All Questions

1
vote
2answers
397 views

Why don't we use this scoring system: 2 points for a win, 1 point for a draw, 0 point for a lose?

In chess tournaments, when you win you get 1 point, when you draw you get 0.5 point, when you lose you get 0 point. So we have to use two additional symbols to represent the score of a player: the ...
2
votes
1answer
22 views

Current state of Polugayevsky/Najdorf

[FEN ""] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8.e5 dxe5 9. fxe5 Qc7 When I was actively playing, 250000 cigarettes ago, the Polugayevsky's fantastic idea of 7. ...
1
vote
1answer
161 views

Under Promoting Pawn [duplicate]

I would like to ask if It is legal to under promote a pawn to opponents pieces? Here's the position for white; Ka5, b7 and Rc7 and for black; Ka7, Ra8. [FEN "r7/kPR5/8/K7/8/8/8/8 w - - 0 1"] [Title ...
1
vote
1answer
58 views

What system do DGT boards use?

DGT boards allow it to be connected with a computer, and thus sending it the moves. WHat algorithm does it use to verify the moves pieces?
1
vote
1answer
74 views

What are the options to automatically identify games where the first move played was the best by a margin?

Let's imagine I have a pgn file with each game starting from a tactical position, and I want to identify the games where the solution was the only one. Basically an engine would have to evaluate ...
4
votes
1answer
149 views

How to respond to the Taimanov attack in the Benoni?

[FEN ""] 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+ How can black respond in the following position?
3
votes
4answers
87 views

How to work out quiet positions?

I am a good player when I have a plan. If I have a certain goal in mind, I can see the way to it. But in quiet, planless, positions, I have difficulty as an attacking and tactical player. What is the ...
2
votes
2answers
104 views

e3 vs e4 in 1.d4 openings

In some openings, like Nimzo-Indian, the usual e-pawn move is e3, while in openings like the KID, White can play e4. Is there some guidelines to know when you can play e2-e4?
4
votes
1answer
111 views

How does a chess engine mimic an Elo rating

I am a fairly new chess player (say 1400) and I would like to play against Stockfish and win some of the time. If I change the strength to 1400 then what does the algorithm actually do ? Does it make ...
2
votes
2answers
270 views

What should be my approach to checkmating efficiently?

[fen "r1bqk2r/ppp3Bp/2n5/8/1b2p3/1P2n1P1/P4PBP/RN1Q1KNR w kq - 0 13"] I was playing a game where I got to this position as black on lichess.org - the analysis said that checkmate was unavoidable ...
1
vote
3answers
39 views

Correspondece chess on agreed openings

I would like to play correspondace chess, but in order to use it as training for my openning repertoire, I want to agree with the oponent which opening to use. For example, We bith give a list of ...
1
vote
1answer
74 views

Stop SF MultiPV from returning an upperbound

For a given position, I'd like to compute an evaluation of the 3 best moves. I send this to Stockfish: setoption name MultiPV value 3 position startpos go movetime 500.0 // search for 0.5 seconds I ...
0
votes
1answer
142 views

Is e5 fully playable in the following positions?

Can someone provide computer analysis that confirms or refutes the correctness of ...e5, played in the below positions. First position: [Title "Black relies on tactics to carry out freeing break"] ...
4
votes
2answers
98 views

Does memorizing chess games improve chess ability?

It is common for strong chess players to have chess games in memory. Is this because it helps to memorize chess games?
-4
votes
0answers
32 views

World's Greatest Chess Opening [closed]

There is an infinite amount of openings and their variations, some rank the glorious 1.e4 as the greatest opening of all time. Since 1.e4's roots have been traced back into the medieval ages, and the ...
1
vote
1answer
32 views

Play Colle system as black?

I'm fascinated by the Colle system, but I'm not sure if it's applicable when you play as black. Does anyone have experience in this?
1
vote
1answer
61 views

What is the most agressive, tactical, attacking, line in this Mieses?

