Problem Display
PID: 190378 (5R2/2B1K3/8/RP1kp3/1p2N3/1P1qp3/BnN1p3/1Q6 w - - 0 1)

Barnes, Barry Peter

The Problemist Supplement, 2018

5R2/2B1K3/8/RP1kp3/1p2N3/1P1qp3/BnN1p3/1Q6

#2

10 + 7


SOLUTION


  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Qh1#
  • Keys
    • 1.Bb6!
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Qh1#
      • 1...Qxe4
        • 2.Rd8#
      • 1...Qxb5
        • 2.Sxb4#
      • 1...Qxb3
        • 2.Sxe3#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(f);OGATEB,S_FLIGHT,XS(E)::QAB(A)
  • Actual
    • B(H);
    • Threat
      • S(E)
    • Vars
      • K(f);OGATEB,S_FLIGHT,XS(E)::QAB(A)
      • Q(c);SBLOCK,XS(E)::R(J)
      • Q(c);P_SPINQ(c),XP(G)::S(C),XP(e)
      • Q(c);N_GUARD,P_SPINQ(c),XP(D)::S(C),XP(d)


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).