TCEC DFRC 2

2023 DFRC 2 - Flowchart of leagues and stages

See also TCEC DFRC 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 - from TCEC FRC 6

1. Stockfish - update per normal procedure: dev-20230503-72d542f0 -> dev-20230507-65e21505 received
2. LCZero - update 0.30-dag-a9b25c2b-BT2-3650000 -> 0.31-dag-1f90473-T1-4000000 received
3. KomodoDragon - no update as 3.2 is still latest version
4. Berserk
5. Ethereal - possible update coming -> updates 13.96-2bb01.fischer -> 14.13-frc -> 14.15-frc received
6. Stoofvlees
7. SlowChess
8. Revenge - update from 20230209 -> 20230509 -> 20230515
9. RubiChess - new version RubiChess 20230419 submitted, but newer may come still too: 20230301 -> 20230419 (also bench ARCH=x86-64-bmi2)
10. rofChade
11. ScorpioNN
12. Minic - likely no update this time
13. BlackMarlin - no update, existing version will play
14. Marvin - update 6.2.0-a7 to 6.2.0-a11 received
15. Wasp - update announced -> update 6.11 to 6.53 received
16. Halogen - new FRC entry
17. Velvet - update announced -> update 5.1.0 to Velvet v5.2.0 received
18. Nemorino
19. Smallbrain - new FRC entry, update from dev-20230121-b107225 -> dev-20230322-7b7319d per discord
20. Winter - update 1.23 to 2.04b received
21. Stash - update 34.3 to v34.7 or v34.8 incoming -> 34.9 received
22. Weiss - update per normal procedure 2.1-dev6 to Weiss 2.1-dev7
23. Drofa - new FRC entry, update 3.3.26 to 3.3.27 received
24. Cheese - no update, same version 3.1.1 will play

Bugs and problems found in DFRC/FRC testing

1. ...
2. ...
3. ...
4. ...

Engines not playing

1. Igel - no FRC implementation ready yet

Deadline

Engine submission deadline was "the last move of 4k 2 event"

Start time

FRC 6 started May 19 2023 at 17.00 UTC.
DFRC2 started ...

Seeding

1. Stockfish
2. LCZero
3. KomodoDragon
4. Berserk
5. Ethereal
6. Stoofvlees
7. SlowChess
8. Revenge
9. RubiChess
10. rofChade
11. ScorpioNN
12. Minic
13. BlackMarlin
14. Marvin
15. Wasp
16. Halogen
17. Velvet
18. Nemorino
19. Smallbrain
20. Winter
21. Stash
22. Weiss
23. Drofa
24. Cheese

The Leagues in detail

First phase

League 3

A 1DRR with reverse games will be played.

1. Wasp
2. Halogen
3. Velvet
4. Nemorino
5. Smallbrain
6. Winter
7. Stash
8. Weiss
9. Drofa
10. Cheese

• [ Final standings] in archive.

League 2

A 1DRR with reverse games will be played.

1. SlowChess
2. Revenge
3. RubiChess
4. rofChade
5. ScorpioNN
6. Minic
7. BlackMarlin
8. Marvin
9. ...
10. ...

• [ Final standings] in archive.

League 1

A 2DRR with reverse games will be played.

1. Stockfish
2. LCZero
3. KomodoDragon
4. Berserk
5. Ethereal
6. Stoofvlees
7. ...
8. ...

• [ Final standings] in archive.

Second phase

DFRC2 Final

A 25DRR with reverse games will be played.

1. ...
2. ...

• [ Final standings] in archive.

Results

...

Trivia

Final results of DFRC 2 will basically be used to seed the FRD 1 in next TCEC Season 25.

Polls

1. ...

Overachievers

1. ...