MESON Chess Problem Database

Problem Display
PID: 92509 (3kNB2/3B2K1/2pR2np/2p1n3/4b3/3p4/6p1/3Q4 w - - 0 1)

Vasta, Jan

Schach, 1950

3kNB2/3B2K1/2pR2np/2p1n3/4b3/3p4/6p1/3Q4

#3

6 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf3
      • 2.Qa4
        • threat
          • 3.Qa5#
          • 3.Qa8#
        • 2...Sxf8
          • 3.Qh4#
    • 1...Bd5
      • 2.Qa4
        • threat
          • 3.Qa5#
          • 3.Qa8#
        • 2...Sxf8
          • 3.Qh4#
    • 1...Bf5
      • 2.Qa4
        • threat
          • 3.Qa5#
          • 3.Qa8#
        • 2...Sxf8
          • 3.Qh4#
    • 1...Sf3
      • 2.Be6+
        • 2...Kxe8
          • 3.Bf7#
      • 2.Qa1
        • threat
          • 3.Qa5#
          • 3.Qa8#
        • 2...Sxf8
          • 3.Qf6#
    • 1...Sg4
      • 2.Be6+
        • 2...Kxe8
          • 3.Bf7#
  • Tries
    • 1.Qb3?
      • threat
        • 2.Qb6#
        • 2.Qb8#
      • 1...Sxd7
        • 2.Qb8#
      • 1...Sc4
        • 2.Qb8#
      • 1...Se7
        • 2.Qb6#
      • 1...Sxf8!
    • 1.Qa4?
      • threat
        • 2.Qa5#
        • 2.Qa8#
      • 1...Sxd7
        • 2.Qa8#
      • 1...Sc4
        • 2.Qa8#
      • 1...Se7
        • 2.Qa5#
      • 1...Sxf8!
    • 1.Qa1?
      • threat
        • 2.Qa5#
        • 2.Qa8#
      • 1...Sxd7
        • 2.Qa8#
      • 1...Sc4
        • 2.Qa8#
      • 1...Se7
        • 2.Qa5#
      • 1...Sxf8!
    • 1.Qb1?
      • threat
        • 2.Qb6#
        • 2.Qb8#
      • 1...Sxd7
        • 2.Qb8#
      • 1...Sc4
        • 2.Qb8#
      • 1...Se7
        • 2.Qb6#
      • 1...Sxf8!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Bxc6+
          • 2...Sd7
            • 3.Qxd7#
      • 1...Sxg4
        • 2.Be6+
          • 2...Kxe8
            • 3.Bf7#
      • 1...Bf5
        • 2.Qa4
          • threat
            • 3.Qa5#
            • 3.Qa8#
          • 2...Sxf8
            • 3.Qh4#
      • 1...Sc4
        • 2.Bxc6+
          • 2...Sxd6
            • 3.Qd7#
        • 2.Bc8+
          • 2...Kxe8
            • 3.Qd7#
          • 2...Sxd6
            • 3.Qd7#
      • 1...Sf7
        • 2.Bxc6+
          • 2...Sxd6
            • 3.Qd7#
        • 2.Bc8+
          • 2...Kxe8
            • 3.Qd7#
          • 2...Sxd6
            • 3.Qd7#

FEATURES

NOT CLASSIFIED
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).