MESON Chess Problem Database

Problem Display
PID: 206917 (4Q3/1nr5/4R3/p1p5/1b6/1K3N2/N4p2/3k2r1 w - - 0 1)

Stanley, Charles Henry

American Chess Magazine, 1847

4Q3/1nr5/4R3/p1p5/1b6/1K3N2/N4p2/3k2r1

#2

5 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rd6+?
      • 1...Bd2
        • 2.Rxd2#
      • 1...Sxd6!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Kb2#
        • 2.Kc4#
      • 1...c4+
        • 2.Kb2#
      • 1...f1Q
        • 2.Kb2#
      • 1...f1B
        • 2.Kb2#
      • 1...Rg4
        • 2.Kb2#
      • 1...Ba3
        • 2.Kxa3#
        • 2.Kc3#
        • 2.Kc4#
      • 1...Bc3
        • 2.Ka3#
        • 2.Kxc3#
        • 2.Kc4#
      • 1...Sd6
        • 2.Kb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • B(d);N_GUARD,P_SPINB(d)::R1(D),XB(d)
      • Refutation
        • S(g);XR(D)
  • Actual
    • Q(E);
    • Threat
      • DUALS(2)
    • Vars
      • P(f);CHECK::QAB(E)+K(B)
      • P(c);::QAB(E)+K(B)
      • R(b);::QAB(E)+K(B)
      • S(g);::QAB(E)+K(B)
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).