Problem Display
PID: 196018 (4R3/B4N2/2B4p/2rP3K/1bp4p/2prPk1p/2Q1Nn1P/6R1 w - - 0 1)

Modlitba, Zdenek

Sachova skladba, 1986

4R3/B4N2/2B4p/2rP3K/1bp4p/2prPk1p/2Q1Nn1P/6R1

#2

11 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Rd4
      • 2.Sxd4#
  • Tries
    • 1.Sc1?
      • threat
        • 2.Qe2#
      • 1...Rdxd5+
        • 2.Qf5#
      • 1...Rxe3
        • 2.Qf5#
      • 1...Rd2
        • 2.Qf5#
      • 1...Rcxd5+!
  • Keys
    • 1.Sg3!
      • threat
        • 2.Qe2#
      • 1...Rdxd5+
        • 2.Qf5#
      • 1...Rcxd5+
        • 2.Se5#
      • 1...Rxe3
        • 2.Qf5#
      • 1...hxg3
        • 2.Rxg3#
      • 1...Rd2
        • 2.Qf5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(c);N_GUARD::S(C),XR(c)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(B)
      • Vars
        • R(c);CHECK,OGATE,P_SPINR(c),XP(F)::QAR2(B)
        • R(c);OGATE,XP(E)::QAR2(B)
        • R(c);OGATE::QAR2(B)
      • Refutation
        • R(i);CHECK,P_SPINR(i),XP(F)
  • Actual
    • S(C);
    • Threat
      • QAB1(B)
    • Vars
      • R(c);CHECK,OGATE,P_SPINR(c),XP(F)::QAR2(B)
      • R(i);CHECK,P_SPINR(i),XP(F)::S(J)
      • R(c);OGATE,XP(E)::QAR2(B)
      • P(h);OGATE,XS(C)::R1(A),XP(h)
      • R(c);OGATE::QAR2(B)


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).