MESON Chess Problem Database

Problem Display
PID: 233035 (8/8/2K1Q3/7R/3k1p2/2pp4/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2017

8/8/2K1Q3/7R/3k1p2/2pp4/8/8

#2

3 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...f3
      • 2.Rh4#
  • Tries
    • 1.Rh3?
      • threat
        • 2.Qd5#
      • 1...f3
        • 2.Rh4#
      • 1...c2!
    • 1.Re5?
      • threat
        • 2.Re4#
        • 2.Qd5#
      • 1...d2
        • 2.Qd5#
      • 1...c2!
  • Keys
    • 1.Kb5!
      • threat
        • 2.Rd5#
        • 2.Qe5#
      • 1...c2
        • 2.Qe5#
      • 1...d2
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(d);OGATEB::R(A)
  • Tries
    • Try
      • R(A);
      • Threat
        • QAR1(C)
      • Vars
        • P(d);OGATEB::R(A)
      • Refutation
        • P(a);
    • Try
      • R(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAR1(C)
      • Refutation
        • P(a);
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • P(a);::QAB1(C)
      • P(b);::R1(A)
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).