MESON Chess Problem Database

Problem Display
PID: 55196 (2rn4/5R2/4P2R/r2k4/p3N1pK/N3P1B1/5n2/1Q5b w - - 0 1)

Livshits, Eduard Yakovlevich

3rd Place, USSR Championship, 1963

2rn4/5R2/4P2R/r2k4/p3N1pK/N3P1B1/5n2/1Q5b

#2

9 + 8

3747 FIDE Album (1962-1964) 1968

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Rf5#
    • 1...Sc6
      • 2.Rd7#
  • Tries
    • 1.Qd3+?
      • 1...Kc6
        • 2.Qd6#
      • 1...Sxd3!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Qd4#
      • 1...Bxe4
        • 2.Rd7#
        • 2.Qd6#
      • 1...Sxe4
        • 2.Rf5#
      • 1...Rc6
        • 2.Qd4#
      • 1...Sc6
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(g);SBLOCK::R(I)
    • S(h);SBLOCK::R(I)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(f);OGATE,S_FLIGHT::QAR1(A)
      • Refutation
        • S(b);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • S(E)
    • Vars
      • K(f);S_FLIGHT,XS(E)::QAR1(A)
      • S(b);SBLOCK,XS(E)::R(I)
      • R(g);SBLOCK::QAR1(A)
      • S(h);S_CUTR(g)::S(E)
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