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Up Topic Rybka Support & Discussion / Rybka Discussion / rybka against humans
- - By -valdimor- (**) Date 2007-05-22 06:21
hello,i just wanted to know what version of rybka is the best for play against humans?

and also is it best to choose the outlook to be optimistic?

i received rybka yesterday and to my surprise there is no version 2.2n2 nor 2.1d3 with the package,can i get these versions somehow?

thx

and BTW:my nickname is valdimor not vladimir :)
Parent - - By -valdimor- (**) Date 2007-05-22 08:14
anybody?
Parent - By Carl Bicknell (*****) Date 2007-05-22 08:38
This is a while back but I played a mini match with Rybka 1.2 against an I.M. Rybka played some odd chess (to me) but won comfortably - I guess we're getting used to this now.

As far as the different versions go - honestly - can ANY human outside the top 50 stand a chance of evening drawing with Rybka at proper time controls? I always go for the latest version becuase I feel that's what Vas has been working on so I'm interested to see his new work.
Parent - - By Gaмßito (****) Date 2007-05-22 09:39 Edited 2007-05-22 09:43
Hi,

I think this a difficult question to answer because Rybka did not play in many tournaments against humans to have a clear idea of what version is really better. When it played, it were not too many games. Also, many Rybka's version never played against humans in Oficial Tournaments, so based in Oficial tournaments and in that only few versions played sometime in tournaments, it is almost impossible to know which version is the best.

I think there are people that can answer your question with accuracy and these are the people that use Rybka to play in sites like ICC or Playchess. Some people there, have good experience and know well the style of each version and how good it play against the strong human players and I suppose there are some people here with this knowledge. But speaking about Oficial Tournaments, they have been truly a very few tournaments where Rybka played sometime. This is a pity.

Maybe, Vas need to speak with Rentero, to see if he allow to play Rybka in the next Linares 2008. :-)
I know that maybe many persons would oppose to a great experiment like this, but it will be very nice to see. Also there are a lot of very strong tournaments, where it will be very nice to see a machine playing against these very strong GM players. Of course, if this happens it would rise Rybka popularity at much higher levels. This is possible, but it is necessary to also have good contacts. As an experiment it would be wonderful, and the Rybka team until could accept that prizes could be smaller for them, in case the machine won the tournament. 

Unfortunately, the fear to play against a machine between the strong players is huge and lately it has been dispersed very quickly; they only accept to play a few games for gigantic quantities of money, what is really a shame.

Regards,
Gambitto.
Parent - - By diskamyl (**) Date 2007-05-22 10:10
I'm sorry I can't answer the original question, but I'd like to use this opportunity to ask for something.

could someone post all the games rybka played against humans above master rating?
Parent - By -valdimor- (**) Date 2007-05-22 10:35
i tought Rybka 2.3 LK was good because it doesn't trade pieces so easily,and humans like to do that when they play against engines

but of course any version of rybka can totally destroy even the strongest humans
Parent - - By Gaмßito (****) Date 2007-05-24 06:55
I can give you all the games that Rybka 1.2n played in the III Entel Chess Tournament in Chile.

Rybka won the tournament and played in great style.  Here are some stadistics:

