MESON Chess Problem Database

Problem Display
PID: 172324 (8/7Q/8/8/6rR/6k1/7N/7K w - - 0 1)

Andreev, Aleksandr Grigorevich

Vecherni Krasnodar, 1996

8/7Q/8/8/6rR/6k1/7N/7K

#2

4 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Qf5!
      • 1...Kxh4
        • 2.Qxg4#
      • 1...Rxh4
        • 2.Qf3#
      • 1...Rf4
        • 2.Qxf4#
      • 1...Ra4
        • 2.Rh3#
      • 1...Rb4
        • 2.Rh3#
      • 1...Rc4
        • 2.Rh3#
      • 1...Rd4
        • 2.Rh3#
      • 1...Re4
        • 2.Rh3#
      • 1...Rg5
        • 2.Rh3#
        • 2.Qf4#
      • 1...Rg6
        • 2.Rh3#
        • 2.Qf4#
      • 1...Rg7
        • 2.Rh3#
        • 2.Qf4#
      • 1...Rg8
        • 2.Rh3#
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(D);
    • Vars
      • K(a);S_FLIGHT,XR(C)::QAR1(D),XR(b)
      • R(b);P_PINS(B),SBLOCK,XR(C)::QAR1(D)
      • R(b);N_GUARD::QAB1(D),XR(b)
      • R(b);::R1(C)
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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).