf5#
      • 1...Kc4!
    • 1.Bd4?
      • 1...Ke2
        • 2.Bb5#
      • 1...Kxe4
        • 2.Bf5#
      • 1...Kxd4!
    • 1.Bb5+?
      • 1...Kxe4
        • 2.Re8#
      • 1...Kxe3!
  • Keys
    • 1.Sc2!
      • 1...Kxc2
        • 2.Ba4#
      • 1...Ke2
        • 2.Bb5#
      • 1...Kc4
        • 2.Be6#
      • 1...Kxe4
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(F)
        • K(a);S_FLIGHT,XS(D)::B(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(F)
        • K(a);S_FLIGHT,XS(D)::B(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::B(F)
        • K(a);OGATEB,S_FLIGHT,XS(D)::B(F)
      • Refutation
        • K(a);P-FLIGHT,XB(A)
    • Try
      • B(F);CHECK
      • Vars
        • K(a);S_FLIGHT,XS(D)::R(G)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT,XS(C)::B(F)
      • K(a);S_FLIGHT::B(F)
      • K(a);S_FLIGHT,XS(D)::B(F)
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