Schliemann Sidelines

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Avatar of LogoCzar

For the sake of not getting confused I will refer to the opening as the Schliemann.

The mainlines are 4.Nc3 and 4.d3 and I will get into those in another forum. But there are many other things White can try and it is good to know how to deal with them.

Avatar of LogoCzar

4. exf5:

 
The databases favor black.
 
Chess.coms game explorer says:
4.exf5 36
30.6% 27.8% 41.7%



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4. Bxc6

 
After Bxc6 dxc6 the lines where white takes black on e5 or f5 favor black.
Opening explorer says:
5.Nxe5 9
22.2% 22.2% 55.6%
5.exf5 4
   

100%

 
After Nc3 (which opening explorer favors white)
Black just needs to develop and be careful. He is not losing, the position seems equal and the computer agrees, it puts the position at exactally 0 (draw).
Here is a sample line:
There is no need to fear the databease which says 
5.Nc3 87
52.9% 36.8% 10.3%
It is only a problem because often black is cought off guard, expecting white to take. If you know what you are doing, you are not losing! 



Avatar of LogoCzar
Main sideline - I think the only one you have toworry about is 4. d4
 
4. d4 information:
(Note: 7. Nc3 sacrificing a piece is mainline,
please do not skim, read all lines)
 
Avatar of LogoCzar

4. d4 (Part 2)

if white does not play 0-0 move 10 after the bishop sac. All good sidelines are covered here (I think)



Avatar of Diogenes_of_Sinope

This is pretty comprehensive coverage; good work!

Regarding 4. Bxc4 - in the 5... fxe4 lines, what about 6. Qh5+ ? E.g:


There are similar lines in the Latvian and Calebrese Gambits, where Black can give up the rook and achieve some compensation due to White's isolated Queen, but not when White achieves best play. Furthermore, in those lines, Black still has a pawn on the d-file, which can provide cover for his exposed king if necessary.

Also, I've never come across the 4.d4 sideline before - is 4...exd4 possible, in the style of a reversed Falkbeer Counter-Gambit? E.g.:


 

Avatar of LogoCzar

As for the first one, Iwill have to check and anylize, I will get back to you.

On the 2nd one yes I think is it possible but in my opinion it is weaker, and dosn't gowith the goal of the  schliemann. 

I checked with a computer (lichess) and white goes from .3 to .7 after exd4, which is more than white haseven in the regular roy lopez.

So it seems safe for both players but white has an edge and fxe4 is more forcing and gets to the positions where we have preperation. 

Avatar of LogoCzar
Ok I anylized the first part,got acomputers help to confirm.
Here are the results I got:
Avatar of LogoCzar

I corrected the error in the original post.

Avatar of Alexandr-Kravchenko

Good work!!!

Avatar of Natural_Confidence

Good work!

Avatar of NastyNugget

Nice post! Thanks a lot for sharing it happy.png