All Questions

Filter by
Sorted by
Tagged with
6
votes
1answer
397 views

Identify a problem where a potentially winning move draws because of the 50 move rule

I'm trying to remember a particular chess problem. It's related to retrograde analysis. All what I can remember is this: It's an endgame where there is only one way to reach the position, and during ...
2
votes
1answer
63 views

Gambits out of Nimzowitsch Defense

What are some aggressive gambits that White could use out of the Nimzowitsch Defense? 1. e4 Nc6 d4 d5
0
votes
0answers
39 views

If Alpha Zero were available to the public [on hold]

Alpha zero is the autonomous chess engine that had no history of games to use for a chess game and beat a StockFish version. If this standard became NORM is there anything we can learn in chess ...
-3
votes
0answers
27 views

When king is the only piece left and it has no moves is it a draw or win? [duplicate]

When king is the only piece left for one player and the other player surrounded his pieces so that the alone king has no moves, is it a draw or the other player won?
-1
votes
0answers
27 views

Can a pawn be transformed as other higher powers after reaching opposite end? [duplicate]

Can a pawn be transformed into higher power after reaching opposite the end of the board of directors in a game? What exactly happens?
0
votes
0answers
19 views

Comparision between database.chessbase.com and Chessbase 15 [on hold]

I want to choose between taking a paid online account on database.chessbase.com or buying the Chessbase 15 software. Which is better and what is the difference?
2
votes
0answers
51 views

Sites to learn the middlegame from [on hold]

I have been going through some websites for practising my middle game so that I can get an advantage right away. What are some good sites for practising the middlegame?
-1
votes
0answers
46 views

Queen sacrifice in the middlegame? [on hold]

This question regards one of the most famous queen sacrifices from the middlegame. I have been through the game between Nezhmetdinov-Chernikov, 1962, which is named as best queen sacrifice in the ...
10
votes
8answers
3k views

Chess software to analyze games

My son is into chess and plays chess tournaments. I would like to know what good chess software is available to analyze his games. The software should analyze move-by-move and should point out weak/...
0
votes
2answers
66 views

Guarding my seventh rank and a King walk assualt

A few weeks ago I played a game as Black on Lichess, which I won at the end. [FEN ""] [startply "48"] 1. e4 c5 2. Nf3 d5 3. Bd3 c4 4. Be2 e6 5. d4 cxd3 6. Qxd3 Nc6 7. exd5 Qxd5 8. a3 Nf6 9. c4 Qxd3 ...
1
vote
1answer
25 views

Moving a game up or down the SCID database list?

Is there a way to move an individual game up or down the database list? Or give it a new game number in the list?
2
votes
2answers
77 views

Cases of grandmasters renouncing titles, tournament victories, etc?

Apart from Bobby Fischer "renouncing", in a sense, the World Championship title in 1975, are there any other famous cases from chess history of strong players voluntarily renouncing titles, tournament ...
1
vote
2answers
117 views

Weakening the kingside with g5

I am having trouble deciding whether a move such like g5 (g4 in case it is White) is worth it or not. I am looking for advice on my particular position and if possible, a general explanation for any ...
0
votes
0answers
63 views

Is it fair to say Carlsen has surpassed Kasparov in his play of chess? [closed]

I know that Carlsen is the highest ranking and rated play of all time. He has passed Kasparov's highest rating. Is Carlsen a higher quality player based on statistics of the same number of games? ...
4
votes
1answer
78 views

Chess Engine: Generate a Bitboard of Pinned Pieces

I'm currently working on a chess engine and have a pseudo-legal move generator working. I'm looking for a way to efficiently generate a bitboard of pinned pieces, so I could skip them when generating ...
2
votes
1answer
94 views

Why don't chess tournament organisers use top-down camera angles?

I don't watch chess tournaments because it is such a poor experience. The live stream of the players showcases the board at an angle and I struggle to see what is going on. Meanwhile, the digital ...
2
votes
1answer
73 views

Lockheed draw rules

I recently played Lichess game that left me confused. My opponent had 1 second left on the clock when the game was suddenly drawn. There was no repitition nor was the 50-move rule invoked. Did the ...
5
votes
5answers
189 views

Who has the advantage here?

