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votes
1answer
26 views

Why does stockfish suggest h4 here?

Analyzing my latest game on chess.com, stockfish says that h4 is the best move here: I followed the line but I failed to understand the reasoning of this move. Is it for some long-term advantage? ...
-2
votes
0answers
28 views

[FEN "4k3/7p/5p2/8/P2rr3/5N2/6PP/4R1K1 w - - 0 1"] [closed]

Set the alignment of a table column by placing a : on the left, right, or both sides of a separator in the separator line left center right One Two Three
0
votes
3answers
113 views

Why doesn't greek gift work in Pozsonyi vs Pataki 2005? Or does it?

original game. i'm asking about move 21. [Event "Ch Hungary (team) 2005/06"] [Site "HUN"] [Date "2005.12.04"] [Round "?"] [White "Istvan Pozsonyi"] [...
1
vote
1answer
68 views

Magic bitboards not speeding up my engine

I'm new to writing chess engines but just recently finished my first program. It ran slowly however so I switched over to bitboards, and now to magic bitboards. I used the chess programming wiki a lot....
4
votes
1answer
1k views

Is there a resource for chess puzzles that are altered just enough to discourage easy engine use to solve?

I'm hosting a chess night and would like to post a few wallchart puzzles but would like to discourage folks from secretly whipping out their phone's chess app/engine and scoring points unfairly. For ...
3
votes
0answers
110 views

Opening and endgame experts in chess

There are famous players who are called endgame experts ("opening expert" IMHO is less used), e.g. Rubinstein. Now obviously, to be a GM, you have to know a bit of all game phases, and a ...
4
votes
1answer
183 views

Does the opening 1. a4 a5 improve White's position? (a bit silly)

Thou shalt not play chess in your sleep as it happened to me this night, Corona caused deprival symptoms or not. Already arriving with German Bahn was a nightmare (now that was realistic), but somehow ...
23
votes
3answers
5k views

Running out of time before playing a forced move that would draw the game

What happens if a player runs out of time before playing a forced move that would end in a draw? I suspect it is a loss, but it would be fair to be a draw. 7K/6P1/8/8/8/8/1k4p1/8 b - - 0 1 1... g1=Q ...
1
vote
0answers
49 views

Clear Stockfish hash table after every move conveniently

When analyzing a game with Stockfish I sometimes find it confusing that evaluation of a given position changes depending on what positions I had analyzed previously. I understand that this is because ...
2
votes
0answers
47 views

Chess books that don't require a board [duplicate]

I am looking for some chess books suggestions that can be read without the need for a board, so I can read them during my commute time. I am a ~1900 strength player, I can visualize the board, but not ...
-5
votes
0answers
41 views

List of records for youngest CMs (candidate masters) since 1950 (or 2014 or whatever)? [duplicate]

On Wiki, we have a list for List of youngest grandmasters since 1950. What about CMs (candidate masters) instead of GMs? Youngest CMs: List of records for youngest CMs (candidate masters) since 1950 (...
-3
votes
0answers
54 views

List of records for youngest female CMs (candidate masters) since 1950 (or 2014 or whenever)? [duplicate]

On Wiki, we have the List of youngest grandmasters since 1950. See here answers for female GM and female IM. (female superGM is of course just judit polgar if you define super GM as 2700+.) What about ...
-3
votes
0answers
46 views

List of records for youngest WGMs (woman grandmasters) since 1950? [duplicate]

On Wiki, we have a list for List of youngest grandmasters since 1950. What about WGMs instead of GMs? Note 1: I really female WGM and not female GMs. Note 2: WCM was answered here: List of records for ...
-1
votes
0answers
32 views

List of records for youngest female FIDE masters since 1950 (or whenever the FIDE master title was 1st introduced)? [duplicate]

On Wiki, we have the List of youngest grandmasters since 1950. What about female FMs (FIDE masters) instead of GMs? Note 1: I really mean to ask about female FMs (females who obtain the open title FM) ...
-3
votes
0answers
43 views

List of records for youngest WIMs (woman international masters) since 1950? [duplicate]

Original IM version: List of records for youngest international masters since 1950? Female-only IM version: List of records for youngest female international masters since 1950? On Wiki, we have the ...
-3
votes
0answers
55 views

List of records for youngest international masters since 1950? [duplicate]

Female only version: List of records for youngest female international masters since 1950? WIM version: List of records for youngest WIMs (woman international masters) since 1950? On Wiki, we have ...
0
votes
0answers
30 views

Is it possible to convert 100 million games of .pgn into .si4? [closed]

I can't do more than 524287 games
2
votes
1answer
58 views

London system move order

The standard London System consists of the setup moves: d4, Bf4, e3, Nf3, Nbd2, c3, Bd3. I'm wondering about the nuances of what the most accurate move order is to play it in. Here are some of my ...
2
votes
1answer
214 views

What is the history of the Shanzi Wall Opening?

in a recent eric rosen video, he plays against someone who uses an opening which he calls the "shanzi wall opening". he briefly demonstrates the moves to this opening at the end, but he ...
7
votes
2answers
1k views

Has a "resignation blunder" ever been refused?

