MESON Chess Problem Database

Problem Display
PID: 31407 (2R2q2/Kn1Bkp2/2P1p1Pp/B1p5/4N3/6NQ/8/8 w - - 0 1)

Winter-Wood, Edward John

Youth, 0000

2R2q2/Kn1Bkp2/2P1p1Pp/B1p5/4N3/6NQ/8/8

#2

9 + 7

3392 Chess Souvenirs 1886

SOLUTION

  • SOUND
  • Sets
    • 1...Qg7
      • 2.Re8#
    • 1...Qe8
      • 2.Rxe8#
    • 1...e5
      • 2.Sf5#
    • 1...fxg6
      • 2.Qxe6#
    • 1...f6
      • 2.Qxe6#
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qf6#
      • 1...Qxc8
        • 2.Qxf7#
      • 1...exf5
        • 2.Sxf5#
      • 1...fxg6
        • 2.Qxe6#
        • 2.Qxf8#
      • 1...Qd8
        • 2.Qxf7#
      • 1...Qe8
        • 2.Rxe8#
      • 1...Qg7
        • 2.Re8#
      • 1...Qh8
        • 2.Qxf7#
      • 1...f6
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • Q(g);N_GUARD::R1(I)
    • Q(g);N_GUARD::R1(I),XQ(g)
    • P(b);N_GUARD::S(A)
    • P(f);N_GUARD,XP(F)::QAR1(B),XP(b)
    • P(f);N_GUARD::QAR1(B),XP(b)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • Q(g);N_GUARD,XR(I)::QAR1(B),XP(f)
      • P(b);XQ(B)::S(A),XP(b)
      • Q(g);N_GUARD::QAR1(B),XP(f)
      • Q(g);N_GUARD::R1(I),XQ(g)
      • Q(g);N_GUARD::R1(I)
      • P(f);N_GUARD::QAR1(B),XP(b)
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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).