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2
votes
0answers
8 views

Idea behind e-pawn sacrifice in Open Sicilian: Najdorf, Freak Attack (6. Rg1)?

There are 10 games in my database with this variation played on a high level and the White score is +6-2=2, almost always White is the elo-wise weaker player. The highest rated White player to employ ...
2
votes
0answers
38 views

Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense

I seem to keep losing games as white in this opening. What systems is good for white and what are the developing ideas before the middlegame for white after 4. dxc5? [FEN ""] 1. e4 c6 2. d4 d5 3. e5 ...
3
votes
3answers
405 views

Stockfish is suggesting Qxg5 in this Position

The position in question is [FEN ""] [StartPly "13"] 1. d4 c5 2. Nf3 cxd4 3. Nxd4 Nc6 4. Nc3 e5 5. Ndb5 Bb4 6. Bg5 Bxc3+ 7. bxc3 Qa5 8. Qd5 Nge7 9. Nd6+ Kf8 10. Qxf7# 1-0 It's black turn and the ...
2
votes
1answer
40 views

Play pawn-only chess vs a friend

I am teaching a youngster how to play chess, remotely. I've seen suggestions to start with pawn-only chess, where we start with the initial setup for all 16 pawns, but no other pieces on the board. ...
2
votes
3answers
653 views

Do any national chess bodies not strictly follow FIDE rules?

There are some subtle differences in the rules of chess used in different un/rated competitions. For example, chess.com never considers King + Bishop sufficient mating material. Do all national ...
10
votes
1answer
889 views

What does it mean to ''analyze grandmaster games''?

I am currently rated 1850. My coach tells me that in order to get better at my game, I should ''analyze grandmaster' games''. On the surface, I understand that he wants me to learn from great players' ...
4
votes
1answer
44 views

Pawn Structure Change in the Pirc - dxe5 or Nxe5?

As black I reached this position in a recent game [White "Somebody"] [Black "Ian Bush"] [Result "*"] [ECO "B07"] [FEN ""] [StartPly "23"] 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 c6 5.f3 b5 6.a3 Nbd7 7.Bd3 ...
8
votes
2answers
197 views

Is the number of legal chess positions odd or even?

Is the number of legal chess positions odd or even? Two positions are not the same if they differ in castling rights (i.e. whether K or R have actually moved) or en passant capability (i.e. whether ...
4
votes
1answer
61 views

Game analysis - Understanding the potential of this queenside expansion

From the game Samuel Reshevsky vs Henrique Mecking in the Sousse Interzonal (1967). [fen "r2qnr2/1pnb1pbk/3p2pp/p1pPp3/2P1P2N/PPN1B1PP/3Q1P2/1R2RBK1 w - - 0 1"] 1.Na4 Na6 2. Rec1 Rb8 3.Nc3 Nf6 4.Qb2 ...
5
votes
3answers
3k views

Do the rules of chess state that a Bishop+King can be sufficient mating material?

A famous recent example of this ending happened last year between Carlsen and Firouzja. Here, Firouzja time ran out, so Carlsen won [Title "Alireza Firouzja-Magnus Carlsen, World Blitz Championship,...
3
votes
2answers
1k views

Help with the Sicilian Defence - I need to understand those early pawn moves

Why we often see many pawn moves in the Sicilian Defense? I would imagine that this harms the development of the black pieces. For instance, there is this line: [FEN ""] 1. e4 c5 2. Nf3 d6 3. d4 a6 ...
6
votes
2answers
1k views

Can someone explain this computer suggestion to me?

[FEN ""] 1. d4 d5 2. c4 dxc4 3. Nf3 e5 4. Nxe5 c5 5. d5 f6 6. Nxc4 b5 7. Nca3 c4 8. Nxb5 Qa5+ 9. N1c3 Bb4 10. Nd4 Bxc3+ 11. Bd2 Bxd2+ 12. Qxd2 Qxd5 13. Rc1 Nh6 14. b3 Nf5 15. bxc4 Qxd4 16. Qxd4 Nxd4 ...
6
votes
1answer
62 views

In Bughouse can you claim a draw if the position on the board repeated three times but the pieces available to place were different?

In Bughouse chess can you make a triple occurrence draw claim if the position on the board has been repeated three times but the pieces available to the players to place were different each time?
3
votes
1answer
60 views

What's the best way to learn the French?

Recently, I have been very attracted to the French defense, as I feel as though it is perfect for my style. However, I am aware that the French is highly theoretical, which is why I need a good, ...
1
vote
1answer
69 views

Polerio Gambit game for review

Please analyze and comment about this game I played as an anonymous uer. I played the Polerio Gambit in the game. I would also like remarks about the Polerio Gambit (1. e4 e5 2. f4 exf4 3. d4) as ...
9
votes
1answer
2k views

Why Are Openings Named After Countries?