1.  Rybka won 8 games and drew only 2 games. It reach 9.0/10!
 
2. Time control : 90 minutes +30 per move.  
 
3. 10 players: 4 GM's, 4 IM´s, 1 MF, A not titled player with 2208 elo

4. Rybka used a machine with a single core. AMD 3200+
 

 
                                          Cross Table
  --------------------------------------------------------------------------- 
RA     Nombre            Tí Fed Elo  Prog 1 2 3 4 5 6 7 8 9 0 1 Total Desem 
--------------------------------------------------------------------------- 
1. Rybka 1.2n                         2700 +158 * ½ 1 ½ 1 1 1 1 1 1 1 9.0/10       
2. Cordova,Emilio       MI PER 2440 +199 ½ * 0 1 0 ½ 1 1 1 1 1 7.0/10 27.75 
3. Granda,Julio         GM PER 2631  -10 0 1 * 0 ½ 1 ½ 1 1 1 1 7.0/10 27.50 
4. Leitao,Rafael        GM BRA 2575  +10 ½ 0 1 * 0 ½ ½ 1 1 1 1 6.5/10       
5. Felgaer,Ruben        GM ARG 2607  -64 0 1 ½ 1 * ½ ½ ½ 0 1 1 6.0/10       
6. Hellsten,Johan       GM SWE 2574  -64 0 ½ 0 ½ ½ * ½ 1 ½ 1 1 5.5/10       
7. Zambrana,Oswaldo     MI BOL 2405  +11 0 0 ½ ½ ½ ½ * 0 1 0 1 4.0/10       
8. Rojas,Luis           MI CHI 2423  -88 0 0 0 0 ½ 0 1 * 0 ½ 1 3.0/10       
9. Flores,Mauricio      MF CHI 2332  -34 0 0 0 0 1 ½ 0 1 * 0 0 2.5/10 11.75 
10. Arancibia,Eduardo   MI   CHI 2405 -114 0 0 0 0 0 0 1 ½ 1 * 0 2.5/10  8.00 
11. Alvarez,Julian          CHI 2208  +49 0 0 0 0 0 0 0 0 1 1 * 2.0/10       
--------------------------------------------------------------------------- 
 
  
[Event "Copa Entel 2006, "] 
[Site "Santiago de Chile, CHI, "] 
[Date "2006.03.22"] 
[Round "1"] 
[White "Rybka"] 
[Black "Granda, Julio"] 
[Result "1-0"] 
[WhiteElo "2700"] 
[BlackElo "2631"] 
[ECO "B19"] 
[PlyCount "93"] 
[EventDate "2006.03.22"] 
[SourceDate "2006.03.22"] 
 
1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. 
h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Qb3 Qb6 12. O-O e6 13. Bf4 Be7 14. 
Rfd1 O-O 15. c4 c5 16. d5 exd5 17. cxd5 Rfe8 18. d6 Bf8 19. Nh4 Qxb3 20. 
axb3 Kh7 21. Nf3 a5 22. Kf1 Ra6 23. Rd3 Re6 24. Re1 Rxe1+ 25. Kxe1 a4 26. 
Ne5 Nxe5 27. Bxe5 Nd7 28. Bf4 Rb6 29. bxa4 Rxb2 30. Bd2 Rb6 31. a5 Rxd6 32. 
Rb3 b6 33. a6 Rc6 34. a7 Rc8 35. Ne4 Ra8 36. Ra3 b5 37. Ra6 b4 38. Be3 b3 
39. Nd2 b2 40. Kd1 c4 41. Kc2 Nc5 42. Ra5 c3 43. Nb1 Ne4 44. Rb5 Bd6 45. 
Nxc3 Nxc3 46. Kxc3 Be5+ 47. Kc2 
1-0 
 
r7/P4ppk/7p/1R2b2P/8/4B3/1pK2PP1/8 b - - 0 47
 
 
 
 
[Event "Copa Entel 2006, "] 
[Site "Santiago de Chile, CHI, "] 
[Date "2006.03.23"] 
[Round "2"] 
[White "Leitao, Rafael"] 
[Black "Rybka"] 
[Result "1/2-1/2"] 
[WhiteElo "2575"] 
[BlackElo "2700"] 
[ECO "D37"] 
[PlyCount "85"] 
[EventDate "2006.03.22"] 
[SourceDate "2006.03.22"] 
 
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. 
cxd5 Nxd5 9. Nxd5 exd5 10. a3 Nc6 11. Bd3 Bb6 12. O-O Qf6 13. b4 Bf5 14. 
Rc1 d4 15. Bg5 Qg6 16. Bxf5 Qxf5 17. exd4 Nxd4 18. Be3 Nxf3+ 19. Qxf3 Qxf3 
20. gxf3 Rfd8 21. Rfd1 Kf8 22. Bxb6 Rxd1+ 23. Rxd1 axb6 24. Rd7 Rxa3 25. 
Rxb7 Rxf3 26. Rxb6 Ke7 27. Kg2 Rf5 28. b5 Kd7 29. h3 Kc7 30. Rc6+ Kb7 31. 
Rd6 Rc5 32. b6 Rc3 33. Rd7+ Kxb6 34. Rxf7 Rc7 35. Rf8 Kc5 36. Rd8 g6 37. 
Kg3 Ra7 38. h4 Ra1 39. h5 gxh5 40. Rh8 Ra7 41. Kh4 Rf7 42. Kxh5 Rxf2 43. 
Rxh7 
1/2-1/2 
 
