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1500 questions
11
votes
3 answers

How are the scores decided in Chess?

Consider the following pictures: I would like to understand the following: My understanding is that it depends on the opponent's move against our move. Am I right? What is the minimum and maximum range of the score? When one can achieve the…
user10872
11
votes
3 answers

Is "Rdxd2" algebraic chess notation valid?

Is the algebraic notation Rdxd2 valid? If there is a problem with this notation, then how can it be corrected?
micsthepick
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11
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5 answers

Is it true that Chess is generally more played by men?

I have recently heard that the only 5% percent out of entire chess players are women. I find this suspicious. Who says that only men can play chess? Is this statistic true, and if it is, why?
Phonics The Hedgehog
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11
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4 answers

Why 6...e5 in King's Indian?

I'm a hobbyist chess player, mostly playing online correspondence. I often play the King's Indian defense as Black, but there seems to be a key idea in the opening that I'm missing. Specifically, I don't understand why 6...e5 is so commonly played…
StevenL
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11
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3 answers

Teaching endgame ideas to children

I am looking for some advice and pointers on teaching young kids about endgame ideas. (Say for children ~8 years old). I am asking specifically regarding my nephew, but I have seen this happen to other kids as well. Often, they know how to mate with…
Ram Narasimhan
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11
votes
6 answers

Why and how do great chess players become "crazy"?

I know that this question may be for a more psychology-focus forum, and "great" is an understatement for players such as Fischer; yet, I want to know your opinion on this question. Is it intelligence? Is it pressure? Or is it the game itself?…
Flair
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11
votes
2 answers

Annotated games in the Makogonov Grünfeld?

I would appreciate references to sources, be they books or any other sort of media, that contain annotated games in the Makogonov Variation of the Grünfeld Defense (two possible move-orders for which are given below): [FEN ""] 1.d4 Nf6 2.c4 g6…
ETD
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11
votes
3 answers

What are the setups/patterns useful in defence?

We have typical checkmating patterns (e.g. smothered mate). Similarly are there any standard setups/patterns useful specifically for defense? I am not looking for standard tactics like pinning/discovery/etc. I don't even know whether to call these…
rpattabi
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11
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1 answer

Where can I find a large collection of random chess positions?

Does anyone know where it is possible to find a large number of chess positions in PNG, JPEG or any other image format? Quality, colour, size does not matter. The only thing that matters is that I'd prefer there to be some distortions in the image…
Salvador Dali
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11
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4 answers

My bishop is attacked by a rook-pawn, now what?

I usually get into this position, where I just recently moved the bishop to g5 (or b5), and his response is moving h6 (or a6): Usually here, I only consider two possibilities: Take the knight Retreat my bishop* Do anything else (rarely…
ajax333221
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11
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3 answers

Is there an online chess evaluation engine with a REST API?

Is there an online chess evaluation engine with a REST API? I'd like to be able to send a game or position (with castling ability presumably) to a simple REST API and get back the positional evaluation from a reasonably strong engine.
Peter Cotton
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11
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1 answer

Because of the distortion of the computer era, is it preferable to study mainly old opening lines?

I realize that you get rather a lot of questions from lower-rated players who ask, should I try this? should I play that? how can I improve? Many of you have been extraordinarily patient with these questions over the years; but, still, I have never…
thb
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11
votes
6 answers

Why did Bobby Fischer quit chess after the match with Spassky?

I am not asking about the 1975 "resignation" to Karpov, but for which reasons did Bobby Fischer gradually lose interest in competitive chess after becoming World Champion? Jews or not Jews, he did not play a single tournament or match game until the…
A. N. Other
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11
votes
1 answer

Is it illegal to write clock time in the score sheet during tournaments?

I have the habit of noting the clock time near my moves in tournament. I've been doing this for years now, but today a friend told me it is illegal according to FIDE. I wonderwhat the regulation related to it is.
Arun J
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11
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3 answers

Probability of making a game-losing move as a function of Elo?

BlindKungFuMaster and I are having a debate (http://chat.stackexchange.com/rooms/34484/discussion-between-blindkungfumaster-and-jeff-y) and it got me wondering: Given any position that can be agreed as "about equal", what is the probability that a…
Jeff Y
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