Problem Display
PID: 266065 (8/7b/5K2/3N3Q/B2pk3/8/3p4/8 w - - 0 1)

Tschemych, W

64 Shakhmatnoe obozrenie, 1983

8/7b/5K2/3N3Q/B2pk3/8/3p4/8

#2

4 + 4


15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION


  • SOUND
  • Sets
    • 1...Bf5
      • 2.Qxf5#
    • 1...Bg8
      • 2.Qf5#
  • Keys
    • 1.Bd1!
      • threat
        • 2.Qf3#
      • 1...Kd3
        • 2.Qe2#
      • 1...d3
        • 2.Qe5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(d);N_GUARD::QAB1(C),XB(d)
    • B(d);N_GUARD::QAB1(C)
  • Actual
    • B(A);
    • Threat
      • QAB1(C)
    • Vars
      • K(c);N_GUARD,S_FLIGHT::QAB1(C)
      • P(b);SBLOCK::QAR1(C)


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).