MESON Chess Problem Database

Problem Display
PID: 218470 (1n5n/1K6/8/2p1NPB1/8/Q4pr1/B1PPP3/k2r3b w - - 0 1)

Robertson, George T

Philadelphia Times, 1882

1n5n/1K6/8/2p1NPB1/8/Q4pr1/B1PPP3/k2r3b

#2

9 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1+
      • 2.Bb3#
  • Keys
    • 1.Bf6!
      • threat
        • 2.Sd3#
        • 2.Sxf3#
        • 2.Sc4#
        • 2.Sg4#
        • 2.Sc6#
        • 2.Sg6#
        • 2.Sd7#
        • 2.Sf7#
      • 1...Rb1+
        • 2.Bb3#
      • 1...Rg7+
        • 2.Sd7#
        • 2.Sf7#
      • 1...fxe2+
        • 2.Sf3#
      • 1...f2+
        • 2.Sf3#
      • 1...Rxd2
        • 2.Sd3#
      • 1...Rg4
        • 2.Sxg4#
      • 1...Rg6
        • 2.Sxg6#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Sd7
        • 2.Sxd7#
      • 1...Sg6
        • 2.Sxg6#
      • 1...Sf7
        • 2.Sxf7#
      • 1...c4
        • 2.Sxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • R(b);CHECK,SBLOCK::QAR(E)+B(A)
  • Actual
    • B(H);
    • Threat
      • DUALS(8)
    • Vars
      • R(b);CHECK,SBLOCK::QAR(E)+B(A)
      • P(d);CHECK,XP(D)::B(H)+S(F)
      • P(d);CHECK::B(H)+S(F)
      • R(b);XP(C)::B(H)+S(F)
      • R(e);::B(H)+S(F),XR(e)
      • S(g);::B(H)+S(F),XS(g)
      • S(h);::B(H)+S(F),XS(h)
      • P(f);::B(H)+S(F),XP(f)
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).