# Questions tagged [calculation]

Calculation is the ability of a chess player to calculate variations in a given position.

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### How to analyze new opening, in a tournament time-frame, as an intermediate?

This is a hypothetical question as I'm not actually taking part in tournaments but the question is I think worth posing. I was non-chalantly playing this as black against a chess.com bot: [StartPly &...
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### Up to which number of moves has the result of chess been calculated?

Chess hasn't been completely solved yet, even though it is completely deterministic. However, can't we "solve" it up to a certain number of moves (e.g., up to 50 moves)? Then, considering ...
145 views

### How to keep track of material when calculating?

If you're calculating a sequence, suppose you calculate it correctly( for example, you know you're gaining +2 points) but can't really evaluate the final material count correctly(can't tell that you'...
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### would a board for calculating "non-blindfold" help GMs in slow games?

I have often wondered, how would it be if the rules were different and you could calculate on a "non-blindfold" board during slow games. For example, you could picture each player in the ...
1 vote
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### Rating decreased suddenly without reason, FIDE rating displayed wrongly in the website can anyone have such Problems

My son's rating opened when he played international match during August 2023. The rating was displayed in FIDE website on the last date of August, and it was 1156. Later on September he played another ...
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### How to use chessbase to find moves that produce "only winning sequences" if present?

A lot of times you may find yourself in a losing position, and with best play surely, you'll stay losing, but there is a possibility that you make a move which is not necessarily considered the best ...
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### My FIDE Initial Rating Calculation Problem

I’m working on path to get my initial FIDE rating. I joined 8 local FIDE rated tournaments with result as follow. Rating = Result Rapid Ratings November 2022 1083 = 0 Rapid Ratings March 2023 1142 =...
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### Wrong ELO calculation

My daughter is a chess player. My concern is about her FIDE rating calculation in the August 2023 rating list. My daughter is Huseynova Lala Fide İD 13431781. She played in 2 tournaments, the Paracin ...
1 vote
156 views

### Will repetitive thoughts affect chess calculation and visualization?

I have an issue wherein my thoughts are on repeat. My counselor told me to pick an affirmation that I should repeat all the time. Will such repetitive thoughts affect my ability to visualize and ...
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Played by me (White) lately. Rev up engine of choice and weep. [FEN ""] 1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Nc3 Bb4 6. Qd2 d6 7. a3 Bxc3 8.Qxc3 Qe7 9. e5 O-O 10. Nf3 b6 11. Rd1 Bb7 ...
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### Does chess intuition take over when you can't see all of the moves ahead? What does chess intuition look like?

This is a broad question about intuition and chess. I imagine that there is a limit to how far ahead even the best chess masters can see into the future, and how far they can stretch their memory. ...
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### {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 ...
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### Which methods can be used to prove that a position is illegal?

Given a board position, there are programs that try to find a series of legal moves that lead to it. Are there algorithms that can do the opposite - prove that the position is not reachable by a ...
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### How to quickly calculate two pawns facing two pawns

A situation that often seems to confuse me is when I push a pawn alongside two pawns that are head-to-head and my opponent pushes the opposing pawn, such as when Black plays c5 to my c4. rnbqkbnr/...
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### A FM needs training help too

tl;dr: How to visualize and assess if you can't? I'm pining, no, not for the fjords, but for returning to the board after Corona. I still read a good amount of chess books, but maybe some specific ...
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### How to calculate corresponding squares

I saw this question, but it does not answer my question. I was following a Dvoretsky endgame manual and came across this diagram. Now, I understand why c5 and c7 are corresponding squares and also ...
338 views

### What is the negative thinking method in chess?

A long time ago, someone told me about the negative thinking method. There is a saying that in every position there is a move that will not worsen it. The method goes as follows. You chose n candidate ...
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### Do strong players (2400+) really not double-check their calculations?

(For reference) I'm a candidate master. However, I've been trying to improve the tactical side of my game, especially calculations and time-management. One thing I do a lot is double-checking my ...
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### Do grandmasters think on every move?

While watching Hikaru's Streams/YouTube (GM Chess Twitch Streamer), he's no doubt extremely impressive when it comes to recognizing patterns that win him material and forced mates in like 7+ moves. ...
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### How many possible chess moves are there?

Starting from the standard initial position, how many possible legal chess moves are there in this and all possible following positions? Say, ignoring the starting position, a bishop can move to 32 ...
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### Given a legal chess position, is there an algorithm that generates a series of moves that lead to it?

Given a FEN board position, is there an algorithm that can return a PGN move list that evaluates to it from the standard initial position?
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### How come it's actually Black with the advantage here?

I was analyzing a recent game of mine, and I noticed something interesting. After I blundered back a bishop on move 16, the evaluation was -3.4, which is still strongly winning for Black. [White "...
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### What was Anand thinking in the 1994 Armageddon blitz semifinal?

In the famous Blitz semifinal armageddon in 1994, Anand spends 1:43 minutes (from his 5 minutes available) on move 4, and ends up winning the game. What exactly was he thinking? Are there any ...
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### Is calculation the most important aspect of playing chess?