[FEN ""] 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.e5 Qe7 7.Qe2 Nd5 8.c4 Nb6 There are two variations here. Nd2 and b3. Which fits best to the criteria?
2
votes
2answers
81 views

What type of a chess player am I?

I'd like to know what sort of a chess player I am. Am I too much of an attacker, or a defender? Or maybe, a little bit of both? On the contrary, I enjoy attacking and deploying stealthy tactics but ...
2
votes
2answers
83 views

How long is a miniature?

A miniature is a short game of chess. Depending on the forums you ask in or the blogs you look at, the length of the miniature is always a problem. Is there a standard number of moves under which the ...
5
votes
2answers
167 views

If I accidentally knock over a rook with my elbow while reaching for another piece, do I have to move the rook?

According to the official FIDE rules for otb games, does the above description warrant the touch move rule?
4
votes
0answers
34 views

How can I use Scid to figure how I should divide study time for each opening line?

I have a database (Scid) that is mostly made up of games downloaded from TWIC. I know my rating (low 2000s). As an example, I want to play the Classical Sicilian as black. It can be reached either as ...
4
votes
4answers
115 views

What are some common statistical analyses we can run on many games (~20k games)?

I have a list of around 20k games played on a popular online website. I would like to run some statistical analyses on these games. I'm not talking about analysing specific games, but rather finding ...
3
votes
0answers
59 views

Good books to learn Sveshnikov Sicilian

I'm a club player around 2100 FIDE rating trying to learn the Sicilian Sveshnikov, with the black pieces, for long time controls (2 hours/game). What books do I need to read in order to learn this ...
-4
votes
2answers
101 views

Is this assumption correct or not?

Take a look at this position: [FEN "4k3/pppppppp/8/8/8/8/PPPPPPPP/4K3 w - - 0 1"] This is a popular chess "tabiya" at our club. The young students play it quite often actually. I placed this ...
5
votes
1answer
98 views

Deviating from standard Danish gambit

I like to play the Danish gambit opening. Frequently, black won't take the last pawn to complete the standard opening, but instead plays the knight as shown below. I'll generally play Queen to b3 or ...
-1
votes
3answers
70 views

How to tell how far you are from checkmate?

What are some tips to tell if you are close to checkmate?
1
vote
3answers
73 views

At what point is sacrificing a queen a bad move?

Obviously if you get checkmate from it it's fine, but at what point does it become unacceptable?
1
vote
2answers
90 views

Chess software that shows current score

When playing computer chess software I find myself wondering "who's winning right now according to the computer?". For example: I make a bad move but I don't realize it yet - but the computer looking ...
5
votes
1answer
122 views

Queen vs rook & knight with all pawns

I'm going through a chess tutorial (Shredder). One of the exercises begins where all pawns are in their starting positions. I have a queen and my opponent has a rook and a knight, again all in ...
6
votes
2answers
317 views

What are the motivations behind pawn moves on a and h files?

Sometimes when there are no clearly optimal moves, a computer or a human master player would push their pawns on a and h files (the edges of the board), for no clear reasons. What would be the ...
4
votes
3answers
118 views

Putting pressure on pawns

Why is it important to develop your pieces to put "pressure" on opponent's pawn(s)? I hear this a lot from YouTube videos in which experienced chess players commenting as the game develops. It's ...
1
vote
3answers
167 views

How to make a computer play like a player?

Since computers have surpassed by now all humans, it should be very easy for it to emulate a strength of an weaker player. So the idea is: Supply a number of games The computer ajusts its options ...
2
votes
1answer
300 views

What's the problem with 5. Nxe5 in Spanish Exchange?

Spanish exchange: http://en.wikipedia.org/wiki/Ruy_Lopez,_Exchange_Variation Using the image in the Wiki page, after 4 ... dxc6, why can't white just respond by Nxe5, thereby gaining advantage by ...
1
vote
2answers
165 views

Chess Psychology

I have a friend who is an improving chess player. He wants to progress in his game. The problem with him is that he plays really good with much stronger opponents but, often lose many games ...
0
votes
1answer
119 views

Why did the computer win?

