3rd ply: 1.e4 c5 2.Nf3; 1.e4 c5 2.Nc3 (wow, I didn't expect that the closed Sicilian is as good as normal
); 1.e4 e5 2.Nf3; 1.d4 Nf6 2.c4; 1.d4 Nf6 2.Nf3 and 1.Nf3 d5 2.d4
Still stabilized at +0.11.
Rybka estimations for best openings
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Mar 20, 2011
0
#2
Yigor wrote:
3rd ply: 1.e4 c5 2.Nf3; 1.e4 c5 2.Nc3 (wow, I didn't expect that the closed Sicilian is as good as normal); 1.e4 e5 2.Nf3; 1.d4 Nf6 2.c4; 1.d4 Nf6 2.Nf3 and 1.Nf3 d5 2.d4
Still stabilized at +0.11.
I guess it can't possibly be that engines are not as good at openings as an opening database.
Mar 20, 2011
0
#4
cofail wrote:
I guess it can't possibly be that engines are not as good at openings as an opening database.
Hmm ... I don't know, it's debatable. I still wonder why, for example, the closed Sicilian has such a high estimation.
Mar 20, 2011
0
#5
New surprise: the old Sicilian 1.e4 c5 2.Nf3 Nc6 has -0.11 for black while the modern variation 1.e4 c5 2.Nf3 d6 is estimated at only -0.18.
Mar 20, 2011
0
#6
4th ply: old Sicilian 1.e4 c5 2.Nf3 Nc6; closed Sicilian 1.e4 c5 2.Nc3 Nc6; usual 2 knights game 1.e4 e5 2.Nf3 Nc6; various Indian systems 1.d4 Nf6 2.c4 e6, 1.d4 Nf6 2.Nf3 g6, 1.d4 Nf6 2.Nf3 e6; less usual 2 knights game 1.d4 Nf6 2.Nf3 d5.
Always +0.11 for white.
Mar 20, 2011
0
#7
5th ply: 2 peculiar old Sicilian games 1.e4 c5 2.Nf3 Nc6 3.Bb5 and 3.Nc3; Ruy Lopez 1.e4 e5 2.Nf3 Nc6 3.Bb5; anti-Nimzo-Indian 1.d4 Nf6 2.c4 e6 3.Nf3; pseudo-KID 1.d4 Nf6 2.Nf3 g6 3.c4; delayed QG 1.d4 Nf6 2.Nf3 d5 3.c4
Always fixed at +0.11 for white.
Mar 20, 2011
0
#8
uhohspaghettio wrote:
Listen Yigor: there is no such thing as "-0.15 for black".
-0.15 means Black is winning by 0.15. +0.15 or just 0.15 means White is winning by 0.15. There is no reason to say "the position is +0.2 for black", just say "the position is -0.2".
LoL U should come back to study elementary math in da kindergarten.
The minus sign, denoted as "-", is opposite to "+". So, -0.15 for black is the same thing as +0.15 for white. What U don't understand again?
Mar 20, 2011
0
#9
uhohspaghettio wrote:
Remember also that the computer will favour drawish lines for Black more. This is because if Black is going for a win, it'll be easier for White to push home an advantage if both sides have perfect play. If Black plays the Berlin Wall the computer is likely to come up with very close to +0.00, but if Black actually wants to have a chance of winning the game he has to play more aggressively and concede a bit of the initiative to White.
Well, that's the first remark, written by U, which make sense to me.
Actually opening like the Berlin wall are also hard for computers to evaluate because this opening relies on long-term plans to be successful.
Mar 20, 2011
0
#12
6th ply (+0.11):
Rossolimo's dragon 1.e4 c5 2.Nf3 Nc6 3.Bb5 g6; 2 other Sicilian dragons 1.e4 c5 2.Nf3 Nc6 3.Nc3 g6 and 1.e4 c5 2.Nc3 Nc6 3.Bb5 g6; these 2 Sicilian games with no names 1.e4 c5 2.Nc3 Nc6 3.Bb5 Nd4 and 1.e4 c5 2.Nc3 Nc6 3.Bb5 d6
Ruy Lopez 1.e4 e5 2.Nf3 Nc5 3.Bb5 a6
QGD variation 1.d4 Nf6 2.c4 e6 3.Nf3 d5; Bogo-Indian 1.d4 Nf6 2.c4 e6 3.Nf3 Bb4; KID variation 1.d4 Nf6 2.Nf3 g6 3.c4 Bg7
Dats all.
Apr 8, 2011
0
#13
Thanx echecs06! Actually, U are reading my mind, I just wanted to continue this topic today. We'll be back later to it.
Apr 8, 2011
0
#14
MountainMayhem: very difficult question, it depends also how an engine is written. Basically, U answered yourself: white preserved their initial advantage of about 1/10 of pawn.
Apr 9, 2011
0
#15
7th ply:
King's pawn 1.e4 e5 has the unique line estimated at +0.11 leading to Ruy Lopez with 3...a6. After that, there are 2 well-known possibilities 1) Ruy Lopez: Columbus 4.Ba4 and 2) Ruy Lopez: Exchange 4.Bxc6.
Apr 9, 2011
0
#16
7th ply:
Bogo-Indian 1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ also splits into 2 variations evaluated at +0.11: 4.Bd2 and 4.Nbd2.
No serious chess player cares about an engine's silly evaluations in the opening phase of the game and certainly wouldnt adapt a repertoire based on such evaluations. Serious players use engines to analyse their games to find tactical mistakes and to find strong tactics in complex middle game positions and this is where strong engines excel.
Apr 9, 2011
0
#18
Reb wrote:
No serious chess player cares about an engine's silly evaluations in the opening phase of the game and certainly wouldnt adapt a repertoire based on such evaluations. Serious players use engines to analyse their games to find tactical mistakes and to find strong tactics in complex middle game positions and this is where strong engines excel.
The majority of players here, like me, are not "serious" (in your sense of this world). Let each member have his/her own fun at his/her level and predilections.
Apr 9, 2011
0
#19
Fezzik: a lil correction, I discovered that 1.e4, 1.d4 and 1.Nf3 are the best moves.
These are public estimations freely available on the web.
1st ply: e4, d4 and Nf3 (+0.11)
2nd ply: 1.e4 c5 ; 1.e4 e5; 1.d4 Nf6; 1.Nf3 Nf6; 1.Nf3 d5 and 1. Nf3 c5 (+0.11)
Hmm ... no real surprises so far.
Though 1.d4 d5 and 1.d4 e6 have slightly inferior estimation of -0.15 for black.