MESON Chess Problem Database

Problem Display
PID: 164973 (8/8/2K2NBB/5P2/2ppP3/2nk1p2/1Q1Pp3/4rn2 w - - 0 1)

Jankevics, Karlis

Sachmatija, 2008

8/8/2K2NBB/5P2/2ppP3/2nk1p2/1Q1Pp3/4rn2

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd2
      • 2.Qxd2#
    • 1...Sd1
      • 2.Qb1#
  • Tries
    • 1.Sd7?
      • threat
        • 2.Sc5#
      • 1...Kxe4
        • 2.f6#
      • 1...Sxe4
        • 2.Se5#
      • 1...Sa4!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Sf2#
      • 1...Kxe4
        • 2.f6#
      • 1...Sxe4
        • 2.Se5#
      • 1...Sd1
        • 2.Qb1#
      • 1...f2
        • 2.Sxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(b);OGATE,XP(B)::QAR1(A),XS(b)
    • S(d);N_GUARD,S_CUTR(a)::QAB(A)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • K(e);S_FLIGHT,XP(C)::B(G)+P(D)
        • S(d);SBLOCK,XP(C)::S(F)
      • Refutation
        • S(d);
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(e);S_FLIGHT,XP(C)::B(G)+P(D)
      • S(d);SBLOCK,XP(C)::S(F)
      • S(d);N_GUARD,S_CUTR(a)::QAB(A)
      • P(f);::S(F),XP(f)
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