Unanswered Questions

36 questions with no upvoted or accepted answers
6
votes
1answer
368 views

From a full board to a pawn endgame in the shortest possible number of half-moves

Is any game known where all the pieces (except the pawns) are still on the board, and where a piece (not a pawn!) is captured at each half-move, leading to a pawn endgame? In other words, is there a ...
6
votes
1answer
152 views

What happens if a player dies at the board? What is the ruling?

What happens if a player dies at the board? What is the ruling? I am interested in both FIDE and/or USCF rules. I seem to recall about 40 years ago, when reading my first copy of the USCF rule book, ...
5
votes
0answers
111 views

16 roses, 16x16 board; maximum double-attacked squares while all 256 squares are attacked at least once?

The rose is a piece that is best described as a "circular nightrider", able to reach up to 32 other squares from the center of a 13x13 area by making consecutive knight jumps in a rotating fashion in ...
4
votes
0answers
130 views

Are these magics wrong?

I am working on my chess engine and wanted to finally implement magic bitboards to get a huge increase in performance. Basically I was writing a method to check if a number can be used as a magic for ...
4
votes
0answers
77 views

Full “reverse checkers” position in GM game with 12 or more pieces per player?

In yesterday's Tata Steel tournament in this game between Dubov and Artemiev this position was reached: [title "Dubov - Artemiev Tata Steel 2020"] [fen "r1r5/1p1q1pk1/2n1p1p1/2RpP2p/p2P3P/P1Q3P1/...
4
votes
1answer
224 views

How strong is each level of Atari 2600's Video Chess?

I used to play Video Chess on Atari with my dad when I was a kid. What is the approximate FIDE rating of each level?
3
votes
0answers
70 views

Looking for special chess freeware

I am looking for chess freeware that ideally has the following facilities, and I am wondering what compromises I'll need to accept. I am also requesting the results of your experiences. List Of Needs ...
3
votes
0answers
35 views

Is there any resource where you can look up a board position and read a number of suggested moves?

Is there any resource where you could just plug in the positions of all the pieces on the board and for example see an annotated page where different people have analyzed the strengths of various ...
3
votes
0answers
59 views

How to Create Positional Theory

I've been playing Kraton Chess, which is basically standard chess except there are 96 different possible starting positions that are similar to the standard starting position. All the rules of ...
3
votes
0answers
29 views

Human assisted handicapped engine against engine, adjustable parameters

I am looking for software preferably local interface on windows, to play human+engine against engine with access to search parameters such as depth and "greed" or dismissal factor (controlling ...
3
votes
0answers
132 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 ...
3
votes
0answers
301 views

Is this a sound elephant offer?

In the following dobutsu shogi position, is Gc3xc2 a bad move? ABC +---+ 1| | g 2|lce| 3|E G| 4| L | *C +---+
3
votes
0answers
195 views

Elo rating software with automatic random matchups

This question is not about chess per se, but I am looking for a software that could generate random matchups through a list of 200ish options/people, then I could choose the winner and it would rank ...
2
votes
0answers
8 views

Idea behind e-pawn sacrifice in Open Sicilian: Najdorf, Freak Attack (6. Rg1)?

There are 10 games in my database with this variation played on a high level and the White score is +6-2=2, almost always White is the elo-wise weaker player. The highest rated White player to employ ...
2
votes
0answers
38 views

Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense

I seem to keep losing games as white in this opening. What systems is good for white and what are the developing ideas before the middlegame for white after 4. dxc5? [FEN ""] 1. e4 c6 2. d4 d5 3. e5 ...

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