All Questions

2
votes
2answers
285 views

How does one play against 2. d4 cxd4 3. Nf3 in Sicilian?

I'm wondering about the move order 2. d4 cxd4 3. Nf3 in Sicilian. If black does not try to protect the pawn and plays some normal move like 3... d6, 3... e6 or 3... Nc6, then 4. Nxd4 transposes into ...
2
votes
1answer
33 views

Why play Nb5 in this line of the sicilian?

After 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 why is 5. Nb5 the best move? The game usually continues 5. Nb5 d6 6. N1c3 a6 7. Na3 and it looks to me like whites knight on a3 is misplaced. What makes ...
3
votes
1answer
25 views

How do TWIC, chessgames.com, chessbase, etc. keep up to date with new games?

Most players use these services to keep up to date on the latest chess results, but how do these services source their databases? It would seem like a prohibitive amount of work to scrape results from ...
-1
votes
2answers
34 views

Recommended master games for teaching chess

I am teaching chess to beginners and am looking for recommended games to be discussed/analyzed together. So the games should be relatively simple, short and ideally focus on one main theme (e.g. ...
6
votes
2answers
47 views

What are the ideas of 6. Qf3 in the Scotch?

In the following sequence of moves, what are the main ideas of the fashionable 6. Qf3 in the Scotch? Can White hope for a real advantage by letting Black trade Queens so early and worsening (at least ...
3
votes
2answers
123 views

How accurate is Chess Maniac's online rating estimator?

After decades away from tournament play, I decided to play in an open tourney my child entered. Trying to gauge how my game might have changed during my time away, I found an online rating estimator ...
4
votes
1answer
79 views

Giuoco Piano / Two Knights Defense / Fried Liver Attack

[FEN ""] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Ncb4 White can play 9. Qe4 (Old variation protecting c2 square from ... Nxc2+ forking King and Rook and ...
6
votes
1answer
213 views

Benko's three-mover that stumped Fischer

In Christian Hesse's book The Joy of Chess one reads about a mate-in-3 problem composed by Pál Benkö that stumped Bobby Fischer. Hesse gives the following diagram: [FEN "8/8/8/4k3/8/8/8/2BQKB2 w - - ...
4
votes
2answers
48 views

What's the rationale behind chess engines conditionally allowing threefold repetitions when assigning a draw score?

When a chess engine sees a position p repeated once (i.e. position p occurred twice) it immediately assigns the second occurrence of position p a draw score. This makes sense because position p doesn'...
4
votes
1answer
65 views

Why Stockfish 9 fails to see the draw?

I can reach a draw with White in the below position. The Stockfish 9, however, gives 28.1 points for black after Kf3,Ba1,Ke4,Bb2,Kd3. [FEN "8/p7/kpP5/qrp1b3/rpP2b2/pP4b1/P3K3/8 w - - 0 1"] 1. Kf3 ...
0
votes
1answer
37 views

Crazyhouse Chess: Playing with a real board and overall popularity?

Played a decent amount of bughouse but only started with crazyhouse a month or less ago. Although on the surface very similar games, I would say they are fundamentally different because there is no ...
-3
votes
1answer
49 views

Can some people improve in chess by setting a simple goal for how they play? [on hold]

I think chess is a very complex game that no normal person can figure out how to play perfectly no matter how their opponent plays but am not sure whether it's a theoretical impossibility for a human ...
5
votes
1answer
54 views

What is the main idea of 7.Qf3 in the Sicilian Taimanov?

In the Sicilian Taimanov, after the opening moves [FEN ""] [StartPly "12"] 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Qc7 6.Be3 a6 7.Qf3 has become popular recently. I find it still a bit strange ...
9
votes
2answers
85 views

Why isn't 3.e4 more popular in the QGA?

According to the chess.com DB, 3.e4 is the third most popular reply in the Queen's Gambit Accepted - but why isn't it the most popular by a long shot? Isn't the entire point to remove black's central ...
1
vote
1answer
57 views

How to play vs 1.e4 e5 2.Nf3 Nc6 3.d4 Nxd4?

