MESON Chess Problem Database

Problem Display
PID: 258827 (8/2Q5/8/8/bp5n/1p3p2/1K1p4/1NNkbB2 w - - 0 1)

Keeney, Palmer Gunkel

Manchester Weekly Times, 1893

(First published on Fri Apr 7 1893)

8/2Q5/8/8/bp5n/1p3p2/1K1p4/1NNkbB2

#2

5 + 8

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...dxc1Q+
      • 2.Qxc1#
    • 1...dxc1S
      • 2.Qxc1#
    • 1...dxc1B+
      • 2.Qxc1#
    • 1...dxc1R
      • 2.Qxc1#
    • 1...f2
      • 2.Be2#
  • Keys
    • 1.Qc3!
      • 1...dxc1Q+
        • 2.Qxc1#
      • 1...dxc1B+
        • 2.Qxc1#
      • 1...bxc3+
        • 2.Sxc3#
      • 1...dxc1S
        • 2.Qxc1#
      • 1...dxc1R
        • 2.Qxc1#
      • 1...Bf2
        • 2.Qxd2#
      • 1...Bg3
        • 2.Qxd2#
      • 1...Bb5
        • 2.Qxb3#
      • 1...Bc6
        • 2.Qxb3#
      • 1...Bd7
        • 2.Qxb3#
      • 1...Be8
        • 2.Qxb3#
      • 1...Sg2
        • 2.Qxf3#
      • 1...Sf5
        • 2.Qxf3#
      • 1...Sg6
        • 2.Qxf3#
      • 1...f2
        • 2.Be2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • P(c);CHECK,OGATE,XS(B)::QAR1(E),XQ(c)
    • P(c);OGATE,XS(B)::QAR1(E),XS(c)
    • P(c);CHECK,OGATE,XS(B)::QAR1(E),XB(c)
    • P(c);OGATE,XS(B)::QAR1(E),XR(c)
    • P(e);N_GUARD::B(C)
  • Actual
    • Q(E);
    • Vars
      • P(c);CHECK,OGATE,XS(B)::QAR1(E),XQ(c)
      • P(c);CHECK,OGATE,XS(B)::QAR1(E),XB(c)
      • P(g);CHECK,XQ(E)::S(A),XP(g)
      • P(c);OGATE,XS(B)::QAR1(E),XS(c)
      • P(c);OGATE,XS(B)::QAR1(E),XR(c)
      • B(b);N_GUARD::QAR1(E),XP(c)
      • B(f);N_GUARD::QAB(E),XP(d)
      • S(h);N_GUARD::QAB(E),XP(e)
      • P(e);N_GUARD::B(C)
HTML5 logo

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).