Problem Display
PID: 145836 (1B1Q4/4Kp2/2p2p2/R6n/1RPpk3/5q2/3P1r2/4NN2 w - - 0 1)

Maleika, Gerhard

Heilbronner Stimme, 2008

1B1Q4/4Kp2/2p2p2/R6n/1RPpk3/5q2/3P1r2/4NN2

#2

9 + 8


23 Die Schwalbe 2012

SOLUTION


  • SOUND
  • Sets
    • 1...Qh1
      • 2.d3#
    • 1...Qg2
      • 2.d3#
    • 1...Qg4
      • 2.d3#
    • 1...Qf4
      • 2.d3#
    • 1...Qf5
      • 2.d3#
    • 1...c5
      • 2.Qd5#
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qxc6#
      • 1...Qf5
        • 2.d3#
      • 1...Sf4
        • 2.Qf5#
      • 1...d3
        • 2.c5#
      • 1...c5
        • 2.Qd5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • Q(b);N_GUARD::P(C)
    • P(f);N_GUARD::QAB1(I)
  • Actual
    • Q(I);
    • Threat
      • QAB(I),XP(f)
    • Vars
      • Q(b);N_GUARD::P(C)
      • S(e);S_CUTQ(b)::QAB1(I)
      • P(c);::R(D)+P(E)
      • P(f);N_GUARD::QAB1(I)


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).