MESON Chess Problem Database

Problem Display
PID: 133369 (8/8/3Q4/8/8/1p6/pk1N3R/3K4 w - - 0 1)

Andreev, Aleksandr Grigorevich

200 Shakhmatni Zadachi, 1983

8/8/3Q4/8/8/1p6/pk1N3R/3K4

#2

4 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Qd3!
      • 1...a1Q+
        • 2.Sb1#
      • 1...a1R+
        • 2.Sb1#
      • 1...Ka1
        • 2.Sxb3#
      • 1...Ka3
        • 2.Qxb3#
      • 1...a1S
        • 2.Sc4#
      • 1...a1B
        • 2.Sb1#
        • 2.Sc4#
        • 2.Qxb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(D);
    • Vars
      • P(a);CHECK,SBLOCK::R(C)+S(B)
      • K(b);S_FLIGHT::S(B),XP(c)
      • K(b);P_SPINP(c),S_FLIGHT::QAR1(D),XP(c)
      • P(a);SBLOCK::R(C)+S(B),DCHECK
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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).