MESON Chess Problem Database

Problem Display
PID: 172287 (8/8/8/1Q6/2p5/8/1Pk5/R3K3 w Q - 0 1)

Andreev, Aleksandr Grigorevich

Vecherni Krasnodar, 1996

8/8/8/1Q6/2p5/8/1Pk5/R3K3

#2

4 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qb4?
      • threat
        • 2.Qc3#
      • 1...c3
        • 2.Qxc3#
      • 1...Kd3!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Qc3#
      • 1...Kb3
        • 2.Qc3#
      • 1...Kd3
        • 2.0-0-0#
      • 1...c3
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAR1(D)
      • Vars
        • P(b);::QAR1(D),XP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);
    • Threat
      • QAR1(D)
    • Vars
      • K(a);S_FLIGHT::QAR1(D)
      • K(a);S_FLIGHT::0-0-0
      • P(b);::QAR1(D),XP(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).