MESON Chess Problem Database

Problem Display
PID: 160591 (2bKQ3/2P5/q1N2p2/2Pk1P2/5pp1/2R3b1/n7/1r3B2 w - - 0 1)

Challenger, Alfred Clement

Bolton Football and Field, 1905

(First published on Sat Sep 30 1905)

2bKQ3/2P5/q1N2p2/2Pk1P2/5pp1/2R3b1/n7/1r3B2

#2

8 + 9

14986 White-Hume Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Be6
      • 2.Qxe6#
    • 1...Bb7
      • 2.Qe6#
  • Tries
    • 1.Qe5+?
      • 1...Kxc6
        • 2.Qe4#
      • 1...fxe5!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Se7#
      • 1...Kxc6
        • 2.Qe4#
      • 1...Qxc6
        • 2.Bc4#
      • 1...fxe3
        • 2.Bg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(i);N_GUARD::QAB1(H),XB(i)
    • B(i);N_GUARD::QAB1(H)
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • K(f);S_FLIGHT,XS(E)::QAB(H)
      • Refutation
        • P(h);XQ(H)
  • Actual
    • Q(H);
    • Threat
      • S(E)
    • Vars
      • K(f);S_FLIGHT,XS(E)::QAB(H)
      • Q(g);N_GUARD,SBLOCK,XS(E)::B(A)
      • P(d);N_GUARD,XQ(H)::B(A)
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).