MESON Chess Problem Database

Problem Display
PID: 66665 (6rk/5pp1/4bB2/q3N1PK/7R/8/2Q5/8 w - - 0 1)

Taylor, I(J)ohn Odin Howard

The Chess Player's Chronicle (Staunton), 1859

6rk/5pp1/4bB2/q3N1PK/7R/8/2Q5/8

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.Kg4#
    • 1...Bb3
      • 2.Kg4#
    • 1...Bh3
      • 2.Sxf7#
    • 1...Bc4
      • 2.Kg4#
    • 1...Bg4+
      • 2.Kxg4#
    • 1...Bd5
      • 2.Kg4#
    • 1...Bd7
      • 2.Sxf7#
    • 1...Bc8
      • 2.Sxf7#
  • Tries
    • 1.Sg6+?
      • 1...fxg6+
        • 2.Kxg6#
      • 1...Kh7!
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qh6#
      • 1...Bg4+
        • 2.Kxg4#
      • 1...fxg6+
        • 2.Kxg6#
      • 1...Ra8
        • 2.Qxg7#
      • 1...Rb8
        • 2.Qxg7#
      • 1...Rc8
        • 2.Qxg7#
      • 1...Rd8
        • 2.Qxg7#
      • 1...Re8
        • 2.Qxg7#
      • 1...Rf8
        • 2.Qxg7#
      • 1...Bf5
        • 2.Sxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 7
  • Sets
    • B(b);::R(B)+K(E)
    • B(b);N_GUARD::S(C),XP(c)
    • B(b);CHECK::R(B)+K(E),XB(b)
  • Tries
    • Try
      • S(C);CHECK,P_SPINP(D)
      • Vars
        • P(c);CHECK,XS(C)::R(B)+K(E),XP(c)
      • Refutation
        • K(f);N_SPINP(d),P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR2(A)
    • Vars
      • B(b);CHECK::R(B)+K(E),XB(b)
      • P(c);CHECK,XQ(A)::R(B)+K(E),XP(c)
      • R(e);N_GUARD,SBLOCK::QAB1(A),XP(d)
      • R(e);N_GUARD::QAB1(A),XP(d)
      • B(b);N_GUARD::S(C),XP(c)
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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).