MESON Chess Problem Database

Problem Display
PID: 157855 (8/3pPpP1/3b1k2/1Q1Kp2R/4B3/B7/8/8 w - - 0 1)

Sag, Andy

OzProblems, 2011

8/3pPpP1/3b1k2/1Q1Kp2R/4B3/B7/8/8

#2

7 + 5

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bc7
      • 2.e8S#
    • 1...Bb8
      • 2.e8S#
  • Keys
    • 1.Qb8!
      • 1...Kxe7
        • 2.g8S#
      • 1...Kxg7
        • 2.Qh8#
      • 1...Bxa3
        • 2.Qxe5#
      • 1...Bxe7
        • 2.Qxe5#
      • 1...Bxb8
        • 2.e8S#
      • 1...Bb4
        • 2.Qxe5#
      • 1...Bc5
        • 2.Qxe5#
      • 1...Bc7
        • 2.e8S#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(b);::P=S
  • Actual
    • Q(C);
    • Vars
      • K(c);P_SPINB(b),S_FLIGHT,XP(F)::P=S
      • K(c);OGATEB,S_FLIGHT,XP(G)::QAB1(C)
      • B(b);OGATE,XB(A)::QAB1(C),XP(a)
      • B(b);OGATE,XP(F)::QAB1(C),XP(a)
      • B(b);XQ(C)::P=S
      • B(b);OGATE::QAB1(C),XP(a)
      • B(b);::P=S
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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).