MESON Chess Problem Database

Problem Display
PID: 269015 (8/6Q1/2N5/1RP5/4k3/8/8/7K w - - 0 1)

Ivanov, Valery Alekseevich

Petrasinovic, Petrasin

1st Prize, Sem Shakhmatnikh not, 2020

8/6Q1/2N5/1RP5/4k3/8/8/7K

#3

5 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Rb3?
      • threat
        • 2.Qe5#
      • 1...Kf4
        • 2.Rg3
          • threat
            • 3.Qe5#
            • 3.Qg4#
          • 2...Ke4
            • 3.Qe5#
          • 2...Kf5
            • 3.Qe5#
      • 1...Kd5
        • 2.Qe5+
          • 2...Kc4
            • 3.Sa5#
          • 2...Kxc6
            • 3.Qd6#
      • 1...Kf5!
    • 1.Qd4+?
      • 1...Kf3
        • 2.Rb2
          • 2...Kg3
            • 3.Rb3#
      • 1...Kf5!
    • 1.Qe5+?
      • 1...Kd3
        • 2.Rb2
          • 2...Kc4
            • 3.Qd4#
      • 1...Kf3!
    • 1.Qg4+?
      • 1...Ke3
        • 2.Rb2
          • 2...Kd3
            • 3.Qd4#
      • 1...Kd5
        • 2.Rb6
          • 2...Kxc5
            • 3.Qd4#
      • 1...Kd3!
  • Keys
    • 1.Rb2!
      • 1...Ke3
        • 2.Qg4
          • 2...Kd3
            • 3.Qd4#
      • 1...Kf3
        • 2.Qd4
          • 2...Kg3
            • 3.Rb3#
      • 1...Kf4
        • 2.Rf2+
          • 2...Ke3
            • 3.Qd4#
          • 2...Ke4
            • 3.Qd4#
      • 1...Kd5
        • 2.Qe5+
          • 2...Kc4
            • 3.Qd4#
          • 2...Kxc6
            • 3.Qd6#
      • 1...Kf5
        • 2.Rf2+
          • 2...Ke4
            • 3.Qd4#
          • 2...Ke6
            • 3.Qf7#

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).