Questions tagged [theory]

Theory commonly refers to the erudite study and the philosophy behind the moves in chess (like the opening or endgame theory), but this tag can also be used for questions about the theoretic study of the game itself.

Filter by
Sorted by
Tagged with
1
vote
1answer
516 views

Traxler Counterattack

I've had a few looks at the Traxler counterattack before. It seems fine for Black, but somehow the engine (Stockfish) says that White has a +2.57 advantage after Nxf7, but not much advantage after ...
17
votes
1answer
3k views

Stockfish is considering a move in a book by GM Mihail Marin as a blunder

In the book English opening volume 1 by Mihail Marin at this position [fen "3nrrk1/bppq2p1/p4p1p/2Pp4/1P1P3N/P1BQ2P1/5PKP/4RR2 w - - 2 21"] 1. Qg6 (1. Ng6) He suggests Qg6 whereas ...
1
vote
1answer
164 views

Benoni Defence Theory and Ideas [duplicate]

I have played the Benoni for a while, and I frequently play bad moves in the opening. How could I play the Benoni - Pawn Storm Variation safely?
1
vote
3answers
298 views

Why is my theoretical knowledge is not coming to any use?

For the last few months, I have been reading "How To Reassess Your Chess (I expected at least this book to work), "Simple Chess," "The Art Of Attack," some ending book, "...
6
votes
1answer
236 views

Why is the Budapest Defense considered not fully sound or even dubious? What theoretical difficulties arise for Black?

[fen ""] 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 (4. Nf3 Bc5 5. e3) (4. e4 Nxe5 5. f4) (4. e3 Nxe5 5. Nh3) White can choose from multiple setups, most common are 4. Bf4, 4. Nf3, 4. e4 or even ...
3
votes
2answers
139 views

Unable to confirm theoretical evaluation

Theory claims equality for Black in the below diagram. My engine claims White is better and demolishes the line with convincing moves. Since I have old laptop, with 2GHz dual core CPU, I was ...
2
votes
1answer
116 views

What is the idea behind this move?

I was watching Nepomniachtchi - Liren match on Chess24 Legends Day 2. After having a pretty significant advantage [+7.1 (Stockfish 11)], White [Nepo] has played g4, and according to the engine, the ...
5
votes
2answers
1k views

How to calculate the number of positions in chess?

For layman, can someone explain how you calculate the number of available positions in a chess game, and how do you get the huge number of 10^120 or 10^46?
0
votes
1answer
217 views

Checkmate without check beforehand

[Title "fucccommies-Diam0ndJake, chess.com, 7/8/2020"] [FEN ""] 1. e4 e5 2. Nf3 Nf6 3. d4 Nc6 4. d5 Nd4 5. c3 Nxf3+ 6. Qxf3 Be7 7. Bb5 O-O 8. O-O c6 9. dxc6 bxc6 10. Bc4 d5 11. ...
18
votes
11answers
8k views

What projects have been undertaken to solve chess completely?

Chess is not completely solved yet but what efforts have been undertaken to solve it? Has there been a large project like the HGP or is something like that even worth pursuing? What failed efforts ...
7
votes
4answers
1k views

Queen placement in the Dragon

[FEN ""] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.f3 O-O 8.Bc4 e6 9.O-O a6 Here is a line from a game of mine. I made the movee 10. Qd3, but my computer program says Qd2 ...
8
votes
4answers
722 views

Is this endgame drawn after the rook sacrifice?

2R5/8/8/8/4Pp1P/3k1K2/2p2P2/1r6 w - - 0 46 In this position, the engine recommends 1. Rxc2 and evaluates the position as drawn. Is there a general rule in such positions or precise calculation is ...
23
votes
10answers
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 ...
4
votes
2answers
508 views

Rossolimo 3.Bb5 vs open Sicilian against c5-Nc6 sicilian

Many chess players nowadays recommend the Rossolimo against c5-Nc6 Sicilian: [fen ""] 1. e4 c5 2. Nf3 Nc6 3. Bb5 However, I find the open sicilian to be easier to play: [fen ""] 1. e4 c5 2. Nf3 Nc6 ...
2
votes
3answers
203 views

I read that Mikhail Tal claimed to have been able to see 50 variations ahead in a game. Any thoughts on this possibility?

