MESON Chess Problem Database

Problem Display
PID: 75639 (8/p7/k4B1R/1R1p1p2/KP6/4b3/2Pr1r2/8 w - - 0 1)

Barthelemy, Edmond

Pat, 1936

8/p7/k4B1R/1R1p1p2/KP6/4b3/2Pr1r2/8

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Bg5#
    • 1...Rf4
      • 2.Bd4#
    • 1...Bd4
      • 2.Bxd4#
    • 1...Bg5
      • 2.Bxg5#
    • 1...d4
      • 2.Bg5#
    • 1...f4
      • 2.Bd4#
  • Keys
    • 1.Rb8!
      • threat
        • 2.b5#
      • 1...Rd4
        • 2.Bg5#
      • 1...Rf4
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • R(a);P_PINP(C),S_CUTB(c)::R(F)+B(E)
    • R(b);P_PINP(C),S_CUTB(c)::R(F)+B(E)
    • B(c);N_GUARD::R(F)+B(E),XB(c)
    • P(d);S_CUTB(c)::R(F)+B(E)
    • P(e);S_CUTB(c)::R(F)+B(E)
  • Actual
    • R(D);
    • Threat
      • P(C)
    • Vars
      • R(a);P_PINP(C),S_CUTB(c)::R(F)+B(E)
      • R(b);P_PINP(C),S_CUTB(c)::R(F)+B(E)
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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).