All Questions

0
votes
0answers
3 views

Why does NCM show no progress for Stockfish when each new version has to beat the previous version?

NCM plays each Stockfish dev build 20,000 times against Stockfish 7. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds. As of time of writing, one ...
1
vote
2answers
46 views

What is a, if any at all, good opening that revolves around a “crab” pawn structure?

I have often (or this one video just got it stuck in my head) heard Youtube videos (time 2:37, nothing else relevant) refer to this kind of pawn structure as a “crab” pawn structure (below, white ...
2
votes
1answer
42 views

Are today's top correspondence chess players stronger than those from 5 years ago?

On the one hand today's chess engines will stomp those from five years ago no problem, not to mention hardware improves; on the other hand, correspondence chess players emphasize that one can't just ...
1
vote
1answer
36 views

Is black in check? [duplicate]

I know this sounds like a really basic question, but I couldn't find it anywhere on the site... On the following board, is the black king actually in check (assuming it's his move)? My thoughts are ...
-1
votes
0answers
43 views

Is it bad to have doubled pawns near isolated pawns and backward pawns in any given position? [on hold]

Doubled pawns are usually bad, but are they when they are near isolated and backward pawns? Are there any reasons why this could be good? I would like to see what you can find.
4
votes
2answers
65 views

How many different knight's tours are there?

How many solutions does the Knight’s Tour puzzle have when the knight first moves from square a1, through all squares (on each square once), and return back to a1? Please give some solutions. Also, ...
-1
votes
0answers
29 views

Were there any better moves or plans then what I played? [on hold]

chess game won after 10. Bc3 by white was there any better move than f6 to stop the bishop from capturing the center pawn and by not blocking the d file for the rook. I am black in this game.
-2
votes
0answers
40 views

Why play c3 or b4 in the position? [on hold]

I feel like a better plan in the position is 1.g4 followed by g5 then after black responds with hxg5 follow that with Bxg5 then Qg2 followed by Qh3+ and then Bf6. After black replies with Bxf6 then ...
4
votes
2answers
115 views

Why is 6. a3 a mistake compared to Qa4+?

I played a game on lichess recently. Afterwards, I used the analysis feature, including the "learn from your mistakes" feature, and it said that 6. a3 by white was a mistake, with 6. Qa4+ as best. I'd ...
4
votes
1answer
66 views

Ways to notice opponent's threats during one's own move

I am currently playing in a tournament and my last game was a total disaster. Without going into details, I missed a two-move threat my opponent had in the position (I'd expect a ~1600 Elo rated ...
3
votes
1answer
39 views

Formal definition of corresponding squares

For (endgame) training purposes, I would like to write a python program (using python chess) that generates all pairs of corresponding squares in a pawn endgame. Following the definition from ...
5
votes
3answers
101 views

At what point does this mental trick stop working?

Sometimes, I'll be in a position where my opponent is threathening to do something and I cannot stop it. So, in response, I play a move that looks pretty dangerous and clever, but which I in fact have ...
2
votes
1answer
57 views

Why is the algebraic notation not just two numbers?

Instead of 'a1', why not '11'? First file, first rank. Instead of 'g6', why not '76'? Seventh file, sixth rank. And so on. Why not just use two numbers to represent the square, as opposed to 1 ...
2
votes
3answers
99 views

How do I identify strong pieces?

Depending on the situation, some pieces that are ordinarily worth the about same value (say a knight and a bishop, or two of any piece) have different practical values because one piece is stronger ...
5
votes
2answers
84 views

Does this knight and rook mating pattern have a name, or has it occurred before?

[fen "5k2/8/1R6/5r2/P7/1P4P1/6KP/5n2 b - - 0 40"] With black to move, remarkably it's mate in 2 (at first glance, it looks like black may struggle to even draw). It occurred in a recent LiChess game ...
3
votes
1answer
90 views

Is it legal to castle by tipping the rook with the king?

Nakamura castles with two hands. But I saw one of my students taking their king and "tipping" their rook towards f1. Is this USCF/FIDE legal?
5
votes
2answers
103 views

Is this the only opening that allows one side to end up with three knights?

