Problem Display
PID: 201152 (2R5/2R5/3P3p/p7/8/1B4Pr/pNP2p1b/K1k2N2 w - - 0 1)

Sommer, Bruno Oswald

5th Prize, Teplitz-Schonauer Anzeiger, 1922

2R5/2R5/3P3p/p7/8/1B4Pr/pNP2p1b/K1k2N2

#3

9 + 7


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Rh4
      • 2.c3
        • threat
          • 3.Sd3#
        • 2...Rd4
          • 3.cxd4#
    • 1...Rh5
      • 2.c4
        • threat
          • 3.Sd3#
        • 2...Rd5
          • 3.cxd5#
  • Tries
    • 1.Bd5?
      • threat
        • 2.Sd3+
          • 2...Kd1
            • 3.Bf3#
        • 2.Bf3
          • threat
            • 3.Sd3#
      • 1...Bxg3
        • 2.Sd3+
          • 2...Kd1
            • 3.Bf3#
      • 1...Rh4
        • 2.Sd3+
          • 2...Kd1
            • 3.Bf3#
      • 1...Rh5
        • 2.Sd3+
          • 2...Kd1
            • 3.Bf3#
      • 1...Rxg3!
    • 1.Rc4?
      • threat
        • 2.Rd4
          • threat
            • 3.Rd1#
      • 1...Rxg3
        • 2.Rd4
          • threat
            • 3.Rd1#
          • 2...Rd3
            • 3.cxd3#
      • 1...Rh4
        • 2.c3
          • threat
            • 3.Sd3#
          • 2...Rd4
            • 3.cxd4#
      • 1...Rh5!
    • 1.Re7?
      • threat
        • 2.Sd3+
          • 2...Kd1
            • 3.c3#
            • 3.c4#
      • 1...Rxg3
        • 2.Sd3+
          • 2...Kd1
            • 3.c3#
            • 3.c4#
          • 2...Rxd3
            • 3.cxd3#
      • 1...a4!
    • 1.Re8?
      • threat
        • 2.Sd3+
          • 2...Kd1
            • 3.c3#
            • 3.c4#
      • 1...Rxg3
        • 2.Sd3+
          • 2...Kd1
            • 3.c3#
            • 3.c4#
          • 2...Rxd3
            • 3.cxd3#
      • 1...a4!
  • Keys
    • 1.Rc5!
      • threat
        • 2.Rd5
          • threat
            • 3.Rd1#
      • 1...Rxg3
        • 2.Rd5
          • threat
            • 3.Rd1#
          • 2...Rd3
            • 3.cxd3#
      • 1...Rh4
        • 2.c3
          • threat
            • 3.Sd3#
          • 2...Rd4
            • 3.cxd4#
      • 1...Rh5
        • 2.c4
          • threat
            • 3.Sd3#
          • 2...Rd5
            • 3.cxd5#

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).