MESON Chess Problem Database

Problem Display
PID: 244704 (1b4K1/1Nppk1N1/Q2r4/1B4P1/8/B3pp2/8/2RR4 w - - 0 1)

Colaneri, Bruno

Coello-75 JT (Problemas), 2017

1b4K1/1Nppk1N1/Q2r4/1B4P1/8/B3pp2/8/2RR4

#2

9 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd6?
      • threat
        • 2.Re6#
        • 2.Rxd7#
      • 1...c5
        • 2.Rxd7#
      • 1...c6
        • 2.Re6#
      • 1...cxd6!
  • Keys
    • 1.Rc5!
      • threat
        • 2.Re5#
      • 1...Rd5
        • 2.Qf6#
      • 1...Re6
        • 2.Rxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);XR(c)
      • Threat
        • DUALS(2)
      • Vars
        • P(d);::R1(B),XP(e)
        • P(d);::B(C)+R(B),DCHECK
      • Refutation
        • P(d);P_SPINP(d),XR(B)
  • Actual
    • R(A);N_PINR(c)
    • Threat
      • R(A)
    • Vars
      • R(c);OGATE::QAB1(F)
      • R(c);OGATE::R1(B),XP(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).