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Warriors VS Rybka,,,,,,part #7
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tomasv
06-Mar-08, 03:12

here's what I'm thinking
Rh3 makes sense only without playing h4!, it prevents h6 and h5 pawn push which would effectively close the king side for good. The advantage right now is that we have very active bishop and knight and dxe5 takes care of the only weakness (the pawn on d4). After 29. Nxe5 black can focus on putting pressure on d4 which will take all our resources to defend (hence we can't use them to prepare a break through Black's ranks).
rowdyrooks
06-Mar-08, 11:34

More thoughts
OK,it seems my fxe5 has been dismissed as too "drawish",,,,,but is there really a problem being in a drawish position with a machine that supposedly has GM strength,a machine that is the "Best in the world".

After reading all the other posts,and going through all the possible moves and ideas,it would still seem to me that we are in a drawish position ,and trying to "make" something happen could result in disaster against such an opponent.

Anyways it seems the whole dilemma now is either Nxe5 or dxe5,,,,my vote goes to Nxe5,yes that's right!,,,,,still looks drawish huh?

Harry,,,,,,,,,,,,,,,,,,
hjemcall
06-Mar-08, 15:34

@ Harry:

Good point, Harry, I admit that these other moves we are considering may not turn out to be much less drawish than your fxe5, but we are considering them because they seem to promise just a bit more and that's worth a try, whatever/whoever the opponent. We are definitely not "trying to make something happen" at all costs, but don't you think "not trying" may prove just as disastrous against such an opponent?

@ tomasv:

It seems to me that we have gxh6 to respond to h6 and/or h5, so I don't see how that would "effectively close the king side for good" at all. Now if you play Rh3 (without h4) you can indeed close the king side, but then what? Meanwhile, our "very active bishop and knight" should remain where they are, and be in fact completely harmless to black. I'm not so sure about your hopes on a rook and queen trade on the a-file: I fail to see how it could be forced, and if it can't we don't have anything against black in this line.
After 29. Nxe5 Qa8 we could aim for h4/h5. There's no immediate threat towards d4 just now, so what will black do if we play 30. h4, considering we have gxh6 to respond to h6/h5? Another idea, what will black do if we wait on the h-file and play 30. Qe3 rightaway? I think g6 may be in trouble, or at least, that black won't have time to use its resources against "our only weakness" to prevent us from using ours "to prepare a break through black's ranks".
searcoid
07-Mar-08, 16:25

Really not sure what happens next...
I'm going to watch and learn...
tomasv
12-Mar-08, 03:48

shall we make a move
this year ... or wait a bit more  
hjemcall
12-Mar-08, 08:10

Good question, but ...
... which one?

I've counted the "votes" so far: two for each move, 29. fxe5 (tjbuege, rowdyrooks), 29. dxe5 (tomasv, coupigwe), 29. Nxe5 (qistnix, hjemcall), and actually a third one for the last move, when Harry reconsidered his first choice and chose 29. Nxe5 instead. Is that sufficient, or should we hear some more people?

Secondly, its' Bart (b123) and Bob (omacron2) who are "playing" the game, but they may not always be there or have time. At the moment Bob's vacation flag 's been set (for 20 days). Consequently, we're bound to have some delays from time to time. In such cases it would be best if more teammates added their two (and more) cents as well. So c'mon everybody!
b123
18-Mar-08, 07:25

Nxe5
okay, I decided to go for Nxe5. Now we wait till Bob is back from hospital to make Rybka think about her answer.
b123
18-Mar-08, 07:51

Qa8
And Rybka plays Qa8. Taking control of the a file. Should we worry that or just continue our "attack" on the kingside?



I guess we should be attentive not letting Rybka infiltrate with her queen to the 3rd or 4th rank. It would be dangerous for our weak pawns all on the 4th rank.

What do you guys think?
rowdyrooks
22-Mar-08, 11:49

I agree
I agree with Bart,,,,,,we need to counter blacks Qa3 move.

I propose..............Re3
b123
27-Mar-08, 11:00

Since it's pretty quiet here last few days. What do you think of Qe3? maybe later followed Ng4 (or Ne7) - Nf6, what some attack on the h file?
Qe3 still protects the 3rd rank so the black can't play Qa3. At least not immediately.

Another point why I should play Qe3 is to prevent being chased away by the black rook (Ra1

Our b4 pawn is weak and quite "attackable".

What are yours ideas?

stuartstaples
27-Mar-08, 13:44

It depends...
... on what rybka hopes..
If she only hopes the draw then Qe3 won't prevent her from playing Qa3..

With Re3 we don't have this problem, but there is still the possiblity to be chased by Ra1... but then Qd2 ?
b123
27-Mar-08, 14:32

You're right Re3 and Qd4 are a good way to deal with Rybka control of the a file.

