Zevra v2.0 r146 beta

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sovaz1997
Posts: 261
Joined: Sun Nov 13, 2016 10:37 am

Re: Zevra v2.0 r146 beta

Post by sovaz1997 »

Yes, great game :D

Zevra likes to attack :)
Some games from Graham tournament (71st Amateur Series Division 8): http://talkchess.com/forum3/viewtopic.php?f=6&t=68756

[pgn] [Event "71st Amateur D8"] [Site "ChessGUI"] [Date "2018.11.07"] [Round "2.3"] [White "Galjoen 0.39.2 64-bit"] [Black "Zevra 2.0 r172 64-bit"] [Result "0-1"] [ECO "C65"] [Opening "Spanish"] [Time "8:09:32 p.m."] [Variation "Berlin, 4.d3 Bc5"] [TimeControl "40/1500:40/1500:40/1500"] [Termination "normal"] [PlyCount "101"] [WhiteType "human"] [BlackType "human"] {Intel i5 Quad} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. O-O Qd6 7. h3 O-O 8. Qe2 Nh5 9. Be3 Nf4 10. Bxf4 exf4 11. Nc3 Qg6 12. d4 Be7 13. Kh1 Qh6 14. Rad1 Re8 15. Kg1 Bf6 16. Qc4 Qg6 17. Kh1 Be6 18. Qb4 b6 19. Qa4 b5 20. Qa5 a6 21. a3 Rec8 22. Rfe1 Qh5 23. e5 Be7 24. Rd3 g5 25. Kg1 Qg6 26. Ne4 h5 27. Nfd2 g4 28. hxg4 hxg4 29. f3 g3 30. Nf1 Qh6 31. Qd2 Qh4 32. Nf6+ Bxf6 33. exf6 Bd5 34. b3 Kh7 35. c4 bxc4 36. bxc4 Rh8 37. cxd5 cxd5 38. Nxg3 fxg3 39. Rde3 Kg6 40. Qd3+ Kxf6 41. Kf1 Rab8 42. Re7 Qh1+ 43. Ke2 Qxg2+ 44. Kd1 Qh3 45. Qc2 Qh5 46. Qd3 g2 47. R7e5 Qh7 48. Qxh7 Rxh7 49. Kc2 Rh1 50. R5e2 g1=Q 51. Rxg1 0-1 [/pgn]

[pgn] [Event "71st Amateur D8"] [Site "ChessGUI"] [Date "2018.11.09"] [Round "21.2"] [White "Asymptote 0.3 64-bit"] [Black "Zevra 2.0 r172 64-bit"] [Result "0-1"] [ECO "A40"] [Opening "Queen's Pawn"] [Time "8:21:23 a.m."] [Variation "1...e6"] [TimeControl "40/1500:40/1500:40/1500"] [Termination "normal"] [PlyCount "93"] [WhiteType "human"] [BlackType "human"] {Intel i5 Quad} 1. d4 e6 2. Bf4 f5 3. Nf3 Nf6 4. c3 d5 5. e3 Bd6 6. Bg3 O-O 7. Bd3 Ne4 8. Nbd2 Nd7 9. Qe2 Qe7 10. O-O-O Rb8 11. Bxd6 cxd6 12. Nb3 Nb6 13. Ne1 e5 14. f4 Qc7 15. fxe5 dxe5 16. dxe5 Qxe5 17. Nf3 Qc7 18. Nbd4 a6 19. Qc2 Bd7 20. Kb1 Rbe8 21. Rhf1 Rf6 22. g3 Nc4 23. Bxc4 dxc4 24. Ka1 Kh8 25. Qe2 b5 26. Nc2 a5 27. Rfe1 Rb6 28. Nd2 Nc5 29. Nd4 g6 30. Qf1 Nd3 31. Re2 b4 32. Qh1 Ba4 33. Rb1 Qc5 34. h4 Reb8 35. h5 g5 36. cxb4 axb4 37. Qf1 Ra8 38. b3 cxb3 39. Rxb3 Nc1 40. Kb1 Nxe2 41. Qxe2 Bxb3 42. N2xb3 Qe5 43. Qf3 Rba6 44. Nc1 Ra3 45. Qxf5 Rxe3 46. Qxe5+ Rxe5 47. Nc2 0-1 [/pgn]

