Editing Threefold repetition (section)

===Two games between Alekhine and Lasker, 1914===
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{{Chess diagram small
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|Alekhine vs. Lasker <br />Moscow 1914
|rd|  |  |qd|  |rd|  |kd
|pd|  |pd|  |bd|  |  |  
|  |  |  |  |pd|nd|ql|pd
|  |  |  |pd|  |  |  |  
|  |  |  |  |  |  |  |  
|  |  |nl|bl|  |  |  |  
|pl|pl|pl|  |  |pl|pl|pl
|rl|  |  |  |  |  |kl|  
|Position after 16.Qg6
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|Lasker vs. Alekhine <br />St. Petersburg 1914
|  |  |  |  |  |  |  |rd
|  |  |pd|  |bd|pd|pd|pd
|  |  |pd|  |kd|  |  |  
|  |  |pl|  |nd|  |  |  
|  |  |  |ql|nl|  |  |  
|  |  |  |  |  |qd|  |  
|pl|pl|  |  |  |pl|  |pl
|rl|  |bl|rl|  |  |kl|  
|Position after 21.Qd4, 23.Kg1 and 25.Kg1
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The game<ref>{{cite web|url=http://www.chessgames.com/perl/chessgame?gid=1011905 |title=Alekhine vs.Lasker, 1914 |publisher=Chessgames.com |access-date=2020-07-02}}</ref> between [[Alexander Alekhine]] and [[world chess championship|world champion]] [[Emanuel Lasker]] in Moscow 1914 ended in a short draw. After 16.Qg6 ({{em|see diagram}}) the players [[draw by agreement|agreed to a draw]] because Alekhine can force the threefold repetition, for example 16...Qe8 17.Qxh6+ Kg8 18.Qg5+ Kh8 19.Qh6+.<ref>{{harvcol|Hooper|Whyld|1996|loc=p. 335. ''repetition of position''}}</ref> 

In the first game<ref>{{cite web|url=http://www.chessgames.com/perl/chessgame?gid=1011925 |title=Lasker vs. Alekhine, 1914 |publisher=Chessgames.com |access-date=2020-07-03}}</ref> between the two players in the St. Petersburg tournament 1914,<ref>{{cite web|url=https://www.chessgames.com/perl/chess.pl?page=3&tid=79286 |title=St. Petersburg (1914) |publisher=Chessgames.com |access-date=2020-09-07}}</ref> Alekhine, this time with the black pieces, after 21.Qd4 ({{em|see diagram}}), forced a draw by threefold repetition using a similar process.<ref>{{Harvcol|Bott|Morrison|1966|p=14}}</ref>
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