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1500 questions
10
votes
4 answers

Positions that stump engines

Chess engines are so strong that it is becoming increasingly hard to find positions that they are demonstrably evaluating incorrectly. I'm interested in collecting examples—if there are any—of positions where we know the correct evaluation, but that…
Timothy Chow
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10
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3 answers

Help needed to find a Swedish opening

It appears that openings are named after almost any country or city in the world. Spanish opening, Italian game, French defense, Hungarian gambit, London system and so on. Because I am from Sweden I want to learn and play an opening related to…
Stand with Gaza
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10
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3 answers

Why are these moves recommended?

I am playing chess on the chess.com app with the top three suggested moves: I am an amateur. I get the basic idea that developing your knights is a common, good thing early in the game, but why is that specific pawn move a7-a6 recommended? The…
julkarham
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10
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3 answers

Why is Bxh6 not preferred here?

[FEN "rnb1k2r/ppppqppp/4p2n/4P3/2PP4/2PB1N2/P4PPP/R1BQK2R w KQkq - 3 9"] I was just post-analyzing a game of mine with an engine and to my surprise in the position displayed above, it didn't even consider taking the knight on h6 as one of the top…
Hanyanrou
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10
votes
2 answers

Improving your chess without access to OTB tournaments

Due to the Coronavirus, all chess tournaments and activities have been canceled in my area. At the same time, I've got a lot of time on my hands right now and would like to work on my chess. I have got access to a lot of training material, which…
postnubilaphoebus
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10
votes
2 answers

Finding a plan in the Archangels Spanish when white plays Be3 to exchange the dark-squared bishop

Black to play and find a plan: [FEN ""] [StartFlipped "1"] [StartPly "25"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. h3 O-O 9. Qe2 Bb7 10. d3 Ne7 11. Be3 Bxe3 12. fxe3 Ng6 13. Nbd2 I often find myself in…
postnubilaphoebus
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10
votes
4 answers

Variant in which two pieces can occupy a single square

A friend and I tried playing this variant yesterday. My question is: Surely someone has looked at this before. Does it have a standard name? Or is there something obviously wrong with it that my friend and I missed? Sometimes this kind of…
Mark Dominus
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10
votes
3 answers

Is there a horizontally mirrored London System, and what is it called?

London System is an opening for white, that goes d4, Bf4, e3, Nf3, Nd2, c3. The move order generally doesn't matter too much and there are lots of ways to transpose into this. However, what I want to know now, is the horizontally mirrored way also a…
DrZ214
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10
votes
5 answers

Do Barry attack and 150 attack really work that well with Colle-Zukertort?

As I was looking for advice on Colle-Zukertort as described here, I found additional info about 2 other attacks that can be used to improve my repertoire pretty efficiently. Here is the information I found: Colle-Zukertort and Barry attack combined…
Charles Menguy
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10
votes
3 answers

Move first, record later; or vice-versa?

Is it better to teach young players to record their move first and then make it? Or should they be taught to move first and write later? Is one considered better etiquette over the other?
Aaron
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10
votes
5 answers

How to be a better tournament player?

I have an upcoming tournament and I already started to prepare, but I have some questions about tournament play: How to do better in tournament games Should I adjust to my opponents' play Do I need to study every player or just work on things (…
Slobo Janjić
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10
votes
2 answers

Does any PGN actually use the '%' (escape) or ';' (rest of line comment) mechanisms?

Trawling through the PGN standard, I was surprised by two of the specifications: An escape mechanism triggered by % at the start of a new line: There is a special escape mechanism for PGN data. This mechanism is triggered by a percent sign…
Remellion
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10
votes
4 answers

What is the opening value of 1. e4 in 2020?

Bobby Fischer: e4 -- best by test. What is the current theory or trend in theory behind this statement? We have seen huge strides taken in chess AI in the past two years. How is this affecting opening theory regarding the "best first move"?
Senrab
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10
votes
3 answers

Why is this the solution to this puzzle?

[FEN "2r3k1/5pp1/1q1bpn1p/pB1pN3/P2P4/5R2/1P3PPP/3Q2K1 w - - 0 1"] 1. Rxf6 Qc7 2. Rf3 This is a puzzle (and its solution) I found on lichess. But I simply do not see the expected logic of this puzzle. The Qc7 move doesn't do much from my POV, and…
bpromas
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10
votes
3 answers

What are the "great injustices of chess"?

Edmar Mednis stated that in KNN vs K endgame, the inability to force checkmate is one of 'the great injustices of chess'. This seems to be defined as a drawn/drawish endgame position but where 1 side is up at least 4 points in material. The phrase…
Zuriel
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