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Strelka 5.5 wins 2014 World Chess Engines Knockout Champs (Informal)

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Strelka 5.5 wins 2014 World Chess Engines Knockout Champs (Informal) Empty Strelka 5.5 wins 2014 World Chess Engines Knockout Champs (Informal)

Post  supersharp77 on Tue Mar 18, 2014 11:52 pm

World Champion chess engine Strelka 5.5 congratulations!  Prior to this tournament I had run numerous Swiss style, gauntlet style and "knockout format tourneys on both Arena and on the Fritz GUI........I started leaning on the Fritz GUI due to the easier tourney management and letting the computer handle the heavy lifting (pairings) round by round......literally thousands of chess engines from around the world have been downloaded and then played in engine vs engine matches......the goal at first was to determine how strong my favorite chess engines/programs (Junior 7, Chessmaster 10 chessmaster 6000 Fritz 6 Fritz 5.32 Toga II Spike 1.2 Gandalf 6 Chesspartner Deep Shredder 10 would fare when matched against the Star chess programs of the current day (Houdini, Robbolito, Ivanhoe, Gull, Hiarcs, Fritz 13, Stockfish,Komodo,Fire, Naum, Rybka etc) In order to find out it became clear that I would have to test almost all of the engines because of all the claims and misinformation floating around on the internet.  I read alot online and viewed other site test results and ratings of the programs but was not in agreement with many of their findings....does 1000 games at 1min per game truly gauge the strength of a chess engine? Does a tourney with only 5 or ten engines entered really mean anything? hat opening book are they using? whats the best time control? When to cut off the opening books? I found that there would be two types of tourneys I would use.......Swiss system to come up with a rating (performance rating) just like regular players use......then once I had a rough rating for most/all of the engines I could then set up knockout tournament and find out which programs were the strongest head to head.......My first manually  run tournament using arena was run 4-5years ago and I used 32 the final Crafty 23.5 defeated Rebel Pro Deo 1.2 (quite a surprising final as many supposedly top programs got eliminated) thats when I knew I needed to take a close look at this issue.Next I became aware of some strong engines I had never even heard of like "Damirs Rybka Killer", "Mishas Mauler", Panchess, Onno, Vitruvious, Next I got a copy of Houdini 1.5 and Komodo and Naraku, Rybka 2.3.2 and Ivanhoe and Junior 12 and Houdini 1.5 won the next few knockout tournaments.I then soon had way too many chess engines to do manual tourneys so I decided to run one with Fritz gui using 128 chess engines and that one was won in shock fashion by Robodini beating Houdini 1.5 in the final (last year 2013) one win vs 3 draws best of 4. yet again another little known chess engine (Hannibal 1.3) pulled quite a few upsets to make the last1 6...New chess engines kept arriving......daily weekly and monthly........more stockfishes,Houdinis,Hiarcs,Juniors, Fritzs I still wanted to not only test the new chess engines...but also my older beloved chess engines like Junior and Chessmaster Gandalf and Fritz along with some new mostly unknown chess engines that I discovered along the way like Akkad and Minko chess and Gaviota and Deep Saros and Amyan and Thinker.....So finally I came across a number for a knockout
tournament (512) that was large enough for all the top programs to be entered, and also for some of the older and some of the newer and less well known programs to be entered also so it would be interesting and educational also. I executed a series of swiss system tourneys and test matches and then after a good idea of the programs was obtained (the had partwas getting these many varied programs to workin the Fritz gui.......which took quite a long time. Then I was finally ready to create this knock out tournament.......... the Houdini engines cruised thru the early rounds.......the Rybka engines showed great positional skill and technique throughout the tourney.....quite a few early round surprises.........2nd round same thing.....Armaggedon 1.0 was first program to defeat a Houdini both Rybka 4.0 and 4.1 made it to the late rounds.....Robbolitos were solid thru the first 3 rounds. Surprise of the tournament was Stockfish 2.2.2 JA who nearly won the tournament....another shock was Saros Blitz 1.0 making it thru to the final 8 Also Rybka 4.1 beating Houdini 1.5 was a bit of a suprise.....Komodo 2.0JA had a surprising strength also compared to the favorites Chessmaster and Junior and Gandalf did ok Toga engines did great early but were mostly gone after the first 3 round except  for Toga II 1.2.1....Overall quite a interesting tournament......Interesting results....... Very Happy 

My thanks goes to those without whose assistance this project would not have been possible….all the chess engine authors, Lokosoft, Ubisoft, Chessmaster,Chessbase, Hiarcs, Shredder Chess, Junior Chess gui, Houdini Chess, Rybka Chess, Toga Developers Group, Chessthinker page, Autochess,Immortal Chess, Chess2U, Ifreechess Rus, Comrades Chess, Brazil Forum, Chesshilton, Far East Download page, Chessgod101, Chessowl, Chess, wbec-ridderkerk, Jim Hyatt, Jim Ablett, Chess Depot, Superchessengines and all the rest…you know who you are! Lol…….One last not to all the creative people working on these fantastic chess engines out there……keep up the great work…….but remember one thing……a huge opening book does not nessesarily make a good or a great chess engine……the key is to create a “thinking machine” that is able to work its way out of difficult situations…..creatively….that is what we look for when testing these machines….original thoughts and new concepts……good luck to all!!

Note: 32 bit Intel Pentium pc limited hash limited gui opening book

pgn and download docs

Postscript don't believe all the marketing claims concerning chess engines........I found that there are only slight differences between chess engine models from one week-month-year to much stronger can Fritz 13 be vs Fritz 10 or Houdini 3 vs Houdini 1.5? or Stockfish 2.1 vs Stockfish 4 Or Komodo 1.3 vs Komodo 3? The most creative chess I observed was played by Rybka, Saros Blitz, Strelka 5.5, Szint engines (programmed) Junior chess engines etc.

Best Engines I observed

Shredder 12
Deep Shredder 12
Critter 1.6
Komodo 2.0 JA
Saros Blitz 1.0
Hiarcs 14 13.2

Most Interesting Chess Engines I viewed
Gandalf 4.32 5.0 6.0
Chessmaster (The King) etc
Junior 7 10,12,12.5 etc
Fritz 5.32
Der Bringer
Cuckoo Chess
Minko Chess
Szint Tal
List 5.12
Gothmog 1.0
Saros Blitz
Deep Saros
Toga II 1.2.1
Inmichess 3.05 wb
Tao 5.4
Dragon 4.4.3
Damirs Rybka killer
Rybka 2.3.2
Tretola ML
Rocket 1.3
Fritz 10
Deep Fritz
Tytan 8.75
Zarkov 4.70
WChess 1.6
Chess Bin
Rebel Pro Deo
Rebel 6.0
Rebel Century
Ruffian Leiden
Shredder Classic
Deep Shredder 10
Thinker  4.7 5.1 5.2 5.4 etc
Arabian Knight
Sjeng 8.0, 8.5,12.7 1.0 1.5 2.5 3.0 etc
Plywood 1.7.3
Stobor B56
Little Goliath (all)
GNU Chess
Diep 2.0
Crafty (all)

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