Who has the advantage here? In general whar will perform better in this scenario- 3 pawns vs. 3 pawns, or 4 pawns vs. 2 pawns?
6
votes
0answers
110 views

What would chess openings be like without castling and/or the double pawn move?

Chess has a fairly elegant set of rules, but it has two rather ugly "rules hacks" in it: Pawns can move two squares forward, but only on their first move, and have the rather ugly rule of en passant ...
3
votes
0answers
66 views

Online chess with full disclosure of name and FIDE ID

I would like to play online chess via an interface where name and FIDE number are disclosed, mainly because I believe that this discourages engine users. A few questions: I found the FIDE Arena ...
4
votes
1answer
5k views

Why did I get only 5 points even though I won?

I'm learning chess and I practice in the chess.com app. I don't understand how the winning points are calculated in every match.
1
vote
1answer
90 views

Is a piece hanging if it is defended by a higher value piece?

In this extreme examplethe c5 pawn is defended three times, though white can take the pawn with an advantage. [FEN "2r1k3/2r5/2q5/2p5/8/8/PPR5/KN4B1 w - - 0 1"] What about if the defender is a ...
10
votes
3answers
3k views

Can you castle with a “ghost” rook?

I recently saw this mate-in-2 problem [title "White to mate in 2"] [fen "8/8/8/2B5/2p5/1kp5/8/R3K3 w - - 0 1"] This was posed with the hint that the player of the White pieces was a strong player ...
13
votes
4answers
3k views

How many different ways are there to checkmate in the early game?

We all know the shortest possible checkmate is 4 ply: f3 e5 g4 Qh5# This isn't the only possible move order. In fact, there are 8, depending on whether white moves the f or g pawn first, ...
4
votes
2answers
186 views

Conceptually, what makes the Sicilian opening sensible for black?

We all know the Sicilian as shown below, is one of the most famous and commonly employed openings in chess. But compared to the other replies, which tend to be more about fixing the center (such as e5,...
3
votes
1answer
91 views

Python-chess : Are the move scores enough to rank moves from the most to least likely moves played by an engine?

My goal is to make a script to finding the most and least likely move an engine will play, and then make a list it. I tried using the scores to make such a list, with the best score equalling the most ...
5
votes
3answers
4k views

If a pawn is promoted to queen beside the king is the king instantly in check?

If a pawn is promoted to queen adjacent to the enemy king, is the king instantly in check?
4
votes
0answers
25 views

Is there a description of the files used by USCF ratings reports?

When a USCF rated tournament is submitted for rating, the tournament director submits to the USCF a set of dBase III files (.DBF files) that include the tournament data. I've never seen a description ...
2
votes
1answer
119 views

Python-chess : how to get a list for the best engine moves

I am working on a simple cheat detection script to find if a user used one of the top engine moves in a game, so I found this great python-chess library Additionally, I found this example to getting ...
4
votes
1answer
90 views

Leaving the score aside, what are the criteria allowing Stockfish to choose its “best move”?

I'm trying to understand how a chess engine like Stockfish works. I use Stockfish 10 directly, without an UI. For example, for this position (white to move)... r3n1k1/1bpp2pp/pp2p3/2P1P3/R2P4/3B1rPq/...
3
votes
1answer
179 views

Is it still back-rank mate when there aren't friendly pieces blocking?

The definition of the back rank mate is: A Back-Rank Mate is a checkmate delivered by a rook or queen along the back rank in which the mated king is unable to move up the board because the ...
19
votes
2answers
4k views

The Game of the Century - why didn't Byrne take the rook after he forked Fischer?

I'm guessing that there's a pretty simple explanation for this, but I can't seem to see it. [White "Donald Byrne"] [Black "Robert James Fischer"] [fen ""] 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5....
2
votes
1answer
77 views

Is it valid according the FIDE chess rule? [duplicate]

From FIDE Law of Chess, article 3.8, it is stated as: Now, coming to My game vs killin_pieces on lichess.org : After move 9, situation was something like this: b1 was threatened by my opponent's ...
8
votes
2answers
697 views

Which one is more important between endgame studies and tactics?

