MESON Chess Problem Database

Problem Display
PID: 152759 (r7/1B1p4/3K1P1q/b2N1N2/4k1P1/3p4/4ppP1/8 w - - 0 1)

Janet, Frank

Good Companions (December), 1915

r7/1B1p4/3K1P1q/b2N1N2/4k1P1/3p4/4ppP1/8

#2

7 + 8

SOLUTION

  • SOUND
  • Keys
    • 1.g3!
      • threat
        • 2.Sc3#
        • 2.Sde3#
        • 2.Sb4#
        • 2.Sf4#
        • 2.Sb6#
        • 2.Sc7#
        • 2.Sde7#
      • 1...Qf4+
        • 2.Sxf4#
      • 1...Qf8+
        • 2.Sde7#
      • 1...Qxf6+
        • 2.Sxf6#
      • 1...Ra6+
        • 2.Sb6#
      • 1...Bb4+
        • 2.Sxb4#
      • 1...Bc7+
        • 2.Sxc7#
      • 1...Kf3
        • 2.Sde3#
      • 1...d2
        • 2.Sb4#
        • 2.Sf4#
      • 1...Qc1
        • 2.Sc3#
      • 1...Qe3
        • 2.Sc3#
        • 2.Sdxe3#
        • 2.Sb4#
        • 2.Sf4#
        • 2.Sb6#
        • 2.Sc7#
        • 2.Sde7#
      • 1...Ra7
        • 2.Sc3#
      • 1...Rb8
        • 2.Sc3#
      • 1...Rc8
        • 2.Sc3#
        • 2.Sc7#
      • 1...Bc3
        • 2.Sxc3#
        • 2.Sde3#
        • 2.Sb4#
        • 2.Sf4#
        • 2.Sb6#
        • 2.Sc7#
        • 2.Sde7#
      • 1...Bb6
        • 2.Sc3#
        • 2.Sde3#
        • 2.Sb4#
        • 2.Sf4#
        • 2.Sxb6#
        • 2.Sc7#
        • 2.Sde7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(A);
    • Threat
      • DUALS(7)
    • Vars
      • Q(f);CHECK,N_PINP(F)::B(G)+S(C),XQ(f)
      • Q(f);CHECK,N_PINP(F)::B(G)+S(C)
      • Q(f);CHECK,XP(F)::B(G)+S(C),DCHECK,XQ(f)
      • R(h);CHECK::B(G)+S(C)
      • B(e);CHECK::B(G)+S(C),XB(e)
      • K(d);S_FLIGHT::B(G)+S(C)
      • Q(f);N_PINP(F)::B(G)+S(C),DCHECK
      • R(h);::B(G)+S(C),DCHECK
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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).