All Questions

Filter by
Sorted by
Tagged with
3
votes
0answers
28 views

Infinite sequence of consecutive checks allowing more pieces (say 9+ queens)

This is a task related to this question: Theoretical limit for the number of consecutive checks?. By a sequence of consecutive check, what we mean is white giving check, black replying with a check, ...
0
votes
0answers
15 views

Problems using Chessbase [closed]

I'm trying to use the link, http://openings.chessbase.com/, as it was recommended to me for practicing chess openings. I went to start lines and understandably misclicked a move. I tried to figure how ...
4
votes
4answers
609 views

Extract anonymized games out of a pgn

I'm a big fan of pgn-extract, but I am open to other linux-friendly tools. I have a big pgn file (over 5 million games) and a set of ECO codes. My goal is to fetch all the games matching those ECO ...
1
vote
0answers
67 views

Why don't chess sites offer best of X match formats? [closed]

I believe chess sites should offer best of 3/5/etc match formats, rather than a one-off game. Basically, if you enter such a game, you don't "win" by just winning 1 game, you have to be the ...
2
votes
2answers
79 views

How to decide whether to exchange (good/active) bishops?

I have read about exchanging bishops for knights and inactive for active bishops. I still don't know how to decide when both sides' bishops are seemingly equally active. For instance, I have read that ...
4
votes
4answers
100 views

How do you document your opening repertoire on a mac?

I have an opening repertoire which I play consistently. My problem, however, is that occasionally I will find holes in my repertoire: main line variations for which I have zero prep. I'd like to make ...
1
vote
1answer
99 views

Is tactics training just a waste of time when you cannot play long games?

I have been doing tactics training quite regularly since the beginning of the year. However, I haven't really been playing a lot (for obvious reasons). On average, I would say that I spent 10 hours ...
-1
votes
1answer
68 views

How is AlphaZero defferent from Stockfish?

Obviously one is better than the other and AlphaZero uses machine learning and all, but what is the real reason for their different style of play? Given a position, both evaluate the next best move ...
12
votes
2answers
4k views

Is shuffling aimlessly for hundreds of moves permissible?

As I write this, game 73 of the TCEC Season 18 superfinal has just ended. What was most "interesting" about this game is the sheer amount of shuffling both sides did: starting from around ...
2
votes
1answer
104 views

Can playing too much chess make you see everything as chess moves?

According to this answer, some schizophrenics who compulsively play chess a whole lot see everything as chess moves. I looked for an alternate source of that information through a Google search and ...
19
votes
8answers
4k views

Is there value to learning openings as a new player?

Am a new player (had played before hadn't picked up a board for 3 years having never taken the game that seriously) and am going to try and commit to at least 1 rapid (10+5) game per day. Have made it ...
2
votes
2answers
73 views

Carlsen - Ghaem, why does Black want to do e5?

I am watching videos about the London system, and one example they use is this game. [Title "Carlsen-Ghaem, Baku 2016"] [FEN ""] 1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 c5 ...
6
votes
2answers
825 views

Safe place online for children to play against others

I'm looking for a safe website where my child can play. He is developing his game, I'm worried about people he may meet on various websites. If there are some known places please advise.
0
votes
2answers
54 views

Is there a standard way of scoring a position for chess programs?

It seems most chess programs score a position basically the same way, give or take a few tenths of a point, for a given position. For example, Stockfish might score a position as .65 while Houdini ...
2
votes
0answers
30 views

Looking for an historic chess game

I'm looking for an historic chess game (don't remember if Capablanca or Kasparov) that both queens are face to face and either let pass the other one, almost for like 7 or 10 movements, in the middle ...
1
vote
1answer
58 views

Why is stockfish not accepting my move?

I am trying to play with stockfish from terminal. I entered the following commands: position startpos e2e4 d The output was: Why is stockfish not accepting my move?
2
votes
0answers
24 views

Are there any cloud engine services solely 'pay per use'?

I'm looking for a chess cloud engine service where I only have to pay for the time I use. I thought chessbase.com provides that, but you have to get a premium membership first (as far as I understand)....
8
votes
5answers
1k views

Is there a word to count one moving by one player?

