1
vote
1answer
50 views

Which is the smallest chess engine with ELO at least 2000?

Preferably written in javascript, but the language really doesn't matter.
5
votes
1answer
119 views

In sicilian defence, why would white always exchange the c5 pawn. What harm would it do otherwise?

In 1.e4 c5 2.Nf3 e6 3.d4, why does white play and exchange the c5 pawn? If white does not do so, how can I take advantage of this? As an example: 1.e4 c5 2.Bc4 e6 3.Bb3 Nc6 4.Nf3 what is the best ...
2
votes
3answers
66 views

Do you sign papers when joining a chess club?

I've been invited by a club to join. I've never played in a club before. He said I should sign papers, and then I can play for fun and free and represent the club in tournaments. My question is, do ...
1
vote
2answers
85 views

UCI engine state notion

Hi guys I have a problem with using stockfish engine which is using UCI protocol. I wanted to play black and the computer white. But so far I think that uci engine has no notion of state and it gives ...
1
vote
2answers
55 views

Arena: How to have the engine only analyze and let me play as both black and white

I enjoy watching chess videos where, say, an opening is analyzed and besides the main line the lecturer also explores alternatives and explains why they are bad or good. I would like to do this ...
1
vote
2answers
73 views

The Ponziani - What are the plans?

We live in a strange country. Instead of having championships for all group ages(U10, U12, etc) they just place everyone in a tournament and ship the top people of each group-age. I am third best in ...
6
votes
1answer
73 views

Plans for White and Black in the Queen's Gambit Accepted

I often play this variation of the Queen's Gambit Accepted: [fen ""] 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. a3 b5 10. Be2 Bb7 11. b4 Be7 12. Bb2 ...
0
votes
2answers
72 views

Does anyone know what happened to nowinchess.com?

I used to go to the http://www.nowinchess.com/ website to see what are the new tournaments, and grab PGN files of past tournaments. It was simple, and excellent. Suddenly, two weeks ago another ...
5
votes
1answer
273 views

Illegal swiss pairings?

There is a series of USCF scholastic tournaments run by a certain group of schools that accepts outside players as well. I've suspected for some time that they intentionally manipulate their swiss ...
0
votes
1answer
64 views

Good books for- Grunfeild and Sicilian defence

Can you please recommend good books for- Grunfeld and Sicilian defense. Would prefer separate books for either. Specially one which contains deeper analysis and has recent games illustrated.
2
votes
3answers
138 views

Could black have taken the queen here?

Could black have taken the queen here? Note the bishop and the knight [FEN "r5k1/1b3Qpp/5b2/p1p1N3/2P2P1P/8/P1N5/K4Rn1 w - - 0 1"] [Title "Can black take the queen?"]
5
votes
2answers
90 views

N vs. B ending, pawns on both sides

I had this position today, with White to play: [FEN "8/1p3kpp/p1n1p3/3p4/3P4/1P2B3/P2K1PPP/8 w - - 0 25"] What should White's plan be to try and win, and are there any particular pawn ...
3
votes
2answers
96 views

Is 8…c5 good in this position, or does it restrict Black's mobility too much?

[fen "rn1qk2r/pbp2ppp/1p1bpn2/8/2P5/5NP1/PB1PPPBP/RN1Q1RK1 b kq - 0 8"] [White "Villain (2075)"] [Black "Hero (1950)"] 8... c5 I was Black in this position. To me, it immediately looks like the ...
0
votes
1answer
38 views

Software for tournaments, leaderboards and result tracking

guys, What kind of software/apps do you use to track your results of games with friends or in clubs? How do you track your wins/losses and progress while casually playing chess?
2
votes
1answer
40 views

Endgame Tablebase, what is it?

I've been reading and enjoying the site immensely. What is the Endgame Tablebase? I see it referenced frequently. TIA
2
votes
1answer
156 views

Which tie break system would be used in Tata Steel 2015?

Which tie break system would be used in Tata Steel 2015? I didn't find it on the tournament website. I don't know how to get it.
8
votes
2answers
698 views

Why didn't Giri go for the pawns against Ding Liren (Tata Steel 2015)?

