Problem Display
PID: 259894 (Q7/1p6/6p1/1NpB2Pp/PkP2R1K/5P2/P7/8 w - - 0 1)

Johner, Hans

Neue Zurcher Zeitung, 1950

Q7/1p6/6p1/1NpB2Pp/PkP2R1K/5P2/P7/8

#3

10 + 5


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Sets
    • 1...b6
      • 2.Be4
        • 2...Kxc4
          • 3.Bb1#
          • 3.Bc2#
          • 3.Bf5#
          • 3.Bxg6#
  • Tries
    • 1.Be4?
      • threat
        • 2.Bc2
          • 2...b6
            • 3.a3#
      • 1...Kxc4
        • 2.Qa5
          • 2...b6
            • 3.Qc3#
      • 1...b6!
    • 1.Bc6?
      • 1...b6
        • 2.Be4
          • 2...Kxc4
            • 3.Bb1#
            • 3.Bc2#
            • 3.Bf5#
            • 3.Bxg6#
      • 1...bxc6!
    • 1.Qxb7?
      • 1...Kxa4
        • 2.Sa3
          • 2...Kxa3
            • 3.Qb3#
          • 2...Ka5
            • 3.Qb5#
        • 2.Sc3+
          • 2...Ka3
            • 3.Qb3#
          • 2...Ka5
            • 3.Qb5#
        • 2.Sd6
          • 2...Ka3
            • 3.Qb3#
          • 2...Ka5
            • 3.Qb5#
        • 2.Sa7
          • 2...Ka3
            • 3.Qb3#
          • 2...Ka5
            • 3.Qb5#
        • 2.Sc7
          • 2...Ka3
            • 3.Qb3#
          • 2...Ka5
            • 3.Qb5#
        • 2.Qa6+
          • 2...Kb4
            • 3.Qa3#
        • 2.Qa8+
          • 2...Kb4
            • 3.Qa3#
        • 2.Qa7+
          • 2...Kb4
            • 3.Qa3#
      • 1...Ka5!
    • 1.Qd8?
      • 1...Kxa4
        • 2.Qa8+
          • 2...Kb4
            • 3.Qa3#
      • 1...b6!
    • 1.Qh8?
      • threat
        • 2.Qc3+
          • 2...Kxa4
            • 3.Qa3#
      • 1...Kxa4
        • 2.Qc3
          • 2...b6
            • 3.Qa3#
        • 2.Qa8+
          • 2...Kb4
            • 3.Qa3#
      • 1...Ka5!
  • Keys
    • 1.Bg8!
      • 1...b6
        • 2.Rf7
          • 2...Kxc4
            • 3.Qe4#

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).