One strong player once told me that you can improve quickly if you focus more on endgame studies than on tactics training. His reasoning was that endgame studies use a few pieces to cover most of the ...
1
vote
0answers
41 views

What computing knowledge do you need to solve chess? [duplicate]

I am a 2300-rated FM in chess. Sometimes I want to know to know is this: what computing knowledge do you need to solve the game of chess? Does anyone know precisely?
5
votes
1answer
1k views

In a KP-K endgame, if the enemy king is in front of the pawn, is it always a draw?

In a KP-K endgame, if the enemy king is in front of the pawn, is it always a draw? I've tried it in various positions, yet my opponent always is able to get in front somehow and promote the pawn. I ...
2
votes
1answer
50 views

Is it possible to block a double check? [duplicate]

Is it possible to block a double-check, or is your only option to move the king? (I'm trying to code a chess game, to then go on to code a chess AI, and this would really help me)
0
votes
0answers
49 views

Hanging square and deflection tactic leading to a back rank checkmate

[FEN "2r1r1k1/5ppp/8/8/Q7/8/5PPP/4R1K1 w - - 0 1"] The important square of e8 square is hanging. It is hanging because if white can take that square it's checkmate. Is this a hanging square tactic? ...
1
vote
3answers
331 views

Tips to improve my chess

I would like to get some advice on how I can get better at chess. I know that it's a lot to ask, but I would like an analysis of what I am doing wrong and in my games. I would also like to know what ...
7
votes
3answers
720 views

Can it be useful for a player block with a hanging piece in a back rank mate situation?

Could the following situation possibly exist? It's White to play, and Black is about to get back rank mated. This is because the King's mobility is restricted to a single file. Then White gives a ...
3
votes
1answer
75 views

How to detect invalid pawn structures (not based on opponent material) for FEN valdation?

I'm going to further expand a FEN validation function I have been working on for some time to include illegal pawn formations such that: ... for example white pawns could never be on a2, a3, and ...
7
votes
5answers
2k views

Introduction to the Sicilian

I am trying to work on my openings and start playing the Sicilian as a response to 1. e4 but I am slightly overwhelmed by the huge amounts of resources available. I am rated around 1850 FIDE and I ...
5
votes
1answer
204 views

How is endgame theory developed?

First of all, I am explicitly not asking for a list of endgame principles, nor am I asking for resources to study endgames from. My question is: How does one develop endgame theory? The main ...
3
votes
0answers
54 views

Life imitates chess: is a player' style of play determined by personality and can style of play be altered? [closed]

There's a popular saying along the lines of "life imitates chess", my understanding is that cool, calm and collected players like Karpov will tend to opt for positional play while unsettled skittish ...
4
votes
1answer
76 views

Does anyone know if there is an English translation of this book?

It is a book written by Boris Zlotnik. I found some books from him in search, but I'm not sure whether the same book. Some titles with chess course vol.1, vol2., etc..
1
vote
1answer
31 views

Can you manually type moves into Arena? (copy pasting notation)

Is there a way to copy/paste a game into arena? I know how to load a PGN, but suppose I have: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 1-0 as my game. Can I copy paste this anywhere to get it loaded ...
-1
votes
0answers
79 views

CL linux script/app to play blindfold chess against Stockfish?

I'd like to simulate chess blindfold play against Stockfish with a command line tool using standard notation, and an option to see the board. Directly using Stockfish commands is not ideal, since I'd ...
3
votes
1answer
131 views

Is there a rule for anti noise earpieces?

Few days ago, one of my opponent wore Bose anti noise earpieces. Of course, I didn't call the referee cause I knew that it wasn't a cheat technique. But I was wondering what is the rules for that kind ...
1
vote
0answers
80 views

Is there a name attrbitued to this type of checkmate pattern?

I was going over an old Lichess game of mine, when I realized that I had played out the final mating position in a few other games before, as seen below. [FEN "5rk1/p4pp1/1p5p/2p4Q/2P3R1/P4q2/6RP/...
4
votes
2answers
161 views

Why is it important to study classical games?

Many masters have always recommended the study of classical games. Why is it important to study them and what is so special about classical games?

15 30 50 per page