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votes
2answers
73 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
155 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 ...
6
votes
1answer
90 views

Is a both-sides forced perpetual check possible?

There’s lots of positions where one side can force the other into a perpetual check. Is there any position where there are no legal moves besides continuing the perpetual from both sides? For example, ...
2
votes
1answer
79 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
728 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 ...
0
votes
0answers
38 views

nxn board editor

I was trying to do some animations using a chessboard and it turns out that I need an nxn board editor (for some n less than 16). Is there any such editors available online? I would like to have some ...
0
votes
1answer
96 views

How to use my Queen better?

In many of my games, I'm having problems with developing my queen. I'm aware of basic principles such as not moving the queen too early, or developing it after the minor pieces and so on. Yet, I ...
7
votes
6answers
2k views

How can one know where two diagonal lines meet?

Is there an algebraic way to know In which square two diagonals meet? For example a2 and f3 meet in d5 How can one find d5 without looking at the board? (Blindfolded chess exercise)
-6
votes
0answers
85 views

https://database.lichess.org/#puzzles 1,857,574 chess puzzles, rated and tagged [closed]

I wrote this on reddit but nobody answered it. please look at this https://easyupload.io/jh51a2 https://easyupload.io/mj95vq https://easyupload.io/g741nd I have only mate in 4 pgn Can you convert (...
2
votes
1answer
126 views

A suggestive opposite color Bishop ending

The following position appeared to drive even modern engines crazy! [FEN "8/8/b1kP2p1/P5P1/8/BK6/8/8 b - - 0 1"] BLACK to move will get the following results: Komodo 24.1 64-bit depth 61= 3....
8
votes
1answer
147 views

Reanalyzing old chess books

Computers were demolishing analyses way before they became God (see e.g. here), but latest at ELO 3000 or so it became humiliating. Do you know instances of chess books explicitly rewritten years ...
-1
votes
1answer
138 views

A rook endgame from a classical book

From the game Kozul-Kurajica, Sarajevo 1998: [FEN "2r3k1/5pp1/1p5p/3p4/8/P5P1/1P3PKP/4R3 w - - 0 0"] In the above position; Stockfish 12 at a depth of 42 evaluates the position the position ...
4
votes
3answers
190 views

Does learning chess make you smarter?

I noticed that a lot of chess experts state or imply that teaching kids to play chess is good for them. I wonder if there have been any reliable studies of this (As in, randomized controlled trials)? ...
3
votes
1answer
164 views

What is this line/trap in the Caro-Kann called? After Bf5, White chases Black's bishop and plays e6

What is this line/trap in the Caro-Kann called? If Black plays Bf5 on move 3, White chases Black's bishop around with several aggressive pawn moves (similar to the Tal variation) with the ultimate ...
0
votes
1answer
92 views

Position Analysis - Win or Draw - Efimeko v Rublevsky 2009

Is the current position winning or equal , and with the perfect play what would be the resulting position. [Event "Karpov Poikovsky"] [Site "Poikovsky RUS"] [Date "2009"] ...
3
votes
1answer
63 views

Opening specific tactic material source

My chess course kiddies requested KID specific tactics material. Now I never play KID. For Sicilian, I would say "specific" means, for example, Nxb5,Nxe6,Nd5,Nf5...had my fair share of these ...
-2
votes
1answer
147 views

Dynamic Black Openings against 1.e4 [closed]

What dynamic openings for Black are considered sound against 1.e4?
2
votes
2answers
175 views

What is the chess position with biggest X, where no matter what legal move black/white does, a specific player will be mated at a max X moves later?

There are positions where no matter what legal move black or white does during this sequence of moves, an specific player, will always be mated after X moves (sometimes earlier, but after X moves its ...
0
votes
0answers
101 views

Is the following position a win for White or a draw?

The deceptively simple 11 piece position is hard to decifrate. In a Sicilian Defense, Paulsen variation, the following position appeared on the board: Grandellius vs Andreikin, Black to move. What ...
2
votes
0answers
37 views

How can I query an endgame tablebase for multiple positions using loops/conditional statements?

In textbooks you find diagrams about key squares and similar concepts. For example, white can promote a pawn if white's king can control three particular squares infront of the pawn. I would like to ...
1
vote
1answer
332 views

Smallest number of moves needed to mate a lone Black king on e8 with all White pieces [duplicate]

Imagine that all White pieces are in their initial position and Black only has their king on e8. What is the smallest number of moves needed for White to give checkmate?
-7
votes
1answer
156 views

Ok fine, how do I answer questions like records for youngest to obtain a certain title?

A. Background: Under Mobeus Zoom's suggestion here: List of records for youngest superGMs since 1950? (or 1970 or whenever FIDE started rating people. or basically after 2700s after Fischer) (this is ...
11
votes
1answer
3k views

{Landa vs Zhu Chen, Bad Wiessee, 2006} Lichess giving a +4.7 to white. Why?

Here is the lichess study for the game which is often presented as study. I am curious here, as to why White is given a strong advantage, even though the material is equal and Black has a lot more ...
12
votes
1answer
1k views

Semi-Slav name origin

The name Semi-Slav suggests that somehow it's half of a Slav. How did this name come about? Or what does it mean? The two openings seem completely different to me due to the fate of the c8 bishop.
6
votes
1answer
59 views

Where to download fischer random games?

Where can I download the PGN files for the World Chess 960 championship from 2019, that was won by Wesley So? I can view the games on the website e.g, https://www.frchess.com/stream but I want to ...
5
votes
1answer
3k views

There is neither checkmate nor stalemate, so why did black win?

