| Jul-06-10 | | redwhitechess: puzzle of the day?? I see Nc6 or g3 or Rea1, but what's the best? |
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| Jul-06-10 | | wordfunph: g3 for queen retreat.. |
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| Jul-06-10 | | zanshin: <wordfunph: g3 for queen retreat..> I think this is right - Rybka 4 low ply only top 3 moves: move 22 for White: 
click for larger view [+4.05] d=13 22.g3 Qg5 23.Nc6 Nb4 24.Nxa7 Kf7 25.Nab5 Nc2 26.Ra7+ Be7 27.Nd6+ Kf8 28.Ra8+ Kg7 (0:00:34) 2114kN [+3.74] d=13 22.Nc6 Ra8 23.g3 Qg5 24.Rea1 Bc5 25.Rxa6 Rxa6 26.Rxa6 O–O 27.h4 Qh5 28.Qxh5 gxh5 29.Na4 Bd6 30.Nd4 Be5 31.Nxe6 Rc8 32.Ra7 (0:00:15) 840kN [+3.24] d=13 22.Ra4 Qg5 23.Nc6 Ra8 24.Rea1 Bc5 25.Rxa6 Rxa6 26.Rxa6 O–O 27.Qd1 Kh8 28.g3 Qh6 29.Nd4 Bxd4 30.exd4 Re8 31.Qe1 (0:00:37) 2325kN |
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| Jan-22-12 | | computer chess guy: 16. .. exd5 (instead of .. cxd5) appears to equalize, although Black must still be careful. |
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| Jan-23-12 | | King Death: <computer chess guy: 16. .. exd5 (instead of .. cxd5) appears to equalize..> This judgment isn't clear because the idea of blocking the e file with 17. e4 Be7 to avoid Nc6 can be answered by 18.Nc3. If then 18...bc 19.Qf4 Qa1 20.Qf7+ Kd8 21.Ra1 cb 22.Rd1 and White will break through on d5. After 18.Nc3 Qb3 19.Ne2 leaves the queen in big trouble. Black's lack of development gives White a lot of compensation for his pawns. |
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| Jan-23-12 | | Shams: What is the point of <16.d5> anyway? |
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| Jan-23-12 | | King Death: <Shams> White wants to open the center to exploit his opponent's lack of development and he needs to act fast, because if Black had time to play ...Be7 castle and defend the c pawn, it isn't clear how much play White will have for his pawn although he'll probably have some long term comp. Here's another example of the idea from a different opening:
Reshevsky vs Flohr, 1936. |
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| Jan-23-12 | | Shams: <King Death> What you say makes sense in principal but I just don't see what activity White is gaining, specifically. He never puts a piece on the d4 square, for one thing. |
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| Jan-23-12 | | King Death: <Shams> My guess is that Paragua saw that 16...ed 17.e4 leads to exactly what he was trying to avoid, with the open e file and his king unable to castle. If he'd been able to play his bishop to e7 to avoid the shot 1.Nc6 Qc6 2.ed+ maybe he'd be okay but once White gets e4 in with Black's king still uncastled, he has a strong attack. |
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| Jan-23-12 | | Shams: <King Death> Yes, I see it now, thank you. Strong idea. On my next drive to the Bay Area I'm stopping off at M.P. for lessons. :) |
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| Jan-23-12 | | computer chess guy: < King Death: the idea of blocking the e file with 17. e4 Be7 to avoid Nc6 can be answered by 18.Nc3.>
Houdini suggests 17. e4 ♗e6, and then if 18. exd5, Black can castle; if 18. ♘xc6, .. d4! (other moves are bad) 19. ♘xd4 ♕d7 =. |
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| Jan-23-12 | | King Death: < computer chess guy: < King Death: the idea of blocking the e file with 17. e4 Be7 to avoid Nc6 can be answered by 18.Nc3.> Houdini suggests 17. e4 Be6, and then if 18. exd5, Black can castle; if 18. Nxc6, .. d4! (other moves are bad) 19. Nxd4 Qd7 =.> I'm not sure what you're getting at here because you mention ideas that aren't as strong as (after 16...ed) 17.e4 Be7 18.Nc3. The plans you give seem to be concerned with just regaining the material. This position looks like it offers more. |
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| Jan-23-12 | | computer chess guy: I am saying that Black has an alternative to 17 .. Be7, namely, .. Bd6 (I wrote .. Be6 but Bd6 is what I meant). Then Nc3 is not winning. |
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Kibitzing
