Problem Display
PID: 129112 (8/2p2p2/p4K2/Pk6/3QB3/8/8/8 w - - 0 1)

Pospisil, Josef

Samostatnost, 1912

8/2p2p2/p4K2/Pk6/3QB3/8/8/8

#3

4 + 4


3713 Snap 2009
6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kxa5
      • 2.Qc5+
        • 2...Ka4
          • 3.Bc2#
    • 1...c6
      • 2.Bc2
        • 2...Kxa5
          • 3.Qc5#
        • 2...c5
          • 3.Qa4#
  • Tries
    • 1.Kxf7?
      • 1...Kxa5
        • 2.Qc5+
          • 2...Ka4
            • 3.Bc2#
      • 1...c6
        • 2.Bc2
          • 2...Kxa5
            • 3.Qc5#
          • 2...c5
            • 3.Qa4#
      • 1...c5!
    • 1.Bc2?
      • threat
        • 2.Bb3
          • 2...Kxa5
            • 3.Qc5#
          • 2...Kc6
            • 3.Qd5#
          • 2...c5
            • 3.Qa4#
          • 2...c6
            • 3.Qb6#
      • 1...c6
        • 2.Kxf7
          • 2...Kxa5
            • 3.Qc5#
          • 2...c5
            • 3.Qa4#
        • 2.Bd1
          • 2...Kxa5
            • 3.Qc5#
          • 2...c5
            • 3.Qa4#
        • 2.Bb3
          • threat
            • 3.Qb6#
          • 2...Kxa5
            • 3.Qc5#
          • 2...c5
            • 3.Qa4#
      • 1...Kc6!
    • 1.Bd3+?
      • 1...Kxa5
        • 2.Qc5+
          • 2...Ka4
            • 3.Bc2#
      • 1...Kc6!
    • 1.Bf3?
      • 1...Kxa5
        • 2.Qc5+
          • 2...Ka4
            • 3.Bd1#
      • 1...c6
        • 2.Bd1
          • 2...Kxa5
            • 3.Qc5#
          • 2...c5
            • 3.Qa4#
      • 1...c5!
    • 1.Bc6+?
      • 1...Kxa5
        • 2.Qc5#
      • 1...Kxc6!
    • 1.Qc3?
      • threat
        • 2.Bc6#
      • 1...Ka4
        • 2.Bc6#
      • 1...c6
        • 2.Bxc6#
      • 1...c5!
    • 1.Qc5+?
      • 1...Ka4
        • 2.Bc2#
      • 1...Kxc5!
    • 1.Qc4+?
      • 1...Kxa5
        • 2.Qc5+
          • 2...Ka4
            • 3.Bc2#
      • 1...Kxc4!
  • Keys
    • 1.Bf5!
      • 1...Kxa5
        • 2.Qc5+
          • 2...Ka4
            • 3.Bc2#
      • 1...Kc6
        • 2.Qb4
          • 2...Kd5
            • 3.Be4#
      • 1...c5
        • 2.Bd7+
          • 2...Kxa5
            • 3.Qxc5#
      • 1...c6
        • 2.Bc2
          • 2...Kxa5
            • 3.Qc5#
          • 2...c5
            • 3.Qa4#

Anticipated by 57484(1895)

FEATURES


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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).