MESON Chess Problem Database

Problem Display
PID: 232468 (3r4/3bB3/8/3Q4/5pk1/5R2/8/6Kn w - - 0 1)

Dikusarov, Andrey Nikolayovich

Freie Presse, 2008

3r4/3bB3/8/3Q4/5pk1/5R2/8/6Kn

#2

4 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rxf4+?
      • 1...Kg3
        • 2.Qf3#
      • 1...Kh3
        • 2.Qg2#
      • 1...Kxf4!
  • Keys
    • 1.Rh3!
      • threat
        • 2.Qh5#
      • 1...Kxh3
        • 2.Qg2#
      • 1...f3
        • 2.Qxf3#
      • 1...Rh8
        • 2.Qxd7#
      • 1...Bf5
        • 2.Qf3#
      • 1...Be8
        • 2.Qe6#
      • 1...Sg3
        • 2.Rh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK,XP(b)
      • Vars
        • K(c);P-FLIGHT::QAR1(C)
        • K(c);S_FLIGHT::QAB1(C)
      • Refutation
        • K(c);P-FLIGHT,XR(B)
  • Actual
    • R(B);
    • Threat
      • QAB1(C)
    • Vars
      • K(c);S_FLIGHT,XR(B)::QAB1(C)
      • P(b);::QAB1(C),XP(b)
      • R(e);N_GUARD::QAB(C),XB(d)
      • B(d);SBLOCK::QAB1(C)
      • B(d);N_GUARD::QAB(C)
      • S(a);SBLOCK::R1(B)
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).