Is there a word to count one moving by one player? For example, the following series of moves: e4 e5 2. Nf3 Nc6 3. Bb5 a6 is counted as three moves. But if I want to denote "e4" as a unit ...
2
votes
1answer
108 views

How does Magnus create opportunities for his opponents to go wrong?

I have heard this statement many times, but I don't understand it. What does it mean exactly?
2
votes
0answers
16 views

Stockfish Transposition Table: 16 bit key equals 0 even if the key is found?

In Stockfish 11, they use the high 16 bits as key inside the cluster: const uint16_t key16 = key >> 48; // Use the high 16 bits as key inside the cluster This renders problem when key >> ...
7
votes
5answers
217 views

Why is it acceptable to resign?

In nearly every non-chess field of competition I can think of, it is generally considered poor sportsmanship to quit before the game or match is played to completion. When playing other board games* (...
9
votes
6answers
702 views

When is a queen better than 3 minor pieces (or vice versa)?

Obviously a lot is going to depend on the exact position, but I'm asking if there are any general signposts - e.g. bishops usually get better than knights if the position is open, or in an endgame, ...
1
vote
0answers
39 views

Magic bitboards: My indexing doesn't seem to work!

I am beginning to understand magic bitboards. I have successfully implemented them with Rooks, and I am currently working with Bishops. The method is very similar though. Problem I have a bishop on g7 ...
0
votes
4answers
693 views

What is perfect play?

What exactly is perfect play? Can there can be multiple perfect plays, which sounds quite contradictory? If perfect play is known for all openings then why would a player play anything other than that?...
3
votes
3answers
312 views

Is there a standard system of classification of games?

Given there are practically infinite number of chess games possible, does there exist a standard system of classifying or naming games simlar to how there are rules for naming a chemical compound ...
19
votes
6answers
5k views

Why struggle for a single pawn?

I've seen many chess games, where after a certain point, one side maneuvers their pieces (like doubling the rooks) to target a single point. Most of time it's a pawn on the wing and the other side ...
3
votes
0answers
33 views

How do I improve my Chess rating [duplicate]

Its been almost three and a half years since I am playing chess online on chess.com. But I never crossed my Chess rating above 1500 on chess.com. And I think that three years is enough for anyone to ...
1
vote
1answer
77 views

Mate In N algorithm-Lichess Computer Analysis

Is it possible to have the computer analysis report mate in 12 moves to only change that to mate in higher number of moves, like 15 for example, after it searches deeper?
6
votes
0answers
126 views

Games won by the stalemated player?

Here is a quote from Davidson, A short history of chess (Link), chapter 8, which I used in an answer to an earlier question. [...] In Italy, however, from the very beginning, players could not ...
3
votes
1answer
229 views

Why taking the bishop with queen is better here?

[FEN "rnbq1rk1/pp1B1p1p/5bp1/2pPp3/8/8/PPPNQPPP/R1B2RK1 b - - 0 1"] The engine doesn't want me to take the bishop with the bishop, but to instead use the queen and I don't understand. What ...
1
vote
0answers
11 views

How to open .atbw files which has endgame tablebase?

I have downloaded a .atbw file from the archive of endgame tables for the atomic variant of chess from lichess tablebase I have downloaded this file, but have no way of reading it or accessing it as I ...
3
votes
2answers
73 views

How to get static evaluation from Stockfish in case that a king is in check?

I am working on a program that should recognize the difference between human and computer players. For this purpose, I need some parameters. A part of them would be the individual values of the static ...
0
votes
1answer
69 views

Sicilian Defence or Caro-Kann also help with Queen's pawn opening [closed]

I know and play the Sicilian defense. Specifically, I mix it with the Hyper Accelerated Dragon with the kingside rook pawn movement akin to the Najdorf. I am also learning the Caro-Kann, in which most ...
5
votes
1answer
49 views

How much material is needed to force the capture of a lone queen (for example in horde chess)?