Mikhail Tals' books on chess. Learning/analytic chess theory. Perception and intuition in the development of strategic and tactical chess play.
3
votes
1answer
116 views

Opening preparation

I have observed that I can beat the Lichess computer at level 5 most of the time if I use the computer hint function for the first 13 moves (basically the opening). If I do not so, I end up losing 6 ...
22
votes
3answers
3k views

When moves are randomized, is there an inherent advantage to the player who goes first, or the player who goes second?

Imagine we are pitting two automated players (bots) against each other, but instead of thoughtful moves made by the players, they make completely random choices. I realize that this is not really the ...
3
votes
2answers
320 views

Confused about timing of cxd5 and dxc4 in the Queen's Gambit Declined (QGD)

Recently I've been playing the Queen's Gambit Declined as my primary response to a d4 opening by white. While analyzing past games with engines, I've realized that as the game progresses, there's a ...
4
votes
1answer
102 views

What's the best way to learn the French?

Recently, I have been very attracted to the French defense, as I feel as though it is perfect for my style. However, I am aware that the French is highly theoretical, which is why I need a good, ...
8
votes
2answers
1k views

1. e4 e6 2. d4 c5 - is this opening worth it?

While doing my spring cleaning, I came across an old book claiming to give a good opening chance for black. It's called the "Barcza-Larsen opening" and it is characterized by 2 .. c5: [fen ""] 1. e4 ...
1
vote
0answers
37 views

What is the longest amount of moves before an inevitable checkmate? [duplicate]

When most pieces are gone, inevitable checkmates often occur and are usually presented in the form x moves until checkmate. However, what is the biggest valid possibility of x. (By valid I mean that ...
4
votes
1answer
148 views

How to Create Positional Theory

I've been playing Kraton Chess, which is basically standard chess except there are 96 different possible starting positions that are similar to the standard starting position. All the rules of ...
1
vote
1answer
121 views

How should white push for advantage in the Nimzowitsh attack of the Petrov's defense?

This line of the Petrov defense can often lead to opposite side castling and the general rule for that is attacks happening on both sides of the board. However, I noticed that it's very difficult to ...
2
votes
1answer
341 views

Where are the opening trends heading at the start of the decade?

Nearly every era has its opening trends like at the beginning of the millennia the Berlin started to become the trend and so much that e4 was starting to be avoided. With the 2018 world chess ...
3
votes
1answer
265 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 ...
22
votes
2answers
6k 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 ...
6
votes
5answers
1k views

Doubt on how move as black after pawn in e5

I am still at the beginning in playing chess, and I often encounter the following situation. Consider this sequence of moves: [FEN ""] 1. e4 d5 2. e5 Presuming that I am the black player, how do ...
-1
votes
2answers
344 views

Fixed games in chess-is it real or just a conspiracy theory? If real, how bad is it?

One famous case of fixed chess games is the Keres vs. Botvinnik World Championship 1948. I ran across this example while looking for other such chess games from history. It is known that Stalin was ...
16
votes
3answers
4k 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 ...
5
votes
3answers
354 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 ...
-1
votes
1answer
672 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 ...
7
votes
3answers
1k views

Longest Sequence For Any Piece To Reach A Certain Square

What is the longest sequence of moves (by both White and Black) wherein White attempts to move one of their pieces from one square to another? Assume Black makes every move optimal towards the purpose ...
4
votes
3answers
689 views

In the Dutch Defense, why does white play b3 and Ba3?

