MESON Chess Problem Database

Problem Display
PID: 164654 (3k4/1r2pK2/B3R3/4Q3/8/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1996

3k4/1r2pK2/B3R3/4Q3/8/8/8/8

#2

4 + 3

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rd7
      • 2.Qb8#
  • Keys
    • 1.Rxe7!
      • threat
        • 2.Qh8#
      • 1...Rxe7+
        • 2.Qxe7#
      • 1...Kc8
        • 2.Qc7#
        • 2.Qh8#
      • 1...Rd7
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(a);N_GUARD,SBLOCK::QAR2(A)
  • Actual
    • R(C);P_SPINR(C),XP(b)
    • Threat
      • QAR(A)
    • Vars
      • R(a);CHECK,OGATE,XR(C)::QAB1(A),XR(a)
      • R(a);N_GUARD::QAR2(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).