| 词条 | Durkin Opening |
| 释义 |
|openingname = Durkin Opening |image = {{Chess diagram|| |rd|nd|bd|qd|kd|bd|nd|rd |pd|pd|pd|pd|pd|pd|pd|pd | | | | | | | | | | | | | | | | | | | | | | | | |nl| | | | | | | |pl|pl|pl|pl|pl|pl|pl|pl |rl| |bl|ql|kl|bl|nl|rl }} |moves = 1.Na3 |ECO = A00 |birth = |nameorigin = Robert T. Durkin |parentopening = Irregular chess opening |AKA = Durkin Attack Sodium Attack |chessgid = 2948278&move=1.5&moves=Na3 }} The Durkin Opening (also known as the Durkin Attack or the Sodium Attack) is a rarely played chess opening beginning with the move: 1. Na3 The Durkin Opening is named for Robert T. Durkin (1923–?) of New Jersey. The name "Sodium Attack" comes from the algebraic notation 1.Na3, as Na is the chemical symbol for the element sodium. White generally plans to follow up by playing c4.[1] {{AN chess|pos=toc}}AssessmentThis awkward development of the {{chessgloss|queen's knight}} does little to utilize White's advantage of the first move. From a3 the knight does not influence the {{chessgloss|center}} or possess much {{chessgloss|activity}}. It is likely that White will move this knight again soon, perhaps by playing c4 and either recapturing on c4 (e.g. 1...d5 2.c4 dxc4 3.Nxc4) or playing Nc2. If this is White's plan, it is stronger to play 1.c4 (the English Opening). As such, this opening is probably most valuable as a way to avoid opening preparation. On the other hand, there are better ways to avoid an opponent's opening preparation, for example by 1.Nc3. See also
References{{wikibooks|Chess Opening Theory|1. Na3|Durkin Opening}}1. ^{{cite book |last1=Kasparov |first1=Gary |authorlink1=Garry Kasparov |last2=Keene |first2=Raymond |authorlink2=Raymond Keene |title=Batsford Chess Openings |publisher=American Chess Promotions |year=1982 |page=3 |isbn=0-7134-2112-6 }} Bibliography
|last=Durkin |first=Robert |title= N-QR3!, a new opening : the Durkin attack |year=1959 }}
|last1=Benjamin |first1=Joel |authorlink1=Joel Benjamin |last2=Schiller |first2=Eric |authorlink2=Eric Schiller |title=Unorthodox Openings |publisher=Macmillan Publishing Company |year=1987 |contribution=Durkin Attack |pages=103–04 |isbn=0-02-016590-0 }}
|last1=Hooper |first1=David |authorlink1=David Vincent Hooper |last2=Whyld |first2=Kenneth |authorlink2=Kenneth Whyld |title=The Oxford Companion to Chess |publisher=Oxford University Press |edition=2nd |year=1996 |origyear=First pub. 1992 |page=117 |contribution=Durkin Opening |isbn=0-19-280049-3 }}
|last=Dunnington |first=Angus |author-link=Angus Dunnington |year=2000 |title=Winning Unorthodox Openings |publisher=Everyman Chess |isbn=978-1-85744-285-4 }}
|last=Schiller |first=Eric |authorlink=Eric Schiller |title=Unorthodox Chess Openings |publisher=Cardoza Publishing |year=2002 |edition=Second |page=454 |isbn=1-58042-072-9 }}{{chess-stub}} 1 : Chess openings |
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