After testing for 3 weeks my test result are finishished with Rybka v2.2 still the best free single cpu engine follow by Thinker 5.4 Inert and in third place Grapefruit 1.0b. You can also compare Graham free single cpu rating list.
I first started using Harry HS-classic 10moves.abk. but at the end all my final tests with the best three engines were matched with Balance-14.abk opening Books.
http://www.computerchess.org.uk/ccrl/40 ... ons_only=1
The last match between Rybka v2.2 vs Thinker 5.4, instead of 100 games I decided to match it with only 50 games; since at that time it was clear to me that Rybka v2.2 was still a little bit stronger than Thinker 5.4 Inert.
Engine Score Ry SP S-B
1: Rybka v2.2n2.mp.w32 28.0/50 ·················································· 0==10011=01101010==1110=1=1=010=0====0=111===10=11 616.00
2: SP-x86-Inert---Thinker 22.0/50 1==01100=10010101==0001=0=0=101=1====1=000===01=00 ·················································· 616.00
50 games played / Tournament is finished
Name of the tournament: Arena tournament
Site/ Country: JORGE, United States
Level: Tournament Game in 5 Minutes
Hardware: AMD Sempron 3800+ AM2 with 1GB DDR2 RAM Memory
Operating system: Microsoft Windows XP Professional Service Pack 2 (Build 2600)
PGN-File: C:\Program Files\Arena\Arena.pgn
Website:
E-Mail Address:
_______________________________________________________________________
Engine Score SP Gr S-B
1: SP-x86-Inert---Thinker 55.0/100 ···································································································· =10110001111=000=0=1==1=1=10=1=011=1==1=001111011==0=01=110=1100001=10==111==1=1==0010===1=0=0===0=1 2475.0
2: Grapefruit 1.0 beta 45.0/100 =01001110000=111=1=0==0=0=01=0=100=0==0=110000100==1=10=001=0011110=01==000==0=0==1101===0=1=1===1=0 ···································································································· 2475.0
100 games played / Tournament is finished
Name of the tournament: Arena tournament
Site/ Country: JORGE, United States
Level: Tournament Game in 5 Minutes
Hardware: AMD Sempron 3800+ AM2 with 1GB DDR2 RAM Memory
Operating system: Microsoft Windows XP Professional Service Pack 2 (Build 2600)
PGN-File: C:\Program Files\Arena\Arena.pgn
Website:
E-Mail Address:
Rybka v2.2 is still the best free single cpu engine follow..
Moderator: Ras
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- Posts: 2564
- Joined: Thu Mar 09, 2006 3:04 am
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- Posts: 2292
- Joined: Mon Sep 29, 2008 1:50 am
Re: Rybka v2.2 is still the best free single cpu engine foll
It the open source world people tend to make a distinction between "free as in beer" and "free as in speech". 
In this terminology Rybka v2.2 and Thinker 5.4 are free as in beer. Grapefruit 1.0b is free as in speech.

In this terminology Rybka v2.2 and Thinker 5.4 are free as in beer. Grapefruit 1.0b is free as in speech.
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- Posts: 2564
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Re: Rybka v2.2 is no longer the best free engine............
pichy wrote:After testing for 3 weeks my test result are finishished with Rybka v2.2 still the best free single cpu engine follow by Thinker 5.4 Inert and in third place Grapefruit 1.0b. You can also compare Graham free single cpu rating list.
I first started using Harry HS-classic 10moves.abk. but at the end all my final tests with the best three engines were matched with Balance-14.abk opening Books.
http://www.computerchess.org.uk/ccrl/40 ... ons_only=1
The last match between Rybka v2.2 vs Thinker 5.4, instead of 100 games I decided to match it with only 50 games; since at that time it was clear to me that Rybka v2.2 was still a little bit stronger than Thinker 5.4 Inert.
