MESON Chess Problem Database

Problem Display
PID: 7428 (1b2KB2/2R5/r1P1pR2/3Nk3/4p2P/1bP1N1P1/3n4/8 w - - 0 1)

Slesarenko, Anatoly Vasilevich

3rd Prize, Sushkov-60 JT (Zadachi i Etyudy), 1999

1b2KB2/2R5/r1P1pR2/3Nk3/4p2P/1bP1N1P1/3n4/8

#2

10 + 7

23 Die Schwalbe 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd5
      • 2.Sg4#
    • 1...exd5
      • 2.Sg4#
  • Tries
    • 1.Kd7?
      • threat
        • 2.Bd6#
        • 2.Rxe6#
      • 1...Bxd5
        • 2.Sg4#
      • 1...Bxc7
        • 2.Rxe6#
      • 1...exd5
        • 2.Sg4#
        • 2.Rf5#
        • 2.Re6#
      • 1...Sc4
        • 2.Rxe6#
      • 1...Rxc6!
    • 1.Ke7?
      • threat
        • 2.Rxe6#
      • 1...Bxd5
        • 2.Sg4#
      • 1...exd5
        • 2.Sg4#
        • 2.Rf5#
        • 2.Re6#
      • 1...Rxc6!
    • 1.Kf7?
      • threat
        • 2.Rxe6#
      • 1...Bxd5
        • 2.Sg4#
      • 1...exd5
        • 2.Sg4#
        • 2.Bd6#
        • 2.Rf5#
        • 2.Re6#
        • 2.Re7#
      • 1...Rxc6!
    • 1.Rd7?
      • threat
        • 2.Sg4#
      • 1...Bd6
        • 2.Bxd6#
      • 1...Bd1!
    • 1.Rg7?
      • threat
        • 2.Rg5#
      • 1...Bxd5
        • 2.Sg4#
      • 1...exd5
        • 2.Sg4#
      • 1...Sf3!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Sg4#
      • 1...Kxf6
        • 2.Bg7#
      • 1...Bd1
        • 2.Rxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(b);SBLOCK,XS(E)::S(B)
    • P(f);SBLOCK,XS(E)::S(B)
  • Tries
    • Try
      • K(I);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • B(b);SBLOCK,XS(E)::S(B)
        • B(g);XR(H)::R1(G),XP(f)
        • S(a);::R1(G),XP(f)
      • Refutation
        • R(e);XP(F)
    • Try
      • K(I);P-FLIGHT
      • Threat
        • R1(G),XP(f)
      • Vars
        • B(b);SBLOCK,XS(E)::S(B)
      • Refutation
        • R(e);XP(F)
    • Try
      • K(I);S_FLIGHT
      • Threat
        • R1(G),XP(f)
      • Vars
        • B(b);SBLOCK,XS(E)::S(B)
      • Refutation
        • R(e);XP(F)
    • Try
      • R(H);
      • Threat
        • S(B)
      • Vars
        • B(g);N_GUARD::B(J),XB(g)
      • Refutation
        • B(b);
    • Try
      • R(H);
      • Threat
        • R(H)
      • Vars
        • B(b);SBLOCK,XS(E)::S(B)
        • P(f);SBLOCK,XS(E)::S(B)
      • Refutation
        • S(a);
  • Actual
    • S(E);
    • Threat
      • S(B)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XR(G)::B(J)
      • B(b);N_GUARD::R1(G),XP(f)
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