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Questions tagged [performance]

Questions concerning the play performance, both of humans and chess engines.

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2answers
105 views

How can I find my performance rating?

I’ve noticed that in tournaments grandmasters are given a performance rating for how they played in that tournament. Can this be applied to individual games and how can I see mine when I play a game?
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votes
1answer
242 views

How to make Lichess local analysis utilize more cpu and memory? [closed]

I get around x12 faster evaluation when I run Stockfish myself, so I checked my utilization when running local analysis (Chromium and Firefox) and saw that it just utilizes one thread and few ...
3
votes
2answers
1k views

How do you calculate your Tournament Performance Rating?

How do you calculate your Tournament Performance Rating? I can think about two different ways to answer my question: Do you know the formula for calculating your TPR (FIDE or USCF)? Can you link me ...
2
votes
1answer
216 views

FIDE norm chance expectation calculation question

What is the expected probability that someone rated 2150 will have a performance rating of 2450 over a 9 round tournament and earn an IM norm?
5
votes
2answers
709 views

Detect pinned pieces code

This post is a follow up of this one: C++ vs Java Engine move generation performance My goal here is to improve the performance of my move generator, which finishes perft (start_pos, 6) in 8.5 secs. ...
2
votes
2answers
1k views

C++ vs Java Engine move generation performance

I've just finished translating my Java Engine to C++11, expecting great speed improvements in move generation. The code is very straightforward and uses a pre-generate bitboards approach. I also ...
3
votes
3answers
722 views

Validate Engine moves using Perft and divide

I'm developing a small Engine in Java, before trying something more elaborate in C/C++. Right now I'm running some perft tests (the 'perf_talkchess' file), but as expected it has some bugs. Consider ...
4
votes
2answers
424 views

Can playing too much chess affect your performance?

I've noticed a pattern with myself and I'd like to know if someone else can relate. I have a score which fluctuates between 1200-1300 on chess.com and I've noticed that after a great day of defeating ...
5
votes
3answers
647 views

Meditation practice among the chess elite?

My question is simple. Do we know of any 2700+ caliber players that regularly cite meditation as part of their lifestyle / preparation? It's not hard to find meditating chess players, but I'm ...
4
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2answers
561 views

What is the effect of aging on chess ability?

Based on documented evidence, at what age would someone normally expect to see his chess results start to decline?
4
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5answers
461 views

Energy drinks for chess tournament

I am planning to participate in a tournament, and I was thinking about using energy drinks or caffeinated drinks to enhance my performance. Is this a good idea? I normally don't take any energy ...
1
vote
0answers
63 views

Is Elo normative? [closed]

For example, can we suggest that someone plays for 2xxx, even if we use only qualitative criteria, like his strategy in blitz games? In addition, are 2xxx classes standard when we consider strategic ...
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5answers
6k views

How to automatically evaluate a player's performance in a game?

Suppose I have a completed game. I don't have Elo ratings of the players. My purpose is to evaluate a player's performance in the game based solely on his moves. Can this can be done automatically ...