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votes
0answers
31 views

Moves per depth in search engines

I have been implementing a chess engine myself and it is playing pretty good but it seems to calculate way too many nodes. I was looking at this post: Stockfish nodes And tested it with my engine. ...
4
votes
2answers
155 views

Is this K+4P vs KB+P endgame drawn?

Is that position always a draw? I've tried to play it few times and I always end with lone bishop or a stalemate 8/3k3/p7/2Pb4/PP6/2KP4/8/8 w KQkq - 0 1
7
votes
2answers
2k views

Is blindfold chess bad for the health?

From Wikipedia, While blindfold chess has been recommended in moderation by many sources as a method of increasing one's playing strength, simultaneous blindfold exhibitions were officially ...
2
votes
2answers
278 views

draw game on lichess after 2 repetitions? [duplicate]

I was playing this game with white https://lichess.org/INsUhHEO I was losing, so I was happy to see the 3-position draw button appearing, which I clicked. But after, reviewing the game, I couldn't ...
14
votes
6answers
3k views

What is a “monster knight”?

I was watching an agadmator video explaining a game between two chess engines, and at one point in the video after a knight move, agadmator talks about how that knight then became "basically a monster ...
16
votes
5answers
2k views

How is “fianchetto” really pronounced?

I have heard "fianchetto" for four decades now, and I have always pronounced it "fēənˈCHetō", but I have heard many people also pronounce it "fēənˈketō". It is of Italian origin, so I am wondering if ...
3
votes
2answers
61 views

Why did Fischer play 17.c4 here?

Why did Fischer play 17...c4 here? [fen "r4rk1/1q1n1pp1/4b2p/p1pp4/8/Q2NP3/PP2BPPP/R4RK1 b - - 0 1"] Doesn’t it make the bishop e6 a lot worse? I would have played rfb8 instead, but I am not Fischer....
5
votes
2answers
178 views

Does the PGN specification mistakenly omit solidus (/) for symbol tokens?

The Portable Game Notation (PGN) specification appears to contradict itself regarding the valid characters that may appear in a symbol token. From [1], section 7, quote: A symbol token starts with ...
-2
votes
1answer
110 views

Does chess need promoting at all?

Chess has survived for thousands of years. Do we need to make special efforts to promote it? Should anyone bother to promote chess other than FIDE?
6
votes
1answer
150 views

Who is best at promoting chess?

Should FIDE be the one to promote chess. Or USCF and other national NCFs? Should it be tournament promoters who profit from more players attending? Is it the job of local clubs to promote chess? ...
2
votes
2answers
126 views

Why doesn't the computer take my knight?

[FEN "3r4/p1p1kp2/1pn1b2p/4P1p1/P3pN2/2P1P1B1/2P2PPP/R5K1 b - - 0 1"] 1...Nxe5 {This was the original question with black to move.} (1...gxf4) (1...Rd2) NB: Black's knight was on C6 and has just ...
27
votes
10answers
7k views

How can we make chess community welcoming to women/girls?

How to make chess community and environments more welcoming to women/girls? Chess is not a sport/game of choice for most women. The following two nice answers discuss why -- one, two. These are ...
3
votes
2answers
906 views

In what ways is it the best to use a computer in correspondence chess?

I have only recently started correspondence chess and I have read that engines are allowed in correspondence chess. I definitely do know that the world champions of correspondence chess have said ...
6
votes
2answers
107 views

Is it ethical to refer to opening book for the first few moves of a correspondence game? [duplicate]

I am still learning chess (been playing ~6 months steadily now and am at ~1300) and have recently been enjoying correspondence chess with a 3 day time control. I find it gives me time to really ...
5
votes
2answers
1k views

Why does Lichess mark this move as “?!”?

I was looking at this game on Lichess, where it says "Checkmate is now unavoidable. Best move was Kc4." As far as I can tell, checkmate was already unavoidable, including after Kc4. Namely, Black can ...
7
votes
2answers
2k views

Are there attempts at creating practical endgame tablebases?

As I understand it, 8-piece endgame tablebases have been in development for many years. The big issue is the sheer number of positions that are possible. Are there any attempts at making a "practical"...
6
votes
2answers
465 views

1700 rated games-On mistakes and how to correct them

What are some typical mistakes in 1700 rated games on Lichess, and what ways are there to correct them? I usually play blitz and bullet games. Occasionally I play. OVB and longer formats.
4
votes
1answer
161 views

What sort of strategies unfold on this elongated board?

I recently found this incredibly elongated chess board on the /r/gaming subreddit, with this image: There was a comment thread discussing the potential strategies of playing on this board, with some ...
2
votes
1answer
40 views

Ideas and tactics behind the 4.h4 (or 5.h4) attack vs. the Gruenfeld?

What are the main ideas and tactical themes behind the early h2-h4 attack vs. the Gruenfeld? I mean, the 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.h4 (or 4.Nf3 Bg7 5.h4, which seems to me a fairly related line) ...
3
votes
1answer
40 views

Move orders in the 6.Qc2 Anti-Meran Semi-Slav

After 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.e3 Nbd7 6.Qc2 Bd6 White can play the so-called Shabalov-Shirov Gambit‎ with 7.g4!? on the grounds that 7...Nxg4 allows 8.Rg1 and the important g7 Pawn is ...
4
votes
3answers
114 views

The Sicilian Defense Kalashnikov Variation: Why shouldn’t white play 5.Nxc6 here?

I get a lot of weaker players, who opt out of main lines, and they play 5.Nxc6?! against me. It has seemed to happen a lot lately. Why is that bad, and why shouldn’t white play that? Note: This is ...
2
votes
2answers
96 views

Lc0 weights file

On Windows 10 I have installed the latest versions of Arena (v3.5.1) and the Lc0 engine (v0.23.1). However I have only found one weights.pb file that it will accept. The one in the link in this Q&...
8
votes
3answers
2k views

Stockfish: What is the maximum (minimum) centipawn score that a position might be evaluated at?

With the exception of checkmate and mate-in-x positions, what is the highest centipawn score that a chess position might obtain upon Stockfish evaluation? This is a practical question because there ...
3
votes
1answer
55 views

A script that can create a chess tree from an EPD file

Is there any script (any language) that can make a chess tree from an EPD file? Or what algorithm (any example) should be use to create it on my own? I am looking for one like the Chessbase opening ...
8
votes
4answers
1k views

Why doesn't white take after 8..c5 in the Grünfeld, Spassky variation?

I was looking through the titular variation and am confused why there are no master games with 9.dxc5. Is it simply because white doesn't want to give up the central pawn, even if they can gain a ...
4
votes
2answers
105 views

How would the evaluation of the engine suggested endgame in the Anand vs Carlsen game be determined?

In round 7 of the Tata Steel Masters 2020, there was a game between Anand and Carlsen. Anand had the upper hand out of the opening but they drew on move 54. Instead, Anand missed 54.Rb4! Nxc7 55. Rc4 ...
7
votes
2answers
530 views

Term for sacrifice that causes opponent to block an escape square?

A decoy or deflection typically lure an opponent's piece away from a square. What is it called when you sacrifice in order to lure/force an opponent to a certain square in order to prevent another ...
3
votes
0answers
65 views

Full “reverse checkers” position in GM game with 12 or more pieces per player?

In yesterday's Tata Steel tournament in this game between Dubov and Artemiev this position was reached: [title "Dubov - Artemiev Tata Steel 2020"] [fen "r1r5/1p1q1pk1/2n1p1p1/2RpP2p/p2P3P/P1Q3P1/...
2
votes
1answer
76 views

Why isn’t Black forced to prevent e4 in this Queen’s Indian Game?

Today, I played this game in which I played the Queen’s Indian Defense. This position was reached: I played Be7, which is a correct move. I wonder however, why Black isn’t forced to play Bb7 in ...
2
votes
1answer
40 views

Compile StockFish optimized for arm64-v8a

I cloned StockFish from GitHub and did a make inside the src folder and found that supported archs are: x86-64-bmi2 > x86 64-bit with pext support (also enables SSE4) x86-64-modern ...
11
votes
1answer
3k views

Who did Kasparov call a talented amateur?

I heard that Kasparov called some strong player a talented amateur? Who was that? Thanks.
5
votes
2answers
122 views

How do you deal with you losing your concentration

How do you do deal, with losing your concentration during a chess match? Then making a bad blunder? I constantly lose concentration.
11
votes
4answers
3k views

When a game is cut short and the winner is determined by material, do points still count if they're from promoted pawns?

At my school, we play with a time limit, and the winner is decided based on points (for example, a pawn is 1, a rook 5, a knight 3). Let's say my queen is taken by my opponent, scoring 9 points. If I ...
1
vote
2answers
66 views

How to install chess.pgn on python?

I don't know how to import chess.pgn on Python. I searched everywhere, but I didn't find anything. Can anybody here help me?
3
votes
3answers
149 views

About castling “fights”

Today I played as White in an interesting bullet game in which a strange “fight” occurred. [FEN ""] 1. d4 e6 2. Nf3 b6 3. e4 Bb7 4. Bd3 g6 5. Be3 Bg7 6. Nc3 Qe7 7. Qd2 Nc6 8. a3 a5 9. h3 h5 10. Qe2 ...
3
votes
2answers
105 views

Angle of view of the board

I noticed that when I play online I play much better than when I play facing a chess board. I suspect this is due to my table being tall so my angle of view isn't the best one. So I was wondering if ...
2
votes
2answers
124 views

Is my positional pawn sacrifice justified?

Today I have played a game and the following position was reached: [fen "rn1qk2r/p4ppp/1p2bb2/1Q1pp3/8/3P2P1/PP2PPBP/RN2K1NR b - - 0 1"] 1... Nd7 2. Bxd5 a6 3. Qb3 Nc5 4. Bc6+ Ke7 5.Qa3 Rc8 6. Bg2 ...
11
votes
1answer
269 views

How are online tactic exercises ratings calculated?

There are several sites that give you a tactics rating changing while you solve or fail the exercises. How do they calculate the problems rating? Do they use engines to calculate the difficulty or ...
3
votes
1answer
80 views

Minimax check(mate) detection

in my minimax function I have a first few lines looking something like this: children = board.get_all_possible_moves(board) if depth = 0 or board.is_check_mate or board.is_draw: return None, ...
14
votes
3answers
2k views

Why is 1. Nf3 not nearly as popular as 1.e4 and 1.d4?

The opening move 1. Nf3 is considered as a perfectly sound opening and it is popular, but not nearly as popular as 1.e4 and 1.d4. Here are my thoughts about this: In most openings, white will make ...
21
votes
3answers
2k views

What is black’s compensation in the main line of the Caro Kann?

After move 10 in the main line of Caro Kann, black has already moved its light-squared bishop four times, while white manages to develop quite a bit. What exactly is blacks compensation for the lack ...
10
votes
2answers
3k views

Is it bad form to go for a lengthy but losing endgame that you suspect will be winning on time? [duplicate]

In blitz games, I sometimes have to choose between sharper positions that I suspect will put me at some slight positional advantage and positions easily played by my side but difficult for my opponent ...
3
votes
1answer
52 views

Equation for Handicap

Are there any sort of equations for how much of a handicap one should receive to make a game between two players with differing Elo ratings as balanced as possible? There might be a time equation to ...
4
votes
1answer
205 views

Tactics in Firouzja's game round 3

In round 3, Firouzja and Artemiev played a very interesting Caro-Kann game, with white constantly trying to open up the position even at the cost of pawns, in order to exploit black's exposed king ...
30
votes
11answers
9k views

What should I do when I have no ideas and no strategies?

I'm really a beginner in chess, and I just know the rules. So many times in the game I have no idea what should I do. None of my pieces are in danger and I don't have any strategies. What should I do ...
7
votes
2answers
203 views

Firouzja vs Kovalev: what went wrong for black in the opening?

In the first round of the ongoing Wijk aan zee Masters tournament, Firouzja won vs Kovalev. Apparently, right out of the opening white had gained a winning edge. In particular, somewhere around 16......
5
votes
1answer
167 views

During the 1984-1985 Karpov-Kasparov match, what was Karpov's initial weight?

When discussing whether chess is a sport, I have often used that Karpov lost a reported 22 pounds (10 kg.) during the match as a point to show that chess can be physical. While 22 pounds is ...
5
votes
3answers
2k views

Elo rating and fide rating

I am an amatuer chess player and I want to know the difference between Elo rating and FIDE rating (for example, a 2500 Elo rating is needed for GM title).
2
votes
2answers
1k views

Failing to understand how to start Popeye

I am trying to run the chess solving program Popeye, but I am currently failing on how to actually start the program. I am using Windows for this. There is an English guide, and, as I far as I can ...
4
votes
1answer
178 views

Advice for breaking Lichess's 2000 rating mark

Although I have known the rules of chess since I was little, I only actually started playing it in May or June 2019, so about 6 or 7 months ago. When I started I had a Lichess classical rating of ...

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