In horde chess, the following starting position is used: [FEN "rnbqkbnr/pppppppp/8/1PP2PP1/PPPPPPPP/PPPPPPPP/PPPPPPPP/PPPPPPPP w - - 0 1"] The goal of White is to checkmate Black; the goal ...
1
vote
1answer
47 views

How to store moves for a magic bitboard system?

I am currently trying to implement magic bitboards into my chess engine. Let's just talk about rooks here. Given a square, what I can currently do is: -Calculate the sliding moves on an empty board. ...
6
votes
2answers
3k views

Does a loophole still exist in the defintion of castling?

Castling on the e-file with a promoted rook, an idea immortalized by Tim Krabbe and Max Pam, is no longer legal since FIDE amended the wording to state that castling is an actionn on the first/eigth ...
4
votes
0answers
47 views

Mouse vs Touch performance for bullet chess

Though I have played chess for a long time, only picked up bullet chess very recently. And with better results than expected. However, as I play at random times I find myself playing in different ...
3
votes
2answers
95 views

Does everybody has a different natural ability to improve in chess?

I have seen some players quickly increase their ELO within months, and some within years. Is there some genetic intelligence in those players (like someone in their family also played chess)? I ask ...
1
vote
1answer
62 views

Calculating the precise number of combinations of possible moves from a given position

I was surprised Bobby Fischer couldn't find a mate in 3 within 30 minutes in this problem by Pal Benko. This made me wonder-how many actual moves are possible with so few pieces left in only 3 moves? [...
24
votes
7answers
5k views

Would an ensemble of chess engines beat the best one?

In many areas such as prediction and classification, ensemble methods tend to outperform individual methods. This made me wonder if it would make sense to pick a few of the top chess engines and work ...
4
votes
4answers
71 views

Absolute strength and stability of Elo

Not sure how to phrase this... I am aware that Elo measures the relative strength of players. Let's assume for this question that there is such thing as an absolute strength in chess and that players ...
2
votes
3answers
399 views

Can White defend and possibly win?

[FEN "1nkr2nr/pppp2pp/2b2p2/3q4/3P4/1NQ5/P1P2PPP/R1B1R1K1 w KQkq - 0 1"] Can White possibly win in this position and avoid a queen mate on g2?
2
votes
0answers
31 views

Multi-thread performance

I'm implementing multi-thread in my engine but I think I'm not getting the expected performance boost. Below are the results from the initial position to depth 10. The single thread version takes ...
5
votes
3answers
2k views

lichess vs chesscom players [closed]

I have been playing on chess.com and lichess for more than 2 years. My rating in blitz on lichess is around 2100, and on chesscom is around 1800. Yet I highly believe that the players on chesscom are ...
1
vote
0answers
18 views

How to visualize variations clearly? [duplicate]

So,I'm reading some annotated games and analyzing them in some app.I feel too lazy to make separate moves for the variations give and tend to do them in my head,but i find it difficult to do after say ...
1
vote
2answers
83 views

What are the rapid and blitz forms of chess?

I have no clue-I am a recreational player who wants to join FIDE tournaments.
6
votes
2answers
939 views

How to win a rook endgame with two extra pawns-4 vs 2 general plan

In this diagram it's White to move. Black should be winning in this endgame. I want a simple plan on how to move the Black pawns in a way that I will avoid the horizontal and vertical checks from the ...
3
votes
0answers
44 views

Probability of given position/piece configuration

I'm currently working on an image based FEN generator. I found a paper doing the same and they have used Stockfish to calculate the most probable piece configurations. Now I wonder if Stockfish has ...
4
votes
1answer
87 views

Which chess GUIs support the chess variants Atomic and King of the Hill?

I want to play against Stockfish offline because I'm going on a trip. I downloaded the compiled exe from GitHub since my laptop will have limited Internet connection. After loading it into the Arena ...
-1
votes
0answers
28 views

How do i join a FIDE tournament? [duplicate]

I would like to know how to join a FIDE tournament to become a FIDE rated player, have fun and enjoy the challenge.

15 30 50 per page
1
2 3 4 5
120