8/7R/8/2k4K/8/8/5r2/8 b - - 0 43
 
 
 
 
[Event "Copa Entel 2006, "] 
[Site "Santiago de Chile, CHI, "] 
[Date "2006.03.23"] 
[Round "3"] 
[White "Rybka"] 
[Black "Flores, Mauricio"] 
[Result "1-0"] 
[WhiteElo "2700"] 
[BlackElo "2332"] 
[ECO "E10"] 
[PlyCount "49"] 
[EventDate "2006.03.22"] 
[SourceDate "2006.03.22"] 
 
1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 e6 5. dxe6 fxe6 6. cxb5 Bb7 7. Nc3 d5 8. 
e4 d4 9. e5 Nfd7 10. Ne2 Qc7 11. Nf4 Nxe5 12. Nxe6 Nxf3+ 13. Qxf3 Qa5+ 14. 
Bd2 Qxd2+ 15. Kxd2 Bxf3 16. gxf3 Bd6 17. Re1 Kf7 18. Bc4 Kf6 19. Bd5 Nd7 
20. Nxg7 Kxg7 21. Rhg1+ Kf8 22. Bxa8 Bxh2 23. Rg2 Bf4+ 24. Kd3 Nf6 25. Reg1 
1-0  
 
 
B4k1r/p6p/5n2/1Pp5/3p1b2/3K1P2/PP3PR1/6R1 b - - 0 25
 
 
 
[Event "Copa Entel 2006, "] 
[Site "Santiago de Chile, CHI, "] 
[Date "2006.03.25"] 
[Round "4"] 
[White "Hellsten, Johan"] 
[Black "Rybka"] 
[Result "0-1"] 
[WhiteElo "2574"] 
[BlackElo "2700"] 
[ECO "D36"] 
[PlyCount "128"] 
[EventDate "2006.03.22"] 
[SourceDate "2006.03.22"] 
 
1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Qc2 Nf6 6. Bg5 Be7 7. e3 O-O 8. 
Bd3 Nbd7 9. Nge2 Re8 10. O-O Nf8 11. f3 Kh8 12. Kh1 Ne6 13. Bh4 Bd7 14. 
Rad1 Rc8 15. Qb1 h6 16. Bc2 b5 17. b4 a5 18. a3 Ra8 19. Nc1 Qc7 20. Bg3 Qa7 
21. Nd3 axb4 22. axb4 Qa3 23. Ne2 Nd8 24. Nec1 Kg8 25. Rfe1 Bf5 26. Re2 Qa1 
27. Qxa1 Rxa1 28. Be1 Nd7 29. Bc3 Ra3 30. Bb2 Ra7 31. g4 Bh7 32. Bc3 Nb6 
33. Ne5 Bd6 34. Bxh7+ Kxh7 35. Kg2 Ra3 36. Bb2 Ra4 37. Bc3 Bxb4 38. Bxb4 
Rxb4 39. Ncd3 Rb3 40. Nc5 Ra3 41. Kf2 f6 42. Ned3 Ne6 43. Nxe6 Rxe6 44. Nc5 
Re8 45. h4 Kg6 46. h5+ Kf7 47. Rde1 Nc4 48. e4 Re7 49. exd5 Rxe2+ 50. Rxe2 
cxd5 51. Ne6 b4 52. Nd8+ Kf8 53. Ne6+ Kg8 54. Nf4 b3 55. Re8+ Kf7 56. Rb8 
b2 57. Rb7+ Ke8 58. Rb8+ Kd7 59. Nxd5 Ra1 60. Nc3 Rc1 61. Rb7+ Kd6 62. Rb3 
Rxc3 63. Rxc3 b1=Q 64. Rxc4 Qa2+ 
0-1 
 
8/6p1/3k1p1p/7P/2RP2P1/5P2/q4K2/8 w - - 0 65
 
 
 
