Theory is the erudite study and the philosophy behind the moves in chess.

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What is the smallest possible size of Nalimov endtables?

I have recently found the following place, where I can find the outcome for any 6-piece endgame with Nalimov endtables. I was surprised to see this, because I have recently read that set of tables ...
2
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2answers
163 views

Second Troitzky line, where knight and pawn could be located?

I am trying to understand where the pieces should be located for the second Troitzky line (checkmate 2 knights vs a pawn in 50 moves limit) and fail to get it. So from wikipedia: Black's pawn is ...
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3answers
206 views

Who is the winner between two powerful computer opponents?

If we suppose to have 2 powerful computer, that are able to calculate all moves in some seconds, who will win, the black or the white? Or the game will always be draw? (let say we have a unlimited ...
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1answer
1k views

Is there an easy way to detect draw in King + Pawn vs King endgame?

I know the basics of opposition, but I am struggling to evaluate position for drawness in King + Pawn VS King endgame. A lot of time it is useful to know whether you should make an exchange. For ...
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104 views

In the Delayed Open Catalan, after 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Ne5 c5 8. dxc5 Bxc5, which move should I play?

In the Delayed Open Catalan, after 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Ne5 c5 8. dxc5 Bxc5, we reach this position: [Title "White to move"] [fen ...
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2answers
84 views

Is there a comprehensive coverage for Lasker variation of the Scandinavian defense?

Recently I was trying to improve Scandinavian defense in a way that I can reach "Viking" setup ( ...0-0-0 + ...Nc6 + ...Bg4 vs d4 ). I am trying out various move orders, and have stumbled upon one ...
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1answer
195 views

Can Black successfully finish this opening?

I am trying to revive old line in the Scandinavian defense. Among the many lines I am analyzing, there is one position that looks promising. I will leave out the lines / opening moves, to keep the ...
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97 views

Is 1. Nf3 Nf6 2. c4 e6 3. g3 b6 a QID even though White hasn't played d4 yet? What would you recommend me against it?

I first thought that starting with 1. Nf3 would avoid the QID. But after thinking about it, this is only true if White plays 1. Nf3 Nf6 2. c4 e6 3. Nc3 The move 3. Nc3 seems really cool since this ...
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1answer
100 views

In the books Wojo's Weapons, why was Wojo occasionally known to say “I'm too lazy!” when asked why he didn't play 1. d4 instead of 1. Nf3?

In Wojo's Weapons: Winning With White (Volume 1) by Jonathan Hilton and Dean Ippolito, it is written: Wojo's move order to reach any opening position almost always started with 1. Nf3 and then ...
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125 views

For White, which variation of the Queen's Gambit Declined tends to lead to the most solid, positional, slow, closed, quiet and strategic positions?

I am a 1750 Elo player with a very positional, quiet and strategic style of play. I would like to know which variation I should play when, as White, I face the Queen's Gambit Declined. The variation ...
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1answer
102 views

In the Caro-Kann Panov-Botvinnik Attack which move tends to lead to the most solid, positional, slow, closed, and quiet positions: 5… e6, Nc6 or g6?

In the Caro-Kann Panov-Botvinnik Attack, after 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3, which move tends to lead (on average) to the most solid, positional, slow, closed, quiet and strategic ...
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342 views

What is the worst possible first move for White: 1.f3 or 1.g4?

After making my engines evaluate the starting position for more than 10 hours each, here is what I got: . Fritz 12: Depth = 25/65 Time = 10 hours and 30 minutes 1.f3 : -0.90 1.g4 : -0.77 1.Nh3 ...
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316 views

Is this rook endgame won for white?

In Dvoretsky's Endgame Manual, 2nd Edition from 2006 the following important practical rook endgame with a distant passed pawn is analysed. The whole analysis (of the same position with white to move ...
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2answers
139 views

What are books about the French Defence which feature a Black repertoire that tends to lead to solid/positional/closed/slow/quiet/strategic positions?

I am a 1750 Elo player with a very positional, quiet and strategic style of play. I am looking for one or more books about the French Defence which fits these 3 conditions: It must offer a complete ...
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3answers
127 views

For White, which variation of the King's Indian Defence tends to lead to the most solid, positional, slow, strategic, quiet and closed positions?

