Celestial and Ozmania (source code)

[Norbert Raimund Leisner]

Hello,

what is your opinion about these (upcomimg) chess programs?

https://github.com/pea-pousset/APE

https://github.com/FaydSpeare/Celestial/

https://github.com/dylanagreen/chrysaora

https://github.com/osmanre263/Ozmania/

Regards,
Norbert

[Guenther]

https://github.com/osmanre263/Ozmania/

Regards,
Norbert

While checking this one, which owes too much from Vice & Wuttang and modified Vice eval from Casper!,
I found Casper (Chess), which IMHO is deviated enough from Vice basics to be added to my XB/UCI chronology.

https://github.com/shikharsrivastava/Ca ... ess-Engine

As a sidenote, I couldn't care less normally to check anonymous github accounts with practically no commits,
just like Ozmania - this was a big exception, the rate of crap for those would be >80%.

I have just looked shortly at the others, Celestial and Chrysaora look interesting. (Ape probably not so)
What the hell is NIM?

[Guenther]

https://github.com/shikharsrivastava/Ca ... ess-Engine

[pgn][Event "My Tournament"] [Site "RWBC Win7U-64 Q8200 2.33Ghz Nvidia GT 710"] [Date "2019.04.30"] [Round "1"] [White "Casper_160628-64"] [Black "Abrok_50"] [Result "0-1"] [ECO "D00"] [Opening "Levitsky attack (Queen's Bishop attack)"] [PlyCount "96"] [TimeControl "40/240"] 1. d4 {book} d5 {book} 2. Bg5 {book} c6 {book} 3. c3 {book} h6 {book} 4. Bf4 {+0.20/7 6.42s} Bf5 {+0.02/13 7.77s} 5. Nf3 {+0.05/6 6.44s} g5 {+0.04/13 7.65s} 6. Bxb8 {+0.20/7 6.43s} Qxb8 {+0.16/12 7.39s} 7. e3 {+0.05/6 6.43s} e6 {+0.14/13 9.84s} 8. Bd3 {0.00/6 6.45s} Bxd3 {+0.34/13 6.82s} 9. Qxd3 {-0.05/7 6.46s} Bd6 {+0.16/14 12.57s} 10. h3 {-0.05/6 6.44s} Qc7 {+0.12/12 6.17s} 11. Nbd2 {0.00/6 6.46s} Qb6 {-0.02/12 8.33s} 12. O-O-O {+0.10/6 6.46s} Nf6 {+0.04/12 5.86s} 13. e4 {+0.15/6 6.45s} Nxe4 {+0.20/11 3.97s} 14. Nxe4 {+0.20/6 6.46s} dxe4 {+0.04/12 6.02s} 15. Qxe4 {+0.20/6 6.45s} Qb5 {+0.20/12 5.42s} 16. Rhe1 {+0.20/6 6.46s} Qd5 {+0.24/12 5.35s} 17. Kb1 {+0.30/6 6.46s} Qxe4+ {+0.18/13 5.44s} 18. Rxe4 {+0.25/6 6.46s} Ke7 {+0.10/14 6.92s} 19. c4 {+0.30/6 6.46s} f5 {+0.22/13 6.58s} 20. Re3 {+0.30/6 6.48s} Kf6 {+0.22/13 6.20s} 21. Rb3 {+0.30/6 6.47s} Rab8 {+0.24/13 5.94s} 22. c5 {+0.30/7 6.47s} Bc7 {+0.14/14 6.07s} 23. Ra3 {+0.35/7 6.47s} a6 {+0.34/13 5.79s} 24. Kc2 {+0.30/7 6.48s} Rhd8 {+0.32/13 4.07s} 25. Rad3 {+0.25/6 6.47s} Rd5 {+0.42/13 4.19s} 26. Kb1 {+0.25/6 6.49s} Rbd8 {+0.52/13 8.27s} 27. Rb3 {+0.20/6 6.49s} g4 {+0.84/13 5.55s} 28. hxg4 {+0.30/7 6.49s} fxg4 {+0.86/13 6.61s} 29. Rxb7 {+0.30/7 6.50s} gxf3 {+1.56/13 4.63s} 30. Rxc7 {+0.15/8 6.50s} fxg2 {+1.68/13 5.06s} 31. Rg1 {-0.60/7 6.50s} Rg8 {+1.84/14 5.98s} 32. Rxc6 {+0.10/7 6.49s} Rh5 {+1.82/14 6.29s} 33. d5 {+0.05/7 