MESON Chess Problem Database

Problem Display
PID: 244718 (N2R4/kp3R2/2ppP2b/1p1rQ1p1/1N1r4/1P1P4/8/5KB1 w - - 0 1)

Colaneri, Bruno

Candela MT (Problemas), 2018

N2R4/kp3R2/2ppP2b/1p1rQ1p1/1N1r4/1P1P4/8/5KB1

#2

10 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qxd4+?
      • 1...Rc5
        • 2.Qa1#
      • 1...c5
        • 2.Qa1#
      • 1...Rxd4!
  • Keys
    • 1.Rf2!
      • threat
        • 2.Ra2#
      • 1...b6
        • 2.Rf7#
      • 1...Rf4
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK,XR(a)
      • Vars
        • R(c);P_SPINR(c)::QAR(F)
        • P(e);N_SPINP(i),P_SPINP(e)::QAR(F)
      • Refutation
        • R(c);P_SPINR(c),XQ(F)
  • Actual
    • R(H);N_PINP(i),N_PINR(a)
    • Threat
      • R(H)
    • Vars
      • P(i);OGATEB::R(H)
      • R(a);OGATE,P_PINR(H)::QAR(F)
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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).