TCEC FRC 4

2020 FRC 4 - Flowchart of leagues and stages with equal distance seeding

See also TCEC FRC rules.

Explanation of typography

Explanation of special typography:

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

Participating engines

1. KomodoDragon - Update coming - reminder sent -> update to 2814.0 received
2. Stockfish - Update coming -> updated to Stockfish dev15_2021121915
3. Lc0 - Update coming -> received: 0.29-dev with 610826 net
4. Stoofvlees - no update. Stoofvlees II a18 will play.
5. Scorpio - Update coming -> 3.0.15 received
6. Ethereal - reminder sent -> strong update received: v 13.43 network 885D1C58
7. SlowChess - updated to SlowChess Blitz 2.8 avx. -> updated to SlowChess Blitz 2.82
8. Rubichess - reminder sent -> update to RubiChess-2.3-dev-TCECfrc4 received
9. Nemorino - Failed FRC startup test. Update needed. -> Nemorino 6.10 submitted
10. Defenchess - no update. Defenchess 2.3_dev2 will play
11. Vajolet - reminder sent -> No update -> Vajolet2 2.9.0-TCEC-S19 will play.
12. Winter - updated to Winter 0.9.8.
13. MultiAra ClassicAra - engine file needed - reminder sent -> update incoming -> ClassicAra 0.9.8 with FRC support received
14. Revenge - updated to Revenge 20211210
15. Monolith - reminder sent -> No update -> Monolith 20210221 will play.
16. Minic - no update. Minic 3.17 will play
17. Weiss - no update. Weiss 2.1-dev will play.
18. Cheng - no update. Cheng 4.42_dev will play.
19. Stash - updated to Stash 32.1
20. Berserk - updated to Berserk 9-dev -> updated to Berserk 9-dev2
21. Cheese - updated to Cheese 3.0 beta (16 threads -> 104 threads, 16GiB Hash -> 64GiB Hash) -> Update Cheese 3.0 beta2 received -> Update Cheese 3.0 beta3 received. -> final version 3.0 released and received
22. Critter - Critter 1.6 will play
23. Wasp - updated to version 5.02 (NNUE)

Bugs and problems found in FRC testing

1. Nemorino failed FRC startup test. Update received
2. Cheese - Cheese 3.0 beta tested. 2 x illegal move due to FRC castling bug -> Update Cheese 3.0 beta2 received. Another 2 x illegal move due to FRC castling bug -> Update Cheese 3.0 beta3 received
3. Nemorino might have some FRC castling blindness (missing opponent long castling?)

Deadline

Engine submission deadline was Sunday, December 19, 2021 23:59 UTC.

Start time

FRC4 started Monday, December 20, 17.00 UTC

Seeding

1. ...

The Leagues in detail

League A

1. KomodoDragon
5. Scorpio
9. Nemorino
13. ClassicAra
17. Weiss
21. Cheese

League B

3. Lc0
7. SlowChess
11. Vajolet
15. Monolith
19. Stash
23. Wasp

League C

2. Stockfish
6. Ethereal
10. Defenchess
14. Revenge
18. Cheng
22. Critter

League D

4. Stoofvlees
8. Rubichess
12. Winter
16. Minic
20. Berserk

Semileague 1

KomodoDragon , Lc0 , Ethereal , TBD

Semileague 2

Stockfish , RubiChess , Scorpio , SlowChess

Final League

...

Final

...

Results

...

Trivia

Polls

1. Winner?
2. Advance to Semileague 1 & 2 Closed
3. Overachievers Closed
4. TCEC FRC starting positions coverage Closed. During League A 112 lost FRC games from the Season 6 FRC Special Event was found and added to the database.