List of "killed" engines
"Killed" engines are engines we temporarily removed from our list.
Most common reason is that they don't have enough games and none of us is enthusiastic to test them more.
All games of these engines are removed from the database as well and not used for the rating list.
| Engine | Number of games |
| Alfil 6.7.1 |
| Alfil 6.8 |
| Alfil 6.9 |
| Alfil 6.9.1 |
| Alfil 7.3 |
| AliChess 4.15 |
| AnMon 5.50 |
| Arasan 9.3 |
| Arasan 9.4 |
| Aristarch 4.60 |
| BBChess 1.2 |
| Booot 4.10.5 |
| Bruja 1.9 |
| Brutus 5.1 |
| BugChess2 1.5 |
| Cheese 1.0c |
| Colossus 2006e |
| Counter 0.2 |
| Counter 0.6 |
| Counter 0.7 |
| Crafty 20.14 32-bit 2CPU |
| Crafty 20.14 64-bit |
| Crafty 21.1 64-bit |
| Crafty 21.4 32-bit |
| DanaSah 2.26 |
| DanaSah 2.38 |
| DanaSah 3.03 |
| Deep Frenzee 2.0 2CPU |
| Deep Frenzee 3.0 32-bit 2CPU |
| Deep Frenzee 3.0 64-bit 2CPU |
| Deep Junior 10.1 2CPU |
| Deep Junior 8 2CPU |
| Deep Shredder 10 32-bit 4CPU |
| Deep Shredder 7.04 4CPU |
| Delphil 1.7 |
| Deuterium 06.06.23.04 |
| Diablo 0.4 |
| Eden 0.0.11 |
| Feuerstein 0.4.5 |
| Flux 2.0 |
| Flux 2.1 |
| Flux II 0.8 |
| Flux II 0.9 |
| Fruit 2.3 |
| Fruit WCCC05 |
| Gaia 3.5 64-bit |
| GarboChess 2.02 |
| Gibbon 2.31b |
| Gibbon 2.31g |
| Gibbon 2.32a |
| Gibbon 2.41a |
| Glaurung 1.1 64-bit |
| Glaurung 1.2.1 32-bit 4CPU |
| Glaurung 1.2.1 Crusader 64-bit 2CPU |
| Glaurung 2 epsilon/5 64-bit 4CPU |
| Glaurung CCT8 64-bit 2CPU |
| Gosu 0.12 |
| Gosu 0.13 |
| Gosu 0.14 |
| Gosu 0.15 |
| GreKo 5.1 |
| GreKo 5.3 |
| GreKo 5.4 |
| Hamsters 0.3 |
| Hermann 1.7 |
| Homer 1.1b3 |
| Homer Leiden 64-bit |
| Joker 1.0.20 |
| Joker 1.1.04 |
| Joker 1.1.07 |
| Joker 1.1.17 |
| List 10.64f 64-bit |
| ListMP 11.64 64-bit 2CPU |
| LittleThought 0.96 64-bit |
| LittleThought 0.98 32-bit |
| LittleThought 0.98 64-bit 2CPU |
| Loop 13.5 64-bit |
| Loop 13.6 64-bit |
| Loop M1-P 64-bit |
| LoopMP 11A.32 2CPU |
| Matacz 1.02 |
| Mediocre 0.331 |
| Movei 00.8.402 |
| Naum 2.1 64-bit |
| Neurosis 2.2 |
| OBender 2.08.03 |
| OBender 2.09 |
| OBender 2.10.11 |
| OBender 2.11 |
| OBender 2.11.4 |
| OBender 3.10.02 |
| Patzer 3.80 2CPU |
| Petir 4.72 |
| Popochin 2.6 |
| Popochin 2.8 |
| Pupsi 0.17 |
| Queen 3.09 |
| Rybka 2.3 32-bit |
| Rybka 2.3 64-bit 2CPU |
| Rybka 2.3 64-bit 4CPU |
| Rybka 2.3 LK 64-bit 2CPU |
| Rybka 2.3 LK 64-bit 4CPU |
| Sage 3.27d |
| Scorpio 1.81 2CPU |
| Scorpio 1.82 |
| Scorpio 1.84 2CPU |
| Scorpio 1.9 64-bit 2CPU |
| Snitch 1.6.2 64-bit |
| SpiderChess 070525 |
| Toga II 1.0 |
| Toga II 1.2 64-bit |
| Toga II 1.3x1 |
| Toga II 1.3x4 |
| Toga II 1.4 beta4 |
| Toga II 1.4 beta4 2CPU |
| Trace 1.37 |
| Twisted Logic 0.057e3 |
| Twisted Logic 0.085x3x1 |
| Twisted Logic 0.087x5 |
| Typhoon 1.00-280 |
| Typhoon 1.00-281 |
| Typhoon 1.00-282 |
| Typhoon 1.00-313 |
| Typhoon 1.00-346 |
| Tytan 8.82 64-bit 2CPU |
| Tytan 9.32 |
| Xpdnt 060829 |
| Xpdnt 061120 |
| Xpdnt 071115 |
| Xpdnt 080103 |
| Zap!Chess Paderborn 32-bit 2CPU |
| Zap!Chess Paderborn 64-bit |
| Zap!Chess Reykjavik 64-bit 2CPU |
| Zap!Chess Reykjavik SE 32-bit |
| Zap!Chess Zanzibar 32-bit 2CPU |
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