How to play vs 1.e4 e5 2.Nf3 Nc6 3.d4 Nxd4? Assuming that we want to recapture, is it better to take the d4 Knight or the e5 Pawn?
0
votes
0answers
26 views

Collusion in a simultaneous blindfold exhibition

When a blindfold expert plays several players simultaneously, there is a tacit assumption that the players will not collude. But suppose that the players are allowed to collude, and their goal is to ...
2
votes
3answers
69 views

How should a beginner improve gameplay speed?

I am a fairly low skill player and am wanting to improve my game, but I feel as though I need to gain at least a bit more speed in my decision making to make better progress. I am a fairly analytical ...
7
votes
3answers
146 views

Why does not castling reset 50 moves rule?

Capturing a piece or moving a pawn irreversibly changes the state of the game and thus resets the counter for 50 Moves Rule. Since castling and first rook move irreversible changes state of the game ...
2
votes
2answers
69 views

Which openings (black/white) should man play against a player, who is not good at endgame but a tactical beast?

I'am looking for openings with white and black against strong junior players, which are mostly tactical beasts but not good at endgame.
12
votes
1answer
7k views

If I touch a piece with my forearm by accident, can my opponent call touch-move? [duplicate]

If I touch a piece with my forearm by accident, can my opponent call touch-move? If the answer is "no", what if after my opponent calls touch-move, I believe him and move the touch piece before ...
-7
votes
0answers
41 views

How can I win this match as white? [closed]

How can I win this match? I am white and black moves now. I need to win the match.
3
votes
0answers
90 views

How big is the “opening book” of a typical tournament player

How many openings does a typical (national/international level) tournament player usually know and play? For instance: in a tournament, can I expect that a player will either open 1.d4 or 1.e4 ...
2
votes
3answers
113 views

Which chess app plays regular openings

I play chess regularly, about 1600 rated. Sometimes I want to play chess on my phone (Android). The chess app I use, Chess free, is strong enough. However, it does not play regular openings, so when I ...
3
votes
3answers
145 views

How to improve my game

I am doing tactics 30 minutes a day, practicing end games for about 90 minutes and analyzing 1 GM annotated game a day. I can understand the logic behind why the move is played, but I can't apply it ...
2
votes
1answer
72 views

Guidance on a new idea for an engine design?

for my A-level computing project I was going to do an investigation into a type of engine design which incorporates Neural Networks that I haven't seen elsewhere; as part of this project I need to ...
5
votes
2answers
220 views

Is this considered checkmate or not

What if there's a touch move rule and my horse or bishop is blocking my king and I touch it is that a checkmate if so what is it called
3
votes
3answers
86 views

How to learn chess board coordinates?

I am relatively new to chess, and wonder, what is a fast (and hopefully easy) way to learn chess board coordinates, so when I am watching a video where the commentator says 'Knight F 6' ,i know to ...
2
votes
3answers
134 views

How to improve my calculation and guess my opponents move

I am a 1100 rated player.In rapid and blitz games I beated 1600 players this proves that my intution is good but at classical matches I can't even handle a 1300 player.I am a positional player as I ...
0
votes
3answers
48 views

How to apply handicap given ratings [duplicate]

Given a player with an ELO rating of 1200, and another with an ELO rating of 2100, how would you calculate an appropriate handicap? I know this can vary a lot depending on styles of play. I'm not ...
-3
votes
4answers
114 views

If a king is in check can the opponents king take said king if it puts him in check? [duplicate]

Q a king is in check can the opponents king take said king if it puts him in check? Boyfriend is having none of and thinks he wins ... surely you can’t put yourself in check even if the opponents ...
4
votes
0answers
146 views

Why did GM Godena resign in this position?

Being an Italian, I am following my team at the Batumi Olympiad, and I was disappointed in seeing that GM Godena had just lost to a mere Candidate Master rated 500 ELO lower (Italy - Nepal). Then I ...
8
votes
3answers
92 views

Best method of remote tutoring?

My tutor and I are exploring ways of doing lessons over the internet, and to our surprise, there isn't an immediately obvious way to do this on lichess or chess.com. What we were looking for is an ...
1
vote
0answers
46 views

If two perfect chess AI's played each other, would it always be a stalemate or would white win for an inherent first-move advantage? [duplicate]

In the circumstances of two perfect AI's playing each other, will white have an inherent advantage? Or can black always play for a stalemate by countering every white strategy?
0
votes
1answer
127 views

Is this the correct flow of a chess game?

