MESON Chess Problem Database

Problem Display
PID: 138661 (1q2Br2/r4N2/1pb1N1P1/3n2Pk/1p2Qp1P/2b1p2K/8/8 w - - 0 1)

Chepizhni, Viktor Ivanovich

Sp. Prize, Chervoni Girnik, 1985-1986

1q2Br2/r4N2/1pb1N1P1/3n2Pk/1p2Qp1P/2b1p2K/8/8

#2

8 + 11

6167 Viktor Chepizhny 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Sg7#
    • 1...Bd2
      • 2.Sg7#
    • 1...Bg7
      • 2.Sxg7#
    • 1...Sf6
      • 2.Sg7#
    • 1...Sc7
      • 2.Sxf4#
  • Keys
    • 1.Se5!
      • threat
        • 2.Qf3#
      • 1...Sf6
        • 2.Sxf4#
      • 1...Sc7
        • 2.Sg7#
      • 1...Se7
        • 2.Sg7#
      • 1...f3
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • B(a);N_GUARD::S(E)
    • B(a);N_GUARD::S(E),XB(a)
    • S(e);S_CUTB(a)::S(E)
    • S(e);N_GUARD,S_CUTQ(j)::S(E),XP(d)
  • Actual
    • S(G);
    • Threat
      • QAB(B)
    • Vars
      • S(e);N_GUARD,S_CUTR(k)::S(E),XP(d)
      • S(e);S_CUTR(i)::S(E)
      • P(d);OGATE::QAB1(B)
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