Shredder for Android ELO ratings: Accurate?

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p8q
Alchessblitz wrote:

I find that hard to believe...

We start at 900 elo, AI opponents taken at random and as for the site it gives about the same elo.  To pass a level (1400, 1500 etc. and pass a level means a 1400 pass a 1500) it is generally necessary to beat a player who is classified with +200 elo (example if you are 1900 to pass the 1900 "is necessary" to beat a 2100) and we can also fall against a -200 (example 1900 it will be 1700).

In time 20 minutes of memory I was stuck in the 1800 to 2000 range and I beat AI.Dobie (2100) by an anti-computer technique (exchange of Queen to reduce the tactical difficulties because he can be very strong in tactics, wait for him to play clown or weak moves and give him no chance by reducing the material). I know we can beat AI.Natalie (2300) if we play 1) e4 because she plays bad openning ( 1.e4-e5 2.Nf3-f5 for example 3.Nxe5-Nc6) and if we play her against AI.Kenji (1900), he wins with white in this opening. There is AI.Wally (2200) who values a Rook more than a Queen where there is a way to beat him, AI.Buck (2400) who can make counter-performances and maybe AI.Jade (2300) but after it seems hard to believe if we are not gosu.

 

Right now I'm doing an AI rating in time 5 minutes (i have of course removed the alarm clock).

I lost against AI.Thorian (1100) by the time elapsed (while being completely winning but to say that even while being winning there can be a technical difficulty to finish his opponent), almost made a stalemate against AI.Miaranda and lost to AI.Buddy (1200) for a tactical gaffe. I am currently at 1318 for 10 games (8 wins, 2 losses) but  even if it's the beginning, Chessmaster's AIs pose technical difficulties that make me not believe too much in this "I'm stronger than AI.2300 or + of the Chessmaster program but less strong than 1300 or - of a chess.com player" story.

 

    

Wooow....

I can see you have a rating here in chess.com 1813 blitz, how in the world is it possible that you lost vs Chessmaster 1100 and 1200 rating??? That's really incredible.

I've seen one of my friends playing offline Chessmaster 11 and he starts to lose vs Charles (1565 rating), and my friend is 1100 blitz rating here in chess.com.

In chessmaster 11 at that level 1200 rating, their moves are ridiculous!! Could you share here those games, please?

Maybe you played very few games while being too tired or distracted... or something like that.

I have played hundreds of games vs Chessmaster 11 in rated games and thousands in unrated games. I know perfectly well my rating vs Chessmaster 11 is more than 2000 in my worst days, and i can't believe someone 1800 rated in chess.com can lose <1300 rated personality in Chessmaster, that's just incredible and need to see those games.

Also you said you were stuck in 1800-2000 rating in chessmaster at 20 minutes time controls? That's also incredible. Being 1800 here in chess.com you should beat 2700 rated personalities in chessmaster without any effort.

I think if you play more often vs Chessmaster 11 you will get a higher rating, higher than 2700. Maybe you played too few games and your rating is still not stable in CM11.

Just as an example of what i'm saying, in April i had the idea to play all CM11 personalities, from very low level going higher, and stop in the first game i lose. If i get a draw, i repeat again vs that personality until i win and then i pass to the next personality.

In total i played 143 games without losing. My first lost game was vs Jade (2404 rating), and that's why i stoped there. I can upload all those 143 games for you to see if you don't believe it:

 

 

I'm not saying i'm a good chessplayer or anything, i actually think 2500 CM11 rating could be like 1500 FIDE rating or something similar... if not, then engines play in a way that i somehow adapted? i don't know, it's weird, cause for me engines always play in a different way each game, and to adapt i should know some kind of pattern that i don't know. And i don't do any memorization, i actually hate memorization.

