MESON Chess Problem Database

Problem Display
PID: 129797 (8/8/6n1/4n2Q/k7/1p1B4/3B4/1N1K4 w - - 0 1)

Cumpe, Josef

Slowo Polskie, 1933

8/8/6n1/4n2Q/k7/1p1B4/3B4/1N1K4

#2

5 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd3
      • 2.Qa5#
    • 1...Sf3
      • 2.Bb5#
      • 2.Qa5#
      • 2.Qb5#
    • 1...Sg4
      • 2.Bb5#
      • 2.Qa5#
      • 2.Qb5#
    • 1...Sc6
      • 2.Bb5#
      • 2.Qb5#
    • 1...Sd7
      • 2.Bb5#
      • 2.Qa5#
      • 2.Qb5#
    • 1...Sf7
      • 2.Bb5#
      • 2.Qa5#
      • 2.Qb5#
  • Tries
    • 1.Qxe5?
      • threat
        • 2.Bb5#
        • 2.Qa1#
        • 2.Qd4#
        • 2.Qe4#
        • 2.Qa5#
        • 2.Qb5#
        • 2.Qe8#
      • 1...b2
        • 2.Bc2#
        • 2.Qb5#
      • 1...Se7
        • 2.Bb5#
        • 2.Qa1#
        • 2.Qd4#
        • 2.Qf4#
        • 2.Qe4#
        • 2.Qa5#
        • 2.Qb5#
      • 1...Sf8
        • 2.Bb5#
        • 2.Qa1#
        • 2.Qd4#
        • 2.Qf4#
        • 2.Qe4#
        • 2.Qa5#
        • 2.Qb5#
      • 1...Sxe5!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Bb5#
      • 1...Sxd3
        • 2.Qe8#
      • 1...Sc4
        • 2.Qe8#
      • 1...b2
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATE,XB(D)::QAR1(E)
  • Tries
    • Try
      • Q(E);XS(c)
      • Threat
        • DUALS(7)
      • Refutation
        • S(d);XQ(E)
  • Actual
    • Q(E);
    • Threat
      • B(D)
    • Vars
      • S(c);OGATE,XB(D)::QAB(E)
      • S(c);OGATE::QAB(E)
      • P(a);OGATEB::B(D)
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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).