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38
votes
8answers
9k views

What are pros and cons around banning castling?

Vladimir Kramnik has proposed on chess.com that castling be banned for the good of the game. What are the kinds of objective points that might be made for & against this idea? Based on these, do ...
7
votes
3answers
264 views

Useful solving composed mate-in-2 problems?

I'm solving mate-in-2 puzzles from the Polgar 5334 problems book. Many of these are composed problems, and are hard (for me) to solve. Often I have to spend 10-15 minutes before finding the solution....
5
votes
2answers
224 views

Playing d5 in the Pirc defense

Two days ago, I played, a game as Black and after the analysis I was quite surprised to see that the computer suggested, in several moves throughtout the game, the move d5. In this position I think ...
9
votes
2answers
302 views

Weakening g4 move

I would like to know the reason behind the very weakening move g4 recommended by Stockfish in this position:
3
votes
3answers
177 views

File format/interface for home-brew engines (and implementation in lichess)

I'm a hobbyist chess programmer. I've built a few engines from scratch, had lots of fun, and am generally pretty proud of what I've made (I estimate ~1400-1500 though it's hard to tell). I was very ...
3
votes
0answers
23 views

Human assisted handicapped engine against engine, adjustable parameters

I am looking for software preferably local interface on windows, to play human+engine against engine with access to search parameters such as depth and "greed" or dismissal factor (controlling ...
8
votes
1answer
1k views

Which titled players (IM or GM) have also been successful politicians?

Garry Kasparov has been an unsuccessful politician and there have been several successful politicians who have also been quite good chess players, but have any of them achieved the IM or GM title? ...
3
votes
1answer
44 views

Possible game result combinations in a FIDE tournament report file

I am currently working on a small side project and want to write a chess tournament manager in Haskell. To properly set up the data structures I am wondering what the possible results of a chess game ...
15
votes
9answers
3k views

Could a chess engine do retro analysis?

If I took a legal chess position, to what extent could an engine work out the previous moves? [in some other board games such as Othello such game reconstruction is done easily with an engine.]
3
votes
4answers
135 views

Meeting d4-d6 from White's perspective

How do you meet d4-d6 when your opponent doesn’t play the Old Indian, and the setup is d6-Nbd7-e5, which is Pirc territory? [fen ""] 1. d4 d6 2. null Nd7 3. null e5 When this happens, can I play ...
8
votes
2answers
1k views

Which FIDE rule forbids pressing the clock before taking captured pieces off the board?

A long time ago I used to play OTB blitz chess at a chess club. We had club blitz tournaments [5 mins each with no increment because the clocks were old-school chess clocks]. I was new to blitz. I ...
9
votes
2answers
3k views

Can a player move before his opponent hits the clock?

In a reply to another question, I made an explicit presumption that under FIDE Laws, a player can move as soon as the opponent’s move has been made. But someone wondered if this was this really ...
1
vote
1answer
41 views

Is the FIDE International Organizer title required to organize high level FIDE tournaments?

The FIDE Handbook has a section called Regulations on Seminars & Title Award for Organizers where it describes what you need to do to get the FIDE International Organizer title. It says: Scope /...
4
votes
1answer
123 views

Minimax algorithm - Play with Black pieces?

Motivation: I am trying to make a basic AI agent that can play chess against an opponent. The goal is to see how good it can become through the use of machine learning later on and also learn the ...
4
votes
3answers
1k views

Pawns pushes in the center

There are some situations in chess where a pawn push in the center is the most played move, and also the one suggested by engines. However this is not done for winning material, but just for trading ...
15
votes
11answers
6k views

Chess Tournaments Without Studying Theory?

I have played chess since a very young age and my tactics are very developed in my opinion. However, I never bothered to read chess related books about opening or related theory. This often leads to ...
3
votes
1answer
65 views

Intermediate Chess Books

Does anyone have any suggestions for intermediate chess books? Tactics or endgames would be the topic that I'd mainly like to focus on!
8
votes
1answer
161 views

Who is the oldest person to become a GM via norms and hitting 2500 in rating?

Who is the oldest person to become a GM via norms and hitting 2500 in rating? In other words, the standard way that most GMs achieve the title. This would rule out any of the old masters pre-FIDE, ...
18
votes
8answers
8k views

Chess PhD topic in machine learning?

