MESON Chess Problem Database

Problem Display
PID: 157118 (5b2/2KRp2B/1p4n1/1p1Pp1Nb/1B1k1pP1/3Np3/2R1P3/5r2 w - - 0 1)

Lukashev, Viktor Sergeevich

Best Problems, 2007

5b2/2KRp2B/1p4n1/1p1Pp1Nb/1B1k1pP1/3Np3/2R1P3/5r2

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Sh4
      • 2.Se6#
    • 1...Sh8
      • 2.Se6#
    • 1...e4
      • 2.Se6#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Sb3#
        • 2.Sce6#
        • 2.Sge6#
      • 1...Bxg4
        • 2.Sb3#
      • 1...bxc5
        • 2.Bxc5#
      • 1...Rb1
        • 2.Sce6#
        • 2.Sf3#
        • 2.Sge6#
      • 1...e6
        • 2.Sb3#
        • 2.Scxe6#
        • 2.Sgxe6#
      • 1...e4!
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Sc6#
      • 1...Kxe5
        • 2.Bc3#
      • 1...Sxe5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • S(i);::S(G)
    • P(f);SBLOCK::S(G)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(3)
      • Vars
        • B(g);XP(E)::S(C)
        • P(h);OGATE,XS(C)::B(D),XP(h)
      • Refutation
        • P(f);
  • Actual
    • S(C);XP(f)
    • Threat
      • S(C)
    • Vars
      • K(c);S_FLIGHT,XS(C)::B(D)
      • S(i);SBLOCK,XS(C)::S(G)
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