6.52s} Rxd5 {+1.92/13 4.90s} 34. Rxa6 {-0.20/7 6.51s} Rxc5 {+2.26/13 5.99s} 35. Ra4 {-0.15/7 6.54s} Rh5 {+2.84/13 5.79s} 36. Rf4+ {-0.20/7 6.55s} Rf5 {+3.02/14 6.07s} 37. Rxf5+ {-0.25/7 6.55s} exf5 {+3.16/12 6.88s} 38. f4 {-0.20/8 6.56s} h5 {+3.72/10 6.88s} 39. Kc1 {-4.40/8 6.60s} h4 {+5.28/7 5.63s} 40. Kd2 {-5.70/8 6.64s} h3 {+9.90/7 5.61s} 41. Rc1 {-7.85/7 5.95s} g1=Q {+15.16/10 12.13s} 42. Rc6+ {-13.30/7 5.96s} Ke7 {+19.12/9 11.52s} 43. Rc7+ {-13.30/6 5.95s} Kd6 {+M28/11 7.55s} 44. Rb7 {-15.75/6 5.96s} Qd4+ {+M12/11 10.57s} 45. Kc2 {-289.92/5 5.96s} Rg2+ {+M12/10 8.90s} 46. Kb3 {-289.94/6 5.95s} Rg3+ {+M12/11 9.60s} 47. Kc2 {-289.96/6 5.97s} Qd3+ {+M8/8 0.55s} 48. Kc1 {-289.98/6 5.97s} Rg1# {+M4/4 0.018s, Black mates} 0-1 [Event "My Tournament"] [Site "RWBC Win7U-64 Q8200 2.33Ghz Nvidia GT 710"] [Date "2019.04.30"] [Round "1"] [White "Abrok_50"] [Black "Casper_160628-64"] [Result "1-0"] [ECO "D00"] [Opening "Levitsky attack (Queen's Bishop attack)"] [PlyCount "95"] [TimeControl "40/240"] 1. d4 {book} d5 {book} 2. Bg5 {book} c6 {book} 3. c3 {book} h6 {book} 4. Bf4 {-0.02/14 7.91s} Bf5 {-0.20/6 6.46s} 5. e3 {0.00/13 7.64s} Qb6 {-0.25/6 6.43s} 6. b3 {+0.04/12 5.80s} Nf6 {-0.15/6 6.44s} 7. Bd3 {+0.06/12 5.38s} Bxd3 {0.00/7 6.44s} 8. Qxd3 {0.00/13 7.01s} e6 {-0.15/6 6.44s} 9. Nf3 {+0.28/13 6.79s} Nbd7 {-0.05/6 6.46s} 10. Nbd2 {+0.16/13 8.07s} c5 {-0.10/6 6.45s} 11. O-O {+0.26/12 7.24s} Bd6 {-0.05/6 6.45s} 12. Bxd6 {+0.40/11 5.28s} Qxd6 {0.00/7 6.45s} 13. Rfe1 {+0.24/12 6.29s} O-O-O {+0.05/6 6.45s} 14. c4 {+0.30/11 4.80s} Rhe8 {+0.10/6 6.45s} 15. cxd5 {+0.36/11 8.26s} exd5 {+0.10/6 6.45s} 16. dxc5 {+0.34/12 6.58s} Nxc5 {+0.20/6 6.46s} 17. Qb5 {+0.40/12 6.25s} a6 {+0.25/6 6.45s} 18. Qb4 {+0.36/12 4.46s} Nce4 {+0.20/6 6.47s} 19. Rac1+ {+0.34/11 4.50s} Kb8 {+0.10/6 6.46s} 20. Qd4 {+0.14/12 7.70s} Nxd2 {+0.20/6 6.47s} 21. Qxd2 {+0.36/12 5.68s} Ne4 {+0.20/6 6.47s} 22. Qd4 {+0.30/13 6.39s} Qf8 {+0.20/6 6.47s} 23. Rc2 {+0.88/11 6.39s} f6 {+0.20/6 6.47s} 24. Nh4 {+0.88/12 6.39s} Qf7 {+0.20/6 6.48s} 25. Rec1 {+1.08/12 4.71s} Qh5 {+0.30/6 6.47s} 26. Nf3 {+1.18/13 6.51s} Qf7 {+0.25/6 6.49s} 27. Qb6 {+1.20/12 6.50s} Rc8 {+0.15/6 6.49s} 28. Nd4 {+3.10/12 4.55s} Rxc2 {-1.00/6 6.49s} 29. Rxc2 {+2.96/13 9.75s} Rc8 {-1.90/6 6.50s} 30. Nc6+ {+3.10/14 6.38s} Rxc6 {-2.00/7 6.50s} 31. Rxc6 {+3.12/14 12.76s} Qd7 {-2.00/7 6.50s} 32. Rc2 {+2.96/14 8.44s} f5 {-2.05/6 6.51s} 33. Qd4 {+3.54/13 6.53s} Ka8 {-3.05/6 6.51s} 34. f3 {+3.74/13 5.15s} Nf6 {-2.30/7 6.52s} 35. Qe5 {+3.94/13 3.81s} Ne8 {-3.20/7 6.53s} 36. Rc5 {+4.32/13 5.43s} g6 {-3.55/7 6.54s} 37. Rxd5 {+7.08/12 4.06s} Qc8 {-3.65/7 6.54s} 38. Qd4 {+7.78/12 5.87s} Qc1+ {-5.80/7 6.56s} 39. Kf2 {+8.06/11 4.67s} Qc2+ {-5.80/6 6.59s} 40. Kg3 {+8.18/12 