MESON Chess Problem Database

Problem Display
PID: 172411 (8/8/2K5/1p6/bk6/3Q4/8/R7 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1997

8/8/2K5/1p6/bk6/3Q4/8/R7

#2

3 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Qxb5#
  • Keys
    • 1.Ra3!
      • threat
        • 2.Qc3#
      • 1...Ka5
        • 2.Qxb5#
      • 1...Bb3
        • 2.Qxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);P_SPINB(a),S_FLIGHT::QAR1(B),XP(c)
  • Actual
    • R(A);
    • Threat
      • QAB1(B)
    • Vars
      • K(b);P_SPINB(a),S_FLIGHT::QAR1(B),XP(c)
      • B(a);N_GUARD::QAR1(B),XB(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).