TCEC Swiss 6

See also TCEC Swiss rules‎‎.

Tournament format

The TCEC Swiss 6 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 25 and Swiss 5 compiled final results.

Deadline

Deadline for sending in the (updated) engines is Monday 15 January 2024 12:00 UTC.

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 - to be updated per usual procedure - Stockfish dev-20231222-fbdf5d94 -> ?
2. LCZero - reminder sent per discord - LCZero 0.31-dag-a487796-BT3-2860000 received
3. KomodoDragon - no further updates expected in the future, recently updated version 3.3 will play
4. Berserk - update incoming, possibly special TCEC branch - version 20240114_tcec-swiss6 received
5. RubiChess - update announced -> RubiChess 20240112 received - RubiChess 20231105 -> 20240112
6. Ethereal - minor update announced per discord - normal update procedure
7. Stoofvlees - reminder sent - existing version will play
8. Igel - no update this time, last known version submitted
9. rofChade - possible update announced - update to rofChade 3.103 received - rofChade 3.1 -> 3.103
10. Clover - update announced per discord - engine received per discord
11. Seer - reminder sent - update underway, hopefully ready in time - update received via discord
12. Caissa - new version version 1.16 received - Caissa 1.14.1 -> 1.16.2
13. Revenge - no update this time, last known version submitted
14. Minic - possible update announced -> received Minic 3.40 per discord and script
15. Viridithas - new version available per script
16. ScorpioNN - reminder sent - reply received, awaiting version info -> no update
17. Fritz Ginkgo - update announced -> replaced by Ginkgo 4.0 - Ginkgo Valencia_1.01 -> 4.0
18. DeepSjeng - reminder sent - update announced - update version 36a30 received
19. Arasan - update wth new net announced - version 24.1 received
20. BlackMarlin - update announced, to be completed via discord - updated per usual script - BlackMarlin 8.0dev-2 -> 8.0 - BlackMarlin 8.0dev-2 -> ?
21. Uralochka - reminder sent -> update to Uralochka 3 received; the engine is now Open Source
22. Marvin - update to Marvin 6.3.0-4 received - Marvin 6.3.0-3 -> 6.3.0-4
23. Velvet - update to Velvet v6.0.0 submitted
24. Tucano - update announced - major rewrite 11.14 development version received - Tucano 10.13 -> 11.14
25. Wasp - update announced - Wasp 6.65 received -> overview of updates: Wasp 6.62 -> 6.65 -> 6.65b -> 6.65c
26. Booot - reminder sent - this time old version 7.2 will play, update announced for the near future
27. Weiss - reminder sent - update ready per normal script - Weiss 2.1-dev9 -> 2.1-dev10
28. Equisetum - update announced -> new version s_4.1.1_NN_variegatum_d received - Equisetum s_4.0.6c.NN_variegatum.a -> s_4.1.1_NN_variegatum_d
29. Winter - major update to version 2.07b submitted and questionnaire regarding this new architecture received - version 2.07d received
30. Expositor - presumably no update - update received - Expositor 25.C -> WK16+1159 but is it perhaps same version?
31. Stash - reminder sent - update received per discord
32. Mr_Bob - UPDATE MANDATORY -> update announced - update received (hopefully stable)
33. ChessFighter - update announced - update to version 3.17 received
34. Counter - UPDATE MANDATORY - update to counter-5.5-linux-amd64 received
35. Cheese - UPDATE MANDATORY -> update received: Cheese 3.2.0 submitted
36. Bagatur - UPDATE MANDATORY -> update to Release 3.7e received
37. ice4 - recent version from 4kIII will play
38. 4ku - recent version 4ku 4.0 will play
39. STRO4K - provisionally added - update received -> version 2.1 - STRO4K 2.0 -> 2.1
40. Willow - engine submitted
41. Akimbo -> akimbo 0.8.0 submitted
42. Altair - invitation accepted - newer update in preparation - Altair 6.1.3 TCEC received - Altair 6.1.3
43. Stormphrax - invitation accepted - engine submitted per discord
44. Obsidian - questionnaire received, under evaluation -> to be invited - reminder sent - engine received per discord
45. Avalanche - questionnaire received, under evaluation -> to be invited - submission announced -> v2.1.0 received (no TB support yet)
46. Cheng - questionnaire received and approved, invited and accepted, engine Cheng 4.44 dev received - Cheng 4.42_dev -> 4.44_dev

Bugfixes and problems

Bugs (or problems) found during the Swiss:

1. ...

Engines not playing

1. Smallbrain - by author's notice, this engine is currently out of development
2. BlackCore - UPDATE MANDATORY - by author's notice, this engine is out of development, possibly for good, and will be replaced by WhiteCore later this year
3. Zahak - UPDATE MANDATORY -> by author's notice, invitation declined as engine is EOL
4. Fritz -> replaced by Ginkgo
5. chess.cpp - questionnaire received, under evaluation -> to be invited - update on existing version announced - withdraws for reason of development problems
6. Koivisto - UPDATE MANDATORY - reminder sent - engine not playing by message of its authors
7. StockDory - reminder sent - reply received, no update at the moment, engine kept on hold and in reserve if necessary

Engines that did not respond

1. Amoeba - UPDATE MANDATORY - reminder sent - NO REPLY
2. OliThink - UPDATE MANDATORY - reminder sent - NO REPLY

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 6 results

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Swiss Opening Book

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Trivia

Overachiever

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Drawking

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Top ELO gainers

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Poll results

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Upsets

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