7.06s} Kb8 {-6.60/6 6.64s} 41. Rd8+ {+14.26/12 6.14s} Kc7 {-8.70/6 5.96s} 42. Rxe8 {+M32/11 5.15s} f4+ {-8.70/5 5.95s} 43. Qxf4+ {+M24/14 8.53s} Kb6 {-9.00/5 5.95s} 44. Qb4+ {+M16/13 8.77s} Kc7 {-289.92/6 5.96s} 45. Re7+ {+M12/12 0.60s} Kc6 {-289.94/6 5.94s} 46. Re6+ {+M12/12 1.66s} Kd7 {-289.96/6 5.96s} 47. Qd6+ {+M8/8 0.067s} Kc8 {-289.98/6 5.97s} 48. Re8# {+M4/4 0.007s, White mates} 1-0 [Event "My Tournament"] [Site "RWBC Win7U-64 Q8200 2.33Ghz Nvidia GT 710"] [Date "2019.04.30"] [Round "2"] [White "Casper_160628-64"] [Black "Abrok_50"] [Result "0-1"] [ECO "D02"] [Opening "Queen's pawn game"] [PlyCount "94"] [TimeControl "40/240"] 1. d4 {book} d5 {book} 2. Nf3 {book} e6 {book} 3. e3 {book} c6 {book} 4. Bd3 {+0.20/6 6.45s} c5 {-0.50/11 8.60s} 5. Nc3 {+0.20/6 6.45s} c4 {-0.08/12 6.97s} 6. Be2 {+0.25/6 6.44s} Nf6 {-0.30/13 11.38s} 7. Bd2 {+0.15/6 6.45s} Nc6 {-0.20/12 6.29s} 8. Ne5 {+0.10/6 6.43s} Nxe5 {+0.20/12 6.29s} 9. dxe5 {+0.15/7 6.45s} Nd7 {+0.08/13 6.59s} 10. f4 {+0.15/6 6.45s} Bc5 {+0.08/11 4.43s} 11. e4 {+0.15/6 6.45s} O-O {+0.46/11 6.22s} 12. Bf3 {+0.25/6 6.44s} d4 {+0.98/11 5.86s} 13. Nb5 {+0.15/7 6.45s} Qb6 {+1.06/11 5.45s} 14. a4 {+0.10/6 6.44s} a6 {+0.96/11 4.35s} 15. Na3 {0.00/7 6.46s} Bxa3 {+0.88/12 5.28s} 16. bxa3 {-0.05/7 6.46s} c3 {+0.70/13 6.37s} 17. Bc1 {-0.05/7 6.45s} Nb8 {+0.68/12 6.08s} 18. a5 {+0.05/6 6.47s} Qd8 {+0.58/13 4.37s} 19. a4 {+0.05/7 6.47s} Nc6 {+0.42/13 7.56s} 20. Ba3 {-0.85/7 6.47s} Re8 {+0.36/13 8.89s} 21. Bh5 {-0.95/6 6.47s} d3 {+0.84/11 5.96s} 22. cxd3 {-0.95/6 6.47s} c2 {+0.90/11 4.43s} 23. Qe2 {-1.00/6 6.47s} Nd4 {+1.68/11 6.42s} 24. Qe3 {-1.95/6 6.47s} Nb3 {+1.70/11 6.42s} 25. Ra2 {-1.75/6 6.49s} Qxa5+ {+1.56/11 6.43s} 26. Kf2 {-1.25/6 6.49s} Qxa4 {+1.56/12 6.43s} 27. Qe2 {-1.35/6 6.48s} Nd4 {+1.70/12 6.43s} 28. Qe3 {-1.25/6 6.49s} Nb5 {+1.86/11 6.43s} 29. Qc5 {-1.15/6 6.50s} Bd7 {+2.30/11 6.75s} 30. Qb4 {-1.25/6 6.50s} Nxa3 {+2.28/12 7.19s} 31. Qxa4 {-1.10/6 6.50s} Bxa4 {+2.48/14 6.32s} 32. Rxa3 {-1.00/7 6.50s} b5 {+2.42/14 5.47s} 33. d4 {-0.85/6 6.51s} Red8 {+2.96/13 6.05s} 34. Rd3 {-0.80/6 6.52s} b4 {+3.94/9 5.12s} 35. Re1 {-0.90/6 6.53s} b3 {+6.88/8 5.82s} 36. Bxf7+ {-4.20/6 6.55s} Kxf7 {+10.24/8 4.61s} 37. d5 {-6.50/6 6.54s} b2 {+14.28/8 5.29s} 38. dxe6+ {-11.20/6 6.55s} Kxe6 {+15.84/9 5.55s} 39. Rd5 {-13.25/7 6.58s} c1=Q {+19.76/9 9.44s} 40. f5+ {-16.55/7 6.67s} Kf7 {+20.88/9 8.46s} 41. Rxd8 {-16.60/7 5.96s} Rxd8 {+25.94/8 12.06s} 42. e6+ {-17.75/7 5.96s} Kf6 {+31.26/10 11.45s} 43. Rxc1 {-19.90/7 5.96s} bxc1=Q {+M20/12 10.87s} 44. e5+ {-289.92/6 5.95s} Kxe5 {+M16/12 8.96s} 45. g4 {-289.94/6 5.95s} Qd2+ {+M12/10 9.88s} 46. Kf1 {-289.96/5 5.96s} Rc8 {+M8/8 0.38s} 47. Kg1 {-289.98/6 5.97s} Rc1# {+M4/4 0.043s, Black mates} 0-1[/pgn]