[pgn] [Event "71st Amateur D8"] [Site "ChessGUI"] [Date "2018.11.14"] [Round "44.1"] [White "Joker2 0.7.7 64-bit"] [Black "Zevra 2.0 r172 64-bit"] [Result "0-1"] [ECO "A41"] [Opening "Neo-Old Indian"] [Time "6:32:33 p.m."] [Variation "2.Nf3"] [TimeControl "40/1500:40/1500:40/1500"] [Termination "normal"] [PlyCount "100"] [WhiteType "human"] [BlackType "human"] {Intel i5 Quad} 1. Nf3 d6 2. d4 f5 3. Nc3 Nf6 4. Bg5 Nbd7 5. Qd3 g6 6. h3 Bg7 7. g4 Nb6 8. O-O-O O-O 9. Bxf6 exf6 10. Rg1 d5 11. g5 fxg5 12. Nxg5 Qd6 13. Bg2 c6 14. Nf3 f4 15. Nb1 Re8 16. Rde1 Bf5 17. Qd1 Bf6 18. Nbd2 c5 19. Nb1 Nc4 20. b3 Nb6 21. Qd2 c4 22. c3 cxb3 23. axb3 a5 24. Qb2 Rec8 25. Kd2 a4 26. Rc1 Re8 27. Kd1 a3 28. Qa2 Qe6 29. Rh1 Kh8 30. h4 Ra6 31. h5 g5 32. Ne1 g4 33. Bf1 g3 34. f3 Raa8 35. Ng2 Qe7 36. Nd2 Bg5 37. Ne1 h6 38. Ng2 Rg8 39. Ke1 Rgf8 40. Kd1 Rfe8 41. Qa1 Rec8 42. Qa2 Rc7 43. Ne1 Qe3 44. Ng2 Qf2 45. Ne1 Rf7 46. Nb1 Kg8 47. Bg2 Re7 48. Bf1 Re6 49. Nd2 Kh8 50. Ng2 Rae8 0-1 [/pgn]

I like the attacking and suffocating style. While I'm working more on the search, but I will keep the style :)
Zevra 2 is my chess engine. Binary, source and description here: https://github.com/sovaz1997/Zevra2
Zevra v2.5 is last version of Zevra: https://github.com/sovaz1997/Zevra2/releases
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sovaz1997
Posts: 261
Joined: Sun Nov 13, 2016 10:37 am

Re: Zevra v2.0 r146 beta

Post by sovaz1997 »

And here:

[pgn] [Event "71st Amateur D8"] [Site "ChessGUI"] [Date "2018.11.09"] [Round "20.3"] [White "FireFly 2.7.2 64-bit"] [Black "Zevra 2.0 r172 64-bit"] [Result "1-0"] [ECO "C92"] [Opening "Spanish"] [Time "6:56:12 a.m."] [Variation "Closed, Zaitsev, 11.Nbd2"] [TimeControl "40/1500:40/1500:40/1500"] [Termination "normal"] [PlyCount "148"] [WhiteType "human"] [BlackType "human"] {Intel i5 Quad} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. d5 Ne7 13. Nf1 c6 14. Bg5 cxd5 15. Bxf6 gxf6 16. exd5 f5 17. a4 Bg7 18. Ng3 Qd7 19. Nh5 Bh8 20. Qd2 f4 21. Qc2 h6 22. Qd3 f5 23. Nd2 Kh7 24. axb5 axb5 25. Rxa8 Rxa8 26. c4 bxc4 27. Bxc4 Qe8 28. Qe2 Nxd5 29. Bxd5 Bxd5 30. Nxf4 Bf7 31. Qd3 Qd7 32. Ne2 d5 33. b4 e4 34. Qe3 d4 35. Qf4 d3 36. Ng3 Bg6 37. h4 h5 38. Rd1 Bg7 39. Rc1 Ra7 40. Ngf1 Rb7 41. Ne3 Rxb4 42. Rc7 Qe6 43. g4 hxg4 44. h5 Bxh5 45. Qxf5+ Qg6 46. Qa5 Rb8 47. Rc5 Rf8 48. Rxh5+ Bh6 49. Rh4 g3 50. Qc7+ Rf7 51. Qxg3 Qxg3+ 52. fxg3 Kg7 53. Rxe4 Kg8 54. Nec4 Rd7 55. Kf2 Rd8 56. g4 Bg5 57. Nf3 Bc1 58. Ke1 Ra8 59. Rd4 Ra4 60. Nce5 Ra1 61. Rd8+ Kg7 62. Rd7+ Kf6 63. Nxd3 Bf4+ 64. Kf2 Ra2+ 65. Kf1 Ra1+ 66. Kg2 Ra2+ 67. Kh3 Ra3 68. Rd4 Be3 69. Rd5 Kg7 70. Kg3 Kf7 71. Nf4 Ra4 72. Ng5+ Kg8 73. Rd8+ Kg7 74. Nh5+ Kh6 1-0 [/pgn]

