MESON Chess Problem Database

Problem Display
PID: 154533 (1Q6/2pp1p2/5B2/2pk4/P1Np4/3R1P2/1K6/5B2 w - - 0 1)

Burkinshaw, TE

Sheffield Guardian (The), 1911

(First published on Fri Mar 17 1911)

1Q6/2pp1p2/5B2/2pk4/P1Np4/3R1P2/1K6/5B2

#2

8 + 6

15239 Valois Notebooks 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc4
      • 2.Rxd4#
      • 2.Qb3#
    • 1...Kc6
      • 2.Qa8#
  • Tries
    • 1.Bh3?
      • 1...Kxc4
        • 2.Qb3#
      • 1...Kc6
        • 2.Qa8#
      • 1...c6
        • 2.Se3#
        • 2.Sb6#
      • 1...d6!
    • 1.Qxc7?
      • 1...Kxc4
        • 2.Rxd4#
      • 1...Ke6
        • 2.Qe5#
      • 1...d6!
  • Keys
    • 1.Qe8!
      • 1...Kxc4
        • 2.Rxd4#
      • 1...Kc6
        • 2.Qa8#
      • 1...c6
        • 2.Qxf7#
      • 1...d6
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINP(a),S_FLIGHT::QAB(H)
  • Tries
    • Try
      • B(A);
      • Vars
        • K(c);N_SPINP(a),OGATEB,S_FLIGHT,XS(F)::QAB1(H)
        • K(c);N_SPINP(a),S_FLIGHT::QAB(H)
      • Refutation
        • P(e);
    • Try
      • Q(H);XP(d)
      • Vars
        • K(c);N_SPINP(a),P_SPINP(b),S_FLIGHT,XS(F)::B(A)+R(C),DCHECK,XP(a)
        • K(c);N_SPINP(a),S_FLIGHT::QAR1(H)
      • Refutation
        • P(e);
  • Actual
    • Q(H);
    • Vars
      • K(c);N_SPINP(a),S_FLIGHT,XS(F)::B(A)+R(C),DCHECK,XP(a)
      • K(c);N_SPINP(a),P_SPINP(e),S_FLIGHT::QAB(H)
      • P(d);SBLOCK::QAB(H),XP(f)
      • P(e);SBLOCK::S(F)
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).