MESON Chess Problem Database

Problem Display
PID: 266106 (5Q1q/B1KP1N2/3pr1nR/3k4/R2p1b2/2p2p1B/4nN2/8 w - - 0 1)

Uris, Miguel

Candela MT (Problemas), 2018

5Q1q/B1KP1N2/3pr1nR/3k4/R2p1b2/2p2p1B/4nN2/8

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Qa8#
    • 1...Qf6
      • 2.Qa8#
    • 1...Qg7
      • 2.Qa8#
    • 1...Qxh6
      • 2.Qa8#
    • 1...Qh7
      • 2.Qa8#
    • 1...Re5
      • 2.Qxd6#
    • 1...Sh4
      • 2.Bxe6#
    • 1...Se5
      • 2.Bxe6#
    • 1...Se7
      • 2.Bxe6#
  • Keys
    • 1.Se5!
      • threat
        • 2.Ra5#
      • 1...Kxe5
        • 2.Qf5#
      • 1...Qxe5
        • 2.Qa8#
      • 1...Rxe5
        • 2.Qxd6#
      • 1...Bxe5
        • 2.Qxf3#
      • 1...Sxe5
        • 2.Bxe6#
      • 1...dxe5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • Q(j);N_GUARD::QAB(I)
    • Q(j);N_GUARD,XR(D)::QAB(I)
    • R(h);N_GUARD,S_CUTB(e)::QAR1(I),XP(g)
    • S(i);::B(B),XR(h)
  • Actual
    • S(H);
    • Threat
      • R(C)
    • Vars
      • K(f);OGATEB,P-FLIGHT,XS(H)::QAR1(I)
      • Q(j);N_GUARD,SBLOCK,XS(H)::QAB(I)
      • R(h);N_GUARD,XS(H)::QAR1(I),XP(g)
      • B(e);OGATE,SBLOCK,XS(H)::QAB(I),XP(c)
      • S(i);SBLOCK,XS(H)::B(B),XR(h)
      • P(g);OGATE,SBLOCK,XS(H)::QAR1(I)
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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).