MESON Chess Problem Database

Problem Display
PID: 147630 (6bN/3Rppn1/K7/1pP1k1B1/P3p3/Q1P1N3/B2p4/8 w - - 0 1)

Dawson, Thomas Rayner

Yorkshire Weekly Post, 1910

(First published on Sat Feb 19 1910)

6bN/3Rppn1/K7/1pP1k1B1/P3p3/Q1P1N3/B2p4/8

#2

10 + 8

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Bh7
      • 2.Sxf7#
    • 1...Sf5
      • 2.Sg4#
    • 1...Sh5
      • 2.Rxe7#
    • 1...Se6
      • 2.Rd5#
    • 1...Se8
      • 2.Rxe7#
    • 1...f5
      • 2.Sg6#
    • 1...f6
      • 2.Sg6#
  • Tries
    • 1.Bxf7?
      • threat
        • 2.Sg6#
        • 2.Rd5#
      • 1...d1Q
        • 2.Sg6#
      • 1...d1R
        • 2.Sg6#
      • 1...Bh7
        • 2.Rd5#
      • 1...e6
        • 2.Sg6#
      • 1...Bxf7!
  • Keys
    • 1.Qb2!
      • 1...bxa4
        • 2.Qb8#
      • 1...d1Q
        • 2.Qh2#
      • 1...d1S
        • 2.Qh2#
      • 1...d1B
        • 2.Qh2#
      • 1...d1R
        • 2.Qh2#
      • 1...Bh7
        • 2.Sxf7#
      • 1...Sf5
        • 2.Sg4#
      • 1...Sh5
        • 2.Rxe7#
      • 1...Se6
        • 2.Rd5#
      • 1...Se8
        • 2.Rxe7#
      • 1...b4
        • 2.cxb4#
      • 1...e6
        • 2.c4#
      • 1...f5
        • 2.Sg6#
      • 1...f6
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(h);N_GUARD::S(J),XP(f)
    • S(g);SBLOCK::S(D)
    • S(g);N_GUARD::R(I),XP(e)
    • S(g);SBLOCK::R1(I)
    • P(f);N_GUARD::S(J)
  • Tries
    • Try
      • B(A);XP(f)
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::S(J)
        • B(h);::R1(I)
        • P(e);::S(J)
      • Refutation
        • B(h);XB(A)
  • Actual
    • Q(B);
    • Vars
      • P(c);OGATE,XP(E)::QAB(B)
      • P(a);OGATE::QAB(B)
      • B(h);N_GUARD::S(J),XP(f)
      • S(g);SBLOCK::S(D)
      • S(g);N_GUARD::R(I),XP(e)
      • S(g);SBLOCK::R1(I)
      • P(c);OGATE::QAB(B)+P(C),XP(c)
      • P(e);SBLOCK::QAB(B)+P(C)
      • P(f);N_GUARD::S(J)
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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).