Unanswered Questions

15
votes
0answers
573 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
288 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.
6
votes
3answers
378 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 ...
5
votes
2answers
94 views

Does chess help develop moral virtues or correct practical attitudes?

Benjamin Franklin wrote a famous essay on the virtues of chess, claiming that it teaches foresight, circumspection, caution among others. Kasparov Chess Foundation's mission is to bring the many ...
5
votes
0answers
202 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
2answers
189 views

Positions for visualisations

where I can download positions for visualisation training? I am not looking for diagrams, I would like to have only position record saved in standard chess notation. Or are there such a book?
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
330 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
435 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
2answers
126 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
0answers
105 views

Complete game Ojanen - Ridala , Helsinki 1959

http://timkr.home.xs4all.nl/chess2/diary_6.htm Entry 117 shows a case of fatal automatism. [FEN "R7/P4k2/8/8/7K/8/r7/8 w - - 0 1"] [White "Ojanen"] [Black "Ridala"] 1. Rh8 Rh2+ In the game ...
4
votes
0answers
273 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.
3
votes
0answers
34 views

Gull engine : Which depth value to set 6 difficulty levels?

We are installing the Gull engine for some chess enthusiasts in an organization. We would like to set 6 difficulty levels from beginner to master using depth. Is there someone who can advice us about ...
3
votes
1answer
56 views

Bronstein's lines of attack on the chessboard

I remember reading as a child in a book by David Bronstein about an interesting piece of advice that he gave. He recommended to imagine the lines of movement for each piece all across the board as if ...
3
votes
0answers
37 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 ...

15 30 50 per page