This has been bothering me from when I was little. Why are openings most commonly named after a country? For example: Sicilian, Scotch, Spanish, etc...
2
votes
1answer
66 views

Advanced Caro Kann: Queenless Middlegame

I started analysing my games as a means to improvement. I am trying to form my own opinion without looking at the engine that much, as I can't rely on it while analysing a position in game. I really ...
4
votes
1answer
90 views

Does the Réti opening continuing to evolve?

"How to win in the chess openings" by I.A. Horowitz states, regarding the Réti opening, that "there is no known way which leads to an advantage for white" which leads to the conclusion that it should ...
5
votes
1answer
92 views

Guide to using a book

I am currently twenty years old. I learned the rules of chess when I was eight and played on and off for a long time. However, I did not take it seriously. Recently after joining chess.com and trying ...
4
votes
3answers
133 views

Fun variants in teaching chess to children

I'm teaching my 5 year old daughter basic chess. While she's kind of interested, I feel the material, such as how the pieces move, mate in 1 puzzles, basic KQ and KR checkmates, etc, is a bit boring ...
4
votes
1answer
82 views

Which endgame manual?

Which endgame manual do you recommend and why? • Dvoretsky's Endgame Manual • Fundamental Chess Endings (Muller & Lamprecht) • Silman's Complete Endgame Course • Some other book I am ...
9
votes
2answers
456 views

1. e4 e6 2. d4 c5 - is this opening worth it?

While doing my spring cleaning, I came across an old book claiming to give a good opening chance for black. It's called the "Barcza-Larsen opening" and it is characterized by 2 .. c5: [fen ""] 1. e4 ...
2
votes
4answers
1k views

Does your rating express the quality of your play regardless of time control?

For instance if I analyze a game played in blitz, move by move, between two 2600s, should I expect the moves to be of the same quality as the moves between two 2600s in classical? Or would worse play ...
1
vote
0answers
45 views

Using Freeware AI and Dynamically Generated Endgame Tablebases [closed]

The purpose of this query is to discuss a topic that I am totally ignorant of, rather than pose one specific question. Although such a query does invite opinions based on intuition, I am also ...
5
votes
1answer
155 views

Black repertoire for players who love the English Opening

When I started playing chess I picked 3 openings (Queens Gambit as white, Caro-Kann and QGD as black) and pretty much stopped studying the openings to focus on endgames and middlegames. Some months ...
13
votes
4answers
6k views

Why is it funny to say Giri played the Evans Gambit?

At 0:55 in this video, Youtuber agadmator claims Anish Giri played the Evans Gambit in the Italian Game: [fen ""] [Black "Anish Giri"] [White "Kirill Alekseenko"] [Event "Candidates 2020 (Joke Line)"]...
5
votes
1answer
100 views

What is White's compensation in the Smith-Morra Gambit, Paulsen Formation (a6, e6, Nc6) after an early …Na5?

The variation is almost forced if White aims for the standard Smith-Morra setup. At the end White is a pawn down and no longer has two bishops, but is well developed. However Black's setup does not ...
2
votes
1answer
128 views

What is an example of a very difficult one-move checkmate? [closed]

Usually one-move checkmate puzzles are easy. However, I am wondering if there is a relatively more difficult one-move checkmate puzzle. Here are a few thoughts: There are many legal moves. One or ...
7
votes
2answers
437 views

Why not 7.Qa4+ in Carlsen vs Navara QGD

In the game of Carlsen vs Navara Biel Chess 2018, on move 7 why did Carlsen play e3 instead of playing Qa4+ and taking that hanging bishop?
1
vote
0answers
77 views

What Sicilian Defence variation has the most similarity to the Dutch?

Given that in GM Simon William's book The Killer Dutch, Williams says that the Sicilian and the Dutch are mirror images of each other, as Williams states "If you look at the first move, you can see ...
21
votes
4answers
7k views

I was up a piece but could not win. What went wrong?

I lost this game and I am not looking for a computer analysis, but what approach should I have taken instead? The game continued 1. Rxd4 Rb7 2. Rxc4 dxc4 3. a4 b4 4. Bd4 Rd7 5. Bb6 c3 6. Rb1 Rd5 7. ...
2
votes
1answer
83 views

Magic Bitboards, Feeding in Randoms - Why have to find magic instead of just loading from disk?

