Problem Display
PID: 159741 (8/n7/3N4/k1K5/1p6/p7/2Q5/8 w - - 0 1)

Alexei, Theodor

Tribuna Sibiului, 1970

8/n7/3N4/k1K5/1p6/p7/2Q5/8

#2

3 + 4


15148 Sadier Collection 2017

SOLUTION


  • SOUND
  • Sets
    • 1...Ka6
      • 2.Qa4#
    • 1...a2
      • 2.Qxa2#
  • Keys
    • 1.Qc4!
      • 1...Ka4
        • 2.Qxb4#
      • 1...Sb5
        • 2.Qxb5#
      • 1...Sc6
        • 2.Qb5#
      • 1...Sc8
        • 2.Qb5#
      • 1...a2
        • 2.Qxa2#
      • 1...b3
        • 2.Sb7#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • K(c);P-FLIGHT::QAR2(A)
    • P(a);OGATEB::QAR(A),XP(a)
  • Actual
    • Q(A);
    • Vars
      • K(c);P-FLIGHT,P_SPINP(b)::QAR1(A),XP(b)
      • S(d);N_GUARD::QAR1(A),XS(d)
      • S(d);N_GUARD::QAR1(A)
      • P(a);OGATEB::QAR(A),XP(a)
      • P(b);::S(C)


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).