MESON Chess Problem Database

Problem Display
PID: 95553 (8/p7/k2p4/npPB4/5p2/5n2/1K6/R2Q4 w - - 0 1)

Chocolous, Jiri

Munchner Zeitung, 1930

8/p7/k2p4/npPB4/5p2/5n2/1K6/R2Q4

#2

5 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...b4
      • 2.Qe2#
      • 2.Qf1#
      • 2.Qd3#
  • Tries
    • 1.Bxf3?
      • threat
        • 2.Qxd6#
      • 1...dxc5
        • 2.Qd6#
      • 1...b4
        • 2.Qe2#
        • 2.Qf1#
        • 2.Qd3#
      • 1...d5!
    • 1.Qxf3?
      • threat
        • 2.Bb7#
      • 1...b4
        • 2.Bc4#
        • 2.Qe2#
        • 2.Qf1#
        • 2.Qd3#
      • 1...dxc5!
    • 1.Qd2?
      • threat
        • 2.Rxa5#
        • 2.Qxa5#
      • 1...dxc5
        • 2.Qxa5#
      • 1...b4
        • 2.Qe2#
        • 2.Qd3#
      • 1...Sxd2!
  • Keys
    • 1.Qh1!
      • 1...dxc5
        • 2.Qh6#
      • 1...b4
        • 2.Qf1#
      • 1...Se1
        • 2.Bb7#
      • 1...Sg1
        • 2.Bb7#
      • 1...Sd2
        • 2.Bb7#
      • 1...Sh2
        • 2.Bb7#
      • 1...Sd4
        • 2.Bb7#
      • 1...Sh4
        • 2.Bb7#
      • 1...Se5
        • 2.Bb7#
      • 1...Sg5
        • 2.Bb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);XS(a)
      • Threat
        • QAR(B),XP(f)
      • Vars
        • P(f);XP(D)::QAR(B)
      • Refutation
        • P(f);
    • Try
      • Q(B);XS(a)
      • Threat
        • B(E)
      • Refutation
        • P(f);XP(D)
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(f);XP(D)::QAR1(B),XS(c)
      • Refutation
        • S(a);XQ(B)
  • Actual
    • Q(B);
    • Vars
      • P(f);OGATEB,XP(D)::QAB1(B)
      • P(d);OGATEB::QAB(B)
      • S(a);::B(E)
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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).