I don't have any idea which openning plays any of those personalities, never bothered to memorize that. I don't even stop to read their weaknesses to exploit (except for Lacey, Charles and a few more, just for curiosity). I never lingered for too long in any of those personalities, since i'm mostly playing higher than Shakespeare (2767 rating) and i'm always trying to play different ideas or openings. Never using any anti-engine techniques at all.

I thought it could be my computer, but my computer is Intel i7-7700HQ   2.80 GHz, 8 GB RAM... Graphics card NVIDIA GEFORCE GTX... etc.

Never run any app at the same time, so that no app is taking processing capacity from Chessmaster, always check monitor resource to detect no other app is taking away processing capacity or memory in the background, etc.

I don't know. I suppose if a lot of players here in chess.com starts to compare Chessmaster rating vs their chess.com rating, maybe i discover 2700 CM rating is 1500 chess.com rating or something similar. Actually, i'm just going to do that, i'm going to start a new topic asking people here what's their CM rating and i'm going to compare happy

 

Alchessblitz

It is a nonsense for me "I am able to be 1800 on chess.com in blitz so I should win 2700 from Chessmaster program easily in blitz". 

 

All games are recorded when we do rated games so yes I can show :  

And I didn't play especially tired or whatever excuse, just even at 1100 AI is not so weak as far as AI knows how to play fast and enough good, can be efficient in tactics.

In this game I was completely winning but you have to conclude in time otherwise it's lost on the clock.

 

 

 

p8q
Alchessblitz wrote:

It is a nonsense for me "I am able to be 1800 on chess.com in blitz so I should win 2700 from Chessmaster program easily in blitz". 

 

All games are recorded when we do rated games so yes I can show :  

And I didn't play especially tired or whatever excuse, just even at 1100 AI is not so weak as far as AI knows how to play fast and enough good, can be efficient in tactics.

In this game I was completely winning but you have to conclude in time otherwise it's lost on the clock.

 

 

 

Ok, so looking at that game i can see you confirmed what i thought: you were totally crushing Thorian (1100). It gave you away its queen, rook and everything, omg... 

If you lose one game on time, just play faster! as you can see Thorian will play bigger blunders than you without thinking.

Alchessblitz

At the moment I am 1438 after 32 games (22 wins, 2 draws, 8 losses).  I fall more on 1400's and my last game I also lost on the clock with winning position against AI. Ash (1400) but it's not "as overwhelming"

 

p8q
Alchessblitz wrote:

At the moment I am 1438 after 32 games (22 wins, 2 draws, 8 losses).  I fall more on 1400's and my last game I also lost on the clock with winning position against AI. Ash (1400) but it's not "as overwhelming"

 

That's ok, just keep going. You will get a stable rating after a few hundred games. Then you can tell us your rating. I suppose it will be 2500 or more thumbup

And that's only for blitz time controls. You could do the same for classical and tell us.

Thank you happy.png

Alchessblitz

At the moment I am 1538 after 43 games (30 wins, 2 draws, 11 losses) and I just won my first 1600 

I believe that my level will be blocked between 1600 and 1800. I don't think it's possible that I can beat the +1800 because [of memory in time 20 minutes] the 1800's don't do "gifts" anymore and we have to more fight for winning or advantageous positions.

AI opponents even with losing positions manage to be dangerous and difficult to defeat. They are naturally strong in tactics, able to play very fast and quite well, know how to make pat combinations, know attack patterns that make them dangerous... in the end we have to have a lot of chess skills to be able to pass the 1800/2000 barrier in the long term. 

 

I watch also a chessmaster Personality Tournament time 5m+30 per moves where there is AI.Rick (2000) then all others from 2100 to AI.Chessmaster (without GM AIs) and the truth I observe is that the +2100 are in fact insane levels. For example AI.Dobie (2100) won AI.Jinx (2500) ( clearly even a human GMI could lose against AI.Dobie (2100) ) 

The levels from 2100 to 2600 seem to be somewhat the same and the levels form 2600 to 2900 seem to be somewhat the same.