Problem Display
PID: 254142 (4RK2/3N2p1/q1pp2pn/3P1kP1/3P4/2rP1P1N/6P1/rB4b1 w - - 0 1)

Mironov, Vassily Alekseevich

Schach, 1986

4RK2/3N2p1/q1pp2pn/3P1kP1/3P4/2rP1P1N/6P1/rB4b1

#3

11 + 10


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Sf7
      • 2.g4#
    • 1...Sg8
      • 2.g4#
  • Tries
    • 1.Kxg7?
      • threat
        • 2.Kxh6
          • threat
            • 3.Rf8#
            • 3.g4#
        • 2.Rf8+
          • 2...Sf7
            • 3.Rxf7#
            • 3.g4#
      • 1...cxd5
        • 2.Kxh6
          • threat
            • 3.g4#
      • 1...Qc4
        • 2.Rf8+
          • 2...Sf7
            • 3.Rxf7#
            • 3.g4#
      • 1...Qc8
        • 2.Kxh6
          • threat
            • 3.g4#
      • 1...Qa4
        • 2.Rf8+
          • 2...Sf7
            • 3.Rxf7#
            • 3.g4#
      • 1...Qb6
        • 2.Rf8+
          • 2...Sf7
            • 3.Rxf7#
            • 3.g4#
      • 1...Qa7
        • 2.Rf8+
          • 2...Sf7
            • 3.Rxf7#
            • 3.g4#
      • 1...Qa8
        • 2.Kxh6
          • threat
            • 3.g4#
      • 1...Be3
        • 2.Rf8+
          • 2...Sf7
            • 3.Rxf7#
            • 3.g4#
      • 1...Sg4
        • 2.Rf8+
          • 2...Sf6
            • 3.Rxf6#
            • 3.g4#
      • 1...Bxd4+!
  • Keys
    • 1.Se5!
      • threat
        • 2.g4+
          • 2...Sxg4
            • 3.fxg4#
      • 1...Qxd3
        • 2.Sc4
          • threat
            • 3.Sxd6#
          • 2...Rxc4
            • 3.Bxd3#
          • 2...Bh2
            • 3.Se3#
          • 2...Sf7
            • 3.g4#
      • 1...Rxd3
        • 2.Sxc6
          • threat
            • 3.Se7#
          • 2...Qxc6
            • 3.Bxd3#
          • 2...Bxd4
            • 3.Sxd4#
          • 2...Qb7
            • 3.Bxd3#
          • 2...Qa7
            • 3.Bxd3#
          • 2...Sg8
            • 3.g4#

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).