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Normal Topic Kaufman's Moller Repertoire (Read 775 times)
MaxJudd
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Re: Kaufman's Moller Repertoire
Reply #9 - 11/12/19 at 19:25:23
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He says that the move order forces White to play c3 to prepare a4 which in turn prevents Nc3 and he thinks this is generally superior.
  
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Tauromachie
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Re: Kaufman's Moller Repertoire
Reply #8 - 11/11/19 at 23:15:04
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Is there some explanation to why he prefers the move order 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Bc5 over 5..b5!? 6.Bb3 Bc5 which as a matter of fact prevents the option of putting the bishop back to c2 ?
  
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MaxJudd
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Re: Kaufman's Moller Repertoire
Reply #7 - 11/09/19 at 17:22:32
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I am thinking of playing e5 more regularly to take up the Moller plus the Open. 

The book is available on Kindle in the US.  I'm starting to look at it and happy with it for what it is  . . . a one volume set of ideas.  Many of these lines are sidelines but not "no work" sidelines. Stronger players will need to flesh out the ideas quite a bit to feel confident with using some of them.  He tries to explain concepts and provide concrete variations but there are limits to what he can do in a single volume.  He can tell you that you will often get a Maroczy bind or the bishop pair but you have to learn elsewhere how to exploit those to your advantage.  He can't do everything.

He makes no apologies for leaving in gaps in lines stating that his preference was to substitute multiple options in some cases for covering every possibility recognizing obscure today isn't necessary obscure tomorrow.  For example, he gives three main options for Black in the Spanish (Marshall, Breyer, Moeller) and also says positive things about the Berlin and Open.  He has two approaches for Black in the Spanish Exchange (f6 and Bg4 without the Hector) hinting he also like the Hector Gambit and the Qf6 line.  For White he gives both 2. Nc3 and 2. Nf3 approaches to the Sicilian.

  
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Re: Kaufman's Moller Repertoire
Reply #6 - 11/09/19 at 11:40:17
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I didn't know the Kaufman book had been released?
  
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mn
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Re: Kaufman's Moller Repertoire
Reply #5 - 11/08/19 at 05:48:58
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Thanks for the heads up, I'll look at this in more detail.
  
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Syzygy
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Re: Kaufman's Moller Repertoire
Reply #4 - 11/08/19 at 02:52:03
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After 23...Qg6 24. Na3! seems like a clear improvement, though Black may still be OK after 24...h5! 25. Qxh5 Rxe3! 26. Qxg6 Rxe2!

19. f4 seems very critical, and there may be some hidden resources lurking for Black. In a practical game, it would be rather difficult to play for White.

In any case, I would definitely recommend checking this particular line carefully if you want to play the Moller.
  
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mn
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Re: Kaufman's Moller Repertoire
Reply #3 - 11/08/19 at 02:19:13
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He follows your latter line and gives 22...Rd8 23 Be2 Qg6 24 Rxe6 Bxe6 25 Na3 h5 with an equals symbol, and says that because of White's poor development and unsafe King, he would prefer Black in a practical game. He doesn't mention 19 f4.

I haven't a chance to check this myself.
  
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Re: Kaufman's Moller Repertoire
Reply #2 - 11/08/19 at 02:10:43
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I've always thought the move-order with 5...Bc5 was inaccurate for Black after 6. c3 b5 7. Bc2 d5 8. a4!?

After 8...dxe4 9. axb5:

9...exf3 leads to a long, forced line reaching an endgame where White is pushing for a win. See, for instance, Dominguez Perez - Caruana 2019.

9...Bg4 10. bxc6 exf3 11. gxf3

a) 11...Be6 12. Ra5! Qd6 13. f4! seems to have scored quite well for White.

b) 11...Bh3 12. Re1 O-O 13. Ra5! Qd6 14. b4 was apparently played in a game between Wei Yi and Bu Xiangzhi in 2016.