I am trying to program a chess game as a challenge to myself, however, I am unsure if I have all the moves correct to play a legal game (not any advanced moves, that would be a challenge for another ...
2
votes
1answer
83 views

Fairy chess: KNNvK

I just wondered: can K + 2 nightriders force a mate against bare K? (A nightrider can make an unlimited number of knight moves in any direction - it cannot change direction partway through its move.)
0
votes
1answer
36 views

Multiple teams from the same country in Swiss system

Doesn't it create bias for the country? Disclaimer: I realize that benefits of having more teams from the same country far outweigh possible drawbacks, just trying to reason how possibly "unfair" can ...
1
vote
2answers
54 views

Which chess rules cover Internet play?

From FIDE Laws of Chess: FIDE Laws of Chess cover over-the-board play. So, which rules cover Internet chess play?
5
votes
3answers
142 views

Theory: Things NOT to do in a concrete opening

My sources of opening theory are mostly focuses on things to do in it, and some ideas about why. What are good sources about things to avoid, and ideas that can't be developed in an opening?
0
votes
2answers
137 views

How does White crumble Black's center?

Negi suggests 18.Kh1!N but it seems Black can continue to push his pawns. [FEN ""] [White ""] [Black ""] [Event ""] [Site ""] [Result "*"] [ECO "B33"] [Date "????.??.??"] 1. e4 c5 2. Nf3 Nc6 3. d4 ...
1
vote
1answer
77 views

Is there any database of every position ever played in a recorded game?

Is there any database of every position ever played in a recorded game? I don't ask of every possible position in chess, or "solving" chess. Only the positions that were played in a recorded game. ...
0
votes
1answer
23 views

Bughouse chess tournament pairing software?

Does anyone know of a (free) program which could be used to organize a bughouse chess tournament? Where in each round the partner you have would change. (With the basic idea to put a good and 'less ...
-1
votes
0answers
55 views

Who came up with the theory of key squares?

In Dvoretsky's Endgame Manual, he describes the key squares for a king in pawn endgames. Was he the first to describe it? Who first came up with this idea?
2
votes
2answers
182 views

Is dead position problem solvable?

In chess, there are some dead positions (FIDE Laws of Chess). Arbiter or players will terminate the game OTB, but is it possible to do computer solution for dead position detection? If it is, then how?...
1
vote
1answer
36 views

Age categories in chess

What is the minimum age to play chess in senior category? A senior chess tournament for selection of nationals is happening in our state. I would like to play. What age do I have to be to play in the ...
1
vote
2answers
62 views

Android Stockfish communication works differently than on PC? [closed]

How is number of threads to use written on Android versions of Stockfish? Whole communication works but somehow I still can't change number of threads. I even have working code for PC version of ...
0
votes
1answer
84 views

Who is better here? [hard]

Who is better in this position? White or black? Hard one!
1
vote
1answer
64 views

What was the youngest age at which a prodigy could be considered to have been a master?

There is a photo of Reshevsky playing at a very young age (like 8) against many adult players but there were no ratings in those days. I assume that a modern GM who got the title at 12 must have been ...
2
votes
5answers
282 views

Why is it necessary for black to defend e5 pawn after 1. e4 e5 2. Nf3?

Why is it necessary for black to defend the e5 pawn after 1. e4 e5 2. Nf3? What do you think of 1. e4 e5 2. Nf3 a6 3. Nxe5 d6? Now white should move his knight to c4, d3 or f3 and black can develop ...
0
votes
1answer
182 views

Why didn't the White queen take the Black rook here?

I was seeing this match on chess.com. [FEN ""] [StartPly "18"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. O-O d6 5. d3 Bg4 6. c3 a6 7. Nbd2 Nf6 8. Qb3 Qe7 9. Qxb7 Nd8 10. Qb3 Be6 11. Qa4+ Bd7 12. Qc2 g6 13. ...
0
votes
2answers
86 views

What is the thought process of a GM playing bullet? [closed]

I have read other posts (e.g. this) with descriptions of the thought process when playing long time controls, but I'm wondering what kind of information a GM processes during games with very short ...

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