[Guenther]

https://github.com/osmanre263/Ozmania/

Regards,
Norbert

While checking this one, which owes too much from Vice & Wuttang and modified Vice eval from Casper!,
I found Casper (Chess), which IMHO is deviated enough from Vice basics to be added to my XB/UCI chronology.

https://github.com/shikharsrivastava/Ca ... ess-Engine

Well, Casper was already announced in CCW in January 2017, it escaped me, sorry.
It was not announced though in talkchess according to the search.

There was just one collective thread including Casper, asking for a Mac compile 3 months later.
viewtopic.php?f=2&t=63779&p=712492&hilit=casper#p712492

[tpoppins]

Nice pairing, Abrok is nearly +900 Elo.

We have a presumably later version, rev4 (linked to on CCW), on our lists. I added it to the 40/40 list only last month. It has a curious bug: whenever an underpromotion occurs it tries playing an illegal move, which is often an attempt to move one of the opponent's pieces.

[pgn][Event "Below Decks replay"] [Site "NA5"] [Date "2019.04.03"] [Round "?"] [White "Casper rev4 64-bit"] [Black "Monochrome"] [Result "0-1"] [ECO "B42"] [GameDuration "00:42:29"] [GameEndTime "2019-04-03T22:28:26.161 Eastern Daylight Time"] [GameStartTime "2019-04-03T21:45:56.169 Eastern Daylight Time"] [Opening "Sicilian"] [PlyCount "84"] [Termination "illegal move"] [TimeControl "40/1200"] [Variation "Kan, Swiss cheese Variation"] 1. e4 {book} c5 {book} 2. Nf3 {book} e6 {book} 3. d4 {book} cxd4 {book} 4. Nxd4 {book} a6 {book} 5. Bd3 {book} g6 {book} 6. c3 {book} Bg7 {book} 7. Be3 {+0.70/7 35s} Nf6 {-0.83/5 35s} 8. f4 {+0.65/7 35s} Nc6 {-0.56/5 35s} 9. O-O {+0.65/7 35s} Nxd4 {-0.59/5 35s} 10. cxd4 {+0.65/8 35s} Qb6 {-0.72/6 35s} 11. Qe2 {+0.70/8 35s} Nxe4 {-0.58/6 35s} 12. Bxe4 {+1.45/8 35s} Bxd4 {-1.17/7 35s} 13. Bxd4 {+1.45/8 35s} Qxd4+ {-1.15/7 36s} 14. Kh1 {+1.45/7 35s} d5 {-1.15/6 35s} 15. Bd3 {+1.40/8 35s} O-O {-1.10/6 35s} 16. Nc3 {+1.40/8 35s} b5 {-1.17/6 35s} 17. Rad1 {+1.55/7 35s} Qb4 {-1.34/6 35s} 18. Qd2 {+1.60/7 35s} f5 {-1.16/6 35s} 19. Ne2 {+1.50/8 35s} a5 {-1.22/7 35s} 20. Qxb4 {+2.10/8 35s} axb4 {-1.32/9 