MESON Chess Problem Database

Problem Display
PID: 175271 (2N1R3/8/N7/kpK4B/3p2p1/5p2/p4PQ1/B7 w - - 0 1)

Berlin, Dieter

Source?, 0000

2N1R3/8/N7/kpK4B/3p2p1/5p2/p4PQ1/B7

#3

8 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa6
      • 2.Re7
        • threat
          • 3.Ra7#
        • 2...Ka5
          • 3.Ra7#
  • Tries
    • 1.Sb6?
      • threat
        • 2.Sb4
          • threat
            • 3.Ra8#
        • 2.Sc7
          • threat
            • 3.Ra8#
        • 2.Ra8
          • threat
            • 3.Sb4#
            • 3.Sc7#
            • 3.Sb8#
      • 1...b4
        • 2.Sxb4
          • threat
            • 3.Ra8#
        • 2.Sc7
          • threat
            • 3.Ra8#
        • 2.Ra8
          • threat
            • 3.Sxb4#
            • 3.Sc7#
            • 3.Sb8#
      • 1...Kxa6!
    • 1.Qf1?
      • threat
        • 2.Qxb5#
      • 1...Ka4
        • 2.Sb6+
          • 2...Ka3
            • 3.Qd3#
          • 2...Kb3
            • 3.Qd3#
          • 2...Ka5
            • 3.Qxb5#
        • 2.Qxb5+
          • 2...Ka3
            • 3.Bb2#
            • 3.Qb4#
      • 1...d3!
    • 1.Qxf3?
      • threat
        • 2.Qa3#
      • 1...Ka4
        • 2.Sb6+
          • 2...Ka5
            • 3.Qa3#
      • 1...d3
        • 2.Qd5
          • threat
            • 3.Qxa2#
          • 2...Ka4
            • 3.Qxa2#
          • 2...Kxa6
            • 3.Qa8#
        • 2.Qf7
          • threat
            • 3.Qxa2#
          • 2...Ka4
            • 3.Qxa2#
          • 2...Kxa6
            • 3.Qa7#
      • 1...b4
        • 2.Qe2
          • threat
            • 3.Qb5#
            • 3.Qxa2#
          • 2...Ka4
            • 3.Qxa2#
        • 2.Qc6
          • threat
            • 3.Qb5#
        • 2.Qb7
          • threat
            • 3.Qb5#
          • 2...Ka4
            • 3.Qxb4#
      • 1...gxf3!
    • 1.Qxg4?
      • threat
        • 2.Qe6
          • threat
            • 3.Qxa2#
          • 2...Ka4
            • 3.Qxa2#
      • 1...Kxa6
        • 2.Re7
          • threat
            • 3.Ra7#
          • 2...Ka5
            • 3.Ra7#
        • 2.Qxf3
          • threat
            • 3.Qa8#
          • 2...Ka5
            • 3.Qa8#
            • 3.Qa3#
        • 2.Qd7
          • threat
            • 3.Qxb5#
            • 3.Qa7#
          • 2...Ka5
            • 3.Qxb5#
            • 3.Qa7#
        • 2.Qe4
          • threat
            • 3.Qa8#
          • 2...Ka5
            • 3.Qa8#
        • 2.Qg7
          • threat
            • 3.Qa7#
          • 2...Ka5
            • 3.Qa7#
      • 1...b4
        • 2.Qd7
          • threat
            • 3.Qb5#
          • 2...Kxa6
            • 3.Qb5#
            • 3.Qa7#
      • 1...Ka4!
  • Keys
    • 1.Re2!
      • threat
        • 2.Rxa2#
      • 1...Ka4
        • 2.Rxa2+
          • 2...Kb3
            • 3.Bf7#
      • 1...Kxa6
        • 2.Re7
          • threat
            • 3.Ra7#
          • 2...Ka5
            • 3.Ra7#
      • 1...fxe2
        • 2.Qd5
          • threat
            • 3.Qxa2#
          • 2...Ka4
            • 3.Qxa2#
          • 2...Kxa6
            • 3.Qa8#

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).