The 70% Challenge

[Graham Banks]

THE 70% CHALLENGE

Intel i7-4770k Quad
ChessGUI
256mb hash each where possible
3-4-5 piece tablebases
Ponder off
Active2023.cgb book
40 moves in 16 minutes repeating (adapted for CCRL)
6 cycles 54 rounds

An opening book that is fair, but should produce roughly a 70% draw rate amongst top engines.

Participants

Stockfish 16 64-bit
Dragon by Komodo 3.2 64-bit
Berserk 11.1 64-bit
Chess System Tal 2.00 64-bit
Ethereal 14.00 64-bit
RubiChess 20230410 64-bit
Koivisto 9.0 64-bit
Igel 3.5.0 64-bit
Revenge 3.0 64-bit
Clover 6.0 64-bit


Web based link for live viewing (courtesy of Jay - Berserk author).
https://ccrl.live/16092

Alternatively, if you install TLCV (Tom's Live Chess Viewer) on your computer, you can watch the games live move by move. You'll also be able to chat to others following the tournament in the chatroom there.
http://kirill-kryukov.com/chess/discuss ... p?id=42959
Host - GrahamCCRL.dyndns.org Port - 16092

Linux users can use Livius:
https://github.com/kmar/livius

There is also a Livius windows version.
It has live pv boards as a nice addition.
http://www.crabaware.com/livius/

[Graham Banks]

THE 70% CHALLENGE

Intel i7-4770k Quad
ChessGUI
256mb hash each where possible
3-4-5 piece tablebases
Ponder off
Active2023.cgb book
40 moves in 16 minutes repeating (adapted for CCRL)
6 cycles 54 rounds

An opening book that is fair, but should produce roughly a 70% draw rate amongst top engines.

Standings after Round 9

5.0 - CS Tal 2.00 64-bit
5.0 - Stockfish 16 64-bit
5.0 - RubiChess 20230410 64-bit
4.5 - Dragon 3.2 by Komodo 64-bit
4.5 - Berserk 11.1 64-bit
4.5 - Ethereal 14.00 64-bit
4.5 - Koivisto 9.0 64-bit
4.5 - Revenge 3.0 64-bit
4.0 - Igel 3.5.0 64-bit
3.5 - Clover 6.0 64-bit


Web based link for live viewing (courtesy of Jay - Berserk author).
https://ccrl.live/16092

Alternatively, if you install TLCV (Tom's Live Chess Viewer) on your computer, you can watch the games live move by move. You'll also be able to chat to others following the tournament in the chatroom there.
http://kirill-kryukov.com/chess/discuss ... p?id=42959
Host - GrahamCCRL.dyndns.org Port - 16092

Linux users can use Livius:
https://github.com/kmar/livius

There is also a Livius windows version.
It has live pv boards as a nice addition.
http://www.crabaware.com/livius/

[Graham Banks]

THE 70% CHALLENGE

Intel i7-4770k Quad
ChessGUI
256mb hash each where possible
3-4-5 piece tablebases
Ponder off
Active2023.cgb book
40 moves in 16 minutes repeating (adapted for CCRL)
6 cycles 54 rounds

An opening book that is fair, but should produce roughly a 70% draw rate amongst top engines.

Standings after Round 18

10.5 - RubiChess 20230410 64-bit
10.5 - Stockfish 16 64-bit
10.0 - Dragon 3.2 by Komodo 64-bit
9.5 - Berserk 11.1 64-bit
8.5 - Ethereal 14.00 64-bit
8.5 - CS Tal 2.00 64-bit
8.5 - Igel 3.5.0 64-bit
8.0 - Revenge 3.0 64-bit
8.0 - Clover 6.0 64-bit
8.0 - Koivisto 9.0 64-bit


Web based link for live viewing (courtesy of Jay - Berserk author).
https://ccrl.live/16092

Alternatively, if you install TLCV (Tom's Live Chess Viewer) on your computer, you can watch the games live move by move. You'll also be able to chat to others following the tournament in the chatroom there.
http://kirill-kryukov.com/chess/discuss ... p?id=42959
Host - GrahamCCRL.dyndns.org Port - 16092

Linux users can use Livius:
https://github.com/kmar/livius

There is also a Livius windows version.
It has live pv boards as a nice addition.
http://www.crabaware.com/livius/

[Graham Banks]

THE 70% CHALLENGE

Intel i7-4770k Quad
ChessGUI
256mb hash each where possible
3-4-5 piece tablebases
Ponder off
Active2023.cgb book
40 moves in 16 minutes repeating (adapted for CCRL)
6 cycles 54 rounds

An opening book that is fair, but should produce roughly a 70% draw rate amongst top engines.

