MESON Chess Problem Database

Problem Display
PID: 81320 (8/8/8/8/8/Q2p1K2/2k2N2/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

200 Shakhmatni Zadachi, 1983

8/8/8/8/8/Q2p1K2/2k2N2/8

#3

3 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kd2
      • 2.Qb2+
        • 2...Ke1
          • 3.Qc1#
      • 2.Qc5
        • 2...Ke1
          • 3.Qc1#
  • Tries
    • 1.Sxd3?
      • threat
        • 2.Ke2
          • 2...Kb1
            • 3.Qb2#
        • 2.Ke3
          • 2...Kb1
            • 3.Qb2#
          • 2...Kd1
            • 3.Qc1#
            • 3.Qb3#
            • 3.Qa4#
      • 1...Kb1
        • 2.Qb2#
      • 1...Kd1
        • 2.Qc1#
      • 1...Kd2!
    • 1.Qa2+?
      • 1...Kc1
        • 2.Sxd3+
          • 2...Kd1
            • 3.Qe2#
      • 1...Kc3!
    • 1.Qb3+?
      • 1...Kc1
        • 2.Ke3
          • 2...d2
            • 3.Sd3#
      • 1...Kd2
        • 2.Qc4
          • 2...Ke1
            • 3.Qc1#
        • 2.Qb2+
          • 2...Ke1
            • 3.Qc1#
      • 1...Kxb3!
    • 1.Qc3+?
      • 1...Kb1
        • 2.Sd1
          • threat
            • 3.Qb2#
          • 2...Ka2
            • 3.Qb2#
        • 2.Sxd3
          • 2...Ka2
            • 3.Qb2#
      • 1...Kxc3!
  • Keys
    • 1.Sd1!
      • 1...Kxd1
        • 2.Qb2
          • 2...Ke1
            • 3.Qc1#
          • 2...d2
            • 3.Qb1#
      • 1...Kd2
        • 2.Se3
          • 2...Ke1
            • 3.Qc1#
      • 1...d2
        • 2.Ke2
          • 2...Kb1
            • 3.Qb2#
        • 2.Qb2+
          • 2...Kxd1
            • 3.Qb1#
          • 2...Kd3
            • 3.Qc3#

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).