MESON Chess Problem Database

Problem Display
PID: 175535 (6n1/3ppp2/4b2p/1K1pkp1P/7P/4P3/2Q5/8 w - - 0 1)

Zimmermann, Stepan

Source?, 1900

6n1/3ppp2/4b2p/1K1pkp1P/7P/4P3/2Q5/8

#2

5 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qc4?
      • 1...Kd6
        • 2.Qf4#
      • 1...Kf6
        • 2.Qd4#
      • 1...d4
        • 2.Qxd4#
      • 1...f4
        • 2.Qxf4#
      • 1...Sf6
        • 2.Qf4#
      • 1...d6
        • 2.Qd4#
      • 1...f6
        • 2.Qf4#
      • 1...dxc4!
  • Keys
    • 1.Qa4!
      • 1...Kd6
        • 2.Qf4#
      • 1...Kf6
        • 2.Qd4#
      • 1...d4
        • 2.Qxd4#
      • 1...f4
        • 2.Qxf4#
      • 1...Sf6
        • 2.Qf4#
      • 1...d6
        • 2.Qd4#
      • 1...f6
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::QAB(A)
        • P(a);::QAB1(A),XP(a)
        • P(c);::QAB1(A),XP(c)
        • S(i);SBLOCK::QAB1(A)
        • P(f);SBLOCK::QAB1(A)
        • P(h);SBLOCK::QAB1(A)
      • Refutation
        • P(a);XQ(A)
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT::QAB(A)
      • P(a);::QAB1(A),XP(a)
      • P(c);::QAB1(A),XP(c)
      • S(i);SBLOCK::QAB1(A)
      • P(f);SBLOCK::QAB1(A)
      • P(h);SBLOCK::QAB1(A)
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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).