I was reading the question Has there been any blunders in resignation? and it occurred to me that a particularly good sportsman might refuse to accept an opponent's resignation if they knew the ...
3
votes
0answers
34 views

Where can Botvinnik's analysis of Botvinnik - Gligoric, Tel Aviv 1964 be found?

I have seen an old post in a chess forum referring to Botvinnik's own analysis of the game presented below. I have searched, but did not find it. Where can the analysis be found? If you can provide a ...
0
votes
1answer
124 views

Pogchamps: How does Michelle Khare beat Pokimane (rook and knight vs rook pair)?

From pogchamps, specifically semifinals of consolation bracket of pogchamps 3: [FEN "4k3/7p/5p2/8/P2rr3/5N2/6PP/4R1K1 w - - 0 1"] Black (Michelle Khare) just blundered a rook, but white (...
8
votes
3answers
962 views

If the back row of white pieces is moved to be in front of the pawns, which side should I play?

I remember this starting position played many times by my grandfathers. But I am too young to recollect the results of their games. If I have to choose, which side should I play? (White moves 1st)
4
votes
1answer
98 views

Can spectating while playing in a tournament be considered cheating? [duplicate]

This is only an imaginary scenario. A player forgot the correct "book move" in a tournament. He/She looked at another game played by strong players in the same tournament and happen to find ...
21
votes
2answers
4k views

Has there been any blunders in resignation?

We know that despite what is shown in the movies and such, most chess games don't end by a "checkmate" move and oftentimes one side realizes that they are losing and resigns before the end. ...
8
votes
4answers
1k views

Strategy to win with a king and queen against a king and pawn about to promote?

I've been doing puzzles on a site and like to continue practicing against the computer. In many of the puzzles I end up with a situation like this where I was able to promote my black pawn to a queen ...
5
votes
1answer
76 views

Ignoring Touch Move results in an Illegal Move?

I just wanted to clarify the following incident: When touching a piece without expressing the intend to adjust its position (cf. 4.2.1 FIDE Laws of Chess), such that it has to be moved because there ...
3
votes
1answer
76 views

Article 12.9.4 Laws of Chess

Article 12.9.4 of FIDE Laws of Chess: increasing the points scored in the game by the opponent to the maximum available for that game Can you give an example of a rule violation penalized under 12.9.4?...
3
votes
2answers
146 views

King's Indian Attack - "pet lines"

I am reading about the King's Indian Attack (aka Barcza System), and article says that this system is "rarely used at the highest levels except to avoid certain pet lines". I wonder what are ...
7
votes
2answers
2k views

How does white stop the three pawns and win this?

I arrived to this position, black, me, to play, in a tournament game, with plenty of time to think on both sides. Stockfish gives initially +55 and finally mate in 27 for white. Fortunately for me, my ...
0
votes
1answer
76 views

Both (at least) WGM and PhD/doctorate

By at least WGM I mean female IM, female GM, etc are included Similar to this question Both grandmaster and PhD/doctorate but for WGM
8
votes
2answers
818 views

Why do we need to exchange black bishop in A43 Benoni Defense?

[FEN "rnbqk1nr/pp1pppbp/6p1/2pP4/2P5/2N5/PP2PPPP/R1BQKBNR w KQkq - 0 1"] The only reason for developing the black bishop was to snipe the border during middle game and endgame, but in the ...
0
votes
1answer
92 views

I can't solve this puzzle

I can't, for the life of me, figure out how to solve this puzzle. White to move. [FEN "r5k1/6p1/1pp2p1p/p2n1q2/3Q4/P4PB1/2P3PP/4R1K1 w - - 0 1"]
0
votes
2answers
149 views

Till how many moves we have to think?

