Problem Display
PID: 174055 (1K6/1bQR4/4pp2/4Pk1P/4qbpP/4Prn1/2nNN3/BB3R2 w - - 0 1)

Stan, Mihail

Palestine Daily Guardian, 1947

1K6/1bQR4/4pp2/4Pk1P/4qbpP/4Prn1/2nNN3/BB3R2

#2

12 + 10


15202 Componist 2012

SOLUTION


  • SOUND
  • Sets
    • 1...Qc6
      • 2.Sd4#
    • 1...Qd4
      • 2.Sxd4#
    • 1...Bg5
      • 2.Sxg3#
    • 1...Bh6
      • 2.Sxg3#
    • 1...Sxa1
      • 2.Sd4#
    • 1...Se1
      • 2.Sd4#
    • 1...Sa3
      • 2.Sd4#
    • 1...Sxe3
      • 2.Sd4#
    • 1...Sb4
      • 2.Sd4#
    • 1...Sd4
      • 2.Sxd4#
    • 1...fxe5
      • 2.Rf7#
  • Keys
    • 1.Rd5!
      • threat
        • 2.Qh7#
      • 1...Qxe5
        • 2.Sd4#
      • 1...Bxe5
        • 2.Sxg3#
      • 1...exd5
        • 2.Qd7#
      • 1...fxe5
        • 2.Qf7#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 10
  • Sets
    • Q(d);N_GUARD,P_SPINS(a)::S(E)
    • Q(d);N_GUARD,P_SPINS(a)::S(E),XQ(d)
    • B(e);N_GUARD,P_SPINR(b)::S(E),XS(c)
    • S(a);N_GUARD,P_SPINQ(d),XB(A)::S(E)
    • S(a);N_GUARD,P_SPINQ(d)::S(E)
    • S(a);N_GUARD,P_SPINQ(d),XP(F)::S(E)
    • S(a);N_GUARD,P_SPINQ(d)::S(E),XS(a)
    • P(i);OGATEB,XP(H)::R(K)
  • Actual
    • R(K);
    • Threat
      • QAB(J)
    • Vars
      • Q(d);N_GUARD,P_PINQ(J),P_SPINQ(d),P_SPINS(a),XP(H)::S(E)
      • B(e);N_GUARD,P_PINQ(J),P_SPINB(e),P_SPINR(b),XP(H)::S(E),XS(c)
      • P(h);OGATEB,XR(K)::QAB(J)
      • P(i);OGATEB,P_SPINP(i),XP(H)::QAR2(J)


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).