I just played chess on my mac and the computer (black) won. Here's the final board: Why couldn't I, white, use my king (D4) to take the black queen (C5)?
0
votes
1answer
109 views

The beauty of chess

Many times one can read in chess magazines the world "beautiful". Comments like "that move/combination/execution/problem/solution was beautiful" are our daily bread when we read game analysis. What ...
3
votes
1answer
193 views

A list of chess variants and their popularity

How many chess variant are there? (Apparently a lot.) If possible could you include the popularity of each variant and its major event. For example, I know that there's a US bughouse chess ...
3
votes
1answer
79 views

what do you need in order to organize a chess tournament?

We have a small locale chess club group on facebook and chess.com, we want to organize a small event where all the members can play against each others. We will ask players who play for the national ...
0
votes
3answers
114 views

Looking for books on the Benoni

I am looking for books in the Benoni where this sequence of moves is played, so: [fen ""] 1.d4 Nf6 2.c4 c5 3.d5 e6 4. Nc3 exd5 5. cxd5 d6 And black's plan after that is g6. Also if possible that ...
2
votes
2answers
80 views

Where to keep the scoresheet

Does anybody know if there is a standard "place" to keep the scoresheets of past games? I am currently using a photo album since the size of developed photos is more or less the size of my scoresheet ...
0
votes
0answers
20 views

An idea to improve and help others [migrated]

First of all - it's not a question, I'm not sure if I can make posts like this here (forgive me if I'm not supposed to) but let me explain. What I've been thinking recently is that we have so many ...
3
votes
2answers
320 views

Is it better to take the knight in this position?

This position is from a game I played. I played Bxa1. I'm wondering if instead of Bxa1 I played Bxe5 then he might have played fxe5 then I play Bd3+. Is that a better continuation? I didn't like ...
1
vote
2answers
96 views

Evaluating Elo rating on a per move basis

I've been a Chess.com user for a little over 3 years now. I play EVERY day, usually have anywhere from 10 to 50 games going on any single day. Since I've started, my rating has only gone up about 150 ...
8
votes
2answers
2k views

He has two queens. I have one. Is it proper chess etiquette to check him non stop just to avoid losing?

I am losing a game. My only option is to check my opponent non stop. I have no chance to checkmate him. I am only hoping to force a draw. Is this proper chess etiquette?
0
votes
0answers
47 views

Illegal move or forfeit on time - who wins this 5-minute match?

In a 5-minute match a player makes an illegal move leaving his king in a check position. This usually gives the victory to the opponent, if he sees it and captures the king. Otherwise, if the opponent ...
1
vote
3answers
48 views

Why the ratings used for different time controls are different?

The FIDE assigns a player not one but three different ratings: For classical games featuring long time controls, that is, 90 minutes for the first 40 moves + 30 minutes for the rest of the game + 30 ...
0
votes
1answer
156 views

What is the Elo rating of a chess computer that can only look 1, 2, 3, … moves ahead

Has anyone calculated the average Elo rating of a chess computer as a function of the number of half moves or plys ahead it can look. I realise that the Elo is also a function of the choice of move ...
0
votes
1answer
87 views

Looking for a chess program that evaluates my playing and adapts its level to it

As the title of the question says, I'm looking for a chess program that evaluates my playing and adapts its level to it. Maybe Lucas Chess does this (it's said that it does), but I found the tips of ...
0
votes
1answer
77 views

What fraction of a Pawn do the most powerful chess engines (Komodo, Stockfish, Houdini, Fritz, Hiarcs, Gull, …) use as their evaluation unit?

I've heard that the most common evaluation unit is 1/100 of a Pawn. But some engines use 1/1000 of a Pawn as their evaluation unit. I've also heard that Stockfish used 1/256 of a Pawn as its ...
6
votes
1answer
92 views

Pawn confrontations: capture, push past, or leave the tension?

When your opponent moves a pawn to a position where it can be captured by one of your pawns, how should you determine whether to capture it, push past it or leave the tension on the board and make a ...

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