Unanswered Questions

13
votes
0answers
548 views

Does white really have a win in this pawn ending, as claimed by Tim Krabbé?

Update: ​ ​ ​ ​ I emailed Tim Krabbé, and he agrees that ​ 41. b4 bxa4 ​ draws. He has posted a PS about this just under his old analysis. With respect to "Skawinski - Tomczak, European ch rapid, ...
10
votes
1answer
266 views

How to compose retrograde analysis problems?

Are there any books or articles devoted to composing retrograde analysis problems? It seems that you would need some techniques beyond ones for standard problems.
7
votes
0answers
107 views

Chess Logic - Tigran Petrosian's doctoral dissertation

I have recently learned that former chess world champion Tigran Petrosian has earned the PhD title from Yerevan State University, his dissertation title being "Chess Logic." I would like to read what ...
7
votes
2answers
293 views

Endgame FEN generator

is it possible to generate FEN strings for endgames based on specific criteria: n-pieces, w/d/l, and side to move? So say I wanted all FEN strings for King plus Rook vs King plus Pawn (KPKR) ...
6
votes
4answers
3k 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 ...
5
votes
0answers
182 views

Should white be able to win this endgame?

Should white be able to win from the position [fen "8/5k2/3p1p2/3PnP2/1KP1r1P1/8/3RB3/8 b - - 0 67"] with black to move? (A game I was playing ended there when black just let black's time run out ...
5
votes
1answer
2k views

Additional openings that are Chess Position Trainer compatible

I just started playing with Chess Position Trainer and I really enjoy the experience of playing through the "Closed Sicilian” repetoir that comes pre-loaded. The manual mentions that you can build ...
5
votes
0answers
322 views

Trying to locate an old puzzle

A friend of mine showed me a great white-to-mate-in-three puzzle back in the late '50s or early '60s. Unfortunately he doesn't recall it. I can remember a few things: It was composed by someone from ...
5
votes
2answers
420 views

Is there an online PGN editor for Blank Chess?

http://www.blankchess.com/ Blank Chess is a variant where the board starts empty and the first two moves are placing the Kings on your side of the board. You can then either place a piece or move a ...
4
votes
0answers
40 views

Are there any Linux GUIs that can be controlled via command line?

I'm looking for a GUI that I can control via the terminal. Something where I can input a series of moves into the terminal, such as: > e4 > e5 > Nf3 ...and have the GUI update the ...
4
votes
2answers
109 views

Assigning Engines in Arena

How does one assign a specific engine to a specific color in Arena? I load a PGN file and move to a specific point in the game. At that time I want to assign Engine A to play black and Engine B to ...
4
votes
1answer
393 views

Chess Position Trainer

Would anyone know how to set up training in a "random position" with Chess Position Trainer (ver 5.04)? I know and use its option to train "the variation", but was hoping there would be sort of - ...
4
votes
0answers
272 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.
4
votes
3answers
354 views

In an opening tree on ChessBase, how can we fix the statistics so that transpositions are not taken into account in the total number of games?

In an opening tree (also called "opening explorer" or "openings book") on ChessBase 12, here are the statistics that we get after 1. Nf3 c5 : So it seems that after 1. Nf3 c5 White will play 2. e4 ...
3
votes
0answers
31 views

How to use TWIC files for study

all. I'd like some feedback and suggestions on how you use The Week In Chess pgn/cbv files for study. Here are a few things I do with them: 1. Play from a won position - here we go down the list of ...

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