All Questions

10
votes
3answers
240 views

Human-like engine for endgame training

I am doing endgame training with LucasChess (LC), but the problem is not really related to LC, but to chess engines in general. I have this problem: See picture. When I move Kh6 in this position, ...
2
votes
3answers
80 views

What are good resources for how to play against the french as white? [closed]

I have been looking all over the web for a good way to counter the french defense, but nothing really helps. If you have any suggestions please tell me.
6
votes
1answer
122 views

Would certain checkmates be possible if the king could move into check? [closed]

Similar to a previous question of mine, let's suppose there's a piece that moves like the king, but isn't restricted from moving into check. While a normal king and two knights can't force checkmate, ...
-3
votes
1answer
105 views

How come Paul Morphy has lots of weird and wonderful games? [closed]

Paul Morphy, from what I’ve seem, seems to have been a master of making weird and wonderful games, such as his famous kingside castling checkmate game. Are there any particular reasons for this?
9
votes
2answers
280 views

Is a “Strong King” handicap really as powerful as is claimed?

Wikipedia quotes an analysis by GM Harry Golombek (from Golombek’s Encyclopedia of Chess, Crown Publishers, 1977, p. 218. I do not have access to the source) where he lists possible handicaps, in ...
1
vote
2answers
224 views

Why does white sacrifice their queen in this exercise?

I was doing this exercise on lichess, but I don't see why the best move for white is to sacrifice their queen in exchange for a knight (after Nh3+): [title "lichess puzzle 61517"] [fen "4r1k1/...
1
vote
1answer
61 views

What are the pairing regulations for round-robin tournaments?

I am writing a pairing program for round-robin/double round-robin/swiss tournaments. I am looking for the rules to follow while generating the pairings. There seem to be no rules in the FIDE handbook. ...
14
votes
3answers
1k views

Understanding Kramnik's play in game 1 of Candidates 2018

The position I'm studying is the middlegame part of the game 1 of Berlin Candidates 2018 between Kramnik and Grischuk, which Kramnik won with the white pieces. In particular, I'm interested in ...
6
votes
2answers
124 views

How do opening books in engine chess work?

I thought opening books were just big compilations of opening moves that engines have access to, and they choose at random which move to play from the list of moves that the opening book says is good. ...
1
vote
1answer
150 views

What is the official record for most pawns on a file in a professional chess game (whether for one color or for both)?

Some of us have heard about the famous game with the longest surviving quadrupled pawn structure (Kovacs - Barth, Balatonbereny 1994.) But my thought is this; is 4 the record for pawns on a file, ...
0
votes
1answer
68 views

Resource for Chess Problems about particular topics

Most puzzles I find are where payout is relatively high. e.g mate in 2-3 moves, play right and get a piece etc. However, I needed a resource which gives me some puzzles/exercises about particular ...
-2
votes
1answer
80 views

Playing Ba4 in this position

Recently, I played a game and after running the computer analysis, it seems like playing 5. Ba4 was a mistake, being better Bxc6. However, I cannot find the reason why. By retreating the bishop, ...
9
votes
2answers
2k views

Why is c4 a better move in this position?

The computer analysis on a game I played tells me that in the following position, White should have played c4 instead of e5: [fen "r3qrk1/pppb1ppp/1nn1p3/6B1/3PP3/P1P2N2/4BPPP/R2Q1RK1 w - - 0 1"] ...
4
votes
2answers
216 views

Piece And Pawn Only Massacre Games

Just another theory thought of mine. I believe I have found the fastest way for each variation. Am I right or am I wrong? EDIT: Now a sub-category of Piece Massacre is open in which pawn captures are ...
15
votes
3answers
1k views

En passant for beginners

When I started playing chess, I learned many of the rules of chess on my own. I was playing chess online, and then I realised that pawns can capture in such a fashion. At first, it was weird to me. ...
1
vote
2answers
180 views

Is this the quickest way to clearing the board to two kings?

Is 21 moves the least needed to get board down to 2 kings? My findings: https://www.apronus.com/chess/pgnviewer/?m=...
13
votes
3answers
2k views

Caruana vs Carlsen game 10 (WCC) why not 18…Nxb6?