I am a 1750 Elo player with a very positional, quiet and strategic style of play. I would like to know which variation I should play when, as White, I face the King's Indian Defence: 1...Nf6 2...g6 ...
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1answer
138 views

Best Continuation for this Counter to Queen's Gambit Accepted

[Title "White to move"] [fen ""] 1.d4 d5 2.c4 dxc4 3.e3 e5 I've tried just taking the pawn at c4, but he takes my pawn at d4 and after exchanging some pieces I end with a broken pawn structure ...
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2answers
90 views

Can Black equalize?

I am working hard on improving certain line, and no matter how much I try I get no headway. I am forced to delve into risky lines, so I am asking for help to determine if Black can equalize in the ...
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2answers
102 views

In the Queen's Gambit Declined, after 1. d4 d5 2. c4 e6, what is the difference between playing 3. Nc3 and 3. Nf3?

Here are Chessbase's statistics after 1. d4 d5 2. c4 e6 : Nc3 - N=116,000 - W=58.2% - Av=2152 - Perf=2176 Nf3 - N=54,000 - W=60.3% - Av=2239 - Perf=2264 . N = The number of games played W = ...
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190 views

Can Black defend in this difficult position?

Can Black reach solid and defensible position in the below diagram? I understand that Black will have to apply "equalize over time" method, so to help posters keep the analysis brief, I am interested ...
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1answer
132 views

High quality resource for Exchanged Slav defense?

I am preparing the Semi-Slav defense with David Vigorito-Play the Semi-Slav ( Quality Chess, 2008 ). The exchange line is covered well, but recently GMs try to steer clear from dull ...Bf5 lines and ...
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3answers
374 views

Can Black reach full equality in this game?

I have played this game as Black against computer( difficulty was set to HARD ). I was trying to test Alatortsev line I found in ECO D, 1987 that claimed Black was equal: [Title "Taken from ECO D ( ...
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238 views

Starting positions in Chess960 where black is definitely worse

In article in wiki about chess960, it is stated that: It has been argued that two games should be played from each starting position, with players alternating as White and Black, since some ...
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158 views

What is the best move in this situation?

This is my first post to chess.SE so I appreciate any guidance on how to frame my questions from now on. Here is my question: I want to know what is the best move in this sitiation: 1.e4 c5 2.d4 e6 ...
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1answer
166 views

Are there “pure brute force” engines? [closed]

Is there a chess engine that just goes for brute force search, looking for a forced mating sequence + material advantage in a couple of moves? This would especially be interesting to "prove" some ...
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2answers
605 views

How I could defend/attack in this situation?

How I could defend/attack in this situation? I feel that I'm in a big trouble. [FEN ""] 1.d4 Nf6 2.e4 Nxe4 3.Bc4 Nxf2 4.Kxf2 d5 5.Bxd5 Qxd5 6.Ke1 e5 7.dxe5 Qxe5+ 8.Qe2 Bb4+ 9.c3 Nc6 ...
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3answers
532 views

How to Break Through His “Great Wall of China”?

It's my move (white). I have no idea what to do. I feel like I'm going to get squashed to death. What would be my best move or strategy in situations like these? [fen ...
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693 views

How did I still lose with 1 piece advantage?

Throughout the game, I thought I had a positional and piece advantage, but I STILL LOST! What did I do wrong? (using Ruy Lopez btw) [FEN ""] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 a6 5. Bxc6 ...
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274 views

Where I can start to learn?

About 8 months I have a pretty interest for the chess, but I was looking for Where I can start to learn? becouse I feel confused When I search in google, I got a lot of info articles, books or videos ...
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2answers
170 views

I need to get rid of Black's light-square Bishop

I've self-taught myself Chess, and played against computers (as in the board shaped ones) and I quite quickly found an opening that isn't strong, but it is not bad. I'm fairly new at this "Algebraic ...
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4answers
2k views

Which notable players in chess history successfully used dubious openings?

I am reminded of a famous game between Karpov and Tony Miles where Miles played 1...a6 against Karpov's 1. e4 and still won the game. [FEN "rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR b KQkq ...
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1answer
167 views

B50: Sicilian Defense 3. Bc4

First a bit of background: I really like playing the Sicilian Defense as Black and it is my preferred choice of action against 1. e4. I prefer the Open Sicilian with Dragon and Najdorf being my ...
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1answer
221 views

Kramnik - Karjakin in the FIDE Candidates 2014, was 8…f5 correct?

In the game between Kramnik and Karjakin shown below, the opening was a bit strange and the resulting position was odd. I am wondering, was 8...f5 correct? Was it a novelty of sorts or when did the ...
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453 views

What are the first moves chosen (White), by brute force chess engines?

