Problem Display
PID: 632 (1R6/8/4r3/1npN1Q2/2k1P3/2b5/P1B5/3K4 w - - 0 1)

Andrew, Frederick William

Hastings Solving Ty., 1904

(First published on Wed Aug 31 1904)

1R6/8/4r3/1npN1Q2/2k1P3/2b5/P1B5/3K4

#2

7 + 5


15 British Chess Magazine 1904
3310 2345 Chess Problems 1997
15351 SCPF/BCPS Black Books 2016
5454 Near Snap 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Bd4
      • 2.Qf1#
    • 1...Sd4
      • 2.Se3#
  • Keys
    • 1.e5!
      • threat
        • 2.Qd3#
      • 1...Kd4
        • 2.Qe4#
      • 1...Kxd5
        • 2.Qe4#
      • 1...Bd4
        • 2.Bb3#
      • 1...Sd4
        • 2.Se3#

This anticipates 16407(1940)

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::QAB(F)
    • S(c);SBLOCK::S(E)
  • Actual
    • P(D);
    • Threat
      • QAB1(F)
    • Vars
      • K(b);P-FLIGHT::QAR1(F)
      • K(b);S_FLIGHT,XS(E)::QAB1(F)
      • B(a);SBLOCK::B(C)
      • S(c);SBLOCK::S(E)


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).