In game 10 of the Caruana-Carlsen WCC, why did Carlsen (black) not take the terribly annoying and strong dark squared bishop on b6 on move 18 when given the chance? Instead, Carlsen moved the queen ...
1
vote
1answer
114 views

Is there a faster way to do horizontal castling checkmate?

See my former question about vertical castling here. Horizontal: wherein the rook attacks down a rank. I have composed horizontal castling checkmates for both the queenside and kingside (links below....
2
votes
3answers
131 views

What is the fastest vertical castling checkmate for both the kingside and the queenside?

Vertical: wherein the rook attacks down a file. Since I like to know fast ways to do theoretical objectives in chess, I wish to know the fastest possible castling checkmate, for both queenside and ...
4
votes
1answer
244 views

Touching a captured queen — must I promote to it?

Playing a friendly game against my son (but with Touch-and-Move in force), I was going to promote a pawn to a queen, so I fished out my queen from among the captured pieces, and placed it on the ...
4
votes
3answers
263 views

Solvable studies that computers fail to crack

Are there chess studies that require an outside of the box thinking that goes beyond the concrete calculation capabilities of today's engines (e.g. Stockfish)? I have sometimes seen certain endgames ...
2
votes
2answers
99 views

Rated Tournaments in France - For a Poor French Speaker

My wife and I are relocating to France this year. As a very poor French speaker, I was wondering how I would cope with entering rated tournaments in France. Any advice from a native English speaker? ...
2
votes
2answers
126 views

What should be defined as an en passant checkmate?

Is there a general consensus amongst top chess players, composers, analyzists, and organizations, such as FIDE, for what exactly defines an en passant checkmate? Is there any history for it? As far ...
2
votes
1answer
153 views

What's the point of attack board inversion?

In tri-dimensional chess some rule sets allow for the attack board to be moved from the peg on top of the main board to the peg on the underside (as long as the attack board is unoccupied). What is ...
-2
votes
1answer
49 views

Are there some rules on when you should resign, vs when you stick with it should fight? [duplicate]

Are there any hard-fast rules for when you should resign a game or when you should fight for it? For instance, in timed games I've realized if they are destroying me, but running out of time to do it (...
-5
votes
2answers
168 views

Is 6 the limit for the most pawns possible on a single file?

As far as I can calculate, 6 is the limit for the most number of pawns on a single file possible. Is 7 possible at all, ignoring promotion? I only took into account using the edge of the board, not ...
7
votes
3answers
1k views

What is the draw frequency for 3 consecutive games (same players; amateur level)?

In Mr. Robot (TV series) episode "eps2.2_init_1.asec", Elliot and Mr. Robot drew 3 consecutive chess games. They remark it's impossible. The odds of that are Impossible. As far as TV shows go, Mr. ...
4
votes
3answers
196 views

On the board: white king vs. black king with knight and rook. Could checkmate be done without the black king’s help?

Just something I randomly came up with. Sorry if it is a duplicate.
3
votes
2answers
812 views

What's the winning box for the King in a Queen against 7th rank Bishop-pawn endgame?

In a Queen vs Pawn endgame where the pawn is a Rook pawn on the 7th rank, it is a draw unless the King is inside the winning box, as shown here: My question is what is that winning box if the pawn is ...
5
votes
3answers
182 views

Poor gambit for white

I was white and played this against a 1589 rated player on Lichess. The gambit happens at move 10 and it is characterized as a blunder by stockfish analysis. However, black does some inaccuracies and ...
-1
votes
1answer
49 views

Chess FEN winner

I'm new to Chess FEN notation and I'm making an online chess game, but I have one problem, I need to check after every new move if there is a winner and which one is a winner. Can I extract that ...
0
votes
1answer
27 views

How do I register for a tournament that appears in the FIDE website but not on chess-results?

Here is this tournament on the FIDE website. However, there are no contact details, no venue mentioned and the tournament does not appear in the chess-results database. How do I register for such a ...
2
votes
2answers
126 views

Which countries are easiest to gain rating points and earn FIDE titles in?

I recently played in a tournament in Iran (Fajr Cup, u2000), where 1600-rated players were a serious threat, and 1400-rated players would fight to the last pawn. I don't think a single opponent of ...
4
votes
4answers
133 views

In the opening stage, can we determine that one move is better than another by looking at winning percentage?