I'm programming chess in python for my cs class and I'm doing some testing using chess.com. However, I'm confused as to why this game (and several others) seem to prematurely come to an end? AFAIK the ...
6
votes
1answer
158 views

Straightforward refutation of the Stafford gambit

I recently found the the following line that completely neutralizes the Stafford gambit, and lets white keep the pawn with a healthier structure and a calm game ahead with plenty of winning chances. [...
7
votes
3answers
2k views

Can black win this pawn ending?

Black to move. My computer gives the evaluation -2.5 but I can't find the winning sequence for black. [FEN "6k1/6pp/4p3/3pP3/2pP1PP1/1p6/1K5P/8 b - - 0 1"] (Black goes up the board)
1
vote
1answer
69 views

Why Aimchess rapid 2021 match results do not contribute to rapid ratings?

I used to check player ratings updates on https://2700chess.com/rapid which is usually promptly updated, often within few minutes from the match end (at least during the last FIDE world cup this was ...
6
votes
2answers
2k views

Why do GMs participate in an "GM norm invitational" tournament?

I'm following the current GM/IM norm invitational tournament recaps thanks to GothamChess YouTube channel (IM Levy Rozman is playing). Such an event (for GM norms) requires at least 3 (1/3) GMs to ...
-2
votes
1answer
66 views

King's Indian Attack position analysis

So, after some 20 moves, we have reached this position. Who is better ? What should be the ideal plan/threat for both white and black ?
3
votes
2answers
278 views

Challenges of becoming a good chess player

Chess is a deterministic game. Hence in principle we can have a perfect strategy for chess, a strategy that prevents a player losing a single game (given that no mistake has been made). All chess ...
1
vote
0answers
58 views

Why is futility pruning causing an Elo drop in my engine?

I'm getting weird results when introducing futility pruning into Blunder. On the one hand, I'm getting a pretty sizeable reduction in nodes, and I'm searching a full ply deeper for some positions (e.g....
-2
votes
3answers
185 views

Why did I improve quickly after stopping resignation?

About a week ago, I decided to never resign unless I am in a completely losing endgame and to always play to checkmate unless it would be a complete waste of time(say in a queen vs lone king endgame). ...
1
vote
1answer
69 views

Analog chess clock with second hand - when is time up?

I recently purchased an analog chess clock. That is, although battery powered, it has two normal clock faces, including the red flags, but also including red second hands. The second hands can be set ...
3
votes
2answers
240 views

Is it true that Grand Master Julio Granda has only read one chess book?

Wikipedia spanish entry for GM Julio Granda says (Google translates): Julio Granda does not study opening theory. He has stated that he has only read one chess book, the third volume of Roberto Grau'...
0
votes
2answers
108 views

How do I overcome chess anxiety?

I love this game! It's beautiful! I love watching it on twitch, youtube, etc. I love reading about openings, learning tactics, and solving puzzles. However, I get so tense and anxious when I play. It ...
9
votes
6answers
3k views

Are tactics or endgames more important?

I’ve seen a lot of strong players say at lower levels all you need to do is get really good at tactics, but, I’ve also seen a lot of people say that you should study the endgame before the opening or ...
-2
votes
0answers
93 views
+50

List of records for youngest WFMs (woman FIDE masters) since 1950 (or whenever)?

On Wiki, we have the List of youngest grandmasters since 1950. What about WFMs (woman FIDE masters) instead of GMs? Note 1: I really mean to ask about WFMs (females who obtain the female exclusive ...
-2
votes
0answers
50 views

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

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

List of records for youngest WCMs (woman candidate masters) since 1950?

On Wiki, we have the List of youngest grandmasters since 1950. What about WCMs (woman candidate masters) instead of GMs? Note: I really mean WCMs (woman candidate masters) and not female CMs. Not a ...
-2
votes
0answers
59 views

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

On Wiki, we have the List of youngest grandmasters since 1950. What about female CMs (candidate masters) instead of GMs? Note: I really mean female CMs and not WCMs
-4
votes
0answers
148 views

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

Close/re-open notes: Only 1 vote left to reopen please! Stop closing this: Lol at the close. what's the direct relevance of female CMs and WIMs? The 2200+ thing? Female CM and WIM are not the same! ...
-3
votes
0answers
84 views
+50

List of records for youngest female international masters since 1950?

Open title version: List of records for youngest international masters since 1950? WIM version: List of records for youngest WIMs (woman international masters) since 1950? On Wiki, we have the List ...
1
vote
3answers
123 views

What are the objective criteria which suggest the position needs immediate tactical attention?

In even the most quiet-looking position there might be a tactical bolt of the blue, but consider a game might last 50+ moves, and your time and your concentration are limited resources. Thus it is not ...
3
votes
1answer
98 views

Where to put rooks when many pawns breaks are possible ( example position )

I think the white plan is to move the king to d3, knight to d2 (to protect f1/f3 from black bishop) put the bishop an a3 and open position c4-c5. I think the white position is much better. Is it the ...
6
votes
2answers
98 views

Chess visualization exercises

As beginner chess player I need an advice from more expert players. After one month I will partecipate to an OTB tournament and I want to improve my skills doing tactic exercises. Is it useful to do ...
0
votes
0answers
51 views

Are there still "unsolvable" positions for computers, post Alpha Zero? [duplicate]

Yeah, yeah, duplicate... Dupe A Dupe B ...but the times they are a-changing. For example, I tried this "rambling rook" piece by Henneberger, Lichess Stockfish found a #31 on depth 93 or so. ...
-2
votes
1answer
99 views

List of records for the youngest FIDE masters since 1950?

Edit based on answer given by blunderchess1236 awhile ago: I'm not looking for just 1 person like who most recently attained the youngest (Alekhine Nouri). I'm asking also who held the record for ...

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