Problem Display
PID: 244732 (1nR4b/1N5p/npp3r1/4p1p1/2P1k1P1/4p3/1QP1N1KB/8 w - - 0 1)

Colaneri, Bruno

Zaldo MT (Problemas), 2019

1nR4b/1N5p/npp3r1/4p1p1/2P1k1P1/4p3/1QP1N1KB/8

#2

9 + 11


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Rd6
      • 2.Sxd6#
    • 1...Rf6
      • 2.Qxe5#
    • 1...Rg7
      • 2.Sd6#
      • 2.Qxe5#
    • 1...Rg8
      • 2.Sd6#
    • 1...Bf6
      • 2.Sd6#
  • Tries
    • 1.Bxe5?
      • threat
        • 2.Sg3#
        • 2.Qd4#
      • 1...Rd6
        • 2.Sg3#
        • 2.Sxd6#
      • 1...c5
        • 2.Sg3#
      • 1...Bxe5!
    • 1.Rd8?
      • threat
        • 2.Sc3#
      • 1...Rd6
        • 2.Sxd6#
      • 1...Sd7!
    • 1.Qxb6?
      • threat
        • 2.Sc3#
      • 1...Sc5
        • 2.Sxc5#
      • 1...c5!
  • Keys
    • 1.Rf8!
      • threat
        • 2.Sg3#
      • 1...Rf6
        • 2.Qxe5#
      • 1...Bf6
        • 2.Sd6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • R(h);N_GUARD::S(H),XR(h)
    • R(h);S_CUTB(k)::QAR1(A),XP(c)
    • R(h);N_GUARD::S(H)
    • B(k);S_CUTR(h)::S(H)
  • Tries
    • Try
      • B(E);XP(c)
      • Threat
        • DUALS(2)
      • Vars
        • P(g);::S(C)
      • Refutation
        • B(k);XB(E)
    • Try
      • R(I);
      • Threat
        • S(C)
      • Vars
        • R(h);N_GUARD::S(H),XR(h)
      • Refutation
        • S(j);
    • Try
      • Q(A);XP(f)
      • Threat
        • S(C)
      • Vars
        • S(e);N_GUARD::S(H),XS(e)
      • Refutation
        • P(g);
  • Actual
    • R(I);
    • Threat
      • S(C)
    • Vars
      • R(h);S_CUTB(k)::QAR1(A),XP(c)
      • B(k);S_CUTR(h)::S(H)


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).