MESON Chess Problem Database

Problem Display
PID: 201389 (8/5N2/3Pn3/2p5/4k1r1/3R2p1/3P1R2/KB4b1 w - - 0 1)

Clark, Robert Winslow

L'Alfiere di Re, 1922

8/5N2/3Pn3/2p5/4k1r1/3R2p1/3P1R2/KB4b1

#2

7 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Rf5!
      • threat
        • 2.Rdd5#
      • 1...Bd4+
        • 2.Rc3#
      • 1...Kxf5
        • 2.Rf3#
      • 1...Rf4
        • 2.Re5#
      • 1...Sd4
        • 2.Re3#
      • 1...Sf4
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(D);
    • Threat
      • B(B)+R(E)
    • Vars
      • B(a);CHECK,SBLOCK::B(B)+R(E)
      • K(c);S_FLIGHT,XR(D)::B(B)+R(E),DCHECK
      • R(d);SBLOCK::R1(D)
      • S(f);SBLOCK::B(B)+R(E),DCHECK
      • S(f);SBLOCK::R1(D)
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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).