21. They are catalogued in reference works such as the " Encyclopaedia of Chess Openings ". 22. Whereas chess opening theory changes frequently, giving way to draw when it seems White must lose. 23. It is one of the oldest chess openings , having been discussed in the literature by 1497. 24. For more than forty years, Zuckerman has been a well-known authority on chess openings . 25. I wasn't able to find this referred to in any authoritative text on chess openings . 26. The article has since been through several moves and is currently called " Irregular chess opening ". 27. It contained information on common chess openings , standard problems in middle game, and annotated end games. 28. :Could somebody run a bot on these articles and make them redirect to List of chess openings ? 29. :If you are referring to an example from Chess opening , the closing bracket is not blue. 30. :: : Chess opening takes more than 50 seconds to load with action = purge ( ).
