MESON Chess Problem Database

Problem Display
PID: 112574 (7n/8/rpN5/4p3/2p1N3/k1p5/b1Q5/3K4 w - - 0 1)

Vasta, Jan

Prager Presse, 1936

7n/8/rpN5/4p3/2p1N3/k1p5/b1Q5/3K4

#3

4 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra4
      • 2.Sxc3
        • threat
          • 3.Sb5#
          • 3.Qxa2#
      • 2.Qc1+
        • 2...Kb3
          • 3.Qxc3#
    • 1...Bb1
      • 2.Qxc3+
        • 2...Ka2
          • 3.Sb4#
        • 2...Ka4
          • 3.Qb4#
    • 1...b5
      • 2.Qc1+
        • 2...Kb3
          • 3.Sc5#
        • 2...Ka4
          • 3.Sc5#
  • Tries
    • 1.Kc1?
      • threat
        • 2.Sxc3
          • threat
            • 3.Sb5#
            • 3.Qxa2#
            • 3.Qb2#
      • 1...Ra4
        • 2.Sxc3
          • threat
            • 3.Sb5#
            • 3.Qxa4#
            • 3.Qxa2#
            • 3.Qb2#
        • 2.Qxc3+
          • 2...Bb3
            • 3.Qb2#
      • 1...Ra5
        • 2.Sxc3
          • threat
            • 3.Qxa2#
            • 3.Qb2#
      • 1...Bb1
        • 2.Kxb1
          • threat
            • 3.Qa2#
        • 2.Qxc3+
          • 2...Ka2
            • 3.Sb4#
            • 3.Qb2#
          • 2...Ka4
            • 3.Qb4#
      • 1...b5
        • 2.Sxc3
          • threat
            • 3.Sxb5#
            • 3.Qxa2#
            • 3.Qb2#
      • 1...Bb3!
    • 1.Ke2?
      • threat
        • 2.Sxc3
          • threat
            • 3.Sb5#
            • 3.Qxa2#
          • 2...Bb3
            • 3.Qc1#
      • 1...Bb3
        • 2.Qc1+
          • 2...Ka2
            • 3.Sxc3#
            • 3.Sb4#
          • 2...Ka4
            • 3.Sxc3#
      • 1...Ra4
        • 2.Sxc3
          • threat
            • 3.Sb5#
            • 3.Qxa2#
        • 2.Qc1+
          • 2...Kb3
            • 3.Qxc3#
      • 1...Ra5
        • 2.Sxc3
          • threat
            • 3.Qxa2#
          • 2...Bb1
            • 3.Sxb1#
          • 2...Bb3
            • 3.Qc1#
      • 1...Bb1
        • 2.Qxc3+
          • 2...Ka2
            • 3.Sb4#
          • 2...Ka4
            • 3.Qb4#
      • 1...b5
        • 2.Qc1+
          • 2...Kb3
            • 3.Sc5#
          • 2...Ka4
            • 3.Sc5#
      • 1...Sg6!
    • 1.Sxc3?
      • threat
        • 2.Sb5#
        • 2.Qxa2#
      • 1...Ra5
        • 2.Qxa2#
      • 1...Bb1
        • 2.Sxb1#
        • 2.Sb5#
      • 1...b5
        • 2.Sxb5#
        • 2.Qxa2#
      • 1...Bb3!
    • 1.Qc1+?
      • 1...Kb3
        • 2.Qxc3+
          • 2...Ka4
            • 3.Qb4#
      • 1...Ka4!
    • 1.Qxc3+?
      • 1...Ka4
        • 2.Qb4#
      • 1...Bb3+!
  • Keys
    • 1.Ke1!
      • threat
        • 2.Sxc3
          • threat
            • 3.Sb5#
            • 3.Qxa2#
          • 2...Bb3
            • 3.Qc1#
      • 1...Bb3
        • 2.Qc1+
          • 2...Ka2
            • 3.Sxc3#
            • 3.Sb4#
          • 2...Ka4
            • 3.Sxc3#
      • 1...Ra4
        • 2.Sxc3
          • threat
            • 3.Sb5#
            • 3.Qxa2#
        • 2.Qc1+
          • 2...Kb3
            • 3.Qxc3#
      • 1...Ra5
        • 2.Sxc3
          • threat
            • 3.Qxa2#
          • 2...Bb1
            • 3.Sxb1#
          • 2...Bb3
            • 3.Qc1#
      • 1...Bb1
        • 2.Qxc3+
          • 2...Ka2
            • 3.Sb4#
          • 2...Ka4
            • 3.Qb4#
      • 1...b5
        • 2.Qc1+
          • 2...Kb3
            • 3.Sc5#
          • 2...Ka4
            • 3.Sc5#

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).