In Queen's Gambit Declined, Albin counter-gambit, Lasker trap, black ended up with three knights, which should be rare. Here white should not capture the additional knight in the next move (8. Rxg1 ...
4
votes
1answer
82 views

My first tournament

I have recently got back into chess. I only really get to play online these days (May get the odd game OTB with the kids but I have only just started to teach them) I thought it might be a nice idea ...
22
votes
2answers
5k views

How often does castling occur in grandmaster games?

May I know how to find in all grandmaster games, what the percentage of each of the following is? Kingside castling Queenside castling Never castled by the end of the game but still has the right to ...
0
votes
1answer
59 views

How would one respond to the Sodium attack?

The Sodium attack is characterised by the move 1.Na3, tending to be followed by the fianchetto of the bishop. This opening has never been played by myself, but I seem to encounter it quite frequently ...
1
vote
1answer
41 views

What is a “dual” in chess problems, such as the Babson task?

I’ve read up on Babson tasks, and they mention that all known tasks are not perfect because they are duals. I’m not sure what this means exactly. Does it mean that the problem takes place in two parts ...
3
votes
0answers
41 views

Board editor using customized pieces and board

I'm looking for a program or website which offers to create chess diagrams using custom piece sets. I know many sites and programs that offer this but with a preset types of pieces. This is the case ...
-5
votes
0answers
46 views

How do you play chess? [closed]

I was just wondering how to play chess.
-1
votes
1answer
82 views

Is this the longest possible series of consecutive captures?

Quite simply, is this the longest possible series of consecutive captures in a legally reachable, legal game? I composed this particular party myself. [FEN "q1kr2q1/1qnqnb2/2prp3/q2pK3/2P1P3/1QNQNB2/...
-3
votes
2answers
99 views

Stockfish 9 giving erroneous reading

Sam Loyd, 1860 [fen "8/8/8/8/B6n/7p/6k1/4K3 w - - 0 1"] 1.Bd7!! h2 2.Bc6 Kg1 3.Bh1!! Kxh1 4.Kf2. (Ke1, Ba4; Kg2, Nh4, h3) says mate in 54 after 1.Bd7!! h2 2.Bc6 Kg1 3.Bh1!! Kxh1 4.Kf2. This is a ...
2
votes
0answers
76 views

An objective measure of the difference in strength between top programs and top human players in the four most popular forms of chess?

Is there an objective measure of the superiority (or otherwise) that the strongest computer programs enjoy over the strongest human players which can be compared across the four main forms of chess, ...
-1
votes
2answers
154 views

Why is it a mistake to trap this bishop?

In the below position, I played pawn from g7 to g5, trapping the white bishop. The computer didn't like that at all, and gives white a huge advantage. Instead, it wanted me to just simply develop my ...
0
votes
1answer
65 views

Is the notion of an en passant redundant? [duplicate]

The en passant move can be utilised when a pawn is offered the option of being able to capture an adjacent file’s pawn, which has advanced two ranks. However, surely the game of chess would be fine ...
1
vote
1answer
66 views

Need help with study plan

I am 1700-ish player and have too much time to play and I didn't choose a study plan. I searched on the web about it, but no one has clearly defined study plan except chess.com and their study plan is ...
-4
votes
0answers
133 views

What is the highest possible number of pinned pieces in a legal position?

Is this the highest possible number of pinned pieces in a legal position? This is the most that I can find. [FEN "3RnknR/4pnp1/3Q1Q1Q/1q1q1b2/2PNP3/rP1K1Pr1/2NBN3/1q1q1q2 b - - 0 1"] This position ...
5
votes
5answers
117 views

Studying Lost Positions

I like to study my games after I've played them. Often, I find myself identifying mistakes and moving on to play another game or study something else. I was wondering if it is worthwhile to continue ...
32
votes
11answers
7k views

How do you keep chess fun when your opponent constantly beats you?

How do you keep chess fun when the only person that wants to play against you beats you all the time? I am struggling to want to keep playing, because I get smashed all the time, and it is not fun ...
3
votes
5answers
131 views

Is learning the English Opening helpful for learning the Sicilian Defence? How about vice versa?

Is learning the opening 1. c4 e5 as white helpful in learning the opening 1. e4 c5? How about vice versa? Are the ideas behind the Sicilian Defence as black very similar to the ideas behind the ...
0
votes
5answers
244 views

Is the exchange of a rook for two minor pieces really worth it?

