Problem Display
PID: 10420 (8/8/4K1p1/3ppNpB/2R1pk2/pQ1P4/PN2p1pP/7b w - - 0 1)

Reeves, Alfred Christopher

Probleemblad, 1964

8/8/4K1p1/3ppNpB/2R1pk2/pQ1P4/PN2p1pP/7b

#2

9 + 10


3174 The Two-move Chess Problem Tradition and Development 1966

SOLUTION


  • SOUND
  • Keys
    • 1.dxe4!
      • threat
        • 2.Sd3#
        • 2.Qe3#
        • 2.Qf3#
        • 2.Qg3#
      • 1...axb2
        • 2.Qe3#
        • 2.Qf3#
        • 2.Qg3#
      • 1...dxc4
        • 2.Qe3#
        • 2.Qf3#
      • 1...gxf5
        • 2.Qf3#
        • 2.Qg3#
      • 1...gxh5
        • 2.Qg3#
      • 1...d4
        • 2.Qf3#
      • 1...g4
        • 2.Qe3#
      • 1...e1Q
        • 2.Sd3#
        • 2.Qf3#
      • 1...e1S
        • 2.Qe3#
        • 2.Qg3#
      • 1...e1B
        • 2.Sd3#
        • 2.Qe3#
        • 2.Qf3#
      • 1...e1R
        • 2.Sd3#
        • 2.Qf3#
        • 2.Qg3#
      • 1...g1Q
        • 2.Sd3#
      • 1...g1S
        • 2.Sd3#
        • 2.Qe3#
        • 2.Qg3#
      • 1...g1B
        • 2.Sd3#
        • 2.Qg3#
      • 1...g1R
        • 2.Sd3#
        • 2.Qe3#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(E);XP(e)
    • Threat
      • DUALS(4)
    • Vars
      • P(j);XB(H)::QAB1(D)
      • P(g);::QAR1(D)
      • P(i);::QAB1(D)
      • P(c);::S(B)


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).