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cryptos 20 ( +1 | -1 )
Open Lopez. I was just wondering if someone could show me why grabbing a pawn as black in the Open Ruy Lopez is bad. eg. 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 0-0 Nxe4 6 d4 b5 7 Bb3 exd4?! What's wrong with the last move? Any help would be appreciated. :)
anaxagoras 43 ( +1 | -1 )
Well, Black has just opened the e-file straight to his naked and embarrased King. A warning bell should be going off in your head to beware of 8 Re1. If then 8 ...d5, then 9 Nc3! (if...dxc3 then 10 Rxe4 dxe4 11 Bxf7+!), and White has won 100% of the time from this position in the GK database. I find that a lot of beginners can't help but to grab as many pawns as possible in this variation, and they always deserve to get burned for it.
philaretus 25 ( +1 | -1 )
Some Black players have managed to hold it after 9...Be6 (according to other databases). But as anaxagoras says, it's bringing needless trouble on yourself.

Talking of needless trouble, cryptos, what are you doing allowing the Ruy Lopez anyway?
cryptos 21 ( +1 | -1 )
anaxagoras Thanks for the line. I'm not so sure of 9.Nc3!? still. After 11. Bxf7+ Kxf7 I still fancy black's chances. Is there a completely forced line that I'm missing? As an aside, are you interested in pre-socratic philosophy? :)
peppe_l 5 ( +1 | -1 )
9.Nc3! 9...dxc3 10.Bxd5 must be good, too. For example 10...Bb7 11.Ng5!
anaxagoras 26 ( +1 | -1 )
One thing you're missing cryptos, 12 Qxd8! ;-) In other words, Black loses his queen if he takes the Bishop on f7. Pre socratic philosophy is interesting, but rather obscure and fragmented, so it's hard to really get into it. (And I have next to zero understanding of attic greek)
pandemona 35 ( +1 | -1 )
anaxagoras Pardon me if I'm being dumb, but in the line 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 0-0 Nxe4 6 d4 b5 7 Bb3 exd4 8 Re1 d5 9.Nc3!? dxc3 10.Rxe4 dxe4 11.Bxf7+! Kxf7 12.Qxd8 (just to be clear what we're talking about :)) isn't the queen on d8 protected by black's knight upon c6?

~ Stephen / pandemona, following this with interest!
cryptos 40 ( +1 | -1 )
peppe_l, anaxagoras & pandemona Thanks peppe_l !!! I think that looks like a good line. I'd thought about 9. Bxd5 instead of 9. Nc3!? but that doesn't seem to work. Anaxagoras, Pandemona is right that there's a knight on c6 in your line. Sorry :(. By the way, I'm a bit of a Heraclitus fan myself, although I agree that pre-socratic philosophy is a bit obscure. I blame the Romans for losing all those books/papyruses/codices. :)
More: Chess
anaxagoras 18 ( +1 | -1 )
yup, I got that wrong. I was trying to calculate without a chessboard in front of me. Ok, so I'm curious why 9...Be6 is the only Black move that's tried in the database. What goes wrong if 9...dxc3?
jstack 33 ( +1 | -1 )
9..dxc3 After 9.. dxc3 10. Bxd5 Bb7 white gets the piece back. And since the knight is pinned the piece does not have to be taken right away. And now it seems to me there are 2 quite reasonable moves for white.
A) 11. Bg5
B)11. Ng5
I will have to look at this in more detail before I can give my verdict as to which is better.

soikins 16 ( +1 | -1 )
2 cents from Latvian chess school 8. Nxd4 is also fine because 8. ... Nxd4 doesn't work: 9. Qxd4 Nc5 (after 9. ... Bb7 Re1 the night on e4 will fall after f3) 10. Bxf7! Kxf7 11. Qd5+ Ne6 12. Qxa8 +-
cryptos 16 ( +1 | -1 )
soikins Black doesn't have to play 8....Nxd4. He/she can just continue with development.
Also black can play 9...Nd6!? in your line, which safeguards f7.
basti1981 24 ( +1 | -1 )
ahum soikins did not say, black has to play 8. ... Nxd4
infact he did the opposite, he said 8. Nxd4 is good for white since Black CAN'T play 8. ... Nxd4
and he gave a variation, in which he showed why Black CANNOT play 8. ... Nxd4

or did I miss something?
cryptos 14 ( +1 | -1 )
basti1981 missed something, since I said nothing about what soikins said, and I specifically refuted the line that he gave.
basti1981 41 ( +1 | -1 )
refute? I guess black is facing hard times after 9. ... Nd6
10. Re1+ Be7
11. Bg5

somehow I wouldn't feel really comfortable with the Black pieces

if 11. ... f6 (hard times for the Black King he's somehow stuck in the center)
12. Bf4 with the idea Bxd6 and Qd5
12. ... Bb7
13. Bxd6 cxd6
14. Qxd6

After 11. ... Nf5
12. Qd5 seems to finish black's suffering imidiately

(I'm not an 1.e4 player so I'm not sure if this the best solution but it seems to be good enough)

soikins 35 ( +1 | -1 )
cryptos in the line 8. Nxd4 Nxd4 9. Qxd4 move 9. ... Nd6?? loses by force: 10. Re1+ Be7 11. Qxg7 Rf8 12. Bh6 +-

Actually blacks best move is 8. ... Qf6

I want to say that 8. Nxd4 is also a fine move (probably not better than 8. Re1+) that gives white active play full of tactical possibilities -- the kind of game that people love in Latvia.
basti1981 6 ( +1 | -1 )
ok even better than my first thought ok this is line is better than my first idea
cryptos 44 ( +1 | -1 )
Possible difficulty with Soikins line I'm not saying this is 100% right (please take note basti1981), but 8....Nxd4 9.Qxd4 Nf6 10 Re1+ Be7 seems like a line in which white would have difficulty proving his advantage. The black knight covers the d5 square, and if white plays Bg5 black just castles. If white plays Qe3 instead of Bg5, black can play d5 followed by Be6 ( I think ). Please correct me if I'm wrong. Latvian attacking chess is well known and Tal is my hero. :)
peppe_l 27 ( +1 | -1 )
But I believe 10.Bg5! is more accurate - 10...Be7?? 11.Bxf6 loses (Qd5!) and other tries like 10...Bb7 11.Re1+ (important check, forcing Black to give up Bxb2 threat) Be7 12.Bxf6 gxf6 13.Qxf6 end up rather badly as well. I cannot see a way to prevent both threats, Qd5/Re1+ Bxf6 Qxf6...
cryptos 5 ( +1 | -1 )
thanks peppe_l That seems like a decent line :)
soikins 55 ( +1 | -1 )
9. ... Nf6 Good try, but does not save black.
10. Bg5 (best, as peppe_l pointed out) 10. ... Bd6 black has to evacuate king from the center or else it will come under attack (10. ... d5 (trying to stop queen from forking f7 and a8) 11. Re1+ Be6 (if 11. ... Be7 then 12. Bxf6 gxf6 13. Qxf6 Rf8 Bxd5! +-) 12. Bxf6 gxf6 13. Bxd5! +-) 11. Bxf6 Qxf6 12. Qe4+ (attacking the rook) 12. ... Qe5 (threatening mate on h2) 13. Qxe5 Bxe5 14. Re1+ d6 15. f4 +- white has a piece for two pawns, black has no compensation. White should have a decisive advantage.