Author: Simon Finn
Date: 01:11:41 10/30/01
Go up one level in this thread
On October 29, 2001 at 20:58:35, Dieter Buerssner wrote:
>On October 29, 2001 at 04:36:52, Simon Finn wrote:
>
>[Many snips]
>>On October 29, 2001 at 01:30:12, Dieter Buerssner wrote:
>>
>>>[ECO "D37"]
>>>[Opening "QGD"]
>>>[Variation "4.Nf3"]
>
>>>1. d4 {0s} d5 {0s} 2. Nf3 {2s} Nf6 {0s} 3. c4 {2s} e6 {0s} 4. Nc3 {1s} Be7
>>>{0s} 5. Bg5 {1s} h6 {0s} 6. Bxf6 {2s} Bxf6 {0s} 7. e3 {2s} O-O {0s} 8. Qc2
>
>>>For the opening experts. You may see how Yace calls the opening and the ECO
>>>code. In my database I actually have
>>>
>>>1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3
>>>
>>>for this name. Is it correct, to call it the same with the transposition of
>>>moves?
>>
>>Yes - I would classify the position after White's 4th move as D37.
>>
>>>Shredder 5 calls it D55 classical Queens gambit (my translation from the German
>>>"klassisches Damengambit).
>>
>>After White's 5th move, the position has transposed into D55.
>>(The entry in D37 in my - first edition - of ECO just says
>>"5. Bg5 - D55".)
Whoops - I misread my book. It actually says D53.
>>
>>I think that it is normal (and most useful) to classify games by the
>>ECO code of the last recognisable position, so I would say that
>>Shredder is correct here.
>
>Thanks. At least my idea of classifying the openings seems right. But my
>database for this (from the net) seems to be wrong. For D55, the shortest line I
>have is:
>
>1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3
>
>So, this line is already too long for D55 - correct?
No - the line is correct. The game transposes from D53 to D55 after 7...O-O.
>
>Other lines, with ECO D55 are even longer, but start with the same sequence QGD:
>"Pillsbury attack", "Neo-Orthodox variation", "Neo-Orthodox variation, 7.Bxf6",
>"Petrosian variation" and "Neo-Orthodox variation, 7.Bh4"
>
>Regards,
>Dieter
Sorry for adding to the confusion ...
Simon
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