 
[Event "Copa Entel 2006, "] 
[Site "Santiago de Chile, CHI, "] 
[Date "2006.03.25"] 
[Round "5"] 
[White "Rybka"] 
[Black "Arancibia, Eduardo"] 
[Result "1-0"] 
[WhiteElo "2700"] 
[BlackElo "2405"] 
[ECO "B07"] 
[PlyCount "93"] 
[EventDate "2006.03.22"] 
[SourceDate "2006.03.22"] 
 
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 Be7 5. g3 O-O 6. Bg2 c6 7. O-O Nbd7 8. 
a4 Re8 9. h3 Bf8 10. Re1 a5 11. Bg5 h6 12. Be3 Qc7 13. Qd2 exd4 14. Bxd4 b6 
15. b3 Rb8 16. Rad1 Bb7 17. Qc1 Rbd8 18. Qb2 Qb8 19. Qa1 Qc7 20. Qc1 Qb8 
21. Nf4 Qc7 22. Qe3 d5 23. Qc1 Nxe4 24. Nxe4 dxe4 25. Rxe4 Rxe4 26. Bxe4 c5 
27. Bxb7 cxd4 28. Bf3 Nf6 29. Kg2 Bc5 30. Qd2 Rd7 31. h4 Bb4 32. Qd3 Bf8 
33. Ne2 Bc5 34. Qc4 Qd8 35. h5 Rd6 36. Nf4 Kf8 37. Nd3 Qc7 38. b4 axb4 39. 
a5 Rd7 40. a6 Ne8 41. Ra1 Nd6 42. Qd5 Nb5 43. Qe4 Na7 44. Qh7 Ke8 45. Bg4 
Qc6+ 46. Kg1 Rd6 47. Re1+ 
1-0 
 
4k3/n4ppQ/Ppqr3p/2b4P/1p1p2B1/3N2P1/2P2P2/4R1K1 b - - 0 47
 
 
 
 
[Event "Copa Entel 2006, "] 
[Site "Santiago de Chile, CHI, "] 
[Date "2006.03.26"] 
[Round "6"] 
[White "Zambrana, Oswaldo"] 
[Black "Rybka"] 
[Result "0-1"] 
[WhiteElo "2405"] 
[BlackElo "2700"] 
[ECO "B41"] 
[PlyCount "68"] 
[EventDate "2006.03.22"] 
[SourceDate "2006.03.22"] 
 
1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. 
Ne2 Qc7 9. a3 Be7 10. f3 Ne5 11. Be3 O-O 12. Rc1 Bc5 13. Nd4 d6 14. b4 Ba7 
15. O-O Bd7 16. Be2 Rac8 17. Na4 Qb8 18. Nb2 Rfd8 19. Qe1 h6 20. Qf2 Bb6 
21. Nb3 Bxe3 22. Qxe3 Ng6 23. Rfd1 d5 24. exd5 exd5 25. c5 Re8 26. Qf2 Re7 
27. Bf1 Rce8 28. Re1 Ne5 29. h3 Bxh3 30. Rxe5 Rxe5 31. gxh3 Rg5+ 32. Bg2 
Nh5 33. Nd3 Re6 34. Rc2 Nf4 
0-1 
 
1q4k1/1p3pp1/p3r2p/2Pp2r1/1P3n2/PN1N1P1P/2R2QB1/6K1 w - - 0 35
 
 
 
 
[Event "Copa Entel 2006, "] 
[Site "Santiago de Chile, CHI, "] 
[Date "2006.03.27"] 
[Round "7"] 
[White "Rybka"] 
[Black "Cordova, Emilio"] 
[Result "1/2-1/2"] 
[WhiteElo "2700"] 
[BlackElo "2440"] 
[ECO "B25"] 
[PlyCount "148"] 
[EventDate "2006.03.22"] 
[SourceDate "2006.03.22"] 
 
