Author: Simon Finn
Date: 01:11:41 10/30/01
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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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