35s} 21. Ra1 {+2.25/9 35s} Rf7 {-1.32/7 35s} 22. Bxb5 {+2.35/8 35s} Ba6 {-1.45/7 35s} 23. Bxa6 {+2.40/9 35s} Rxa6 {-1.35/8 35s} 24. Nd4 {+2.40/9 35s} Rc7 {-1.25/7 36s} 25. Rfe1 {+2.40/9 35s} Kf7 {-1.35/8 35s} 26. a3 {+2.35/8 35s} Rc4 {-1.69/8 36s} 27. Rad1 {+2.40/9 35s} h5 {-1.74/8 35s} 28. b3 {+3.40/9 35s} Rxd4 {-2.53/9 35s} 29. Rxd4 {+4.30/10 35s} bxa3 {-2.86/9 35s} 30. Ra1 {+4.25/9 35s} Kf6 {-2.99/9 35s} 31. Ra4 {+4.40/10 35s} Rc6 {-3.55/9 35s} 32. R4xa3 {+4.50/9 35s} d4 {-3.72/8 35s} 33. Ra4 {+4.75/9 35s} Rd6 {-3.69/8 35s} 34. Ra6 {+5.35/9 35s} Ke7 {-4.03/9 35s} 35. Rxd6 {+5.40/9 35s} Kxd6 {-3.97/10 35s} 36. Ra6+ {+5.55/10 35s} Kc5 {-4.37/10 35s} 37. Rxe6 {+5.70/10 35s} d3 {-3.65/10 35s} 38. Re7 {+5.70/10 35s} Kd4 {-3.70/9 35s} 39. Kg1 {+5.80/10 35s} d2 {-4.58/9 35s} 40. Rd7+ {+5.80/10 35s} Ke3 {-5.37/9 35s} 41. b4 {+5.85/10 30s} Kxf4 {-6.39/9 30s} 42. b5 {+9.05/10 30s} d1=B {-8.26/9 30s, White makes an illegal move: f4e3} 0-1 [Event "Below Decks replay"] [Site "NA5"] [Date "2019.04.03"] [Round "?"] [White "Shallow Blue 1.1.0 64-bit"] [Black "Casper rev4 64-bit"] [Result "1-0"] [ECO "B10"] [GameDuration "01:00:54"] [GameEndTime "2019-04-08T02:25:18.027 Eastern Daylight Time"] [GameStartTime "2019-04-08T01:24:23.197 Eastern Daylight Time"] [Opening "Caro-Kann"] [PlyCount "127"] [Termination "illegal move"] [TimeControl "40/1200"] [Variation "Anti-Caro-Kann defense"] 1. e4 {book} c6 {book} 2. c4 {book} e5 {book} 3. Nf3 {book} Nf6 {book} 4. Nxe5 {book} d6 {book} 5. Nf3 {+0.11/8 31s} Nxe4 {-0.25/8 33s} 6. d3 {+0.20/8 21s} Nf6 {-0.15/7 33s} 7. d4 {+0.29/8 29s} d5 {-0.15/7 33s} 8. Be2 {+0.40/7 19s} Be6 {-0.05/7 33s} 9. Qb3 {+0.50/7 31s} Qb6 {-0.10/7 33s} 10. Qxb6 {+0.44/8 31s} axb6 {-0.10/8 33s} 11. Nbd2 {+0.24/8 31s} Na6 {+0.10/8 33s} 12. O-O {+0.35/8 31s} Bd6 {+0.10/8 33s} 13. cxd5 {+0.61/8 32s} cxd5 {+0.05/8 33s} 14. Bb5+ {+0.55/8 31s} Ke7 {+0.15/7 33s} 15. a3 {+0.59/8 22s} Nb4 {+0.20/8 33s} 16. Nb3 {+0.64/8 32s} Nc2 {+0.10/8 33s} 17. Rb1 {+0.69/8 32s} Bg4 {+0.10/7 33s} 18. Ne1 {+0.75/8 17s} Bf5 {+0.05/8 33s} 19. Nd3 {+0.81/8 20s} Ne8 {+0.45/7 33s} 20. Bf4 {+0.52/8 