Zevra slightly overestimated their chances and lost
Zevra 2 is my chess engine. Binary, source and description here: https://github.com/sovaz1997/Zevra2
Zevra v2.5 is last version of Zevra: https://github.com/sovaz1997/Zevra2/releases
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sovaz1997
Posts: 261
Joined: Sun Nov 13, 2016 10:37 am

Re: Zevra v2.0 r146 beta

Post by sovaz1997 »

New test results (Zevra Gauntlet) 60s+0.6s 64mb:

Code: Select all

# PLAYER                      :  RATING  ERROR  POINTS  PLAYED   (%)  CFS(%)     W    D     L  D(%)  OppAvg
   1 GreKo 2018.08               :  2826.2   29.1  1877.0    2000    94     100  1810  134    56     7  2328.5
   2 Asymptote v0.3              :  2550.2   32.1   383.5     600    64     100   324  119   157    20  2449.1
   3 Zevra v2.1.1 r216           :  2468.6   22.3  1005.5    1800    56     100   868  275   657    15  2430.3
   4 Zevra v2.0 r172             :  2429.6   22.9   929.5    1800    52      91   799  261   740    15  2430.3
   5 Galjoen 0.39.2              :  2414.8   17.6  1230.5    2000    62     100  1041  379   580    19  2328.5
   6 Isa 2.0.64                  :  2325.9   33.4   199.5     600    33      91   146  107   347    18  2449.1
   7 Zevra v1.8.6 r672 popcnt    :  2303.6   16.9  1715.0    3700    46     100  1174  682  1644    19  2391.8
   8 CT800 V1.31 64 bit          :  2266.6   17.3   837.5    2000    42      88   644  387   969    19  2328.5
   9 Baislicka                   :  2253.5   18.1   654.0    1400    47      65   501  306   593    22  2276.8
  10 Zevra v1.8.5 r664           :  2250.0   ----  1304.0    3500    37     100   981  646  1873    18  2391.8
  11 Hedgehog 1.9 64-bit         :  2198.1   17.4   664.0    2000    33     ---   448  432  1120    22  2328.5

White advantage = 28.12 +/- 3.45
Draw rate (equal opponents) = 21.33 % +/- 0.46
https://sites.google.com/view/scet-testing/zevra
PGN
Zevra 2 is my chess engine. Binary, source and description here: https://github.com/sovaz1997/Zevra2
Zevra v2.5 is last version of Zevra: https://github.com/sovaz1997/Zevra2/releases
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sovaz1997
Posts: 261
Joined: Sun Nov 13, 2016 10:37 am

Re: Zevra v2.0 r146 beta

Post by sovaz1997 »

New logo:

Image

I am not a designer, suggest ideas for improvement. Thanks!
Zevra 2 is my chess engine. Binary, source and description here: https://github.com/sovaz1997/Zevra2
Zevra v2.5 is last version of Zevra: https://github.com/sovaz1997/Zevra2/releases
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