After 1.c4 Nf6 2. Nc3 g6, thousands of games have been played with the following two moves of white: 3.g3 and 3.e4. It seems that the winning percentage suggested that 3.e4 is clearly better than 3....
2
votes
2answers
84 views

Setting up the knights [closed]

When playing chess on a physical board, which way should the knights face? Sideways (as in chess diagrams) or straight ahead? If there is nothing in the rules about this, how do the professionals ...
4
votes
2answers
495 views

What did I blunder at move 23?

I played a game recently on chess.com, where the most detailed analysis identified a single blunder in the game -- 23. d6 The analysis given by the computer suggested that 23 Qd1 was better, with the ...
-1
votes
1answer
96 views

What is the quickest checkmate for the rook, horse, bishop, and pawn, i.e where said piece delivers the checkmate on the final move?

NOTE: This is asking for 4 separate answers to be clear, all rolled into one. It does not matter how the mate is achieved, just so long as said piece/pawn asked for does the actual mating. The Queen ...
2
votes
2answers
100 views

Where is the neural network used in MCTS?

Where does an engine (such as AlphaZero) use its neural network in MCTS? It shouldn't be needed to evaluate positions reached via MCTS, since I'm under the impression that only terminal game states ...
1
vote
2answers
92 views

Rook and Bishop VS opposite Bishop

I drew a game with rook and bishop vs opposite color bishop (50-move rule). Is this a theoretical draw? If not, what is the technique to win?
4
votes
1answer
115 views

Why didn't Spassky play 26. g3 in game 5 of Fischer-Spassky (1972)?

Fischer's play was powerful in this Nimzo-Indian, achieving a strong knight against two bishops in a closed position. The knight became a monster on f4. But why did Spassky let the knight reach f4? ...
1
vote
2answers
99 views

How good of a tactical player is Magnus? [closed]

Everyone knows the amazing positional ability and endgame ability of Magnus Carlsen, but how is his tactical skills. I have heard someone say tactics are not his specialty? is this accurate
4
votes
3answers
282 views

Not Developing a Piece in the First Five Moves

Here are the first few moves: 1.c4 e5 2.Nc3 Bb4 3.Nd5 Bc5 4.Nf3 e4 5.d4 Bf8 After the fifth move, black has essentially only pushed one pawn, while while has developed two knights and his c-pawn ...
3
votes
2answers
202 views

Not in stalemate, but why is this a draw?

I was practicing with stockfish level 8, having two rooks in the endgame whereas stockfish has only one. At the 78th move, it was declared as a draw. But, it was not a stalemate. Can anyone please ...
7
votes
2answers
166 views

What is the purpose of 12.a3 in the QGD Lasker Defence?

this is about queen gambit declined lasker defence : [fen ""] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Rc1 Nxc3 10. Rxc3 c6 11. Qc2 Nd7 12. a3 why or ...
3
votes
1answer
58 views

Bonus added at move zero

Is the bonus time added before the game starts, that is before the first move? I play in a competition that has a time control of 1 hour 40 minutes +30 seconds per move. If I set the chess clock to ...
2
votes
2answers
47 views

Does 40/100, SD/30 d10 mean that the delay is applied to both time controls?

I am going to be going to my first tournament soon (the southern class championship), and am slightly confused about the time control. Most tournament listings have something along the lines of 40/...
0
votes
1answer
73 views

Any suggested check list for beginners? [closed]

is there a simple / basic / quick checklist that beginners can use when in super easy games? I am not worried about questions like pawn structure, applying pressure, maintaining momentum, I am talking ...
11
votes
2answers
927 views

Touch-move when move is illegal but opponent's piece can be captured by another piece

This is the scenario: I pick up my Knight to capture my opponent's Bishop (touching the Bishop). I then realise my Knight was pinned to my King in the first place, so moving it would be illegal. ...
11
votes
2answers
315 views

Why does NN + MCTS & AB + handwritten eval dominate engine chess?

As I understand it engines can be divided into four groups right now: those that use Alpha-beta (AB) + those that use Monte Carlo Tree Search (MCTS) for search, and those that use handwritten ...
20
votes
1answer
7k views

Is there a specific penalty for intentionally damaging chess pieces or the board?

If a player intentionally damages a chess set (e.g. breaks a piece in two, cracks the board, etc.), is there a specific penalty under FIDE rules? I'm not talking about moving pieces around ...

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