I searched this online and couldn't find sufficient answers. Is there a topic in chess that includes machine learning and would be sufficient for a PhD thesis? I was thinking of utilizing a CNN that ...
21
votes
2answers
5k views

Cheating On Lichess?

I was playing a game on Lichess the other day and all the sudden the system ended the game, awarded me the victory, and said "Cheating by White detected". How in the world could you cheat on the ...
4
votes
1answer
200 views

Longest possible game of Horde Chess

The longest possible normal game of chess has been calculated, but I want to know what the longest possible game of Horde Chess is. What makes this an interesting case is the crazy amount of pawn ...
7
votes
3answers
1k views

What happened in this game between Hong Li and Sandor Farago in the FSIM November 2018?

I downloaded a bunch of games from Kingbase which included the below game. [Event "FSIM November 2018"] [Site "Budapest HUN"] [Date "2018.11.06"] [Round "4.4"] [White "Farago, Sandor"] [Black "Li, ...
4
votes
1answer
140 views

Rook and Pawn Endgames

I want to learn more about rook and pawn endgames because they are very common. But it’s such a broad subject - where should I even begin? For example, I do know of the Philidor and Lucena positions, ...
8
votes
2answers
433 views

Caro-Kann advance variation w/ 3. c5 dxc5

I like to play the Caro-Kann as black, and in response to the advance variation play 3... c5!? This works really well for me (~1800 USCF), but as I've gotten better I'm being forced to deal with the ...
6
votes
2answers
171 views

Who has the biggest chess library?

I once had 1800 chess books before I sold off about 600 of the least-good ones and doubles (I used to buy entire collections from people, so you get some stuff you do not want). I know an IM friend ...
5
votes
2answers
526 views

What is “Chronological Order” in chess?

I have heard about "chronological order" in chess. But I don't know what it is exactly. Can someone tell me what this is?
1
vote
1answer
111 views

Games with two knight promotions in them

Games with two knight promotions are extremely rare, but a few have existed. In an article of his, Tim Krabbe stated that, about the game Zurakhov - Koblentz, "This is one in only 5 games with two ...
8
votes
3answers
1k views

Is it good to take a fianchettoed Bishop?

I have faced this fairly often in quite a few openings, but there seems to be a theme with players putting their Bishop on a square like h6, supported by a queen and attacking the fianchettoed Bishop ...
10
votes
4answers
326 views

Advance of d4 in the Ruy Lopez

I was White in this position, and Black had just played f6. [FEN "r1bqkb1r/ppppn1pp/2n2p2/1B2p3/4P3/5N2/PPPP1PPP/RNBQ1RK1 w kq - 0 1"] I played c3 to prepare a push of d4 and strike the center. ...
2
votes
2answers
72 views

Idea behind sacrifice pawn

I would like to know what compensation White gets after the pawn sacrifice 6. b4. To me, giving back the pawn just for a tempo, i.e. Bb5, does not seem to be enough.
5
votes
2answers
168 views

Carlsen vs. Nepo this morning, why didn't Nepo win the pawn?

On move 19 Carlsen played Nd5. Why didn't Nepo win the pawn with Nxd5? If Bx, then Qxb4, or if px, then Qxb4 attacks the Bc4 still and Bxa6 then Nc5 and move the rook. [FEN ""] [Event "Tata Steel ...
4
votes
2answers
65 views

When is it appropriate for the arbiter to reduce a player's time?

According to the FIDE Laws of Chess: 12.9 Options available to the arbiter concerning penalties: 12.9.1 warning, 12.9.2 increasing the remaining time of the opponent, 12.9.3 reducing ...
8
votes
1answer
689 views

How to “crack” this position?

I find this particular final position from a personal game intriguing. Even though there's a material advantage, there's no clear path to the victory. Does anyone have any good ideas on how to crack ...
1
vote
0answers
106 views

Why did Puzzle Rush stop at the second fail?

I was playing the popular Puzzle Rush game on chess.com (3-minute version), and the game stopped when I missed the second puzzle (I had 8 seconds left on the clock). The statement is "Three strikes ...
4
votes
1answer
86 views

How does the move order 1. e4 e5 2. Nc3 “rule out Philidor's Defence 2…d6”?