This game at move 69 - https://chess24.com/en/watch/live-tournaments/tataSteelMasters2015/9/1/3 [fen "8/2p5/1pBpK1k1/1P1P2N1/7r/8/8/8 w - - 0 1"] [White "Anish Giri"] [Black "Ding Liren"] [Event ...
0
votes
0answers
61 views

Can my King take? [duplicate]

ok so here is the issue I'm having... I am playing a correspondence game online and I came across a situation where I pinned my opponents rook against his King and in between his rook and my king is ...
2
votes
1answer
97 views

How to draw this rook and pawn vs. rook endgame?

According to endgame tablebases, this position is a draw: [fen "3r4/6R1/1kp5/8/8/8/5K2/8 w - - 1 61"] 1. Ke3 Kc5 2. Rg4 Kb5 3. Ke2 c5 4. Rg3 Kb4 5. Ke1 c4 6. Rg4 Kb3 7. Rg7 c3 8. Rb7+ Kc2 9. Rb4 ...
2
votes
2answers
441 views

Forced checkmate examples where engines fail

Do you know example where recent chess engines (Houdini, Rybka, Komodo, ...) failed to find a forced checkmate. I guess they must find mate in 1 or 2 all the time but maybe are they failing to be as ...
1
vote
3answers
85 views

Is there a checkmate in the next move?

My friend claims that there is a mate in the next move. White to move and checkmate. I am aware of 3 mate in 2 variations 1.Qd1 Kc3 2.Rxd5# 1.Qd1 Kc5 2.Qg1# 1.Qd1 Kxe5 2.d4# But I cannot seem to ...
-1
votes
0answers
69 views

What is the most complex engine? [on hold]

It doesn't necessarily has to be the "best" engine, just the most complex.
0
votes
2answers
102 views

Battling the London System

I seem to have fairly good success against the London system and the Colle using the Queen's Indian defense. Has there been any games at the Senior master level where the Queen's Indian has been used? ...
2
votes
2answers
99 views

Opening with Nf3 - beginner

I came across the opening Nf3 wich I find very beatiful. I know that it could lead to the Réti opening. My question is: beside the Réti opening what are the most commun openings following the Nf3 and ...
0
votes
1answer
42 views

What is the maximum number of possible moves a player can choose from? [duplicate]

Let's say you arrange a position that gives a player the maximum number of choices among possible moves. How does that position look like and how many possible moves are in that position?
1
vote
2answers
117 views

What is the difference between an opening and a defence?

I would like to know why some openings are called "defences" and other all called "openings." What is the difference?
7
votes
1answer
113 views

Why not 4.Bd2 in the Nimzo-Indian?

After the initial moves of the Nimzo-Indian 4.Bd2 is rarely played and it gets poor results according to databases. [FEN ""] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 It looks like the most natural move ...
2
votes
3answers
84 views

When Black opens with Nf6 after e4 - Beginner question

I would like to have some analysis in the following setting: 1. e4 Nf6 2. e5 Nd5. Now, what is best for white? The move 3. c4 continues the attack, but can create a "pawn weakness".
1
vote
2answers
58 views

Better move. Chess analysis

Aside from the blunder 27 Nh3, what should've made to make this game winning for white? rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. ...
2
votes
1answer
94 views

Training plan for going from High Class A/Low Expert to National Master… Help?

I'm currently hovering around 1970 USCF and am lucky enough that in the next 6 months, I have nearly nothing to do. I'm a returning student, 27 years old, who only needs 1 class to get my degree. I ...
0
votes
1answer
44 views

What was Verdoni's first name?

Did you know that Verdoni was known to be a chess champion in the 19th century, but what was his first name?
0
votes
1answer
60 views

Chess opening and chess master to look up to

I'm lazy doing long calculations for each chess move though I like the open-line games which of course would require longer calculations than the closed ones which target simplification. Question ...
1
vote
3answers
81 views

What motivates you to play chess and continuously get better at it?