1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 d6 5. Nc3 Bg7 6. f4 Nd4 7. Nf3 Bg4 8. 
Nd5 Bxf3 9. Bxf3 e6 10. Ne3 Nxf3+ 11. Qxf3 Qd7 12. O-O f5 13. exf5 gxf5 14. 
Rb1 Nf6 15. b4 cxb4 16. Rxb4 Rb8 17. Bb2 O-O 18. a4 b5 19. Bxf6 Bxf6 20. 
Rfb1 a6 21. axb5 Rxb5 22. c4 Rxb4 23. Rxb4 Rc8 24. Kf2 Bd4 25. Rb7 Rc7 26. 
Rb8+ Rc8 27. Qb7 Qxb7 28. Rxb7 Ra8 29. Rd7 Bc5 30. d4 Bxd4 31. Rxd6 e5 32. 
fxe5 Bxe5 33. Rd5 Bf6 34. Rxf5 Kg7 35. Nd5 Bd4+ 36. Ke2 Rb8 37. Nf4 Bg1 38. 
h3 Kg8 39. Kd2 Rb3 40. g4 Rf3 41. Ne6 Rxf5 42. gxf5 Kf7 43. Kd3 a5 44. c5 
a4 45. c6 Bh2 46. Kc4 Kf6 47. Nc5 a3 48. Kb3 Kxf5 49. Kxa3 Bc7 50. Kb4 Ke5 
51. Kb5 Kd5 52. Nd7 h5 53. Nf6+ Ke6 54. Ne8 Be5 55. Ka5 h4 56. Kb6 Ke7 57. 
Nc7 Kd8 58. Ne6+ Kc8 59. Kc5 Bg3 60. Kd5 Be1 61. Ke5 Bf2 62. Ke4 Be1 63. 
Kd5 Bf2 64. Kd6 Bg3+ 65. Kc5 Bf2+ 66. Kb4 Bg3 67. Kc3 Be5+ 68. Kd3 Bh2 69. 
Ke3 Bg3 70. Kd4 Bf2+ 71. Kd3 Bg3 72. Ke3 Bh2 73. Ke4 Bg3 74. Nd4 Kc7 
1/2-1/2 
 
8/2k5/2P5/8/3NK2p/6bP/8/8 w - - 0 75
 
 
 
 
[Event "Copa Entel 2006, "] 
[Site "Santiago de Chile, CHI, "] 
[Date "2006.03.27"] 
[Round "8"] 
[White "Felgaer, Ruben"] 
[Black "Rybka"] 
[Result "0-1"] 
[WhiteElo "2607"] 
[BlackElo "2700"] 
[ECO "B51"] 
[PlyCount "76"] 
[EventDate "2006.03.22"] 
[SourceDate "2006.03.22"] 
 
1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Nf6 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 h6 
8. Be3 Be7 9. a4 O-O 10. O-O Nb8 11. Bc4 Nc6 12. Nd5 Nxd5 13. Qxd5 Be6 14. 
Qd3 Nb4 15. Qb3 Bxc4 16. Qxc4 d5 17. Qb3 dxe4 18. Nxe5 Qd5 19. Qxd5 Nxd5 
20. Bd4 Nb4 21. Rac1 Bg5 22. Be3 Bxe3 23. fxe3 f6 24. c3 Na6 25. Ng6 Rfd8 
26. b4 Kh7 27. Nf4 Rac8 28. Rc2 Rc4 29. Rfc1 Nc7 30. Kf2 g5 31. Ne2 Rd3 32. 
Nd4 Nd5 33. Nf5 Kg6 34. Nd6 Rcxc3 35. Nxe4 Rxc2+ 36. Rxc2 Nxe3 37. Nc5 Ra3 
38. Rd2 b6 
0-1 
 
8/p7/1p3pkp/2N3p1/PP6/r3n3/3R1KPP/8 w - - 0 39
 
 
 
 
[Event "Copa Entel 2006, "] 
[Site "Santiago de Chile, CHI, "] 
[Date "2006.03.28"] 
[Round "9"] 
[White "Rybka"] 
[Black "Rojas, Luis"] 
[Result "1-0"] 
[WhiteElo "2700"] 
[BlackElo "2423"] 
[ECO "D90"] 
[PlyCount "103"] 
[EventDate "2006.03.22"] 
[SourceDate "2006.03.22"] 
 
