All Questions

-1
votes
1answer
47 views

Chess FEN winner

I'm new to Chess FEN notation and I'm making an online chess game, but I have one problem, I need to check after every new move if there is a winner and which one is a winner. Can I extract that ...
0
votes
1answer
25 views

How do I register for a tournament that appears in the FIDE website but not on chess-results?

Here is this tournament on the FIDE website. However, there are no contact details, no venue mentioned and the tournament does not appear in the chess-results database. How do I register for such a ...
2
votes
2answers
120 views

Which countries are easiest to gain rating points and earn FIDE titles in?

I recently played in a tournament in Iran (Fajr Cup, u2000), where 1600-rated players were a serious threat, and 1400-rated players would fight to the last pawn. I don't think a single opponent of ...
4
votes
4answers
125 views

In the opening stage, can we determine that one move is better than another by looking at winning percentage?

After 1.c4 Nf6 2. Nc3 g6, thousands of games have been played with the following two moves of white: 3.g3 and 3.e4. It seems that the winning percentage suggested that 3.e4 is clearly better than 3....
1
vote
2answers
80 views

Setting up the knights [closed]

When playing chess on a physical board, which way should the knights face? Sideways (as in chess diagrams) or straight ahead? If there is nothing in the rules about this, how do the professionals ...
4
votes
2answers
487 views

What did I blunder at move 23?

I played a game recently on chess.com, where the most detailed analysis identified a single blunder in the game -- 23. d6 The analysis given by the computer suggested that 23 Qd1 was better, with the ...
-1
votes
1answer
92 views

What is the quickest checkmate for the rook, horse, bishop, and pawn, i.e where said piece delivers the checkmate on the final move?

NOTE: This is asking for 4 separate answers to be clear, all rolled into one. It does not matter how the mate is achieved, just so long as said piece/pawn asked for does the actual mating. The Queen ...
2
votes
2answers
82 views

Where is the neural network used in MCTS?

Where does an engine (such as AlphaZero) use its neural network in MCTS? It shouldn't be needed to evaluate positions reached via MCTS, since I'm under the impression that only terminal game states ...
1
vote
2answers
86 views

Rook and Bishop VS opposite Bishop

I drew a game with rook and bishop vs opposite color bishop (50-move rule). Is this a theoretical draw? If not, what is the technique to win?
4
votes
1answer
106 views

Why didn't Spassky play 26. g3 in game 5 of Fischer-Spassky (1972)?

Fischer's play was powerful in this Nimzo-Indian, achieving a strong knight against two bishops in a closed position. The knight became a monster on f4. But why did Spassky let the knight reach f4? ...
1
vote
2answers
93 views

How good of a tactical player is Magnus? [closed]

Everyone knows the amazing positional ability and endgame ability of Magnus Carlsen, but how is his tactical skills. I have heard someone say tactics are not his specialty? is this accurate
4
votes
3answers
277 views

Not Developing a Piece in the First Five Moves

Here are the first few moves: 1.c4 e5 2.Nc3 Bb4 3.Nd5 Bc5 4.Nf3 e4 5.d4 Bf8 After the fifth move, black has essentially only pushed one pawn, while while has developed two knights and his c-pawn ...
2
votes
2answers
194 views

Not in stalemate, but why is this a draw?

I was practicing with stockfish level 8, having two rooks in the endgame whereas stockfish has only one. At the 78th move, it was declared as a draw. But, it was not a stalemate. Can anyone please ...
7
votes
2answers
159 views

What is the purpose of 12.a3 in the QGD Lasker Defence?

this is about queen gambit declined lasker defence : [fen ""] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Rc1 Nxc3 10. Rxc3 c6 11. Qc2 Nd7 12. a3 why or ...
3
votes
1answer
55 views

Bonus added at move zero

Is the bonus time added before the game starts, that is before the first move? I play in a competition that has a time control of 1 hour 40 minutes +30 seconds per move. If I set the chess clock to ...
2
votes
2answers
39 views

Does 40/100, SD/30 d10 mean that the delay is applied to both time controls?

