MESON Chess Problem Database

Problem Display
PID: 26943 (4b3/5p2/5B2/p6K/2p1BNp1/2Q4p/k1p5/2q5 w - - 0 1)

Aleksandrov, Vladimir Aleksandrovich

The Problemist, 1994

4b3/5p2/5B2/p6K/2p1BNp1/2Q4p/k1p5/2q5

#3

5 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kb1
      • 2.Qa1#
    • 1...Qb2
      • 2.Qxb2#
    • 1...Qd2
      • 2.Qb2#
    • 1...Qa3
      • 2.Qxc2+
        • 2...Qb2
          • 3.Qxb2#
    • 1...Qe3
      • 2.Qb2#
    • 1...Qxf4
      • 2.Qb2#
    • 1...Qa1
      • 2.Qxc2+
        • 2...Ka3
          • 3.Be7#
        • 2...Qb2
          • 3.Qxb2#
    • 1...Qd1
      • 2.Qb2#
    • 1...Qe1
      • 2.Qb2#
    • 1...Qf1
      • 2.Qb2#
    • 1...Qg1
      • 2.Qb2#
    • 1...Qh1
      • 2.Qb2#
  • Tries
    • 1.Se2?
      • threat
        • 2.Sxc1+
          • 2...Kb1
            • 3.Qa1#
            • 3.Qb2#
            • 3.Qxc2#
      • 1...Qg5+
        • 2.Kxg5
          • threat
            • 3.Qb2#
          • 2...c1Q+
            • 3.Sxc1#
          • 2...c1B+
            • 3.Sxc1#
          • 2...Kb1
            • 3.Qa1#
            • 3.Qb2#
            • 3.Qxc2#
      • 1...Qh6+
        • 2.Kxh6
          • threat
            • 3.Qb2#
          • 2...c1Q+
            • 3.Sxc1#
          • 2...c1B+
            • 3.Sxc1#
          • 2...Kb1
            • 3.Qa1#
            • 3.Qb2#
            • 3.Qxc2#
      • 1...Qa3
        • 2.Qxc2+
          • 2...Qb2
            • 3.Qxb2#
      • 1...Qa1
        • 2.Qxc2+
          • 2...Ka3
            • 3.Be7#
          • 2...Qb2
            • 3.Qxb2#
      • 1...Ba4
        • 2.Sxc1+
          • 2...Kb1
            • 3.Qa1#
            • 3.Qb2#
      • 1...Qb1!
    • 1.Bd5?
      • threat
        • 2.Bxc4+
          • 2...Kb1
            • 3.Qa1#
        • 2.Qxc4+
          • 2...Kb1
            • 3.Qa2#
          • 2...Ka3
            • 3.Qb3#
      • 1...Qb1
        • 2.Bxc4+
          • 2...Qb3
            • 3.Qa1#
            • 3.Qb2#
            • 3.Qxb3#
      • 1...Qa3
        • 2.Qxc2+
          • 2...Qb2
            • 3.Qxb2#
      • 1...Qa1
        • 2.Bxc4+
          • 2...Kb1
            • 3.Qxa1#
        • 2.Qxc2+
          • 2...Ka3
            • 3.Be7#
          • 2...Qb2
            • 3.Qxb2#
      • 1...Ba4
        • 2.Bxc4+
          • 2...Kb1
            • 3.Qa1#
          • 2...Bb3
            • 3.Qxb3#
        • 2.Qxc4+
          • 2...Kb1
            • 3.Qa2#
          • 2...Ka3
            • 3.Qc5#
          • 2...Bb3
            • 3.Qxb3#
      • 1...a4
        • 2.Bxc4+
          • 2...Kb1
            • 3.Qa1#
        • 2.Qxc4+
          • 2...Kb1
            • 3.Qa2#
          • 2...Ka3
            • 3.Qc3#
            • 3.Qc5#
      • 1...Bb5!
    • 1.Qxc2+?
      • 1...Ka3
        • 2.Be7#
      • 1...Qb2
        • 2.Qxb2#
      • 1...Qxc2!
    • 1.Qxc4+?
      • 1...Kb1
        • 2.Qb3+
          • 2...Qb2
            • 3.Qxb2#
      • 1...Ka3!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sxc1+
          • 2...Kb1
            • 3.Qa1#
            • 3.Qb2#
            • 3.Qxc2#
      • 1...Qg5+
        • 2.Kxg5
          • threat
            • 3.Qb2#
          • 2...c1Q+
            • 3.Sxc1#
          • 2...c1B+
            • 3.Sxc1#
          • 2...Kb1
            • 3.Qa1#
            • 3.Qb2#
      • 1...Qh6+
        • 2.Kxh6
          • threat
            • 3.Qb2#
          • 2...c1Q+
            • 3.Sxc1#
          • 2...c1B+
            • 3.Sxc1#
          • 2...Kb1
            • 3.Qa1#
            • 3.Qb2#
      • 1...cxd3
        • 2.Bd5+
          • 2...Kb1
            • 3.Qa1#
      • 1...Qb1
        • 2.Qxa5+
          • 2...Kb3
            • 3.Sc5#
          • 2...Ba4
            • 3.Qxa4#
      • 1...Qa3
        • 2.Qxc2+
          • 2...Qb2
            • 3.Qxb2#
      • 1...Qa1
        • 2.Qxc2+
          • 2...Ka3
            • 3.Be7#
          • 2...Qb2
            • 3.Qxb2#
      • 1...Ba4
        • 2.Sxc1+
          • 2...Kb1
            • 3.Qa1#
            • 3.Qb2#

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).