MESON Chess Problem Database

Problem Display
PID: 103772 (3b4/7B/8/8/6k1/3R4/8/4Q2K w - - 0 1)

Shakhnazaryan, Albert Serapionovic

Kontakt, 1997

3b4/7B/8/8/6k1/3R4/8/4Q2K

#2

4 + 2

6490 yacpdb 2009
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qg3#
  • Keys
    • 1.Rh3!
      • threat
        • 2.Qg3#
      • 1...Kxh3
        • 2.Bf5#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kg5
        • 2.Qh4#
      • 1...Bh4
        • 2.Qxh4#
      • 1...Bc7
        • 2.Qh4#

Anticipated by 231423(1927), 231424(1927)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAB1(A)
  • Actual
    • R(C);
    • Threat
      • QAR1(A)
    • Vars
      • K(a);S_FLIGHT,XR(C)::B(D)
      • K(a);P-FLIGHT::QAB1(A)
      • B(b);N_GUARD::QAR1(A),XB(b)
      • B(b);N_GUARD::QAR1(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).