I am going to be going to my first tournament soon (the southern class championship), and am slightly confused about the time control. Most tournament listings have something along the lines of 40/...
0
votes
1answer
64 views

Any suggested check list for beginners? [closed]

is there a simple / basic / quick checklist that beginners can use when in super easy games? I am not worried about questions like pawn structure, applying pressure, maintaining momentum, I am talking ...
10
votes
1answer
876 views

Touch-move when move is illegal but opponent's piece can be capture by another piece

This is the scenario: I pick up my Knight to capture my opponent's Bishop (touching the Bishop). I then realise my Knight was pinned to my King in the first place, so moving it would be illegal. ...
11
votes
2answers
248 views

Why does NN + MCTS & AB + handwritten eval dominate engine chess?

As I understand it engines can be divided into four groups right now: those that use Alpha-beta (AB) + those that use Monte Carlo Tree Search (MCTS) for search, and those that use handwritten ...
20
votes
1answer
7k views

Is there a specific penalty for intentionally damaging chess pieces or the board?

If a player intentionally damages a chess set (e.g. breaks a piece in two, cracks the board, etc.), is there a specific penalty under FIDE rules? I'm not talking about moving pieces around ...
3
votes
1answer
45 views

Glicko 2- Calculating match-by-match or batch of matches?

I'm looking to implement a Glicko 2 library in my application, however the two libraries I'm considering are different. Firstly, they produce slightly different results for the same dataset (the ...
21
votes
3answers
6k views

Is it legal to play a move without hitting the clock?

In the game Andrey Esipenko - Nihal Sarin (2018 World Blitz Championship), after 7. Qb3 c4 8. Qc2 Sarin plays 8... Bf5, and before he hits the clock, Esipenko plays 9. Qc1, but since Nihal has not ...
4
votes
2answers
170 views

Rating system for 5000 players

we belong to a state in India with over 5000 active players. FIDE rating tournaments and FIDE rated players are here but we wish to start a new internal rating system like the USCF or ACF rating ...
0
votes
3answers
134 views

How should I play as White if Black Defends the Tartakover QGD without …h6?

This question is related to another I just posted, but it is actually a different question: if Black Defends the Tartakower QGD without an early ...h6, and I am an Anti-Tartakower–Makogonov–...
2
votes
1answer
65 views

Why 5…h6 in the Tartakower Queen's Gambit Declined and not in the Orthodox Variation?

Why is the Tartakower Variation of the Queen's Gambit Declined almost always predeced by 5...h6, while in the Orthodox defense an early ...h6 is almost never played by Black?
1
vote
1answer
51 views

Is it possible to configure SCID to use English descriptive notation? [closed]

I'm going through a classic book (Reti's Modern Ideas in Chess), which uses English descriptive notation rather than algebraic notation. I see there is an online resource which has converted the book ...
12
votes
2answers
1k views

Is it allowed to talk to your opponent in a tournament game?

Suppose my opponent in a tournament was running very low on time, and after move 40, presses the clock and leaves the board for a while, falsely believing they will get extra time on their clock. ...
-1
votes
1answer
64 views

Confusing question about the “Pawn” [duplicate]

I enjoy playing chess and thought that I knew all of the "rules"??? However, I just found out now something interesting, though very confused regarding what exactly the "Pawn" is able to perform??? ...
-1
votes
3answers
264 views

What is this opening, can't remember name, driving me crazy

Image attached. May not be exactly right but looks something similar to this! Thanks]1
6
votes
2answers
288 views

Is there a reason AlphaZero hasn't been allowed to learn for longer?

Why don't the developers of AlphaZero let it learn for days, or even months on end? Wouldn't its neural network become much stronger, at the cost of just occupying some computational resources for a ...
15
votes
5answers
2k views

Assessing an early c4 against white's Stonewall structure

I made a horrible decision as black in a game, and I do not understand why it's incorrect. [fen "rn2kb1r/pp2pppp/1q3n2/2pp4/3P1P2/2PQPN2/PP4PP/RNB1K2R b - - 0 1"] I played c4, Stockfish considers ...
7
votes
3answers
239 views

Punishing player for indicating moves to other team players

I am arbiter myself, but I don't know how to treat player in team matches who try to indicate other players of their team what move to play in position they are in. If they won their game I might ...
9
votes
3answers
205 views

Examples of forced stalemate

The usual case one often sees specially in blitz play is when one side (usually the winning) mis-plays and then stalemate occurs with the losing side dodging a loss. But are there positions where ...
3
votes
3answers
141 views

In the English Opening, where should the d-pawn go?

