MESON Chess Problem Database

Problem Display
PID: 9324 (4B3/1N6/1pn5/5N1Q/2k1nP2/K2p4/1P6/8 w - - 0 1)

Shinkman, William Anthony

Detroit Free Press, 1880

4B3/1N6/1pn5/5N1Q/2k1nP2/K2p4/1P6/8

#2

7 + 5

3925 The Golden Argosy 1929
3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Bf7#
      • 2.Qf7#
    • 1...Sd4
      • 2.Se3#
    • 1...Sa5
      • 2.Qf7#
    • 1...Sa7
      • 2.Qf7#
    • 1...Sb8
      • 2.Qf7#
    • 1...b5
      • 2.Bf7#
      • 2.Qf7#
  • Keys
    • 1.Qf3!
      • 1...Kb5
        • 2.Qxd3#
      • 1...Kd5
        • 2.Bf7#
      • 1...Sd2
        • 2.Qxc6#
      • 1...Sf2
        • 2.Qxc6#
      • 1...Sc3
        • 2.Qxc6#
      • 1...Sg3
        • 2.Qxc6#
      • 1...Sc5
        • 2.Sbd6#
      • 1...Sg5
        • 2.Qxc6#
      • 1...Sd6
        • 2.Qxc6#
      • 1...Sf6
        • 2.Qxc6#
      • 1...Sb4
        • 2.Qxe4#
      • 1...Sd4
        • 2.Se3#
      • 1...Sa5
        • 2.Qxe4#
      • 1...Se5
        • 2.Qxe4#
      • 1...Sa7
        • 2.Qxe4#
      • 1...Se7
        • 2.Qxe4#
      • 1...Sb8
        • 2.Qxe4#
      • 1...Sd8
        • 2.Qxe4#
      • 1...d2
        • 2.Qb3#
      • 1...b5
        • 2.Bf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 16
    • REMOVED MATES = 0
  • Sets
    • S(e);SBLOCK::S(D)
    • S(e);::QAB(E)
  • Actual
    • Q(E);
    • Vars
      • K(b);P_SPINS(e),S_FLIGHT::QAB(E),XP(a)
      • K(b);P_SPINS(c),S_FLIGHT::B(G)
      • S(c);OGATE::QAR2(E),XS(e)
      • S(c);N_GUARD,SBLOCK::S(F)
      • S(e);N_GUARD::QAR2(E),XS(c)
      • S(e);SBLOCK::S(D)
      • P(a);OGATE::QAB1(E)
      • P(d);SBLOCK::B(G)
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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).