Lyudmil_Tsvetkov - peregrineshahin/ChessProgrammingWiki GitHub Wiki

title: Lyudmil Tsvetkov

Home * People * Lyudmil Tsvetkov

Lyudmil Tsvetkov [1] Lyudmil Tsvetkov,

a Bulgarian former diplomat [2], chess player [3] and computer chess expert and author. In 2010, Lyudmil Tsvetkov published a Little Chess Evaluation Compendium elaborating on quantitative evaluation features in chess [4], in 2012 an Addendum. Not a chess programmer by himself, Lyudmil contributed in CCC and kept developers and test departments busy in pointing out certain weaknesses of engines with the proposal of pattern and concrete weights concerning evaluation, often controversial discussed with non-orthogonality as essence of his critics, as summarized by Louis Zulli [5].

2010 ...

Lyudmil Tsvetkov (2010). Little Chess Evaluation Compendium. 2010 pdf
Lyudmil Tsvetkov (2012). An Addendum to a Little Chess Evaluation Compendium.

Addendum June 2012 pdf Addendum 2 September 2012 pdf Addendum 3 September 2012 pdf Addendum 4 November 2012 pdf Addendum 5 November 27, 2012 pdf Addendum 6 December 03, 2012 pdf

Lyudmil Tsvetkov (2012). Little Chess Evaluation Compendium. July 2012 pdf [6], December 03, 2012 pdf [7]

2015 ...

Lyudmil Tsvetkov (2017). The Secret of Chess. amazon [8] [9] [10] [11]
Lyudmil Tsvetkov (2017). Pawns. amazon
Lyudmil Tsvetkov (2017). Human Versus Machine: How To Beat Stockfish and Komodo Part I. amazon [12]
Lyudmil Tsvetkov (2017). Human Versus Machine: How To Beat Stockfish and Komodo Part II. amazon
Lyudmil Tsvetkov (2018). Neverending Tactics: 3003 Positions to Perfection. amazon
Lyudmil Tsvetkov (2019). The Fine Art of Chess. amazon [13]

2020 ...

Lyudmil Tsvetkov (2020). The Best Move: Morphy. amazon

Forum Posts

2012

New Installment of my Project on Chess Evaluation by Lyudmil Tsvetkov, CCC, June 16, 2012
The same as 10 years ago by Lyudmil Tsvetkov, CCC, October 01, 2012
Small update of the Little Compendium by Lyudmil Tsvetkov, CCC, November 01, 2012
Post-final release of the Little Compendium by Lyudmil Tsvetkov, CCC, November 27, 2012

2013

How do you assess this position? by Lyudmil Tsvetkov, CCC, January 14, 2013
The two bishops are letting me down by Lyudmil Tsvetkov, CCC, January 18, 2013
The space advantage that was non-existent by Lyudmil Tsvetkov, CCC, January 18, 2013
Blockade by Lyudmil Tsvetkov, CCC, January 18, 2013
Opposing the unopposed pawn by Lyudmil Tsvetkov, CCC, January 18, 2013
The eternal knight by Lyudmil Tsvetkov, CCC, January 18, 2013 » Outposts
On the verge of losing by Lyudmil Tsvetkov, CCC, January 18, 2013
The backward passer by Lyudmil Tsvetkov, CCC, January 21, 2013
First move advantage by Lyudmil Tsvetkov, CCC, June 19, 2013 » Opening, Tempo
Safe spatial mobility by Lyudmil Tsvetkov, CCC, August 04, 2013 » Mobility
Castling long by Lyudmil Tsvetkov, CCC, August 05, 2013 » Castling
The worst pawn weakness by Lyudmil Tsvetkov, CCC, September 13, 2013
Crazy theories by Lyudmil Tsvetkov, CCC, September 15, 2013
A balanced approach to imbalances by Lyudmil Tsvetkov, CCC, October 23, 2013 » Material
Elephantiasis: reality or myth? by Lyudmil Tsvetkov, CCC, October 28, 2013
2 Moves Engine Book by Lyudmil Tsvetkov, CCC, December 07, 2013 » Opening Book
Lonely queen by Lyudmil Tsvetkov, CCC, December 15, 2013 » Material
My Stockfish wish for 2014 by Lyudmil Tsvetkov, CCC, December 24, 2013 » Stockfish
You are KIDding me by Lyudmil Tsvetkov, CCC, December 28, 2013 [14]