Any other ideas? If not Re3 will be played soon!
tomasv
27-Mar-08, 14:49

30. h4
although the position is a dead draw (for which I gave my reasoning in previous posts) i vote for h4. 30. ... Qa3 31. Qe3 Qxe3 32. fxe3 Bxe5 33. fxe5 (32. ... Ra3 33. Kf3) looks more interesting than any other option

We could prevent 30. ... Qa3 with 30. Re3 and after Ra1 31. Bb1 h5 there is an interesting continuation 32. ... Bc8 33. Nxc6! Rxb1 34. Ne7+! Kf8 35. Nxg6+ fxg6 36. Qxb1 Bxd4 which I'd be eager to play against a human opponent in a hope he/she will make a blunder, but against a computer there's no hope of that

p.s. Wouldn't it be nice to have our knight on d4 to be able to play Bb3 and not having to worry about the weak pawn?
hjemcall
29-Mar-08, 02:19

30. h4
Seems like the best choice to me, too. But shouldn't we worry about b4 after 30...Qa3? What about this: 30. ... Qa3 31. Qe3 Qxb4 (instead of 31... Qe3 32. Qxe3 etc.)?
tomasv
29-Mar-08, 05:45

lets see what would happen after 30. h4 Qa3 31. Qe3 Qxb4?
white wins with 32. f5

both 32. ... gxf5? and 32. ... exf5? are out of question since after 33. Nxf7 white wins easily
(in 33. ... Kxf7? white mates, as black has no defence against the power on the now-opened e-file, and after 33. ... Bc8 34. Nh6+ Kf8 35. Nxf5! the rest is a piece of cake)

after 32. ... Qa3 (imo the best reply) 33. f6 Qxe3 34. fxe3 Bf8 black has two useless bishops against a brilliantly places knight and not even 30 depth can save Rybka

there is also the option of 32. Nxf7 Bc8 33. Ne5 Ra3 34. Bd3 with Nxc6 but is not as good as 32. f5
hjemcall
29-Mar-08, 12:34

Makes sense. Thanks for the explanation.
b123
11-Apr-08, 04:14

Okay, after playing h4, Rybka answered with Ra1. So we get following diagram:



Bob, also mentioned "30...Ra1 with the conditional 31.Qd2 [best move] Bxe5 32.fxe5 Qa2"

I guess we go for Qd2? Any comments on that?
stuartstaples
11-Apr-08, 04:28

Ok for Qd2... don't see anything better
tomasv
11-Apr-08, 15:13

31. Qd2
I support 31. Qd2 ... there is also the option of playing 31. Qe3 but it doesn't seem as good.
tjbuege
11-Apr-08, 22:47

I can agree with Qd2. Question for the group...are things starting to look more favorable for Rybka? We seem to be a bit more on the defensive now.
hjemcall
12-Apr-08, 00:49

31. Qd2, okay with me
Though 31. Qe3 looks attractive, at first sight that is, black will most probably not give us the time to 'exploit' that position for 'some aggression' on his king side. And if we can't exploit it, we'll lose valuable time to get our queen to a better spot. Therefore, I guess 31. Qd2 is our best move.

@Tim: I'm not sure we are more on the defensive now. I think black has to keep us as busy as he can, to prevent us from 'doing things' on his king side. That's HIS best defence, undoubtedly, but I don't think it means that things are starting to look more favourable for him. It depends of course on what you call 'favourable'. Is it 'being able to keep the balance' or 'getting an edge'? The first may be true, the second is, in my opinion, too 'optimistic' (for black). Naturally, we might want to ask ourselves just how 'favourable' things have been for us in the course of the game, or how justified OUR optimism has been. Quite probably, the balance has never been broken ...
b123
05-May-08, 05:43

After Qd2
Black replies with Bxe5 giving following diagram:



At first glimp I would play fxe5... Opening the f file, later followed by h5 with an attack at h7 or g6



hjemcall
05-May-08, 09:35

Okay
Yes, 32. fxe5 Qa2 has been mentioned before as "likely" continuation, so I guess that's our best option.
tomasv
06-May-08, 14:03

32. fxe5
which doesn't really make a difference (32. dxe5 is playable as well), and to cut things short ... go ahead and offer a draw, as neither side has any hope of progress ...
b123
16-May-08, 12:03

32. fxe5 Qa2
I was willing to offer a draw, but Qa2 was set as conditional move.

giving us the followind diagram:



I think Qc3 and Bd3 are our candidate moves.
stuartstaples
19-May-08, 23:45

Why draw ?
As long as we manage to keep some pieces on the board together with our "good bishop" which is on the
white squares, we should fight more, shouldn't we ?
However I don't see anything better than Qc3..
hjemcall
06-Jun-08, 15:24

Draw or play?
If we continue, I guess Qc3 is the best option.
stuartstaples
07-Jun-08, 01:23

Ok
for Qc3
b123
10-Jun-08, 10:48

Qa3
Rybka plays Qa3, giving following diagram:



Trading queens or Re3 or Qd2? Or shall we offer a draw?
stuartstaples
10-Jun-08, 22:15

Getting more..
... than a draw will suppose that the frequency of the contributions increases, which I fear will not be the
case...
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