Engine Score Ry SP S-B
1: Rybka v2.2n2.mp.w32 28.0/50 ·················································· 0==10011=01101010==1110=1=1=010=0====0=111===10=11 616.00
2: SP-x86-Inert---Thinker 22.0/50 1==01100=10010101==0001=0=0=101=1====1=000===01=00 ·················································· 616.00
50 games played / Tournament is finished
Name of the tournament: Arena tournament
Site/ Country: JORGE, United States
Level: Tournament Game in 5 Minutes
Hardware: AMD Sempron 3800+ AM2 with 1GB DDR2 RAM Memory
Operating system: Microsoft Windows XP Professional Service Pack 2 (Build 2600)
PGN-File: C:\Program Files\Arena\Arena.pgn
Website:
E-Mail Address:
_______________________________________________________________________
Engine Score SP Gr S-B
1: SP-x86-Inert---Thinker 55.0/100 ···································································································· =10110001111=000=0=1==1=1=10=1=011=1==1=001111011==0=01=110=1100001=10==111==1=1==0010===1=0=0===0=1 2475.0
2: Grapefruit 1.0 beta 45.0/100 =01001110000=111=1=0==0=0=01=0=100=0==0=110000100==1=10=001=0011110=01==000==0=0==1101===0=1=1===1=0 ···································································································· 2475.0
100 games played / Tournament is finished
Name of the tournament: Arena tournament
Site/ Country: JORGE, United States
Level: Tournament Game in 5 Minutes
Hardware: AMD Sempron 3800+ AM2 with 1GB DDR2 RAM Memory
Operating system: Microsoft Windows XP Professional Service Pack 2 (Build 2600)
PGN-File: C:\Program Files\Arena\Arena.pgn
Website:
E-Mail Address:
_____________________________________________________
Here is the present match between Rybka v2.2 vs Thinker 5.4c Inert
Engine Score SP Ry S-B
1: SP-x86-Inert---Thinker 7.0/12 ············ ===1=110=01= 35.00
2: Rybka v2.2n2.mp.w32 5.0/12 ===0=001=10= ············ 35.00
12 of 50 games played
Name of the tournament: Arena tournament
Site/ Country: JORGE, United States
Level: Blitz 5/1
Hardware: AMD Sempron 3800+ AM2 with 1GB DDR2 RAM Memory
Operating system: Microsoft Windows XP Professional Service Pack 2 (Build 2600)
PGN-File: C:\Program Files\Arena\Arena.pgn
Website:
E-Mail Address:
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- Posts: 2564
- Joined: Thu Mar 09, 2006 3:04 am
Re: Rybka v2.2 is no longer the best free engine............
pichy wrote:pichy wrote:After testing for 3 weeks my test result are finishished with Rybka v2.2 still the best free single cpu engine follow by Thinker 5.4a Inert and in third place Grapefruit 1.0b. You can also compare Graham free single cpu rating list.
I first started using Harry HS-classic 10moves.abk. but at the end all my final tests with the best three engines were matched with Balance-14.abk opening Books.
http://www.computerchess.org.uk/ccrl/40 ... ons_only=1
The last match between Rybka v2.2 vs Thinker 5.4a, instead of 100 games I decided to match it with only 50 games; since at that time it was clear to me that Rybka v2.2 was still a little bit stronger than Thinker 5.4a Inert.
Engine Score Ry SP S-B
1: Rybka v2.2n2.mp.w32 28.0/50 ·················································· 0==10011=01101010==1110=1=1=010=0====0=111===10=11 616.00
2: SP-x86-Inert---Thinker 22.0/50 1==01100=10010101==0001=0=0=101=1====1=000===01=00 ·················································· 616.00
50 games played / Tournament is finished
Name of the tournament: Arena tournament
Site/ Country: JORGE, United States
Level: Tournament Game in 5 Minutes
Hardware: AMD Sempron 3800+ AM2 with 1GB DDR2 RAM Memory
Operating system: Microsoft Windows XP Professional Service Pack 2 (Build 2600)
PGN-File: C:\Program Files\Arena\Arena.pgn
Website:
E-Mail Address:
_______________________________________________________________________
Engine Score SP Gr S-B
1: SP-x86-Inert---Thinker 55.0/100 ···································································································· =10110001111=000=0=1==1=1=10=1=011=1==1=001111011==0=01=110=1100001=10==111==1=1==0010===1=0=0===0=1 2475.0
2: Grapefruit 1.0 beta 45.0/100 =01001110000=111=1=0==0=0=01=0=100=0==0=110000100==1=10=001=0011110=01==000==0=0==1101===0=1=1===1=0 ···································································································· 2475.0
100 games played / Tournament is finished
Name of the tournament: Arena tournament
Site/ Country: JORGE, United States
Level: Tournament Game in 5 Minutes
Hardware: AMD Sempron 3800+ AM2 with 1GB DDR2 RAM Memory
Operating system: Microsoft Windows XP Professional Service Pack 2 (Build 2600)
PGN-File: C:\Program Files\Arena\Arena.pgn
Website:
E-Mail Address:
_____________________________________________________
Here is the present match between Rybka v2.2 vs Thinker 5.4c Inert
Engine Score SP Ry S-B
1: SP-x86-Inert---Thinker 7.0/12 ············ ===1=110=01= 35.00
2: Rybka v2.2n2.mp.w32 5.0/12 ===0=001=10= ············ 35.00
12 of 50 games played
Name of the tournament: Arena tournament
Site/ Country: JORGE, United States
Level: Blitz 5/1
Hardware: AMD Sempron 3800+ AM2 with 1GB DDR2 RAM Memory
Operating system: Microsoft Windows XP Professional Service Pack 2 (Build 2600)
PGN-File: C:\Program Files\Arena\Arena.pgn
Website:
E-Mail Address: