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4
votes
1answer
179 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 ...
11
votes
3answers
665 views

Books on opening theory organized around tactical/strategic motives, not opening lines

"Understand your openings, not just memorize lines" is a common advice given to a club level player. However, most opening books are still organized around lines, amended with some explanations that ...
26
votes
3answers
2k views

Understanding Anand's Bc4 move vs Ivanchuk 1992

In the Ivanchuk vs Anand game (1992), the game leads into an endgame after lots of exchanges, which by no means looks (to me at least) winning for black: they both have 2 rooks, 2 bishops, and black ...
2
votes
0answers
100 views

What are some of the best chess opening moves, for white and black? [closed]

I am wondering the best opening moves are for both white and black, because I have won games with the pawn move 1. d2-d4.
5
votes
2answers
389 views

Stockfish 10 working on only 1 core at a time

I am a lichess user who would like to be able to use my 8C/16T processor to the best of my ability, and yet when I start up a chess engine only one of my cores is working on stockfish the rest are ...
7
votes
2answers
165 views

I am 1400, how do I improve my positional play? [duplicate]

My lichess puzzle rating (tactics) is around 2100, while my game rating is only around 1400, so I'm pretty sure that means my positional play is utterly trash. There aren't any positional puzzles out ...
25
votes
2answers
5k views

Why wasn’t Rashid Nezhmetdinov a Grandmaster?

He won the Russian championship 5 times, so why wasn’t he a GM?
2
votes
1answer
87 views

Debugging my chess engine through the Arena GUI

I coded (with visual studio 2019 on windows 10) an ultra naive chess engine that complies with UCI engine interface rules. Before starting to develop it in more fancy ways, I want to make sure that I ...
5
votes
1answer
2k views

Was this a valid draw?

I was playing this game in-person with someone and I was white. My opponent had a pawn on a7 and kept moving his king back and forth between c6 and d6 at least 3-4 times while I maneuvered my bishop ...
1
vote
1answer
38 views

Where can I see all my friends on lichess?

I'm not sure if it's called friends or just users I am following. When I press on my profile there's a section which allows me to see the users that are following me but I'm looking for the one's I'm ...
16
votes
4answers
4k views

How to improve from ~1200?

I am not new to the game of Chess. I have been (casually) playing it for over a decade, and I would like to get better at it. I know the basic rules of the game very well, I understand basic tactics ...
2
votes
1answer
49 views

SCID vs ChessBase - play, analyse, visualization - ubuntu

Please help me or give me the correct terms to find it out. What I want is: Play chess against an engine or repeat an existing game For my current move, I want an analyser to analyse my move, and a ...
3
votes
2answers
99 views

How long does it take for Elo rating to reflect changes in player's strength?

Suppose a player with ELO rating X has improved (for simplicity, without playing in tournaments) and she is now actually playing at the level X+N. How many games will it typically take for her rating ...
4
votes
1answer
48 views

Is there a way on lichess to see the Correspondence chess rankings?

Lichess has leaderboards for every variant of chess and also every single time control of the standard variant except for Correspondence chess. Does anybody know where to see the leaderboard for ...
4
votes
2answers
111 views

Minimax with alpha-beta pruning for chess

I am creating a chess AI using the minimax method with alpha-beta pruning. I am trying to understand how the alpha-beta pruning works, but I can't get my head around it when it comes to chess where ...
6
votes
4answers
1k views

D5 move closing my bishop activity

I would like to know why playing d5 in these two positions is useful for me (Black).
2
votes
3answers
94 views

What to put in a personal chess database?

I was thinking about creating a personalized chess database for my correspondence chess play. What sorts of contents are useful to put in it and is there any big difference in having your own database ...
4
votes
1answer
70 views

How to count pieces from PGN notation?

I am trying to figure out an algorithm to extract the number of each piece that both black and white have from a PGN file. Right now I have all of the moves tokenized(i.e. c("e4", "d6", "Nc3", "f5", ...
2
votes
2answers
56 views

Old versions of FIDE laws of chess? [duplicate]

Is it possible to view or obtain old versions of the FIDE Laws of Chess? I would like to trace the history of when various rules were added or modified. The FIDE handbook only goes back as far as ...
2
votes
3answers
123 views

What is the highest value of pieces on this particular 6x6 board, without any of them attacking each other?

I got a question in school in which I have to get the highest score possible by adding pieces on a 6x6 board like this: The rules are that they are the same color and may never attack each other, and ...
4
votes
3answers
256 views

To what extent is the openness/closedness of positions determined by white? By black?

Say I am playing as white and I strongly prefer closed positions while my opponent strongly prefers open positions. To what extent do I have control over this? Will the game more likely end with a ...
6
votes
3answers
2k views

What is the opening value of 1. e4 in 2020?

Bobby Fischer: e4 -- best by test. What is the current theory or trend in theory behind this statement? We have seen huge strides taken in chess AI in the past two years. How is this affecting ...
5
votes
2answers
149 views

What level of player is Kasparov's MasterClass suited for?

I am about 1400. I was wondering if I should pay for Kasparov's MasterClass, but I am not sure if it is worth the money. Has anyone bought this?
6
votes
2answers
695 views

Does anything actually use numeric annotation glyphs (NAGs)?

Numeric Annotation Glyphs, or NAGs for short, are tokens defined by the PGN standard to allow concise annotation of moves. They consist of a dollar sign ($) followed by a number, e.g. $1 means "good ...
2
votes
4answers
1k views

What does black achieve with 1.d4 c6?

I have faced 1...c6 as a reply to my 1.d4 quite a few times recently, and this makes me wonder why people play this as oppose to 1...d5. In addition to playing the Slav with 2.c4, I have an option of ...
3
votes
1answer
90 views

DroidFish's rtb folder's file placed somewhere else

DroidFish has an rtb folder that should be used for wdl and dtz syzygy endgame tables. For the six pieces tables it represents roughly 80+60Gb and as I my phone has only 64Gb as internal memory, I ...
19
votes
11answers
7k views

Why does a knight combine better with the queen than a bishop does?

From this question, the couple queen + knight is strong in attacking the opponent's king. I searched why the knight combines better than the bishop with a queen, and all I could find, from this ...
11
votes
3answers
717 views

Why is this the solution to this puzzle?

[FEN "2r3k1/5pp1/1q1bpn1p/pB1pN3/P2P4/5R2/1P3PPP/3Q2K1 w - - 0 1"] 1. Rxf6 Qc7 2. Rf3 This is a puzzle (and its solution) I found on lichess. But I simply do not see the expected logic of this ...
10
votes
4answers
180 views

Is there a set of general rules of material sacrifice?

I happen to be playing a game where I am up in material, but my position is weak (several pieces are trapped and cannot be developed). I have some lines of very slow development I can play where I ...
4
votes
2answers
174 views

How to calculate pinned chess moves

I am writing a legal move generator, and the last piece of the puzzle is preventing pinned pieces from being moved such that the king will be in check. I have read a lot of posts here and on ...
14
votes
5answers
2k views

What is the correct hand movement to capture a piece?

I see players in international tournaments taking pieces in the following fashion: first they take off the board the piece they intend to take, and only then, with the same hand, they move their ...
11
votes
3answers
746 views

Is there some resource of non-tactical positions to practice analysing?

In point 3 of this answer RemcoGerlich implies that a good way to improve, for a class player, would be to develop the skill of “[taking] any position and [figuring] out what’s going on”. It seems to ...
4
votes
1answer
108 views

Is this checkmate?

[fen "3Q4/8/k7/5p2/q2p1Pp1/2p3P1/K1P5/3R4 w - - 0 1"] I recently started playing chess and was doing some puzzles online. It says that this move is checkmate but I don't see why white can't move to ...
-6
votes
1answer
99 views

Myths and conventional WhizDumb of the internet [closed]

What is good advice and what were myths and whizdumb of the internet that kept you from improving as much/fast as you could have? Play more games? NO! Focused training helps more than playing random ...
4
votes
2answers
53 views

Early line in english opening not in the chessbase powerbook 2019 but seen by stockfish 10 64bits under latest fritz

I am looking at 1.c4 Nf6 2.g3 d5 3.Bg2 dxc4 4.Nf3 and Chessbase's Powerbook 2019 only proposes 4...c6, 4...g6, 4...a6, 4...Nbd7, 4...Qd6 or 4...Be6 whereas Fritz 17 64bits latest update using ...
12
votes
1answer
2k views

Best chess player with Down Syndrome

Who is the best chess player with Down Syndrome? Wiki says that the mental ability of a person with Down Syndrome equals to this of a healthy person 8 or 9 years old. So, are there some players with ...
-1
votes
1answer
49 views

What are the benefits and the drawbacks of the Sicilian defense [duplicate]

I am learning to play chess, and I am focusing my attention on the Sicilian defense. Many people says is one of the best openings against e4 when playing with black, and I think also it is a good ...
10
votes
4answers
2k views

What is the technique to win and endgame R vs B + B?

[title "R vs B+B"] [fen "8/4rpkp/6p1/8/8/4BBP1/5PKP/8 w - - 0 1"] The engine says that this endgame is winning for white(+2.5). Is there a technique that could be used to win this for white. I ...
3
votes
1answer
74 views

Longest sequence before a certain capture

Inspired by a recent question, what is the longest possible sequence before White can make a certain capture? Basically, White is trying to capture a chosen piece, and Black optimally defends that ...
7
votes
1answer
882 views

What exactly happened in the Open World Blitz Championship in game Carlsen-Alireza?

In the 19th round of the World Chess Blitz Championship in Moscow, Russia, Magnus Carlsen faced Alireza Firouzja with black. Alireza lost on time while he was trying to restore a piece he dropped. It'...
3
votes
2answers
302 views

Which is better, going for checkmate, or forcing immediate resignation?

Let's say you have a position where you can win the opponent's queen in one move and you know he will resign; or you play a combination that is technically stronger since it forces mate, but it takes ...
2
votes
3answers
132 views

How to counter white's attempt to get a massive center in the Giucco Piano?

[FEN ""] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 When white plays 4. c3 and prepares to push d4 to get a massive center, how is it possible to prevent them from doing so, or at least put a lot of ...
2
votes
1answer
52 views

A position in which there is no possible checkmate [duplicate]

I saw the game Firouzja vs Carlsen in world blitz championship in which Carlsen flagged Firouzja. Carlsen won because even though he had only a bishop, there could be a possible mate position. I am ...
1
vote
3answers
549 views

How is this checkmate? I’m new to chess

I’m new to chess. How is this checkmate? [FEN ""] [Date "Dec 31 2019"] [White "User 21050 (Lvl 3 500pts)"] [Black "Computer (Level 20 3000+pts)"] 1.Nf3 a5 2.Ng5 h5 3.Nxf7 g6 4.Nxh8 g5 5.Ng6 Ra6 6....
1
vote
1answer
54 views

How to write an interface to lichess for a millenium board using chesslink?

I am aware of the python chess and chesslink mchess work but would like to attempt to interface it with lichess.org. My purpose would be to play others on lichess using my Millenium board. The API'...
17
votes
2answers
3k views

Do some chess players actively train moving the pieces on the board quickly?

Having spent the last couple of days watching the Rapid and Blitz World Championships I became, once again curious about the following subject. In some circumstances, especially in blitz games, it ...
4
votes
2answers
62 views

Is there an analysis of World Champions' games that shows the statistics of their game?

Is there an analysis of World Champion games, with the help of engines, that shows statistics like percentage of best moves played, blunders made, creative moves which computers can only see at high ...
17
votes
7answers
3k views

How can someone find their Morphy number?

The Morphy number is a measure of how closely a chess player is connected to Paul Morphy (1837–1884) by way of playing chess games. It's analogous to the Erdős Number for mathematicians. People who ...
2
votes
2answers
47 views

Are there any moves that are more popular in databases of GM games but are objectively inferior?

Usually in a particular opening position, if move A is more popular (in GM games) than move B, then either move A is objectively better than move B, or move A is equally good as move B. Are there ...
3
votes
2answers
54 views

Blindfold Chess

I'd like to approach this topic as a way to improve my visualization skills. What are the best ways to improve this skill? I have a few blindfolded games at the club level that managed to make it ...

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