In many of my games, I've come across opponents who can calculate really well and deeply. Generally I feel that I lose if I can't calculate as well as my opponents. So my question was really if ...
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1 vote
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### Any tips for improving at blindfold chess? [duplicate]

I've recently started training with some drills to improve at blindfold chess using the software chess eye. I also watched a video by IM Daniel Rensch where he went over certain blindfold drills used ...
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### Systematic ways to approach more difficult problems

As I’m done solving easy puzzles (1000–1500), I decided to try some 1700 puzzles, but I’m finding it very hard to solve them as there are no obvious checks, captures and threats. Also, most of the ...
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### Is it necessary to write your calculations?

I have heard many times that while you're doing endgame studies,you should write your calculations,like candidate moves,variations.Is it really necessary?Can't i just check each variation one at a ...
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### How many positions does a GM analyze before making a move?

From a research paper: Chess players search highly selectively. It is rare that they analyze more than one hundred positions in the search tree before choosing a move. In the middle game how many ...
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### Method for precise calculation?

I'm tired of being stuck on a chesstempo rating 1530-1570 tactics in Blitz for like 5 days I'm "not" improving. Sometimes I take more than 2 minutes and sometimes I just move on quickly to the next ...
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### Suggestions for blindfold exercises

I can now name the color of any square. Does anyone have suggestions for some other visualization exercises I can do to improve my blindfold chess?
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### Why do GMs look up during calculations?

I saw some grandmasters looking up or sideways during calculations. Why don't they just look at the board and visualize? Wouldn't that be easier?
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### Calculation skills beyond 2000 Elo

[Title "Black to move and win - rated 2179"] [FEN "2r2r1k/1pq3bp/p3p1p1/P4n2/1P1P4/2P1P2P/3BB1Q1/R3R1K1 b - - 0 1"] I've been trying to work on my chess a bit more seriously since about mid-March (I ...
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### How many positions per second can the Sesse supercomputer analyze?

How many positions per second can the Sesse supercomputer analyze?
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### The difficulty of finding the exact losing move

Are there examples of chess games where the exact losing move has been found only with the help of engines? Better still, games where the exact losing move cannot be found even by the best current ...
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### Positional thinking by Grandmasters

How do Grandmasters think in an unknown position and make the best move?
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### How many different knight's tours are there?

How many solutions does the Knight’s Tour puzzle have when the knight first moves from square a1, through all squares (on each square once), and return back to a1? Please give some solutions. Also, ...
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### Lichess puzzle 87510: How much calculation would a strong player do before playing Bg4+ when white has a range of (all losing) responses?

Lichess puzzle 87510 has this position. [FEN "r1b1k3/pp4R1/2q3RQ/4p3/5P2/bP2P3/2P1K2P/8 b - - 0 1"] The solution is 1...Bg4+,.after which White has 6 legal moves: 1...Bg4+ 2. Rxg4 Qxh6, ...
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### Finding a mating net in a RRN vs RRN endgame

This question relates to a game I played on LiChess (link), from which we have the following position: [FEN "8/2rn4/2pN2k1/r1Pp2p1/p2P4/3KPP2/R7/7R w - - 4 42"] In this position with white to move, ...
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### Why does AlphaZero evaluate on the order of 1000 times less moves than Stockfish?

According to Deep mind's article, Alpha Zero searches roughly 10,000 moves per decision, while Stockfish is around 10,000,000 moves. I'm aware that Alpha Zero uses Monte Carlo Tree Search while ...
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1 vote
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### Why do engines run faster if you only have one line of analysis open?

When I load up an engine (like Stockfish), it reaches a higher depth quicker if I only leave one line of analysis open. If I leave multiple lines open, it runs slower. Why is this?
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### Calculation skills to 2000 and beyond

I'm rated about 1900 USCF and have been stuck between 1800-1900 for a few years not really knowing how to break through to 2000+. I have a good amount of positional understanding and solid foundation ...
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### How are chess engines able to rank a Mate in X above a Mate in X+Y?

According to an engine, a mate in X moves = +infinity, since it is a forced win for it. Also according to an engine, a mate in X+Y moves = +infinity, since it's a forced win (just more moves, but an ...
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### How can minimax chess engines do alpha-beta pruning without reaching the final positions?

In order to calculate far ahead, minimax chess engines must perform alpha-beta pruning, where they don't calculate positions that are obviously winning or obviously losing. Without doing pruning, ...
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### Would a player or computer with infinite proccessing time be unbeatable? [duplicate]

Forgive me if the answer is obvious, but I wondered about this for a while. In a game where one player can calculate all possible moves (whether the amount is more or less than atoms in universe or ...
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### Calculation and visualisation exercises - do they work?

I would like input from actual experience of improving calculation and visualization: can anyone testify to achieving actual and significant improvement in ability to calculate and visualize as a ...
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1 vote
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### Would this clock time mode be useful at all?

I want to encourage more games to be played with "thinking" chess instead of "video game" chess like in lightning and blitz. When I play at super fast time controls, I tend to stop calculating at all ...
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### Endgames: How was "maximum moves required" determined before tablebases?

To use a simple example, tablebases show that KQ vs. K is won in at most ten moves. But chess books going back many decades, well before tablebases, say the same thing. How was this calculated?
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### What are the best books on (A) General Theory, (B) Calculation Process/Improvement?

I will introduce my request by saying that up until fairly recently I was completely oblivious to chess despite practicing as a kid, I have a clear understanding of the FIDE rules but that's about it. ...
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