MESON Chess Problem Database

Problem Display
PID: 1204 (8/2N5/8/8/4k3/4B3/8/2Q1K3 w - - 0 1)

Kolpakov, Viktor Sergeevich

The Problemist Supplement, 1998

8/2N5/8/8/4k3/4B3/8/2Q1K3

#3

4 + 1

3666 Problem Paradise 1999
3713 Snap 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qc6
        • 2...Kf5
          • 3.Qe6#
  • Tries
    • 1.Ke2?
      • threat
        • 2.Qf1
          • 2...Ke5
            • 3.Qf4#
        • 2.Qc4+
          • 2...Ke5
            • 3.Qe6#
            • 3.Qf4#
          • 2...Kf5
            • 3.Qe6#
        • 2.Qc6+
          • 2...Ke5
            • 3.Qe6#
          • 2...Kf5
            • 3.Qe6#
      • 1...Ke5
        • 2.Qc6
          • 2...Kf5
            • 3.Qe6#
      • 1...Kf5!
    • 1.Kf2?
      • threat
        • 2.Qc4+
          • 2...Ke5
            • 3.Qe6#
            • 3.Qf4#
          • 2...Kf5
            • 3.Qe6#
      • 1...Kd3
        • 2.Qc5
          • 2...Ke4
            • 3.Qd5#
      • 1...Ke5
        • 2.Qc6
          • 2...Kf5
            • 3.Qe6#
      • 1...Kf5!
    • 1.Qc5?
      • 1...Kd3
        • 2.Kf2
          • 2...Ke4
            • 3.Qd5#
        • 2.Bc1
          • 2...Ke4
            • 3.Qd5#
        • 2.Bd2
          • 2...Ke4
            • 3.Qd5#
        • 2.Bg5
          • 2...Ke4
            • 3.Qd5#
        • 2.Bh6
          • 2...Ke4
            • 3.Qd5#
      • 1...Kf3!
    • 1.Qc6+?
      • 1...Kd3
        • 2.Bd2
          • 2...Kd4
            • 3.Qd5#
      • 1...Kxe3!
  • Keys
    • 1.Bh6!
      • threat
        • 2.Qe3+
          • 2...Kf5
            • 3.Qe6#
      • 1...Kd3
        • 2.Qc5
          • 2...Ke4
            • 3.Qd5#
      • 1...Kf3
        • 2.Qg5
          • 2...Ke4
            • 3.Qd5#
      • 1...Kd4
        • 2.Ke2
          • 2...Ke4
            • 3.Qf4#
          • 2...Ke5
            • 3.Qf4#
      • 1...Kf5
        • 2.Qg5+
          • 2...Ke4
            • 3.Qd5#

Anticipated by 219606(1875), 240521(1906)

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).