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3
votes
2answers
67 views

Creating program for finding top players with respect to elo and age

I want to create a program for personal use but also maybe for publishing it on the web, in order to detect the top players with respect to elo and age. There will be two cases: A) In this case, ...
20
votes
3answers
3k views

Why is Leela so good at beating Stockfish in the French/Caro-Kann?

I notice Lc0 is especially good against Stockfish in French / Caro-Kann pawn structures. However, I don't understand why. Here're a couple of games where Leela smoothly outplays Stockfish. Can anyone ...
3
votes
1answer
71 views

How many matches have there been at the top level which have ended up with a tied score and a winner?

In the current FIDE Grand Prix tournament in Jerusalem the first round match between Pentala Harikrishna and Sergey Karjakin ended in a tied score, 4.5-4.5, but Karjakin won because the last game was ...
14
votes
4answers
3k views

How bad is 1. e4 c5 2. Nf3 d6 3. a3?

Is this move clearly losing for white? Chessgames.com shows 1 win and 2 losses for white only, and I could not find any other reference for this move.
23
votes
5answers
4k views

What does it mean to play “positionally”, and how do you train that?

I often hear this term thrown around when people are analyzing chess, but I don't really know what it means. I assume it's a generic term that means to play defensively, or to set up for the future. ...
7
votes
6answers
4k views

Moving into check for a draw as black, why is it illegal? Comparison to Racing Kings

I am confused why you cannot move into a check when it can force your opponent to capture your king and expose theirs. In such a case why is there no extra move to result in a draw? In the "Racing ...
5
votes
1answer
46 views

Recommendations for kids sites

I am a teacher, and don’t really play much. My students like chess and I want to send them to some safe chess sites for kids. Recommendations?
6
votes
3answers
152 views

Is it a good habit for an amateur to always try to play the best move (according to his best calculation and knowledge)?

Is it a good habit for an amateur to always try to play the best move (according to his best calculation), instead of sometimes purporsely play an inferior move hoping that his opponent does not know ...
2
votes
1answer
40 views

Analysis of a position in order to find the best move

I am trying to learn to play chess, but it is not an easy task. I am playing as much as possible and try to watch games an reading in order to learn. I am playng on Chess.com, and a lot of times I ...
2
votes
3answers
218 views

Analysis of a position of a low rated player in order to improve

I am a beginner in chess, and I am trying to learn how to play well. I am rated 800 in Chess.com, so I have a really low rating, and I am trying to improve it. I was playing a game and I have been in ...
5
votes
5answers
184 views

If elite players prefer to play short draws in knockout competitions, why not skip them and go straight to tiebreaks?

From the Chessbase article covering the Jerusalem GP: After day one of the quarter-finals finished with disappointingly short draws on all boards, FIDE Press Officer Anastasiya Karlovich made a ...
16
votes
4answers
8k views

Carlsen beat a high ranking GM with 1 Nh3. Conclusions?

In 2018, Magnus Carlsen played a rapid game on chess.com agaisnt Grandmaster Aleksey Dreev in which his opening move was 1. Nh3. [Title "Magnus Carlsen-Alexey Dreev, Pro Chess League, chess.com INT, ...
2
votes
3answers
102 views

Books for beginners who have hard time understanding positions of pieces?

I'm new here and I found a book called Logical Chess by Chernev. Is this a great book to start if you are a beginner and you only know how to move pieces but not how to develop them? I'm having a hard ...
3
votes
2answers
143 views

Is it inadvisable to analyze or play long chess games on a smartphone?

I play a lot of online chess, but I am a federated player whose objective is to play well over-the-board games with 3D pieces. During my hourly tactics exercises I turn on the computer and do it in ...
7
votes
10answers
7k views

Is a Finite State Machine a good way to model chess?

A very common model in programming is the Finite State Machine (FSM) (see here for a great worked example.) Is a FSM a good way to model chess? What are the best ways to go about it? What chess ...
2
votes
2answers
3k views

Why doesn't Stockfish (DroidFish) try to flag me?

Imagine the following position: [FEN "3k4/7p/7K/3B4/8/8/8/8 w - - 0 1"] White is played by Stockfish in DroidFish and black by human (me). We both have 15 seconds. After a few moves, white bishop ...
10
votes
5answers
2k views

What are some games I can watch to become better in playing chess?