In the Stonewall Dutch Defense, why does white play b3 and Ba3? Should I try to avoid it, or does it not matter? [fen ""] 1. Nf3 e6 2. d4 f5 3. g3 Nf6 4. Bg2 d5 5. O-O Bd6 6. b3 O-O 7. c4 c6 8. Ba3
2
votes
1answer
65 views

Analysis of a position in order to find the best move

I am trying to learn to play chess, but it is not an easy task. I am playing as much as possible and try to watch games an reading in order to learn. I am playng on Chess.com, and a lot of times I ...
2
votes
3answers
241 views

Analysis of a position of a low rated player in order to improve

I am a beginner in chess, and I am trying to learn how to play well. I am rated 800 in Chess.com, so I have a really low rating, and I am trying to improve it. I was playing a game and I have been in ...
3
votes
2answers
181 views

Improving my skills is getting harder

I am new to chess and I am playng mostly online at sites like chess.com. Now I have a rate around 800, so it is still low, but my problem is that improving my skills is getting hard. The arrival to ...
4
votes
4answers
1k views

What is the farthest away a game can be from a guaranteed checkmate?

What is the maximum number of moves away from checkmate that a player can be where checkmate is guaranteed? There are many positions that are a guaranteed win for a player if played perfectly, right? (...
2
votes
3answers
309 views

Are there any moves in the opening stage that are perfectly sound but not book moves?

In the opening stage, are there any moves that are perfectly sound but are not book moves? Here a book move, is defined in Wikipedia as follows: Opening moves that are considered standard (often ...
25
votes
8answers
15k views

Has anyone attempted to characterize chess mathematically?

From years of being student, researcher, and practitioner of chess, I feel like it possesses completeness and elegance that are found in mathematical proofs and theories. Thus, it seems only natural ...
2
votes
1answer
195 views

Anderssen's 'immortal game'

I came across Anderssen's 'immortal game': [FEN ""] 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 b5 5. Bxb5 Nf6 6. Nf3 Qh6 7. d3 Nh5 8. Nh4 Qg5 9. Nf5 c6 10. g4 Nf6 11. Rg1 cxb5 12. h4 Qg6 13. h5 Qg5 14. ...
15
votes
11answers
7k 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 ...
0
votes
2answers
132 views

Longest non-cooperative game of chess [closed]

Typical arguments for the longest possible game of chess take a form something like this. 1) Each player moves their knights back of forth 49 times 2) Each player moves one pawn forward one square ...
13
votes
5answers
2k views

Why is 1.e4 c5 2.Nf3 b6 so unpopular?

Why is the Sicilian line with 1.e4 c5 2.Nf3 b6 almost never played at any level, nor considered in books and similar? It seems logical to me, and after the usual 3.d4 cxd4 4.Nxd4 Bb7, the Bishop is ...
3
votes
5answers
335 views

When can king and pawn win against another king and pawn?

Assume such a situation: Both players (Black and White) only have two pieces, that is a King and a Pawn. They have the liberty of placing them according to their wishes on the first row of their side ...
-1
votes
1answer
172 views

What are the maximum number of pieces that can be checking a king at once [duplicate]

Was just thinking about this. It's easy to have two pieces checking the king via a discovered double check, but three is where it gets interesting. Finegold said in a video he was TDing for a game and ...
3
votes
2answers
279 views

Does White have any feasible way to break through this position?

I recently played as Black in a 1+0 blitz game on Lichess in which the below position was reached. [FEN ""] 1. e4 Nf6 2. Nc3 e6 3. d4 d5 4. e5g Nfd7 5. f4 Nb6 6. Nf3 Nc6 7. Bb5 Bd7 8. O-O g6 9. Bxc6 ...
6
votes
2answers
2k views

Pushing the e-pawn

I am having trouble understanding why the move e5 which I played in the position below is not correct according to Stockfish (6th move for White) I am not doing this move by winning a tempo, but I ...
5
votes
2answers
536 views

Conceptually, what makes the Sicilian opening sensible for black?

We all know the Sicilian as shown below, is one of the most famous and commonly employed openings in chess. But compared to the other replies, which tend to be more about fixing the center (such as e5,...
7
votes
5answers
2k views

Introduction to the Sicilian

I am trying to work on my openings and start playing the Sicilian as a response to 1. e4 but I am slightly overwhelmed by the huge amounts of resources available. I am rated around 1850 FIDE and I ...
6
votes
2answers
380 views

How is endgame theory developed?

First of all, I am explicitly not asking for a list of endgame principles, nor am I asking for resources to study endgames from. My question is: How does one develop endgame theory? The main ...

1
2
3 4 5
8