I notice that many chess player, especially kids lose their ability to motivate themselves, especially because of the highly commercialization of the game. It seems as if playing for fun today isn't ...
3
votes
1answer
78 views

Question about knight vs. 3 pawns endgame

In the following puzzle, 5. Kb6 is considered better than 5. Kc7. Doesn't Kc7 force Black to sacrifice his knight (sooner)? [FEN "8/3n4/8/1P3k2/1P6/4K2P/8/8 b - - 0 1"] 1... Nb6 2. Kd4 Ke6 3. Kc5 ...
2
votes
2answers
88 views

Productive tactical puzzles: random or themed?

Simply, which of the following two approaches will typically improve tactical ability the fastest: Doing puzzles around a known theme or tactical motif - i.e. do 100 puzzles that involve a ...
2
votes
6answers
119 views

What's the best chess tactics trainer on the web?

There are plenty of chess tactics trainers out there on the internet. What trainer works best for you? Why?
1
vote
2answers
57 views

About stalemates and how to cause one

Are their possible positions where the 'white' side is losing but the person is in a situation where they can force a stalemate? Are there chess positions one can 'look out for' to enable one to ...
1
vote
2answers
164 views

What are the hardest pawnless endgames that go over the 50-move rule?

I know two pawnless endgames that go over the 50-move rule. King and 2 Bishops vs. King and Knight = 70 moves average. King, Rook and Bishop vs. King and 2 Knights = 200 move average. What others ...
1
vote
2answers
582 views

Is the number of possible chess games infinite?

This question is somewhat related to Can the total number of possible wins/draws/losses be calculated?, but slightly different. There is a recent TV show episode that claims that there are "more ...
0
votes
1answer
60 views

About unusual forced mates

Are there 'legitimate' chess positions were say white can force a mate by sacrificing 4 of its pieces in succession one after the other? Can this be done even if white has less material than black?
0
votes
1answer
87 views

how do FIDE rated players perform on lichess?

I have been playing on lichess for a while and it strikes me how low ratings are compared to other rating systems. This is not to say that players are weaker, I have quite the opposite feeling, but ...
0
votes
1answer
84 views

Maximum number of captures in a position

I was wondering what is the maximum number of captures in a position, either in a real game or a puzzle
-2
votes
1answer
94 views

How many pieces would you sack for a queen?

I recently played a game where I sacked a knight and a rook for a queen and pawn. That got me thinking, how many pieces would you sack for a queen? The reason I am not interested in theories is ...
1
vote
1answer
49 views

Chess variant where king is captured

While trying to teach my 4-y-o son the rules of chess, I found it difficult to explain the rules of check, checkmate and stalemate. Having already explained the moves of each piece and how capturing ...
1
vote
2answers
65 views

Moving king into check

Can a player move their king into check if the opponents piece that is able to take king, is putting opponents king in check?
2
votes
1answer
121 views

How would you figure out someone's Elo rating from a single game of chess?

I'm basically fishing for suggestions here... there is an AI contest to figure out a person's rating from a single game. The contest's description mentions Ken Regan's approach that makes use of ...
7
votes
5answers
1k views

Is this a checkmate for White?

[FEN "8/3RkQ2/3B4/8/8/8/8/8 w - - 0 1"] Is there a way out for Black? My son and I finished this way (only the relevant parts of the position are shown in the diagram), but reading about ...
0
votes
2answers
32 views

Is there a way to automatically download KnightVision games from a chess blog?

Taking as an example, this blog: http://wellingtonchess2012.blogspot.com/. I can download the games manually by going to each game, clicking on "KVChess V2.31" in the bottom left corner, which then ...
5
votes
4answers
121 views

Accidental moves in online chess

If your opponent makes an accidental move, e.g. by slipping the mouse, and it is obvious that is was accidental, how should you continue? Should you just play the best move as if your opponent's last ...
8
votes
3answers
814 views

Pawn Promotion Endgame Problem // White to move - mate in 1

So I have not been this interested in chess for a very long time indeed. This problem was posed to me by someone who has recently become experienced in chess and also participated in a chess ...

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