33s} Nc7 {+0.25/7 33s} 21. Bxd6+ {+0.47/9 28s} Kxd6 {+1.15/9 33s} 22. Ne5 {+0.26/9 22s} Rhf8 {+1.15/8 33s} 23. Bd3 {+0.61/9 26s} Bxd3 {+1.15/9 33s} 24. Nxd3 {+0.50/9 25s} Ne6 {+1.10/9 33s} 25. Rfd1 {+0.39/8 35s} Ra4 {+1.10/8 33s} 26. Rbc1 {+0.26/8 35s} Ncxd4 {+1.25/9 33s} 27. Nxd4 {+0.12/9 24s} Rxd4 {+1.20/9 33s} 28. Ne1 {+0.08/8 35s} Rc8 {+1.30/8 33s} 29. Nf3 {-0.09/9 21s} Rxd1+ {+1.50/9 33s} 30. Rxd1 {-0.22/9 36s} Rc2 {+1.50/8 33s} 31. Rb1 {-0.35/10 23s} Kc5 {+1.35/8 33s} 32. Ne5 {+0.14/9 37s} f5 {+1.30/9 33s} 33. Nf3 {+0.04/9 24s} Nf4 {+1.45/9 33s} 34. b4+ {+0.11/10 30s} Kd6 {+1.45/8 33s} 35. Re1 {-0.04/9 40s} Ra2 {+1.45/9 33s} 36. Nd4 {-0.09/10 40s} g6 {+1.40/9 33s} 37. Nb5+ {-0.07/10 40s} Kc6 {+1.45/9 33s} 38. Na7+ {-0.14/11 28s} Kd7 {+1.45/9 33s} 39. Nb5 {-0.21/10 42s} Rd2 {+1.50/9 33s} 40. Ra1 {-0.20/10 35s} Kc6 {+1.55/9 33s} 41. Na7+ {-0.06/11 18s} Kd7 {+1.50/9 30s} 42. Nb5 {0.00/12 19s} g5 {+1.50/9 30s} 43. Rb1 {-0.24/10 29s} g4 {+1.55/8 30s} 44. Ra1 {-0.21/9 29s} Kc6 {+1.55/9 30s} 45. Na7+ {-0.12/11 32s} Kc7 {+1.55/8 30s} 46. Nb5+ {-0.22/11 18s} Kd7 {+1.55/9 30s} 47. Rb1 {-0.23/10 27s} Kc6 {+1.50/9 30s} 48. Na7+ {0.00/12 25s} Kd7 {+1.50/9 30s} 49. Nb5 {0.00/12 26s} Nd3 {+1.50/9 30s} 50. Nc3 {-0.20/9 33s} Nb2 {+1.45/9 30s} 51. Re1 {-0.08/10 23s} Nc4 {+1.50/9 30s} 52. a4 {-0.07/10 26s} Nb2 {+1.50/9 30s} 53. Ra1 {-0.15/9 33s} d4 {+2.15/9 30s} 54. Nd5 {-0.27/11 28s} Nxa4 {+2.10/9 30s} 55. Nf6+ {-0.38/10 33s} Ke6 {+1.90/9 30s} 56. Nxh7 {-0.20/11 25s} Rb2 {+1.90/9 30s} 57. Re1+ {-0.02/11 27s} Kd6 {+2.00/9 30s} 58. Ng5 {-0.32/10 34s} d3 {+4.25/9 30s} 59. Nf7+ {+0.07/9 34s} Kd5 {+3.55/8 30s} 60. Re5+ {-2.40/12 24s} Kd4 {+4.55/8 30s} 61. Re1 {-3.48/12 20s} d2 {+5.55/10 30s} 62. Rf1 {-3.48/11 35s} Nc3 {+5.55/9 30s} 63. Nd6 {-3.99/11 35s} d1=R {+5.65/9 30s} 64. Nxf5+ {-4.47/12 35s, Black makes an illegal move: d2d1r} 1-0 [/pgn]

It is also nearly 100% stochastic, like many other weak engines; so given a specific opening line and a like opponent it will reproduce the same game every time, which makes it a PITA to test.

Nim is a programming language originally known as Nimrod.