Now 14...Bxf2+ 15. Kxf2 e4 16. Kg1 Rae8 17. Re3 Nh5 18. Rg5 Qh6 leads to quite a messy position, but after:

19. f4 Nxf4 20. Reg3 f5 21. Rxg7+ Qxg7 22. Rxg7+ Kxg7 23. Qe1! or

19. Rg3 Nxg3 20. hxg3 exf3 21. Qxf3 Re6 22. Bd3

White seems to be objectively better. I may be missing something here, but does Kaufman give any reason to doubt the evaluation?
  
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Re: Kaufman's Moller Repertoire
Reply #1 - 11/06/19 at 14:40:44
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mn wrote on 11/05/19 at 21:35:56:
I have no idea what's going on here.
Any thoughts?

What's going on here is that White has sacced a piece to mate Black. The latter can avoid it with Bxf2+ (only move) 23.Qxf2 Nxe4 24.Nxe4 Qc8 and Her Black Majesty prevents Her White Majesty from invading Black's position, so White must be satisfied with a forced draw. Perhaps that's why Pichot tried 22.Ne4 instead.
If anyone can improve in this line it's White. I suggest 15...Nxd4 16.Bd5 Ne6 as in the game and now 17.Bxb7 (iso Pichot's 17.Bh4) Nxg5 18.abx5 Ra7 19.bxa6 with risks for White and problems for Black. My bet is that after thorough analysis this also results in a draw.
  

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mn
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Kaufman's Moller Repertoire
11/05/19 at 21:35:56
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I'm getting interested in the Moller/Arkhangelsk lines from the new Kaufman book.

1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 0-0 Bc5!? 6 c3 (6 d3 transposes to 5 d3 systems, 6 Nxe5 is okay for Black and not too common, and 6 Bxc6 is an Anti-Berlin type system [with castling maybe a little early?]. 6...b5 (instead of the trendy 6...0-0) and now:

A) 7 Bc2 d5 8 d4 (8 exd5 Qxd5 is fine for Black, Kaufman gives an interesting piece of analysis after 8 a4!? dxe4 9 axb5 Bg4!? which I haven't checked yet) 8...dxe4 9 Nxe5 (alternatives seem less dangerous) and the resulting ending [Stevic-Brkic, Porzega 2018] is super drawn objectively; I let Stockfish and Komodo have like an eighteen game engine match and everything was drawn. In human chess  both players can still win - maybe Black has to be a bit more careful since he's an exchange down?

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B) 7 Bb3 d6:

B1) 8 a4 Bb7 9 d3 (9 d4 transposes below) 9...h6 10 Nh4! is not mentioned; I posted some analysis in the other thread, I think 10...Bc8! is the only fully acceptable move for Black.

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B2) 8 d4 Bb6 9 a4 (alternatives to this are not discussed, but it's known from the Yurtaev Variation that these aren't too dangerous - I like a setup with ...h6, ...Re8 and ...Bd7, but ...Bb7 is possible too obviously, and consistent) 9...Bb7 and now 10 Re1 (! - Kaufman; 10 Bg5 h6 11 Bxf6 Qxf6 12 Bd5 is briefly but nicely covered, Black has a clear plan to equalize) 10...0-0 (10...h6?! 11 Be3 and eventually d4-d5) 11 Bg5 h6 12 Bh4 exd4 (I think this is slightly more accurate than 12...g5 immediately) 13 cxd4 g5 14 Nxg5! (14 Bg3 Re8 is okay) 14...hxg5 15 Bxg5 is extremely complicated but Black seems to  be able to walk a narrow path to a draw. Kaufman therefore says that this variation is probably best for correspondence, but White also has to know what he's doing, and it's not like he's risking nothing. In engine tests, White won some games by deviating from Pichot-Lodici, Manavgat 2018 with 22 Re4!?, and eventually winning some Bishop and pawns vs. Rook ending after following Kaufman's analysis. IDeA come up with an idea for Black to improve that as far as I can tell should draw. I have no idea what's going on here.

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Any thoughts?

  
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