Problem Display
PID: 211047 (8/8/8/N7/p7/4K3/b1Q5/k7 w - - 0 1)

Almgren, Sven Elias

Tidskrift for Schack, 1927

8/8/8/N7/p7/4K3/b1Q5/k7

#3

3 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Sc4?
      • threat
        • 2.Qb2#
      • 1...a3
        • 2.Sd2
          • threat
            • 3.Qc3#
          • 2...Bb1
            • 3.Sb3#
            • 3.Qxb1#
          • 2...Bb3
            • 3.Sxb3#
            • 3.Qb1#
          • 2...Bc4
            • 3.Qb1#
          • 2...Bd5
            • 3.Qb1#
          • 2...Be6
            • 3.Qb1#
          • 2...Bf7
            • 3.Qb1#
          • 2...Bg8
            • 3.Qb1#
        • 2.Sxa3
          • threat
            • 3.Qc3#
          • 2...Bb1
            • 3.Qxb1#
          • 2...Bb3
            • 3.Qb1#
          • 2...Bc4
            • 3.Qb1#
          • 2...Bd5
            • 3.Qb1#
          • 2...Be6
            • 3.Qb1#
          • 2...Bf7
            • 3.Qb1#
          • 2...Bg8
            • 3.Qb1#
        • 2.Qc3+
          • 2...Kb1
            • 3.Sd2#
            • 3.Sxa3#
      • 1...Bxc4!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Sb4
          • threat
            • 3.Qxa2#
          • 2...Bb1
            • 3.Qc3#
          • 2...Bb3
            • 3.Qc1#
          • 2...Bc4
            • 3.Qc1#
          • 2...Bd5
            • 3.Qc1#
          • 2...Be6
            • 3.Qc1#
          • 2...Bf7
            • 3.Qc1#
          • 2...Bg8
            • 3.Qc1#
      • 1...Bb1
        • 2.Qc3+
          • 2...Ka2
            • 3.Sb4#
      • 1...Bb3
        • 2.Qc1+
          • 2...Ka2
            • 3.Sb4#
      • 1...Bc4
        • 2.Sb4
          • threat
            • 3.Qc1#
          • 2...Ba2
            • 3.Qxa2#
          • 2...Bd3
            • 3.Qa2#
      • 1...Bd5
        • 2.Sb4
          • threat
            • 3.Qc1#
          • 2...Ba2
            • 3.Qxa2#
          • 2...Be4
            • 3.Qa2#
      • 1...Be6
        • 2.Sb4
          • threat
            • 3.Qc1#
          • 2...Ba2
            • 3.Qxa2#
          • 2...Bf5
            • 3.Qa2#
      • 1...Bf7
        • 2.Sb4
          • threat
            • 3.Qc1#
          • 2...Ba2
            • 3.Qxa2#
          • 2...Bg6
            • 3.Qa2#
      • 1...Bg8
        • 2.Sb4
          • threat
            • 3.Qc1#
          • 2...Ba2
            • 3.Qxa2#
          • 2...Bh7
            • 3.Qa2#

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).