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4
votes
3answers
49 views

Level the field when letting computers play against each other

I just read this question and it made me wonder: when setting up such a game/comparison - shouldn't you try to level the computing capacity field? Or at least limit how much energy each "player" is ...
3
votes
3answers
33 views

Are there any books pamphlets or articles on how to train to play at GM level?

CL&R had an article about how Fischer trained at a spa in the adirondacks for an upcoming match. One thing he did was swim and also hold his breath for as long as he could. Not sure that ...
3
votes
1answer
30 views

Are there any current studies on the physical effects of playing chess?

In the 50s Eliot Hearst printed the results of a study in "Chess Life and Review" (A private publication by I A Horowitz editor later merged into the USCF's monthly magazine, and later renamed "Chess ...
5
votes
3answers
415 views

Knowing that AlphaZero beat Stockfish 8 (28 wins, 0 losses, and 72 draws), what would AlphaZero's rating be?

I found three different questions here on SEC that asked what Stockfish 8's rating was for the match against AlphaZero, but none that asked what AlphaZero's rating should have been after (if it had ...
4
votes
4answers
241 views

1. e4 e5 2. f4 exf4 3. Nf3 c5 — Sicilian Defense to King's Gambit?

[FEN ""] 1.e4 e5 2.f4 exf4 3.Nf3 c5 What's the refutation of Black's unusual third move, or anyway the best way to play against it? Which is stronger, the Open Variation 4. d4 cxd4 5. Bxf4, or the ...
2
votes
1answer
24 views

Best way to loop through all possible moves (Alpha Beta)?

Essentially I'm just trying to create a somewhat efficient chess ai using an Alpha Beta Pruning approach for a future neural network to train against. I know I could use an existing program but this ...
2
votes
1answer
109 views

What was one shortcoming of alpha zero that Kasparov noted?

I [kasparov] can look at AlphaZero’s games and understand the potential weaknesses. And I believe it has made some inaccurate evaluations, which is natural. The reason he says that is alphazero ...
0
votes
0answers
43 views

Games with three en passants

Games with two en passants in them are are uncommon, and games with three are exceeding rare, and four has never been achieved as far as I know. I only know of four games with three en passant ...
1
vote
1answer
81 views

What was it that AlphaZero did that dazzled experts?

Wired magazine recently said Most remarkably, AlphaZero uncovered new approaches to the game that dazzled chess experts. Just what was unique about alpha zero that was so dazzline?
1
vote
1answer
32 views

Searching for a position in the mega database 2020 with ChessBase 15

The setup is ChessBase 15 with the mega database 2020. I look in it for the Najdorf starting position [FEN "rnbqkb1r/1p2pppp/p2p1n2/8/3NP3/2N5/PPP2PPP/R1BQKB1R w KQkq - 0 1"] as follows : I double ...
1
vote
2answers
41 views

Alpha-beta add variance/handicap

I want to implement a handicap for my engine and Im struggling with it. I using alpha-beta pruning. In my current approach I set a variance variable in centipawns and let the engine choose a move in ...
2
votes
1answer
87 views

Castling - “king & rook must be on the same rank” = “Only original rooks can do Castling”?

According to Wikipedia, one of the conditions of Castling is: The king and the rook must be on the same rank (Schiller 2003:19). It's because Without this additional restriction, it would be ...
4
votes
4answers
115 views

Programmatic method to determine if a move is passive or aggressive

I'm currently trying to determine if a player on average plays more aggressive or defensive games. To do this I wanted to look at a game from that player, then average the amount of aggressive moves ...
10
votes
2answers
2k views

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 ...
12
votes
7answers
4k views

How to play against higher rated (much stronger) players?