1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 d5 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxc4 O-O 
8. Bf4 c6 9. e4 Bg4 10. Be2 Nfd7 11. Qb3 Qb6 12. O-O-O Bxf3 13. Bxf3 e5 14. 
dxe5 Nxe5 15. Qxb6 axb6 16. Be2 b5 17. a3 Na6 18. Be3 Rfe8 19. f3 Nc4 20. 
Bxc4 bxc4 21. Bb6 Re7 22. Kc2 Be5 23. g3 Bc7 24. Na4 f5 25. exf5 gxf5 26. 
Bxc7 Nxc7 27. Nb6 Re2+ 28. Kc1 Rae8 29. Nxc4 b5 30. Na5 Nd5 31. Rd2 b4 32. 
a4 R2e6 33. Nc4 b3 34. Rd3 Rb8 35. a5 Rb5 36. Kd2 Rb4 37. Rd4 Ra4 38. Re1 
Rxe1 39. Kxe1 Kg7 40. Kd2 Ra1 41. Kd3 Ra2 42. g4 fxg4 43. Rxg4+ Kf6 44. Kd4 
Ra4 45. Rg8 Ne3 46. Kxe3 Rxc4 47. a6 Ra4 48. Ra8 Kg7 49. f4 c5 50. a7 c4 
51. Kd4 Ra2 52. f5 
1-0 
 
R7/P5kp/8/5P2/2pK4/1p6/rP5P/8 b - - 0 52
 
 
 
[Event "Copa Entel 2006, "] 
[Site "Santiago de Chile, CHI, "] 
[Date "2006.03.28"] 
[Round "10"] 
[White "Alvarez, Julian"] 
[Black "Rybka"] 
[Result "0-1"] 
[WhiteElo "2332"] 
[BlackElo "2700"] 
[ECO "C85"] 
[PlyCount "88"] 
[EventDate "2006.03.22"] 
[SourceDate "2006.03.22"] 
 
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. Qe2 Bd6 
8. d3 O-O 9. Nbd2 b5 10. a4 Bd7 11. b3 Qe7 12. Re1 Nh5 13. Nf1 Bb4 14. Bd2 
Nf4 15. Qe3 Bd6 16. Ng3 g6 17. d4 f6 18. a5 Rad8 19. Rad1 Bg4 20. h3 exd4 
21. Nxd4 Bxd1 22. Nxc6 Qd7 23. Nxd8 Bxc2 24. Nb7 Nd3 25. Re2 Be7 26. Bc3 
Bxb3 27. e5 fxe5 28. Rd2 Bc4 29. Ne4 Qc6 30. Rxd3 Bxd3 31. Qxd3 Qxb7 32. 
Bxe5 c5 33. Bb2 Rd8 34. Qc3 Rd4 35. f3 Qd5 36. Qe3 Rd1+ 37. Kh2 b4 38. Qh6 
Qf7 39. Qe3 c4 40. Be5 Qe6 41. f4 c3 42. Qe2 Rd8 43. Nf2 b3 44. Ng4 h5 
0-1 
 
3r2k1/4b3/p3q1p1/P3B2p/5PN1/1pp4P/4Q1PK/8 w - h6 0 45
 


Regards,
Gambitto.
 
 
 
 
 
 
 
 
 
 
 
Parent - By diskamyl (**) Date 2007-05-24 09:32
thanks gambitto, that was what I was looking for.
Parent - - By Vasik Rajlich (Silver) Date 2007-05-23 06:43
The one thing I can add to this is that Rybka 2.3LK, Rybka 2.3.1, and all future Rybka versions, are a bit more averse to trading pieces in worse positions. Many test games against various humans show them to be better at handicap play.

Vas
Parent - - By -valdimor- (**) Date 2007-05-24 10:19
wow thanks man

i have rybka 1.2 but there is not a letter like n or f in frond of it

is it most likely n or f?

also i read in rybkachess that if you put the contempt to a positive number it doesn't draw with weak players,i have set it to 1 is this good?

and sometimes when rybka can eat a pawn in the opening most of the times it doesn't,is this because she wants do have positional advantage or it's a bug?

these are typical newbie question that i'm gonna ask for a while untill i become experts like you people here
Parent - By Vasik Rajlich (Silver) Date 2007-05-25 07:19
Rybka 1.2f and 1.2n are very slightly improved versions of 1.2, you should have gotten them via email last year.

Contempt does what you say, but a value of 1 will do almost nothing. 10 or 15 is better.

And yes, Rybka is not very materialistic compared to other chess engines. It's just what I felt was best.

Vas
Up Topic Rybka Support & Discussion / Rybka Discussion / rybka against humans

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