Whenever I play the English Opening, I usually try to achieve a c4, d4, e3 pawn structure. However, in this video by STL chess club, the instructor recommends playing d3 (and possibly e4 later) to ...
2
votes
1answer
91 views

Master blindfold chess in 6 months [duplicate]

I want to be able to play entire games blindfolded, atleast at the strength that I can win against beginner players. My current ELO is around 1800. I usually manage to play ok moves up to move 20, ...
1
vote
1answer
103 views

Why might this supervised engine make mistakes based on an example game?

I am developing in my free time a python-based supervised chess engine. It is trained on past games to detect who wins (only games without draw), then it proceeds as follows: 1) find the top 4 moves ...
10
votes
2answers
3k views

What was the first chess engine that could beat the world champion on a standard desktop?

What was the first chess engine that could beat the world chess champion when running on a standard desktop playing at standard speeds (i.e. not blitz chess)? For concreteness, say a $1000 PC.
-3
votes
2answers
134 views

Which is the most popular and crowded chess server?

Which is the most popular and crowded chess server? I'm new at computer chess, and want to start playing at servers, but I do not understand where I have to play. I am hearing about freechess, ...
3
votes
2answers
181 views

Can anyone recommend a Chess platform that, well, you better read further

I thought I might take a minute to share a project I started about 20 years ago. Essentially, I used my ChessMaster program to make a "Chess Explorer". In 1998, I noticed I could add notes into ...
0
votes
1answer
127 views

Chess GUI recommendation for linux [closed]

Which chess GUI will be good for Linux. I have tried a lot of GUI's, but as I am new at computer chess, I have no idea about pros and cons of chess GUI's. Which is chess GUI will you recommend? Is ...
-1
votes
4answers
93 views

In the middlegame, can one avoid compromising the balance one's opening has achieved? [closed]

A polite duplicate asked last week by @57Jimmy mentions an incidental matter I find interesting: But when all the pieces are out, well placed, and I have castled, I have no idea about what I should ...
7
votes
2answers
501 views

Why do top GM's “retire” from chess? [closed]

After Kramnik's recent announcement, Nakamura also said in a chess.com interview that he will retire from chess at age 40. I am curious why a super GM feels the need to "officially retire" from chess ...
4
votes
2answers
116 views

What are the similarities and differences in pawn Structure from the Scandinavian and the Caro-Kann?

It seems both openings have the Capablanca Pawn Structure with c6 and e6 I'm curious about where the similarities stop and what are the optimal pawn breaks.
1
vote
2answers
202 views

Why does lichess ban players? [closed]

Few days ago I was watching a game review on lichess and found out one of the player's account was banned. Any idea why lichess does that?
2
votes
2answers
221 views

Making the giuoco piano interesting as white [closed]

Does anyone have advice to give against the giuoco piano ? I find this opening boring for white after 3... Bc5 and I'd like to find a way to keep playing the italian without risking to play a boring ...
17
votes
2answers
3k views

What does “TPR” mean in chess tournament reports?

I usually find in reports like this (and many others) something like: ... with a TPR of 2551 ... I would like to know its meaning, and also what it stands for.
3
votes
1answer
139 views

How does Stockfish ensure an incremental change made is beneficial?

Does Stockfish's testing framework get the new engine to play the old engine many times in a match? Since Stockfish thinks on each move according to a time limit (and not a depth limit, which gives a ...
10
votes
3answers
219 views

LiChess puzzle 87510: How much calculation would a strong player do before playing Bg4+ when white has a range of (all losing) responses?

LiChess puzzle 87510 has the following position: [FEN "r1b1k3/pp4R1/2q3RQ/4p3/5P2/bP2P3/2P1K2P/8 b - - 0 1"] The solution is 1...Bg4+, after which white has 6 legal moves: 1...Bg4+ 2. Rxg4 Qxh6, ...
2
votes
1answer
135 views

Can you claim a draw, after the position has changed, if threefold repetition occurred earlier?

I understand that when the same board position occurs three times in a game, with the same player to move, and having all the same possible moves, the game may be claimed as a draw by threefold ...
4
votes
3answers
177 views

Isolani pawn question

After reading Chess structures of Mauricio Flores Rios, I have some initial questions on the Isolani (or isolated queen pawn). The author shows this diagram: Latee, he proceeds to giving White and ...

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