So I was reading "An Opening Repertoire for the Positional Player", by Gufeld and Kalinich, and found the title's assertion. And I just can't think why after "1. e4 e5 2. Nc3", d6 would be bad for ...
2
votes
1answer
151 views

When should you trade to prevent castling?

The main question I have is about a game I played. What do I need to know about how to take a piece so that my opponent's king can no longer castle? In the following game, I played Bxd2+ to do so. ...
6
votes
1answer
70 views

What's the meaning of “%evp” in a PGN comment?

Example: {[%evp 0,17,14,14,14,-25,-15,-15,7,7,55,48,48,48,472,228,802,802,804,771]} 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Bc5 5. d4 Bb6 6. Nf3 Qg4 What's the meaning of these numbers when used ...
14
votes
4answers
3k views

How to tell that this is a draw

In an endgame I played as Black, after the rooks were exchanged, the below position was reached. A funky stalemate quickly ensued. [FEN "8/5ppk/5p1p/8/3K1P2/6P1/7P/8 b - - 0 1"] [startflipped ""] 1.....
9
votes
4answers
3k views

Can black play the London system?

After 1. d4 d5 2. c4 c6 3. Nf3, Black usually plays Nf6 or e6 (which blocks his light-square bishop) and I wonder if it is possible for him to adopt the ideas from the London System and play Bf5 ...
6
votes
2answers
110 views

In Damanovic-Fischer, 1970, wasn't 66. Ke3 better?

In Damanovic-Fischer, it seems like the move played, 66. bxa4+, made it easy for Fischer. Wasn't 66. Ke3 better? [Title "Damanovic- Fischer, 1970,"] [FEN ""] [startply "130"] ...
13
votes
4answers
4k views

What happens if a player suffers a time penalty but doesn't have enough time left?

Wikipedia's article on threefold repetitions gives a story about an incorrect threefold claim by Karpov against Miles: The clause about the right to capture en passant and the right to castle is a ...
7
votes
3answers
2k views

For white - anything but a draw?

[fen "6k1/1pp1b1p1/p6p/8/6P1/P6n/1PB5/2K1B3 w - - 0 1"] I've played this out quite a few times, but no joy. Trying to get my endgame back to a reasonable level, after years not playing!!
3
votes
1answer
106 views

Can I win as black here?

In the below position, I'm playing as Black and it's my turn. [FEN "8/8/1K6/2P5/1P6/8/8/6kq b - - 0 1"] I've recently gotten back into chess, and this one is driving me crazy. I can't seem to ...
7
votes
5answers
4k views

Who are the strongest non-professional GMs?

As title above states, who are currently the strongest non-professional chess players? By this, I mean players who have a full-time job outside of chess. For example, I remember German GM Georg Meier ...
1
vote
0answers
19 views

Need Help: Chess live data api for wordpress

I am working on a project creating a chess news portal. Can anyone help with Chess live data API for WordPress? That way, I can display live results and updates automatically
11
votes
2answers
2k views

Beginner Tactics - Why Isn't This Mate?

I was playing on chesstempo and came across the following setup: [FEN "k1r4r/p6p/5p2/3Q4/1R5P/PPqn4/3N1P2/1K1R4 b - - 1 1"] With black to move. I was unable to solve this tactic - it seemed to me ...
6
votes
2answers
424 views

What is White's motivation to give up the Queen?

I received the following tactics puzzle on lichess.org. Even though, I ended up solving it correctly, I am still not clear about the move 2. Ng5, because this loses the Queen. What prevents 2. Qe2, ...
27
votes
4answers
5k views

Stalemate situation with all pieces on the board

Suppose all the pieces are on the board. Does there exist a position such that A) one of the players can't make any move (a stalemate)? B) neither player can make any move (a double stalemate)?
3
votes
1answer
246 views

Longest sequence of moves by one player with the same piece?

I suspect the following game in the European Club Champioship between David Howell and Pentala Harikrishna set a number of records. [title "Howell, David W L vs Harikrishna, Pentala"] [fen ""] 1. e4 ...
2
votes
2answers
106 views

Program that will give all available moves given the state of a board, including check

I am trying to write a program that will give out every possible move for every piece (one move deep) given the state of a board. I have already done this such that it works with everything except ...

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