MESON Chess Problem Database

Problem Display
PID: 172481 (8/1KRppp2/3k4/8/4Q3/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 2001

8/1KRppp2/3k4/8/4Q3/8/8/8

#2

3 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd7+?
      • 1...Kc5
        • 2.Rd5#
      • 1...Kxd7!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Rxd7#
      • 1...e5
        • 2.Qxd7#
      • 1...e6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK,XP(b)
      • Vars
        • K(a);OGATE,S_FLIGHT::R1(C)
      • Refutation
        • K(a);P-FLIGHT,XR(C)
  • Actual
    • Q(A);
    • Threat
      • R1(C),XP(b)
    • Vars
      • P(c);SBLOCK::QAR1(A),XP(b)
      • P(c);SBLOCK::QAB1(A)
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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).