MESON Chess Problem Database

Problem Display
PID: 109504 (4R3/7B/p2N4/P1P5/QpPk2p1/1p1Nn1R1/1P3n2/1K6 w - - 0 1)

Taraba, Jozef

3rd Prize, Sachove umeni (Ceskoslovensky sach), 1983

4R3/7B/p2N4/P1P5/QpPk2p1/1p1Nn1R1/1P3n2/1K6

#2

11 + 7

3485 Sachova skladba 1986
14580 Chess Compositions (Taraba) 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rexe3?
      • 1...Sd1
        • 2.Re4#
      • 1...Sh1
        • 2.Re4#
      • 1...Sh3
        • 2.Re4#
      • 1...Se4
        • 2.Rxe4#
      • 1...Sxd3!
    • 1.Qxb3?
      • 1...Sxc4
        • 2.Qxc4#
      • 1...Sfd1
        • 2.Re4#
      • 1...Sh1
        • 2.Re4#
      • 1...Sh3
        • 2.Re4#
      • 1...Se4
        • 2.Rxe4#
      • 1...Sed1
        • 2.Sf5#
      • 1...Sf1
        • 2.Sf5#
      • 1...Sc2
        • 2.Sf5#
      • 1...Sg2
        • 2.Sf5#
      • 1...Sd5
        • 2.Sf5#
      • 1...Sf5
        • 2.Sxf5#
      • 1...Sxd3!
  • Keys
    • 1.Qc6!
      • 1...Sxd3
        • 2.Re4#
      • 1...Sxc4
        • 2.Sf5#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sfd1
        • 2.Qe4#
      • 1...Sh1
        • 2.Qe4#
      • 1...Sh3
        • 2.Qe4#
      • 1...Sed1
        • 2.Qd5#
      • 1...Sf1
        • 2.Qd5#
      • 1...Sc2
        • 2.Qd5#
      • 1...Sg2
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sf5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(K);XS(c)
      • Vars
        • S(a);N_GUARD::R1(K)
        • S(a);N_GUARD::R1(K),XS(a)
      • Refutation
        • S(a);XS(C)
    • Try
      • Q(E);XP(b)
      • Vars
        • S(c);OGATE,XP(F)::QAR1(E),XS(c)
        • S(a);N_GUARD::R1(K)
        • S(a);N_GUARD::R1(K),XS(a)
        • S(c);N_GUARD::S(I)
        • S(c);N_GUARD::S(I),XS(c)
      • Refutation
        • S(a);XS(C)
  • Actual
    • Q(E);
    • Vars
      • S(a);N_GUARD,SBLOCK,XS(C)::R1(K)
      • S(c);N_GUARD,SBLOCK,XP(F)::S(I)
      • S(a);N_GUARD::QAR1(E),XS(a)
      • S(a);N_GUARD::QAR1(E)
      • S(c);N_GUARD::QAR1(E)
      • S(c);N_GUARD::QAR1(E),XS(c)
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