Problem Display
PID: 5723 (8/8/8/8/8/b7/B1k1K3/1N5Q w - - 0 1)

Agapov, Igor Alexeyevich

3rd Prize, Bron MT, 1986

8/8/8/8/8/b7/B1k1K3/1N5Q

#3

4 + 2


3296 Shakhmatny zadachi miniaturi 1987
9939 64 Shakhmatnoe obozrenie 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Bb2
      • 2.Qd1#
  • Tries
    • 1.Sxa3+?
      • 1...Kb2
        • 2.Qb1+
          • 2...Kxa3
            • 3.Qb3#
          • 2...Kc3
            • 3.Sb5#
      • 1...Kc3!
    • 1.Qb7?
      • threat
        • 2.Qb3+
          • 2...Kc1
            • 3.Qc3#
      • 1...Bb4
        • 2.Qxb4
          • 2...Kc1
            • 3.Qd2#
            • 3.Qc3#
      • 1...Bb2
        • 2.Qc6+
          • 2...Bc3
            • 3.Qxc3#
        • 2.Qc8+
          • 2...Bc3
            • 3.Qxc3#
        • 2.Qb3+
          • 2...Kc1
            • 3.Qd1#
        • 2.Qb4
          • threat
            • 3.Qd2#
          • 2...Kc1
            • 3.Qd2#
          • 2...Bc1
            • 3.Qc3#
            • 3.Qb3#
          • 2...Bc3
            • 3.Qxc3#
        • 2.Qc7+
          • 2...Bc3
            • 3.Qxc3#
      • 1...Kc1!
    • 1.Qe1?
      • threat
        • 2.Qd2#
        • 2.Qc3#
      • 1...Bb4
        • 2.Qxb4
          • 2...Kc1
            • 3.Qd2#
            • 3.Qc3#
      • 1...Kb2!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qc3#
      • 1...Bb4
        • 2.Qa1
          • 2...Kc1
            • 3.Sa3#
          • 2...Be1
            • 3.Sa3#
          • 2...Bd2
            • 3.Sa3#
          • 2...Ba3
            • 3.Sxa3#
            • 3.Qc3#
          • 2...Bc3
            • 3.Sa3#
            • 3.Qxc3#
          • 2...Ba5
            • 3.Sa3#
          • 2...Bc5
            • 3.Qc3#
          • 2...Bd6
            • 3.Qc3#
          • 2...Be7
            • 3.Qc3#
          • 2...Bf8
            • 3.Qc3#
      • 1...Bb2
        • 2.Qc8+
          • 2...Bc3
            • 3.Qxc3#

FEATURES


NOT CLASSIFIED


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).