I am about to play a master. That is an important game, and I want to win that game. What should I do and how to prepare? Is there something special I can do, like special opening, sharp lines,...
1
vote
2answers
88 views

What is it like to be a Twitch chess streamer? [closed]

I want to make a Twitch stream channel with my friend, and I want to know what the experience is like. Can explain it better to me or share their knowledge and experience?
4
votes
2answers
168 views

The difficulty of finding the exact losing move

Are there examples of chess games where the exact losing move has been found only with the help of engines? Better still, games where the exact losing move cannot be found even by the best current ...
0
votes
0answers
50 views

Examples of moves only probably losing [closed]

What are some examples chess moves that seem to be "weak" only because they seem to be refuted by sacrificial maneuvers lengthy and practically impossible to thoroughly calculate? The context can be ...
2
votes
1answer
57 views

How does Stockfish calculate advantage? [duplicate]

Recently when I was on Lichess, somebody pointed out in chat that Stockfish calculated advantage based on what it considered as the best move for both sides. However, when we play the best moves (...
5
votes
2answers
120 views

Why did Kasparov avoid the Marshall Attack?(With White)

I read that during Kasparov's long chess career he always avoided the Marshall attack with Anti-marshalls(h3 and a4). This seems very counter-intuitive to me since the positions that arise from the ...
3
votes
1answer
53 views

Did any other language than English ever use Descriptive notation? Which languages have always used Algebraic?

Descriptive notation seems to be limited to certain languages like English, and I found a Wikipedia article that mentions Spanish and French. I have never seen a Russian book that uses Descriptive, ...
30
votes
4answers
10k views

Is Stockfish 11 (level 20) beatable?

I have heard many people saying, “Hah! I beat Stockfish,” and one saying, “I am the best chess player ever! I beat Stockfish.” So I wonder if it is possible, just to know whether I should try to beat ...
1
vote
0answers
45 views

Are there studies showing that descriptive notation is easier to use for blindfold than algebraic notation?

What studies have compared effectiveness for thinking by chessplayers using descriptive vs algebraic notation?
0
votes
0answers
43 views

Is calling moves by initial letters better for calculating? [closed]

Is calling moves by initial letters better for calculating? By better, I mean saying Qe5 in your mind, instead thinking of Queen to e5, for one example. This is not that much of a subjective question ...
1
vote
0answers
54 views

What effects would being able to capture while castling have?

Capturing an enemy piece while castling has been illegal for many decades, and the concept has been solidified in chess history. But what effects would it have if it were allowed? First, some ground ...
4
votes
2answers
1k views

Mosquito Gambit?

[FEN ""] [startply "5"] 1. d4 e5 2. dxe5 Qh4 3. Nf3 I reached this position after following the line for the Englund Gambit. Lichess says that this is known as the Mosquito Gambit. Is it a joke ...
9
votes
3answers
2k views

Why don't we see more Kings Indian Defenses in top level chess?

One of the most interesting openings, in my opinion, is the Kings Indian Defense (KID). 2-4 decades ago it used to be very popular at the top level with Bobby Fischer and Garry Kasparov using it ...
2
votes
2answers
102 views

What is an “artificial” move?

Sometimes I see a move or serial of moves described as "artificial" What does this mean? Here is one example, comments by Kasparov on move 10. ..cxd4. Taken from "Garry Kasparov on Garry Kasparov, ...
2
votes
1answer
52 views

What do DTM, DTZ, DTC, DTR, DTZ50, and DTZR mean?

I need help clarifying the abbreviations and acronyms used in endgame tablebases. Just what do DTM, DTZ, DTC, DTR, DTZ50, DTZR mean?
15
votes
2answers
4k views

How to indicate that “I need more time to consider your draw offer” in a formal game?

When my opponent makes a draw offer, I will consider whether to accept this draw offer or not and this consideration could take very long, say 20 minutes or more. What is a good etiquette now to ...
3
votes
1answer
87 views

What is the longest wait before a draw offer is accepted?

If I understand correctly, once player A makes a draw offer, the opponent player B retains the right to accept the draw offer as long as player B does not rejected it verbally, or touch a piece with ...
14
votes
2answers
5k views

Why is offering draw not recorded but giving a check recorded?

In recording a game, one typically does not record offering draws (if yes, how and is it required?) while one does indicate that a particular move gives a check by using + (or ++ for double checks). ...
3
votes
2answers
81 views

Export KPvK endings positions (up to black/white symmetry) from ChessBase 15 using python-chess

I have the megadatabase 2020 from chessbase and chessbase 15. I am using chessbase 15 to search the megadatabase 2020, my seach criterion being all games ended through a KPvK (king and pawn vs king) ...
6
votes
4answers
800 views

Flexibility over solidity? Defending against 1. e4

When defending against 1. e4, I'm a French Defense player. I enjoy the French Defense very much, and my win rate with it is fairly good. Lately, though, I've been wanting to explore new defenses, only ...
2
votes
1answer
98 views

Chess variants-Anyone recall the name for one that has a “superpiece” with the movements of the queen and knight?

