Problem Display
PID: 241862 (8/3Q4/8/4k1K1/4p3/8/1p1P4/1B6 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1931

8/3Q4/8/4k1K1/4p3/8/1p1P4/1B6

#2

4 + 3


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Sets
    • 1...e3
      • 2.d4#
  • Keys
    • 1.Ba2!
      • threat
        • 2.Qd5#

FEATURES


  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • P(b);N_GUARD::P(B)
  • Actual
    • B(A);
    • Threat
      • QAR1(D)


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).