Title says it all. Feel free to add comment, theory, or explanation. Just to clarify, this is only regarding turn 1 of White, and no proceeding turns after it.
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Did Aronian make a mistake in the opening against Anand in round 1 of the FIDE Candidates 2014?

Here is the game [Event "FIDE Candidates 2014"] [Site "Khanty-Mansiysk RUS"] [Date "2014.03.13"] [Round "1.3"] [White "Anand, Viswanathan"] [Black "Aronian, Levon"] [Result "1-0"] [WhiteElo "2770"] ...
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2answers
408 views

Has the King's Indian Defense been refuted at the Grandmaster level?

I know about b4 in the bayonet and the Kramnik-Kasparov games of course. I also know that Mr. Radjabov has been unhealthy (hope he gets better soon) lately. Thanks in advance, your site is awesome, ...
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1answer
230 views

Caro-Kann, Smyslov variation : Can Black punish early 5.c4 in this position?

Recently I have posted a question about declining the Marshall gambit in the QGD, and asked if Black can transpose into another solid opening, as one way of defense. After analyzing the first ...
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1answer
180 views

Queen's Gambit Declined: Alatortsev variation, is there a high quality resource covering this line?

I am working on my opening repertoire, and I need ways to dodge the Exchange variation of the Queen's Gambit Declined with Nge2. Many masters use the Alatortsev variation to do this. After the ...
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1answer
132 views

openings for white which don't involve a central pawn push

It appears that black has more choices with regard to openings rather than white. While white would typically start with either e4 or d4, or sometimes c4, black has numerous choices for each of these ...
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1answer
188 views

Pawn structure in king's indian or grünfeld

I'm trying out kings indian against d4 openings but there is one problem... I get mated. I can't defend after castling under the h7 g6 f7 pawn structure. Somehow it works as an opening with an ...
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1answer
166 views

Positional opening for Black

I have recently (two months ago) become very interested in chess, after playing it for about 10 years at a club, spending time on it only one evening per week. Previously, I did not think about my ...
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1answer
154 views

What is the best Black reply to 1. d4 in regards to getting an open game?

What is a good reply to 1.d4 that will give me an open game?
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2answers
130 views

Rauzer Attack, Sicilian defense - why not play 6…Nxd4?

I'm just learning on how to play Sicilian and none of the books I have at hand shows this move. So I consider, that this move is a mistake and there is some strong counter play on whites part, but I ...
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4answers
133 views

Push e and d pawns in semi open openings

I recently met the French defence as white which turned into the advanced version. In short, I got crushed in a humiliating way, kicked while lying and spat on. So now I am reforming and ...
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2answers
140 views

Sicilian with 1.e4 c5 2.c3 d5 3.Nf3?

I don't know much "Sicilian" theory, and decided to develop instead to defend e4. My opponent captured, and I got the pawn back with the obvious Qa4 check. Although he tried to start a queen hunt, she ...
6
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2answers
239 views

Is the pawns-only variant a draw?

In the pawns-only variant of chess, each side starts with 8 pawns and a king on the usual squares, no pieces, with other rules being the same as in regular chess, including promotion. While general ...
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2answers
302 views

Can you recommend a closed opening for black against 1.e4?

What is a good opening system for black that leads to closed play against 1.e4? E.G. - against 1.d4 I like to play the Slav & am looking into the Czech Benoni. I am looking for something similar ...
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6answers
560 views

Do any openings result in a lost game for black?

Based on this comment I'd like to know which openings, if any, are considered unplayable (i.e. lost) for black? My own understanding is that in some opening lines it's harder for black to equalise, ...
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2answers
173 views

Morphy Defence in Ruy Lopez

I don't get the point of Morphy's Defence in the Ruy Lopez opening: [FEN ""] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 If White's purpose was to exchange Bishop for Knight and take the e5 pawn after it ...
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1answer
147 views

How many materially equal positions are there?

Reading about the Shannon number, I see that there are about 1043 positions in chess, but how many of them are even? That is, materially (as an approximation). A position with one king vs 8 pawns and ...
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2answers
131 views

Why does Black play 10…a6 in the A39 variation of the English opening?

I observed that after [fen ""] 1.c4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.g3 Bg7 7.Bg2 O-O 8.O-O Nxd4 9.Qxd4 d6 10.Qd3 In many games, Black played the strange move 10...a6!? It has been ...