TCEC Swiss 5

See also TCEC Swiss rules‎‎.

Tournament format

The TCEC Swiss 5 uses the TCEC Swiss Tournament System with the following configuration:

• 11 double rounds
• Group seeding with .. engines divided in .. groups. Groups populated using TCEC Season 24 and Swiss 4 compiled final results.

Invited engines

Here is the full list of engines that are invited and envisioned to participate.

Explanation of typography

Explanation of special typography:

• bold engines are invited for this particular event and contact has been sought or established with, the author(s)
• struck through means declined or not participating
• bold italics means engine and/or update received.
• italics means engine same as last event.
• underlined means possible invite

Engines

1. Stockfish - update per usual repo at deadline
2. LCZero
3. KomodoDragon - possible update upcoming
4. Ethereal
5. Stoofvlees - update to StoofvleesIIb5_CUDA11.8 (bugfix release) submitted
6. Koivisto
7. Slowchess - no updates coming in the hear future, but development not definitively stopped yet
8. Igel - upcoming update announced -> Igel 3.5.1 submitted
9. Revenge - upcoming update announced -> no update ready in time
10. Rubichess - no update announced yet
11. rofChade - possible update upcoming -> 3.020 submitted
12. ScorpioNN
13. Seer
14. Minic - possible update through discord
15. Fritz - no update for this event, but update will come mid July to come for next event
16. BlackMarlin
17. Marvin - no update for this event, Marvin 6.2.0-a11 will play
18. Uralochka - upcoming update announced -> no update 3.39g-avx512 will play again
19. Arasan - update per usual repo at deadline
20. Wasp - update announced -> update to Wasp 6.55 submitted
21. Halogen
22. Velvet - update submitted bug-fix release v5.2.1
23. Tucano - probably s24 will play, new version Tucano NN still in preparation -> small update to 10.13 submitted now
24. Booot - accepts the invitation
25. Nemorino
26. Expositor - new version announced
27. Smallbrain - update submitted per discord
28. Zahak - no update and possibly declines the invitation to make room for new engines? it was agreed we keep it if it helps tcec get an even number of engines in swiss, else we drop it.
29. Mantissa - no update but update is in preparation for later
30. Mr_Bob - upcoming updated announced
31. StockDory - binary will be submitted soon
32. Stash
33. Weiss - possible update per usual repo at deadline
34. Winter
35. Drofa -> upgraded to new engine Equisetum, TCEC Questionnaire received, engine submitted is version s_4.0.5.NN_bogotense
36. ChessFighter - upcoming update announced -> 3.15 submitted
37. Amoeba - no update coming
38. Cheese - existing version 3.1.1 proposed as new version is not yet ready
39. Bagatur - latest version 3.7d submitted
40. ice4 - update to 3.1 submitted
41. 4ku - update to 4ku 3.1 submitted
42. OliThink - accepted invitation, TCEC Questionnaire received, OliThink 5.10.1 submitted (though 5.10.3 exists, this is the latest Linux version)
43. Clover - new participant, TCEC Questionnaire received, Clover 5.0 submitted -> update received
44. Caissa - accepted invitation, awaiting TCEC Questionnaire -> questionnaire received, master version 1.9 submitted

Bugfixes and problems

Bugs (or problems) found during the Swiss:

1. ...

Other possible new engines

1. Viridithas - currently under consideration for invite, TCEC Questionnaire received
2. BlackCore - currently under consideration for invite, TCEC Questionnaire received
3. Deep Sjeng 3.6 - currently under consideration for invite, TCEC Questionnaire received

Engines not playing

1. Counter - no update and decided to skip Season 25
2. Berserk - no more updates, engine is EOL -> withdrawn by author's request
3. ...

Final standings

...

Seeding

See the page on seeding for procedural details.

Seeding groups

Seeding groups

Group A	Group B	Group C	Group D	Group E	Group F	Group G	Group H	Group I

Seeding order

1. A1
2. B1
3. C1
4. D1
5. E1
6. F1
7. G1
8. H1
9. A2
10. B2
11. C2
12. D2
13. E2
14. F2
15. G2
16. H2
17. A3
18. B3
19. C3
20. D3
21. E3
22. F3
23. G3
24. H3
25. A4
26. B4
27. C4
28. D4
29. E4
30. F4
31. G4
32. H4
33. A5
34. B5
35. C5
36. D5
37. E5
38. F5
39. G5
40. H5
41. A6
42. B6
43. C6
44. D6
45. E6
46. F6
47. G6
48. H6

Swiss 5 results

..

Swiss Opening Book

..

Trivia

Overachiever

..

Drawking

..

Top ELO gainers

..

Poll results

..

Upsets

...