I read about Looking for Magics for Magic Bitboard, they mentioned the method "Feeding in Randoms". As I understand, this method works like this: label RETRY; magic = random();//trial for (all ...
1
vote
1answer
33 views

ChessBase 15 “fast” reference search

I am actually drilling methodically several lines (1...e5 and 1...e6 2...d5 but the question won't depend on that) of the english opening, using ChessBase 15 fast reference search. The qualifier "...
1
vote
1answer
71 views

What's the correct way to calculate centipawn loss?

I've been letting the engine analyze a position at depth D, then making the player's move and letting the engine analyze the resulting position at the same depth D, and then taking the difference ...
16
votes
5answers
5k views

Is there a trick to help kids know which direction pawns are going?

My 5-year-old old daughter very often forgets which direction a pawn is moving. This is confusing especially at endgame studies. I use a marker pen to draw two eyes on the pawns so that her pawns are ...
8
votes
1answer
610 views

Isn't the Bogo-Indian just busted with this line?

I know openings often tend not to be busted, and I'm obviously not really suggesting that the Bogo is busted. But I recently played a Bogo-Indian where I just couldn't find any follow up quite early ...
8
votes
2answers
371 views

Is it possible to extract “sub-scores” from an engine's evaluation?

Does anyone know of an engine that gives "sub-scores" (e.g., for material, king safety, space, activity) in addition to its total evaluation? Lots of people have wished over the years that engines ...
6
votes
2answers
195 views

Why was 3…c5 for black was a bad move?

I played a player ranked about 450 points higher, and I was out-played. I managed to give a fight but was trailing all along. The player used the English opening and on third move I (black) played c5....
0
votes
2answers
91 views

Going from a winning position to losing one [closed]

I often go from winning positions to losing positions. What could I do to stop doing this? For an example, take a look at this games of in which I played as Black. [FEN ""] 1. e4 {0} 1... e5 {4} 2....
2
votes
2answers
38 views

Is there an online chess game or app that allows for custom setup of pieces and printing this setup?

I want to setup positions for my grandsons to show different tactics and print them. Lichess is excellent except that it won't print the pieces on the board. Any suggestions?
0
votes
2answers
117 views

Is there a way to prove a checkmate in 3 puzzle is not solvable?

I have been working on a checkmate-in-3 puzzle for a long time. So long that I am becoming convinced it is not solvable. Is there a way to prove it is not solvable? I want to avoid putting the ...
11
votes
2answers
278 views

Bishops of Opposite Colors endgame: Is this a draw?

[FEN ""] [Event "Rated Correspondence game"] [Site "https://lichess.org/GILERcIS"] [Date "2020.02.26"] [Round "-"] [White "mathwhiz16"] [Black "theMortician"] [Result "1/2-1/2"] [UTCDate "2020.02.26"] ...
3
votes
4answers
106 views

After a blunder, is it better to resign or keep playing?

I often wonder if it is better to resign or keep playing at a disadvantage after making an obvious blunder (for instance, leaving a piece hanging, only to realize too late that you made the mistake). ...
2
votes
1answer
41 views

How can I migrate my openings from Chess Position Trainer to another database when the pgn too large to import?

I have used Chess Position Trainer for years. I now only play "postal" chess and no longer memorize openings. Also chess position trainer is the only application I have the requires windows and I ...
13
votes
3answers
2k views

What to play if someone ignores your King's Gambit?

So I'm an (unranked, but ~1500 on lichess) amateur who's been working on developing my opening strategy for some time, and I've basically been using the King's Gambit for a variety of reasons: It is ...
7
votes
3answers
2k views

Is Bobby Fischer hanging a knight?

So I've been looking at the "Game of the Century" between Bobby Fischer and Donald Byrne. There's something I can't get over. In move 18, that queen is tempting, but there's also a knight on c3 that ...
2
votes
1answer
44 views

Variation in Max Lange Attack

In the position at 15:29 of this video, what are some possible variations the line starting with the move 12...Qe5 that lead to an advantage for white? [FEN ""] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. ...
3
votes
0answers
70 views

Looking for special chess freeware

I am looking for chess freeware that ideally has the following facilities, and I am wondering what compromises I'll need to accept. I am also requesting the results of your experiences. List Of Needs ...
1
vote
1answer
29 views

Moving f6 pawn in Max Lange Attack

In the position at 14:28 of this video, why can't black just make the move f6? I wish to know as it was stated in the video that black will lose the other rook. [FEN "2k3r1/ppp1qpPp/2n1b3/2b3B1/...
2
votes
1answer
595 views

Can Black reach full equality?

[FEN "r3kb1r/ppqn1ppp/2p1pn2/4Nb2/2BP4/2N5/PPPBQPPP/2KR3R b kq - 0 10"] This position is taken from super GM game, so I am fully aware that Black might be busted here and that this question might ...

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