2014

Crude, cruder, crudest by Lyudmil Tsvetkov, CCC, January 05, 2014 » Stockfish
The Fried Fish Attack by Lyudmil Tsvetkov, CCC, January 10, 2014 [15]
5 underestimated evaluation rules by Lyudmil Tsvetkov, CCC, January 23, 2014
Huge simplification by Lyudmil Tsvetkov, CCC, April 25, 2014 » Stockfish, Pawn Chain
What is a backward pawn? by Lyudmil Tsvetkov, CCC, May 12, 2014 » Backward Pawn, Backward Pawns (Bitboards)
The phalanx concept by Lyudmil Tsvetkov, CCC, May 21, 2014 » Duo Trio Quart
The Superfinal by Lyudmil Tsvetkov, CCC, May 21, 2014 » TCEC Season 6 - Superfinal, Komodo vs. Stockfish
Redundant knight by Lyudmil Tsvetkov, CCC, June 20, 2014
Scaling eval with material on the board by Lyudmil Tsvetkov, CCC, June 25, 2014
King shelter x-ray attacks by Lyudmil Tsvetkov, CCC, June 27, 2014 » King Safety, X-ray Attacks (Bitboards)
Obligatory scaling by Lyudmil Tsvetkov, CCC, June 27, 2014 » Rook Endgame
Heavy piece shelter by Lyudmil Tsvetkov, CCC, June 27, 2014 » King Safety

2015

Binders by Lyudmil Tsvetkov, CCC, February 04, 2015 » Pawn Structure
LCP by Lyudmil Tsvetkov, CCC, February 09, 2015 » Pawn Chain
En passant bonus by Lyudmil Tsvetkov, CCC, February 10, 2015 » En passant
Pawn checks and center levers by Lyudmil Tsvetkov, CCC, February 11, 2015
So same, so different by Lyudmil Tsvetkov, CCC, February 12, 2015 » Rook on Open File
Kind of backward by Lyudmil Tsvetkov, CCC, February 13, 2015
Empty! by Lyudmil Tsvetkov, CCC, February 14, 2015 » Square Control
Double pawn push by Lyudmil Tsvetkov, CCC, February 14, 2015
Kingside fianchetto by Lyudmil Tsvetkov, CCC, February 18, 2015 » Fianchetto
Pawn defence by Lyudmil Tsvetkov, CCC, February 18, 2015 » Connectivity
The strongest passer by Lyudmil Tsvetkov, CCC, February 19, 2015
Longer chain pawn again by Lyudmil Tsvetkov, CCC, February 25, 2015 » Pawn Chain
Couple more ideas by Lyudmil Tsvetkov, CCC, April 05, 2015
Lever evaluation by Lyudmil Tsvetkov, CCC, May 01, 2015 » Pawn Levers (Bitboards)
Chain, duo, connected by Lyudmil Tsvetkov, CCC, May 02, 2015 » Pawn Chain, Duo Trio Quart (Bitboards)
Some more pawns by Lyudmil Tsvetkov, CCC, May 03, 2015
Assorted tweaks by Lyudmil Tsvetkov, CCC, May 08, 2015

2016 ...

Long-term project by Lyudmil Tsvetkov, CCC, June 05, 2016
The Secret of Chess by Lyudmil Tsvetkov, CCC, August 01, 2017
The Secret of Chess by Lyudmil Tsvetkov, Rybka Forum, August 02, 2017
Human versus Machine by Lyudmil Tsvetkov, Hiarcs Forum, October 08, 2017
Human versus Machine by Lyudmil Tsvetkov, Rybka Forum, October 08, 2017
Why was Lyudmil banned? by Louis Zulli, CCC, April 02, 2018
The Fine Art of Chess by Harm Geert Muller, CCC, September 11, 2019

2020 ...

Playing with "The Secret of Chess" by Harald Lüßen, CCC, January 30, 2021 » The Secret of Chess, Elephant

External Links

References

↑ Photos Courtesy of Lyudmil Tsvetkov
↑ Department of Foreign Affairs - New Ambassadors present Credentials
↑ Ludmil Tsvetkov chess games - 365Chess.com
↑ Lyudmil Tsvetkov (2010). Little Chess Evaluation Compendium. 2010 pdf
↑ Thanks by Louis Zulli, CCC, June 20, 2014
↑ An Update of the Addendum to the LittleCompendium by Lyudmil Tsvetkov, CCC, July 02, 2012
↑ Post-final release of the Little Compendium by Lyudmil Tsvetkov, CCC, November 27, 2012
↑ The Secret of Chess by Lyudmil Tsvetkov, CCC, August 01, 2017
↑ The Secret of Chess? - Review by David Smerdon, December 03, 2017
↑ The Secret of Chess by David Smerdon, ChessBase News, December 22, 2017
↑ Playing with "The Secret of Chess" by Harald Lüßen, CCC, January 30, 2021
↑ Human versus Machine by Lyudmil Tsvetkov, Hiarcs Forum, October 08, 2017
↑ The Fine Art of Chess by Harm Geert Muller, CCC, September 11, 2019
↑ King's Indian Defence from Wikipedia
↑ Two Knights Defense, Fried Liver Attack - Wikipedia

Up one level