I have just started learning to play chess and I find it really interesting to learn. I would like to learn as much as possible in order to become a good player. I looked on Youtube, trying to find ...
7
votes
1answer
343 views

Finding New York City tournaments as a visitor from Moscow

I am visiting New York City from Moscow. How can I find tournaments there?
1
vote
0answers
31 views

Winning when the other player is in stalemate? [duplicate]

Do I win if the other player has only their king left and cannot move it because any move will result in its being captured?
2
votes
3answers
156 views

Penalty for violating FIDE rule 8.1.2 - writing moves in advance

At one of the chess league fixtures recently, one of the players was writing moves in advance of moving the pieces on the board. As per the FIDE rule 8.1.2 it's forbidden to do so, but in practice ...
4
votes
2answers
106 views

Improving my skills is getting harder

I am new to chess and I am playng mostly online at sites like chess.com. Now I have a rate around 800, so it is still low, but my problem is that improving my skills is getting hard. The arrival to ...
3
votes
1answer
200 views

Hans Berliner and computers. Did he win the world ICCF championship using computer help?

Way back when, Hans worked for IBM. I met him at an IBM data center one time, but he worked in the Federal division and just used the center for a demo. I had known him from the Washington Chess ...
5
votes
2answers
735 views

What is a winning position in chess?

I am new to chess, so I have some difficulties on understanding some concepts. For example, by watching games usually I hear that a player has a winning position, or a better position respect to the ...
4
votes
3answers
208 views

How to play vs the 1…e6 and 2…d6 Pawn structure?

I've noticed that sometimes beginners play 1. e4 e6 2. d4 d6 as Black. [FEN ""] 1. e4 e6 2. d4 d6 As strange as it may seem, I find it difficult to play vs this neglected defense. Is it better to ...
2
votes
2answers
59 views

Is a wasted tempo with an early …a6 or …h6 by Black in the opening really compromising?

Is a wasted tempo in the opening for Black with an early ...a6 or ...h6 really dangerous? For example, in the following opening: [FEN ""] 1.e4 e5 2.Nf3 Nc6 3.Bc4 a6 (or 3...h6) Or in the following: ...
5
votes
6answers
275 views

What was the first “Opening Repertoire” book?

As title above states, what was/were the first "Opening Repertoire" book/s? I remember that opening books of the 1970s and early 1980s weren't actually repertoires for White or Black, but treatises on ...
1
vote
3answers
100 views

Winning as white is a struggle!

[Title "White to move"] [FEN "5r2/5q1k/6pp/1p2P3/1P2p2P/6RK/3Q1P2/8 w KQkq - 0 1"] I can’t seem to win here, no matter what I do. Is the position really that bad for me as White?
6
votes
1answer
140 views

Portisch-Radulov, Moscow 1977. Doesn't 16.c5 lose a pawn?

[title "Portisch-Radulov, Moscow 1977"] [fen "2r2rk1/pb1n1ppp/1ppqp3/8/2PPQ3/1P3NP1/P4PBP/R2R2K1 w KQkq - 0 1"] Doesn't 16.c5 just lose a pawn?
4
votes
1answer
134 views

Symmetrical opening

In Capablanca's "Chess Fundamentals" this symmetrical oppening is considerd. [fen ""] 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 The author then claims that a long analysis shows ...
3
votes
1answer
52 views

Are there any sources of massive transposition tables?

Do transposition databases exist the way tablebases do? Would an engine be able to take advantage of a pre-calculated TD? Is there a benefit to players when studying if they had access to pre-...
4
votes
1answer
100 views

What are the merits of Anand's exchange sacrifice in game 9 of 1995 World Chess Championship?

From various sources (some of which I have mentioned below) I have heard Vishy Anand's 27th move in game 9 of 1995 world chess championship match against Gary Kasparov , which was an exchange ...
4
votes
4answers
107 views

Ideas for giving chess lessons at school for differing levels of playing strength?

I have been running the chess club at the local high school, which I graduated from 40 years ago. As part of it, I have been giving free lessons. I have had several problems, and I am looking for ...
12
votes
6answers
3k views

Arrange 5 non-attacking knights on a 5x5 toroidal board

The celebrated British mathematician and lover of public transport, Simon Norton, was one of those who passed in 2019. He was the subject of a wonderful biography and one of my favourite human beings: ...
3
votes
1answer
62 views

Which chess server is most stable in mainland China?

