MESON Chess Problem Database

Problem Display
PID: 247509 (2Nb2b1/P1k1pp1R/B7/1rPP3K/5NQ1/8/8/2R5 w - - 0 1)

Zaragoza, Luis

BCPS Website, 2021

2Nb2b1/P1k1pp1R/B7/1rPP3K/5NQ1/8/8/2R5

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5
      • 2.Rxc5#
    • 1...Rb6
      • 2.cxb6#
  • Tries
    • 1.Qe6?
      • threat
        • 2.Qc6#
      • 1...Rxc5
        • 2.Rxc5#
      • 1...Rb6
        • 2.cxb6#
      • 1...fxe6!
  • Keys
    • 1.c6!
      • threat
        • 2.Qd7#
      • 1...Rxd5+
        • 2.Sxd5#
      • 1...e6
        • 2.Sxe6#
      • 1...f5
        • 2.d6#

This is a version of 247508

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(a);OGATE,P_PINP(E),P_SPINR(a),XP(D)::R(A),XR(a)
    • R(a);OGATE::R(A)+P(D)DCHECK,XR(a)
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • R(a);OGATE,P_PINP(E),P_SPINR(a),XP(D)::R(A),XR(a)
        • R(a);OGATE::R(A)+P(D)DCHECK,XR(a)
      • Refutation
        • P(d);P_SPINP(c),XQ(C)
  • Actual
    • P(D);P_SPINP(E)
    • Threat
      • QAR1(C)
    • Vars
      • R(a);CHECK,XP(E)::S(B),XR(a)
      • P(c);P_SPINP(d)::S(B),XP(c)
      • P(d);N_PINP(E),P_SPINP(c)::P(E)
HTML5 logo

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).