I am rated around 2150 on lichess. Recently I was reading a book which is on middle games "Imagination in chess" by Paata Gaprindashvili.On page number 10 there are some puzzles available. I ...
-1
votes
1answer
42 views

UCI - what should be the value of movestogo

Playing a bullet game(1 min) against UCI engine, I would send these command from GUI uci setoption name Hash value 256 isready ucinewgame position startpos e2e4 go wtime 60000 btime 60000 ...
0
votes
0answers
22 views

How to input FEN into Lucas Chess?

How can I input a position into Lucas Chess , in order to view the underlying engine's analysis through Lucas Chess's GUI? The position would be specified in FEN. Under its menu Tools->PGN, Lucas ...
1
vote
0answers
43 views

Does a GUI exist to play on www.lichess.org with a Windows Computer? [duplicate]

I noticed that if you play with a GUI the chess board looks way better. For example, I use ChessBase Reader to play in playchess.com I would like to know if there is a GUI for www.lichess.org
0
votes
0answers
121 views

With what opening can I force the opponent to a quick endgame?

I'd like an opening in which I can force the opponent, either white or black, to an endgame as soon as possible. Is there such an opening?
1
vote
1answer
263 views

How many Chess960 positions exist in which castling on 1 side does not require moving the rook on the other side?

Update: It's chess870 (or chess869). See answer. Context/Motivation/Goal: In regular chess, you never have to move a rook (on 1 side) to castle (on the other side). My aim is to see how much of 9LX ...
5
votes
4answers
245 views

Why does Stockfish give an evaluation of +7.42 here?

[fen "r3k1nr/pppqn2p/5p2/b5p1/3PP3/1BP2QBP/PP1N2P1/R3K2R w KQkq - 3 14"] This game was played by me on chess.com recently. (I am white). The material balance is +1 (for white). Then why is ...
13
votes
1answer
3k views

What is an "ugly" move?

In the video "ugly defense", GM Grigoyan called the move Knight g3-h1 an "ugly move", though objectively speaking, Nh1 may be the best move for white in this position. [fen "...
12
votes
1answer
1k views

Does blitz change the relative value of position vs material?

The way I see it, true gambits trade material for position, which in turn could give you opportunities to regain more material. However, in blitz play, you are less likely to notice those ...
-4
votes
1answer
57 views

Jobava vs Milton 2005 Skandemborg game

In the following position, from the above game, the book ROOK vs Minor pieces endgame give AN almost easy win for White. Yet I tried on my Houdini 6.02 and got a draw instead. The position is WHITE ...
21
votes
2answers
3k views

Why is ..Kh8 so much worse than ..Kg7 after Nf6?

I just "failed" this Lichess exercise. Main line is Stockfish's, secondary is mine's. [FEN "r5k1/3N1p1p/2p1p1pb/3pP3/p2P3q/5P2/PP2QP1P/R4RK1 b - - 2 19"] 1...Bf4 2. Nf6 Kg7 {-5.4 ...
-3
votes
2answers
155 views

Why do people say you can't mate with just a bishop? [closed]

I mean, looks pretty checkmate to me. Everywhere I look this up, they never speak about the fact that it is at least theoretically possible to win with just a bishop and a king. Why is that? I mean ...
1
vote
3answers
264 views

How good is 1. e4 c5 move for black? Why does Stockfish play it?

I've been running some engine vs engine games out of boredom and noticed Stockfish, when playing as black, 90% of the time played c7-c5 on white's e4. I've never actually seen a human play this, in ...
8
votes
1answer
197 views

Is a both-sides forced perpetual check possible?

There are lots of positions where one side can force the other into a perpetual check. Is there any position in which there are no legal moves besides continuing the perpetual from both sides? For ...
2
votes
1answer
94 views

Rook vs Bishop endgame

In the following endgame position, from Dautov vs Heinemann, from the book FUNDAMENTAL CHESS ENDING, what happens with perfect play? [FEN "R7/5pkp/4b1p1/3p4/8/5P2/5KPP/8 b - - 0 1"] The ...
7
votes
2answers
3k views

Why can white not mate in this position?

In the attached position, why can't white mate? Is it not possible to go Rxc6 and depending on blacks response go Rxc6. [FEN "4r1k1/1p3ppp/2b5/5n2/pp6/8/P4PPP/2R1R1K1 w - - 0 1"] Source: ...
3
votes
4answers
759 views

Timed Games and improving play?

I'm more of a chess hobbyist, but I'm trying to learn more about the game. I've been working on playing some basic openings. I usually play on chess.com. What's a better timed game to learn from? I ...

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