MESON Chess Problem Database

Problem Display
PID: 198695 (8/2Pp1ppP/1bpp1pp1/P7/p5NP/5P1N/P3P2P/R3K2k w - - 0 1)

Dawson, Thomas Rayner

Cas, 1921

8/2Pp1ppP/1bpp1pp1/P7/p5NP/5P1N/P3P2P/R3K2k

#2

12 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bf2+
      • 2.Kxf2#
    • 1...Bxc7
      • 2.Kf2#
    • 1...c5
      • 2.Kf2#
  • Keys
    • 1.Kd2+!
      • 1...Kg2
        • 2.Sf4#
      • 1...Bg1
        • 2.Rxg1#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • B(c);CHECK::R(A)+K(B),XB(c)
    • B(c);XP(K)::R(A)+K(B)
    • P(d);::R(A)+K(B)
  • Actual
    • K(B);CHECK,S_FLIGHT
    • Vars
      • K(a);S_FLIGHT::S(G)
      • B(c);N_GUARD,P_SPINB(c)::R1(A),XB(c)
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).