I recently played a game with my friend I wish I had memorized the entire game, but, unfortunately, my memory isn’t too good. In summary, I was in a really tight position, and playing as black. I had ...
4
votes
3answers
320 views

What professional game has the quickest sequence, starting from move one, to quadrupled pawns?

From what I’ve found,vaccording ot this website, http://ajedrezsinduda.blogspot.com/2012/ the shortest sequence, starting from move one in a professional chess game, to quadrupled pawns is 18 moves. ...
3
votes
1answer
62 views

What does the FIDE president do?

What is the role of the president of the International Chess Federation? What does he or she do, and what is he or she supposed to do? I have looked at sources such as Wikepedia
3
votes
1answer
42 views

Database of chess results

I'm looking for a database or a collection of the chess results of all FIDE-rated games (standard time control). The data I'm interested in is: the white player, the black player, the result and the ...
13
votes
6answers
1k views

What is the best strategy for white in this position?

1n3r2/q4pbk/3p2pp/r1pPp3/1pB1P3/1P2BP2/2PQ2PP/3R1RK1 w - - 0 1 I was white in the diagram position in an OTB game I played recently. However, I couldn't find a satisfactory plan. Playing f4 is always ...
1
vote
0answers
23 views

CB15 Quick way to create a variation of current position (not 'pressing t and re-entering the move') [closed]

Is there a quicker way in Chessbase 15 to create a variation based on the current position than pressing t and re-entering the same move?
1
vote
0answers
60 views

Is “Chess To Kids” a good name? [closed]

I am working on the English version of a Polish website for kids to learn chess. The exact literal translation into English of the Polish original name is 'chess to children'. I know that 'chess for ...
5
votes
3answers
133 views

Top players move order when playing QGD?

Why is typical move order for QGD among top grandmasters 1. d4 Nf6 2. c4 e6 3. Nf3 d5? Why does not black immediatelly go 1. ..d5? Also, why is QID via 3. ..b6 almost never played?
4
votes
2answers
123 views

What's the most efficient way to get from 2000 to 2300? [closed]

I'm a hobby chess player with a rating of about 2050 FIDE. I would like to get to 2300 in the long run, but I don't have too much time on my hands, since I'm a busy university student and I also have ...
2
votes
1answer
83 views

Longest series of mutual “!” moves

Normally I'd pester the/a computer chess forum, but I couldn't register yet... On a problem chess forum (MatPlus), the following came up. Both White and Black are on the brink of losing because the ...
5
votes
1answer
156 views

What is the longest possible sequence of double checks?

Note: My frequent edits are to either upgrade what I have found or to fix an illegal position or a flaw. It is a known record for most number of mutual checks in a row. This made me wonder what the ...
4
votes
1answer
64 views

Combining AlphaZero methods with Stockfish methods [closed]

NOTE: I asked a similar question at the ai stackexchange, but didn't get any satisfying answers, so I will post an updated version of the question here, to see if someone with more of a chess ...
2
votes
1answer
64 views

Difference in Tactics Ratings

I have a Chess.com tactics rating (default blitz setting where time to solve is instrumental in getting points) hovering around 1750 but for some reason I can't get beyond 1550 on the Chess Tempo's ...
-4
votes
1answer
74 views

What’s the total number of KNN vs K checkmate positions?

EDIT: What’s with all the downvotes people? I accept criticism, but I feel that someone needs to at least a say a little bit of why. What’s the total number of KNN vs. K checkmate positions? I ...
3
votes
2answers
238 views

Is there a name for fork-protected pieces?

Sometimes the reason a piece should not be captured isn’t the recapture, but rather the threat of a fork because the capturing piece would find itself in just the wrong spot. The 1926 game between ...
0
votes
1answer
103 views

An Interesting Idea: Pinned Pieces Stalemate

I had an idea for a type of stalemate: One side cannot move at all because the king is trapped and all of that side’s pieces and pawns are pinned. This means that that side has no legal moves, and ...
1
vote
3answers
99 views

Why is 3. Nc3 played in mainline of the Modern Defense?

After 1. e4 g6 2. d4 Bg7, by far the most common third move is 3. Nc3. This goes against the principle of not blocking the c pawn with the knight as white, now of course principles can be broken but I ...

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