MESON Chess Problem Database

Problem Display
PID: 51153 (1BQ5/8/3r4/1P1p2P1/R1pk4/1R1p2p1/3N2P1/3KN3 w - - 0 1)

Allison, Christopher John

Manchester Guardian, 1951

1BQ5/8/3r4/1P1p2P1/R1pk4/1R1p2p1/3N2P1/3KN3

#2

10 + 6

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Ra6
      • 2.Rxd3#
    • 1...Rb6
      • 2.Rxd3#
    • 1...Re6
      • 2.Rxd3#
    • 1...Rf6
      • 2.Rxd3#
    • 1...Rg6
      • 2.Rxd3#
    • 1...Rh6
      • 2.Rxd3#
    • 1...Rd7
      • 2.Rxd3#
    • 1...Rd8
      • 2.Rxd3#
  • Keys
    • 1.Qf8!
      • 1...Ke3
        • 2.Sc2#
      • 1...Kc5
        • 2.Ba7#
      • 1...Ke5
        • 2.Qf6#
      • 1...Ra6
        • 2.Rxd3#
      • 1...Rb6
        • 2.Rxd3#
      • 1...Rc6
        • 2.Rxd3#
      • 1...Re6
        • 2.Rxd3#
      • 1...Rf6
        • 2.Rxd3#
      • 1...Rg6
        • 2.Rxd3#
      • 1...Rh6
        • 2.Rxd3#
      • 1...Rd7
        • 2.Rxd3#
      • 1...Rd8
        • 2.Rxd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(f);::R1(E),XP(a)
  • Actual
    • Q(J);
    • Vars
      • K(d);N_SPINP(c),P_SPINP(a),S_FLIGHT::S(B)
      • K(d);N_SPINP(c),P_SPINR(f),S_FLIGHT::B(I)
      • K(d);N_SPINP(c),P_SPINR(f),S_FLIGHT::QAB1(J)
      • R(f);::R1(E),XP(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).