MESON Chess Problem Database

Problem Display
PID: 2964 (1B2Q3/1P1RP3/2k1N1BR/p2N4/rqp5/brp5/1pP5/1K6 w - - 0 1)

Wainwright, Joseph CJ

Source?, 1914

1B2Q3/1P1RP3/2k1N1BR/p2N4/rqp5/brp5/1pP5/1K6

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kb5
      • 2.Rd6#
    • 1...Qb5
      • 2.Qc8#
    • 1...Qxb7
      • 2.Rd6#
  • Keys
    • 1.Be4!
      • 1...Kb5
        • 2.Rd6#
      • 1...Qxe7
        • 2.Rxe7#
      • 1...Qxb7
        • 2.Rd6#
      • 1...Qc5
        • 2.Sd4#
      • 1...Qd6
        • 2.Rc7#
      • 1...Qb5
        • 2.Qc8#
      • 1...Qb6
        • 2.Sxc3#
        • 2.Sdc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(i);S_FLIGHT::QAB(K)+R(H)
    • Q(f);SBLOCK::QAR2(K)
    • Q(f);SBLOCK,XP(G)::QAB(K)+R(H),DCHECK
  • Actual
    • B(E);
    • Vars
      • K(i);S_FLIGHT::QAB(K)+R(H)
      • Q(f);OGATE,XP(I)::QAB(K)+R(H),XQ(f)
      • Q(f);SBLOCK,XP(G)::QAB(K)+R(H),DCHECK
      • Q(f);SBLOCK::R(F)+S(D),DCHECK
      • Q(f);SBLOCK::QAB(K)+R(H),DCHECK
      • Q(f);SBLOCK::QAR2(K)
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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).