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C06,C10: Strange moves in Tarrasch and Rubinstein (Read 2745 times)

dom God Member Offline Posts: 908 Location: Toulouse Joined: 01/11/03 Gender:	Re: Strange moves in Tarrasch and Rubinstein Reply #3 - 09/16/06 at 09:03:07	Post Tools	Print Post
	OK Thanks for the game Yes I have noted Misha Gurevich's favorite a6 (Shirov-Gurevich,Ol Turin 2006) .. ... and now the CB online database is really online Bye

	“Learn from the mistakes of others. You can never live long enough to make them all yourself.” - Groucho Marx
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MarinFan Senior Member Offline I Love ChessPublishing! Posts: 447 Location: Leeds Joined: 04/04/06 Gender:	Re: Strange moves in Tarrasch and Rubinstein Reply #2 - 09/13/06 at 12:23:21	Post Tools	Print Post
	Hello again, Can use the online DB again, so checked out about 7.Be3 a6 and found [Event "Gibraltar Masters"] [Site "Gibraltar"] [Date "2006.01.24"] [Round "9"] [White "Short,Nigel D"] [Black "Kortschnoj,Viktor"] [Result "1-0"] [Eco "C10"] 1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Be3 a6 8.Bd3 b6 9.0-0 Bb7 10.c4 Be7 11.Qe2 c5 12.dxc5 bxc5 13.Ne5 Bd6 14.Bf4 Qe7 15.Rad1 Rd8 16.Bc2 0-0 17.Bg5 h6 18.Bh4 g5 19.Bg3 Bb8 20.f4 Rxd1 21.Rxd1 Rd8 22.Rf1 Bxe5 23.fxe5 Ne8 24.Be1 Ng7 25.Bc3 Qd7 26.h4 gxh4 27.Qg4 Qc6 28.Rf2 h3 29.Qxh3 Nf5 30.Qg4+ Kf8 31.Bxf5 exf5 32.Qxf5 Qc7 33.Qh5 Qe7 34.Rf6 Bc8 35.Rxh6 1-0 There are lots of games with 7.Be3 in 2006, so looks like the in favour line against the Rubinstein at the moment. Bye John S


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MarinFan Senior Member Offline I Love ChessPublishing! Posts: 447 Location: Leeds Joined: 04/04/06 Gender:	Re: Strange moves in Tarrasch and Rubinstein Reply #1 - 09/12/06 at 09:07:40	Post Tools	Print Post
	Hello, Thanks for pointing out these games. It turns out 7.Be3 has been tried out more than I thought. Found a game of Sakaev from 97', were he thinks highly of the idea of keeping the two bishops with Bd2 after 7...d5, later responding to c5 with Bb5+, Qe2. This game is quite well annotated in ChessBase 2001. In the similar line 7.Bg5 h6 8.Be3 Gurevich has been succesful with 8... a6 9 Ne5 b6. The online chessbase is still playing up for me, so not sure if anyone has tried this idea after 7.Be3. (It might not be so good, because it seems that h6 is useful for playing g5 in some of these positions.) Have been looking at these Rubinstein lines recently as back-up to my main lines. (The ongoing Steintz game has got me worried at bit). Was trying to look through a classic Tal v Portisch '65 game from his book life and games, until it started falling apart. A Gurevich a6 idea can be transplanted to the line involved in this game too, 7.Bg5 c5 8.Bc4. Bye John S


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dom God Member Offline Posts: 908 Location: Toulouse Joined: 01/11/03 Gender:	C06,C10: Strange moves in Tarrasch and Rubinstein 09/10/06 at 16:01:01	Post Tools	Print Post
	I have some problem to access to chessbase online database, and today, I looked at games given in last TWIC pgn file file (twic617). There are some strange (or interesting) games, which deserve some explanation. First, there is Gwain Jones'games with Tarrasch variation (I choose this game because IM Gwain Jones is named in July update): [Event "It"] [Site "Hereford ENG"] [Date "2006.08.31"] [Round "5"] [White "Jones,G"] [Black "Stark,L"] [Result "1-0"] [WhiteElo "2416"] [BlackElo "2419"] [EventDate "2006.08.29"] [ECO "C06"] 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Bd3 Nb4 7. Be2 c5 8. c3 Nc6 9. Bd3 cxd4 10. cxd4 f6 11. exf6 Nxf6 12. O-O Bd6 13. Re1 O-O 14. Nf1 Qb6 15. Ng3 Bd7 16. Ne5 Rae8 17. Be3 Re7 18. Nh5 Be8 19. Nxf6+ Rxf6 20.Nxc6 Bxc6 21. Bg5 Qxb2 22. Bxf6 gxf6 23. Qg4+ Kh8 24. Qh4 Rf7 25. Bxh7 Rxh726. Qxf6+ Rg7 27. Qd8+ Kh7 28. Qxd6 Qxd4 29. Qxe6 Qf4 30. Qh3+ Kg8 31. Re3Bd7 32. Qf3 Qg5 33. Rae1 Bc6 34. Qh3 1-0 The strange move is: 16.Ne5 ?!? and I can't believe that two opponents both missed the simple: 16...Bxe5 17.dxe5 Ng4 where White is lost. For example: 18.Be3 Nxe3 19.Rxe3 Rxf2!! (Black can sacrifice queen with 19..Qxb2 20.Ne2 Nxe5 23.Rb1 Nxd3 24.Rxb2 Nxb2 but the rook sacrifice is better) 20.Kxf2 Rf8+ 21.Bf5 Nxe5 with two pins. ---------------------------------------------- Another strange move (I don't know if in theory) in another variation: 1/e4 e6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Nf6 6.Nxf6 Nxf6 7.Be3!? The move was played twice in French National chapionship versus Anatoly Vaisser (Fressinet-Vaisser and Sokolov-Vaisser,Besancon 2006 ; Vaisser played the immediate 7...Nd5) but maybe Be3 it's the current move in the variation because played in Ganguly-Roix,Aeroflot 2006 and Ivanchuk-Drovdoski,Odessa 2006. Fressinet-Vaisser is a good example, what is happening when Black wants too much...when playing Nb4 with a weak castle. Ivanchuk's game is a model game for opposite castle. In the game Drovdoski tried 13...h6. For 13...Nb4 look at Johansson-Besser,Halle zt 1967 (game was given by Ostapbender on the forum).
	« Last Edit: 07/31/11 at 17:02:28 by dom »
	“Learn from the mistakes of others. You can never live long enough to make them all yourself.” - Groucho Marx
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