Problem Display
PID: 211836 (7Q/4p3/1p2p1p1/1P5r/6p1/6P1/3pNR2/3K3k w - - 0 1)

Varkonyi, Hunor

Uj Nemezdek, 1927

7Q/4p3/1p2p1p1/1P5r/6p1/6P1/3pNR2/3K3k

#3

6 + 8


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Rh2
      • 2.Rxh2#
      • 2.Qxh2#
    • 1...Rh3
      • 2.Qa8#
    • 1...Rh4
      • 2.Qxh4#
      • 2.Qa8#
    • 1...Rh6
      • 2.Qxh6#
      • 2.Qa8#
    • 1...Rh7
      • 2.Qxh7#
      • 2.Qa8#
    • 1...e5
      • 2.Qa8+
        • 2...e4
          • 3.Qxe4#
    • 1...g5
      • 2.Qxh5#
      • 2.Qa8#
  • Tries
    • 1.Kxd2?
      • threat
        • 2.Qa1#
      • 1...e5
        • 2.Qa8+
          • 2...e4
            • 3.Qxe4#
            • 3.Qa1#
        • 2.Qc8
          • threat
            • 3.Qc1#
      • 1...Rxh8!
    • 1.Qd4?
      • threat
        • 2.Qe4#
      • 1...Rh2
        • 2.Qe4+
          • 2...Rg2
            • 3.Qxg2#
      • 1...Re5
        • 2.Qxe5
          • 2...g5
            • 3.Qh8#
            • 3.Qe4#
      • 1...Rf5!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Kxd2#
      • 1...Rxb5
        • 2.Kc2+
          • 2...Rb1
            • 3.Qh8#
            • 3.Qa8#
          • 2...d1Q+
            • 3.Qxd1#
          • 2...d1S
            • 3.Qxd1#
          • 2...d1B+
            • 3.Qxd1#
          • 2...d1R
            • 3.Qxd1#
        • 2.Kxd2+
          • 2...Rb1
            • 3.Qh8#
            • 3.Qxb1#
            • 3.Qa8#
      • 1...Rc5
        • 2.Kxd2+
          • 2...Rc1
            • 3.Qh8#
            • 3.Qxc1#
      • 1...Rd5
        • 2.Qa8
          • 2...e5
            • 3.Qh8#
          • 2...g5
            • 3.Qh8#

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).