TCEC Swiss 7

See also TCEC Swiss rules‎‎.

Tournament format

The TCEC Swiss 7 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.

Placement and Playoffs

1. All engines that have a place in the TCEC Leagues and were not relegated from the lowest league automatically qualify for Swiss 7.
2. Category 1 below contains 9 engines and all 9 are directly qualified for Swiss 7.
3. Categories 0 and 2 below together have 9 engines and they will do a playoff for 4 spots in swiss 7: Cat 0+2 Playoff: 1DRR at 30+3 will be played.
4. Category 3 below has 5 engines and they will do a playoff for 1 spot in swiss 7: Cat 3 Playoff: another 1DRR at 30+3 will be played.
5. No tiebreaks will be used to decide quallifiers from these playoffs, and resulting placements will be decided on points, if needed with extra playoff pairs.

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

to be invited for swiss and/or qualification playoffs

engines already in leagues

1. Stockfish - engine promised - admin will pull latest soon -> Stockfish dev-20240513-e608eab8 -> dev-20240820-9fb58328 (Updated for S27 VSOB 27, still same version)
2. LCZero - reminder sent - update submitted per email -> LCZero 0.31-dag-5350a2e-BT4-6147500 -> 0.31-dag-321205e-BT4-6147500-it332 (email, discord)
3. Berserk - reminder sent - last Berserk 13 existing will compete -> Berserk 13 (email)
4. KomodoDragon - existing Dragon 3.3 will play -> KomodoDragon 3.3 (email)
5. Ethereal - reminder sent - apparently script update per discord -> Ethereal 14.35 -> 14.40 (discord, C5E342AE)
6. Seer - reminder sent - same version submitted for swiss but update expected for next tcec events -> Seer 2.8.0 (discord)
7. RubiChess - RubiChess 20240817 received -> RubiChess 220240506 -> 20240817 (email)
8. Stoofvlees - reminder sent - Stoofvlees II d6 submitted -> Stoofvlees II d5 -> II d6 (email, discord PM)
9. Caissa - updated to 1.20.1 via discord
10. Obsidian - reminder sent - update per script submitted -> Obsidian dev-11.24 -> dev-13.11 (discord)
11. rofChade - reminder sent - new update received -> rofChade 3.105 -> 3.110 (email, threads to 102)
12. Viridithas - update per script submitted -> Viridithas 13.0.0-dev-d58331f0 -> 15.0.0-dev-f6ea5980 (email)
13. Igel - engine under development, unclear if update ready in time atm - next update apparently coming by deadline - version Igel 3.5.6 submitted per discord -> Igel 3.5.5 -> 3.5.6 (email, discord PM)
14. Revenge - new version submitted -> Revenge 20240609 -> 20240822 (email)
15. Arasan - update per script submitted -> Arasan 096645a -> 4e7f90a (email)
16. Clover - update by discord promised - update script received -> Clover 6.1.23 -> 7.1.10 (discord, update.sh modified)
17. Velvet - version 8.0.0 submitted -> Velvet v8.0.0 officially released -> Velvet 7.3.0 -> 8.0.0 (email early submission)
18. Minic - existing Version 3.41 submitted, update in the making but likely not yet ready -> Minic 3.40 -> 3.41 (email, probably no real update)
19. Uralochka - update promised - update to Uralochka3.42.dev4-avx512 submitted -> Uralochka 3.41.dev4-avx512 -> 3.42.dev4-avx512 (email)
20. Stormphrax - update per script (discord) -> Stormphrax 4.1.16_d07a844 -> 5.0.20_0f8af3f (discord)
21. Ginkgo - update promised - update to Ginkgo 4.31 submitted (TB6) -> Ginkgo 4.12 -> 4.31 (email)
22. DeepSjeng - reminder sent - no update, existing version will play -> DeepSjeng 3.6 a30 (email)
23. BlackMarlin - update per script incoming -> BlackMarlin 9.0-dev-82ace40e -> 9.0-dev-578a6f64 (email)
24. Marvin - reminder sent - no update, existing version will play -> Marvin 6.3.0 (email)
25. Altair - reminder sent - no update, existing version 7.1.5 will play -> Altair 7.0.6 -> 7.1.5 (email)
26. Equisetum - reminder sent - Equisetum v.1.9.arvense received via discord -> Equisetum 1.4_variegatum.i -> 1.9.arvense (discord, bench 9033113)
27. Booot - reminder sent - no reply: existing booot will play late reply with latest repository -> Booot 7.3 (email)
28. Weiss - same version will play -> Weiss 2.1-dev10 (email)
29. Tucano - update per script promised - update to 11.24 plus new net submitted per script -> Tucano 11.17 -> 11.24 (email)
30. akimbo - to be updated by usual script -> akimbo 1.1.0-dev (email)

category 0 - returning engines not directly qualified

1. Wasp - update promised - new Wasp 7.03 submitted -> Wasp 7.01 -> 7.03 (email)
2. Cheng - Cheng 4.48 submitted -> Cheng 4.44_dev -> 4.48 (email)
3. Halogen - was recently updated and updated questionnaire received- update per script acc to discord -> Halogen 11.4.1 -> 12.4.1 (email, discord logo)

all engines category 1 (highest originality priority) to be placed into swiss without prior playoff

1. Texel - reminder sent - script update to version 1.12a5 submitted -> Texel 1.12a4 -> 1.12a5 (email)
2. Winter - updated to version 4.01a -> Winter 3.1415926 -> 4.01a (email)
3. ChessFighter - update mandatory for entrance -> update promised - update received -> ChessFighter 3.17 -> 3.18 (email)
4. ice4 - latest version ice4 v5 submitted -> ice4 5 (email)
5. 4ku - debugged 5.1 submitted -> 4ku 5.0 -> 5.1 (email)
6. Patricia - reminder sent - engine received -> Patricia 3.1_dev (email) (new)
7. Ceres - engine promised - engine and net submitted -> Ceres 0.92_69722-vf2 -> 1.0_512x15_NLA (email, logo) (new)
8. Heimdall - Heimdall 1.0-beta to be submitted soon -> received - newer update Heimdall 1.0.0-alpha received before deadline -> Heimdall 1.0.0-beta -> 1.0.0-alpha (email) (new)
9. Princhess - update announced - engine and logo received (uses syzygy) - and another more recent update received -> Princhess 0.18.0-8-gaf4ec4 -> 0.18.0-9-g214a6dc (discord, logo) (new)

new engines category 2 (own data)

1. PlentyChess - engine promised - engine submitted (no TB)
2. Renegade - engine promised - version 1.1.19 submitted
3. Reckless - conditional: Multi-threaded initialization is likely necessary to use 98GB RAM without timing out at the start of the game - to be updated by script (no syzygy) - engine submitted
4. Clarity - engine promised - engine submitted
5. Lizard - version 10.5 received (no syzygy)
6. Integral - reminder sent - engine submitted

new engines category 3 (leela data)

1. Bagatur - update to 5.1 received -> updated to version 5.1b - is now NNUE engine awaiting new questionnaire questionnaire received
2. Quanticade - engine promised (no syzygy) - engine submitted
3. Serendipity - engine promised - engine submitted
4. Devre - engine update per script received
5. Spaghet - engine promised via discord - update script submitted

new engines category 4 (no questionnaire or failed originality test)

all have been categorized above

other engines, as yet uncategorized

all have been categorized above

Bugfixes and problems

Bugs (or problems) found during the Swiss:

1. ...

Engines not playing

withdrawn, inactive or not responding

1. Torch unwilling
2. Carp (NNUE, TB, SMP, own data, !bullet trainer) by Andrea Sgobbi: github.com/dede1751/carp inactive
3. Pytteliten (4K engine) by Cristopher Torgrip: github.com/crippa1337/Pytteliten stalled
4. Mr_Bob - no update, skipping season
5. Cheese - no update, skipping season
6. ScorpioNN - no update, skipping season
7. StockDory - needs update and reply to prelimary email sent aug 11 2024 no timely reply received - no update announced
8. Avalanche - development is paused acc to dev
9. Willow - engine retracted in favor of Patricia entering by same dev
10. Expositor - no update: withdraws voluntarily to make place for new engines
11. Counter - update mandatory for entrance - update not yet ready this season
12. Stash - reminder sent - engine withdrawn, in the future hopefully succeeded by the engine Vault by same author

other new and suggested engines (from discord) not contacted - possible entrants for next season

1. Peacekeeper (NNUE, Lc0 data, modified Carbon trainer, SMP, FRC) by Sazgr: github.com/Sazgr/peacekeeper
2. WhiteCore (NNUE, TB, own data?, custom trainer), successor of !BlackCore by Balázs Szilágyi: github.com/SzilBalazs/WhiteCore
3. Superultra (NNUE, Lc0 data, own trainer) by Alexander Liang: github.com/A1exL1ang/Superultra
4. Titan (NNUE, Lc0 data) by Jeff Powell: github.com/jeff-pow/Titan
5. Midnight (NNUE, SMP, !bullet trainer) by Archishmaan Peyyety: github.com/archishou/MidnightChessEngine
6. Motor (github.com/martinnovaak/motor) by Martin Novák

Final standings

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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 7 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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