What is the name of the chess piece in a variant game where there is a piece that moves like the queen AND a knight? Is there a name for this variant?
21
votes
4answers
6k views

Is there a name for a chess variant where you are allowed to capture your own pieces?

I occasionally think it might be fun to play a chess variant that is exactly the same as regular chess, except that it is permitted to capture your own pieces as well as your opponent's pieces - so, ...
7
votes
1answer
470 views

Your time is up on an online correspondence game but your oponnent has only his king; is it a draw?

If your time is up on a timed game, but your oponnent has only a king, the game is drawn. Does this rule apply to online correspondence games?
16
votes
2answers
4k views

Has a woman ever defeated a reigning undisputed World Chess Champion in classical chess?

I know that the great Judit Polgar defeated Kasparov, but he was no longer World Champion at that point. She defeated Anand, but he was not yet World Champion at that point. She defeated Kasimdzhanov, ...
21
votes
5answers
4k views

What is right way to set up King & Queen In the beginning of game?

I know this is very basic question, but I just started playing and want to know. How do you set up king and queen the right way? Heading I generally get confused between the King and Queen and what ...
2
votes
2answers
46 views

What programs (preferably open source) offer play against a computer with fine-grained difficulty-related adjustments?

My last serious attempt to get into chess ran into a basic difficulty with the program: with a bit of work, I got to a point where I could beat difficulty 1 or 2 on a scale of 10, but got consistently ...
4
votes
1answer
274 views

Is there a method to efficiently generate moves for bishops?

I currently have a function which returns the closed off squares for a piece in a particular position based on pieces blocking it. This function iterates over the rays of a piece and is sufficiently ...
8
votes
4answers
951 views

How do I understand White's +6 advantage here?

[White "White (to move)"] [Black "Black"] [FEN "rnq1kb1r/ppp3pp/4pn2/4N3/2QP4/2N2P2/PPP3PP/R1B1K2R w KQ - 0 13"] In this position, White can still castle, but Black cannot (having moved the king ...
7
votes
2answers
274 views

Question on chess commentary in written form

This is my first post on this forum, and bear in mind that I'm new to chess notation in English and never have read or heard chess commentary in the broadcast or publication. I'm trying to decipher ...
5
votes
1answer
241 views

What are some of the most instructive positional games covered in Agadmator's YouTube channel?

I am on a path to improve my chess and as of now I have phased it out to tactics endgames Tactics I can say with confidence I had good improvement in the last 8 months or so. About endgame, I kind ...
7
votes
1answer
216 views

Franci de Castellvi - Narcis Vinyoles 18. … Qg6??, a blunder by black?

[Site "Valencia"] [Date "1475"] [White "Franci de Castellvi"] [Black "Narcis Vinyoles"] [Result "1-0"] [startply "36"] [FEN ""] 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Bc4 Nf6 5. Nf3 Bg4 6. h3 ...
7
votes
2answers
134 views

Can anyone recommend a positional book focused on preparing pawn breaks?

Feel free to share more than one book. I'm very interested in understanding better those preparatory moves.
1
vote
1answer
51 views

Advanced Pawn Structure books [duplicate]

Hello fellow chess players, I´ve recently returned to the learning of this game and as I forgot several ideas on deep mechanics, I read (again) My System , from Nimzowitsch and found it very useful ...
4
votes
1answer
2k views

Why not save the queen by playing Qa5-a4?

Why does Black take the knight on d5 on his 9th move instead of saving the Queen by moving to a4? Is it because then on the next move white plays Nxc7+ followed by NxR?
20
votes
2answers
3k views

What is the Dorfman method in chess?

On various occasions in commentaries or interviews, e.g. during the World Championship commentary with Peter Svidler and Anish Giri, I've heard the Dorfman method being mentioned. I then learned that ...
1
vote
0answers
49 views

VinczeSwiss - the new FREEWARE program for swiss pairing - help me please with the translation [closed]

all. My name is Roman Vincze. I play chess (https://ratings.fide.com/profile/324906) and I'm also a programmer. As for tournaments with swiss system, all computer programs are paid. That's why I ...

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