Problem Display
PID: 7708 (bb3Q2/8/7R/r3p3/3Pp3/2PPk1P1/4P3/3nK3 w - - 0 1)

Szwedowski, Leopold Mieczyslaw

2nd Prize, Thema Danicum, 1992

bb3Q2/8/7R/r3p3/3Pp3/2PPk1P1/4P3/3nK3

#2

8 + 7


5416 FIDE Album (1992-1994) (Annexe) 2003

SOLUTION


  • SOUND
  • Sets
    • 1...Sb2
      • 2.Qf2#
    • 1...Sf2
      • 2.Qxf2#
    • 1...Sxc3
      • 2.Qf2#
  • Tries
    • 1.Rc6?
      • threat
        • 2.Qh6#
      • 1...Sxc3
        • 2.Qf2#
      • 1...exd3
        • 2.Qf3#
      • 1...exd4!
    • 1.Rd6?
      • threat
        • 2.Qh6#
      • 1...exd4
        • 2.Qf4#
      • 1...exd3!
    • 1.Qf5?
      • threat
        • 2.Qg5#
      • 1...Sxc3
        • 2.Qf2#
      • 1...exd3
        • 2.Qxd3#
      • 1...exd4!
    • 1.Qf6?
      • threat
        • 2.Qg5#
      • 1...Sxc3
        • 2.Qf2#
      • 1...exd4
        • 2.Qxd4#
      • 1...exd3!
    • 1.dxe5?
      • threat
        • 2.Qf4#
      • 1...Sxc3
        • 2.Qf2#
      • 1...Bxe5!
  • Keys
    • 1.Re6!
      • threat
        • 2.Qh6#
      • 1...Sxc3
        • 2.Qf2#
      • 1...exd3
        • 2.Qf4#
      • 1...exd4
        • 2.Qf3#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(a);N_GUARD::QAB1(H)
    • S(a);N_GUARD::QAB1(H),XS(a)
    • S(a);N_GUARD,XP(C)::QAB1(H)
  • Tries
    • Try
      • R(G);
      • Threat
        • QAB(H)
      • Vars
        • S(a);N_GUARD,XP(C)::QAB1(H)
        • P(c);N_GUARD,XP(D)::QAR1(H)
      • Refutation
        • P(e);XP(F)
    • Try
      • R(G);
      • Threat
        • QAB(H)
      • Vars
        • P(e);N_GUARD,XP(F)::QAB1(H)
      • Refutation
        • P(c);XP(D)
    • Try
      • Q(H);
      • Threat
        • QAB(H)
      • Vars
        • S(a);N_GUARD,XP(C)::QAB1(H)
        • P(c);OGATE,XP(D)::QAR1(H),XP(c)
      • Refutation
        • P(e);XP(F)
    • Try
      • Q(H);
      • Threat
        • QAB(H)
      • Vars
        • S(a);N_GUARD,XP(C)::QAB1(H)
        • P(e);OGATE,XP(F)::QAB1(H),XP(e)
      • Refutation
        • P(c);XP(D)
    • Try
      • P(F);XP(e)
      • Threat
        • QAB1(H)
      • Vars
        • S(a);N_GUARD,XP(C)::QAB1(H)
      • Refutation
        • B(g);XP(F)
  • Actual
    • R(G);
    • Threat
      • QAB(H)
    • Vars
      • S(a);N_GUARD,XP(C)::QAB1(H)
      • P(c);P_SPINP(e),XP(D)::QAB1(H)
      • P(e);P_SPINP(c),XP(F)::QAR1(H)


Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).