I had been playing mostly on chess.com. Recently I moved to Shanghai, and chess.com is really unstable here. I had numerous abandoned games due to disconnection, and I can check that my internet is ok ...
3
votes
1answer
160 views

What is the farthest away a game can be from a guaranteed checkmate?

What is the maximum number of moves away from checkmate that a player can be where checkmate is guaranteed? There are many positions that are a guaranteed win for a player if played perfectly right? (...
9
votes
3answers
2k views

How do you get to this trap position?

[FEN "rn1qkbnr/ppp1pppp/8/8/2B3b1/2N2N2/PPPP1PPP/R1BQK2R b KQkq - 0 1"] 1...Nf6 2.Bxf7+ Kxf7 3.Ne5+ Kg8 4.Nxg4 It's black to move. There is a trap: 1...Nf6 2.Bxf7+ Kxf7 3.Ne5+ Kg8 4.Nxg4 and white ...
0
votes
0answers
184 views

New Fritz 17 User

I have just moved from Fritz 13 to Fritz 17 and have set up a new database with all my club games. I can easily retrieve the game, however, when I press analysis and replay a new box appears with full ...
2
votes
3answers
136 views

Are there any moves in the opening stage that are perfectly sound but not book moves?

In the opening stage, are there any moves that are perfectly sound but are not book moves? Here a book move, is defined in Wikipedia as follows: Opening moves that are considered standard (often ...
23
votes
5answers
13k views

Has anyone attempted to characterize chess mathematically?

From years of being student, researcher, and practitioner of chess, I feel like it possesses completeness and elegance that are found in mathematical proofs and theories. Thus, it seems only natural ...
4
votes
3answers
186 views

Chess engine: Quiescence Search increases required time by a factor of 20

I am currently trying to implement a basic chess engine and got to the following point: I have got Alpha-Beta Pruning implemented and extended it with a transposition table. To further increase ...
3
votes
2answers
543 views

Can Black play for a win here?

In the position below: I was Black and I was not sure how to proceed. Finally, I decided to play aggressively with g5. I know it was too risky and weakening, but I did not see what else to do. After ...
1
vote
1answer
86 views

Winning middlegame?

The following is a winning middlegame for White from Capablanca's Chess Fundamentals. It's white to play. [FEN "2nb1rk1/1pqrnppp/p2p4/2pQ1N2/6P1/1P1B1N1P/P3RP2/3R2K1 w - - 0 0"] 1. Nxe7+ ...
21
votes
9answers
14k views

Is rotating a pawn so that it faces a different direction and then moves in that direction technically permitted according to the 2018 FIDE Laws?

While browsing the Chess Stack Exchange and Puzzling Stack Exchange sites, I've come across several instances where people have found loopholes in the rules of chess, causing these loopholes to be ...
5
votes
4answers
883 views

Help with game phase identification

I'm working on a chess AI for a school project and I am looking into ways to identify the current phase of a board, meaning the opening, middlegame, and endgame. I have seen an article explaining ...
15
votes
3answers
4k views

Positional thinking by Grandmasters

How do Grandmasters think in an unknown position and make the best move?
9
votes
1answer
2k views

What is the Bongcloud opening?

I have heard the Bongcloud opening mentioned on Chess.com, but I have never heard of that. Is this a real opening? What is this opening?
2
votes
1answer
68 views

Use of transposition tables in chess engines

I hope this is the right place to post this question. So I like to implement things myself without using libraries and one of my first projects was a chess engine and I would like to improve this one. ...
3
votes
2answers
141 views

What is a DGT 2010 Limited Edition chess clock worth?

I have a DGT 2010 Limited Edition chess clock (red version from 2013) and I want to know the market value. I can't find any listings for it on ebay or chess shop websites, other than old pages from ...
3
votes
3answers
150 views

Why is white's best play Nxd5 here?

I'm new to chess. In the position below, lichess analysis says that Nxd5 is the best move for white. But can't black just capture the knight afterwards with his pawn and threaten white's pawn and rook ...
14
votes
4answers
2k views

Pros and cons of playing correspondence chess

I play correspondence daily. My reason to do it is I am weak in openings and I can survive to the middlegame because I have access to databases; and I want to learn how to survive the opening and to ...

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