Standings after Round 27

16.5 - Stockfish 16 64-bit
16.5 - Dragon 3.2 by Komodo 64-bit
14.5 - RubiChess 20230410 64-bit
14.0 - Berserk 11.1 64-bit
13.0 - Ethereal 14.00 64-bit
13.0 - Igel 3.5.0 64-bit
12.5 - CS Tal 2.00 64-bit
12.0 - Koivisto 9.0 64-bit
11.5 - Revenge 3.0 64-bit
11.5 - Clover 6.0 64-bit


Web based link for live viewing (courtesy of Jay - Berserk author).
https://ccrl.live/16092

Alternatively, if you install TLCV (Tom's Live Chess Viewer) on your computer, you can watch the games live move by move. You'll also be able to chat to others following the tournament in the chatroom there.
http://kirill-kryukov.com/chess/discuss ... p?id=42959
Host - GrahamCCRL.dyndns.org Port - 16092

Linux users can use Livius:
https://github.com/kmar/livius

There is also a Livius windows version.
It has live pv boards as a nice addition.
http://www.crabaware.com/livius/

[Graham Banks]

THE 70% CHALLENGE

Intel i7-4770k Quad
ChessGUI
256mb hash each where possible
3-4-5 piece tablebases
Ponder off
Active2023.cgb book
40 moves in 16 minutes repeating (adapted for CCRL)
6 cycles 54 rounds

An opening book that is fair, but should produce roughly a 70% draw rate amongst top engines.

Standings after Round 36

22.5 - Stockfish 16 64-bit
21.0 - Dragon 3.2 by Komodo 64-bit
19.0 - RubiChess 20230410 64-bit
18.5 - Berserk 11.1 64-bit
17.0 - Ethereal 14.00 64-bit
17.0 - CS Tal 2.00 64-bit
16.5 - Clover 6.0 64-bit
16.5 - Igel 3.5.0 64-bit
16.0 - Revenge 3.0 64-bit
16.0 - Koivisto 9.0 64-bit


Web based link for live viewing (courtesy of Jay - Berserk author).
https://ccrl.live/16092

Alternatively, if you install TLCV (Tom's Live Chess Viewer) on your computer, you can watch the games live move by move. You'll also be able to chat to others following the tournament in the chatroom there.
http://kirill-kryukov.com/chess/discuss ... p?id=42959
Host - GrahamCCRL.dyndns.org Port - 16092

Linux users can use Livius:
https://github.com/kmar/livius

There is also a Livius windows version.
It has live pv boards as a nice addition.
http://www.crabaware.com/livius/

[Graham Banks]

THE 70% CHALLENGE

Intel i7-4770k Quad
ChessGUI
256mb hash each where possible
3-4-5 piece tablebases
Ponder off
Active2023.cgb book
40 moves in 16 minutes repeating (adapted for CCRL)
6 cycles 54 rounds

An opening book that is fair, but should produce roughly a 70% draw rate amongst top engines.

Standings after Round 45

28.5 - Stockfish 16 64-bit
27.0 - Dragon 3.2 by Komodo 64-bit
24.0 - RubiChess 20230410 64-bit
23.0 - Berserk 11.1 64-bit
22.0 - Ethereal 14.00 64-bit
21.5 - CS Tal 2.00 64-bit
20.5 - Igel 3.5.0 64-bit
20.0 - Clover 6.0 64-bit
19.5 - Revenge 3.0 64-bit
19.0 - Koivisto 9.0 64-bit


Web based link for live viewing (courtesy of Jay - Berserk author).
https://ccrl.live/16092

Alternatively, if you install TLCV (Tom's Live Chess Viewer) on your computer, you can watch the games live move by move. You'll also be able to chat to others following the tournament in the chatroom there.
http://kirill-kryukov.com/chess/discuss ... p?id=42959
Host - GrahamCCRL.dyndns.org Port - 16092

Linux users can use Livius:
https://github.com/kmar/livius

There is also a Livius windows version.
It has live pv boards as a nice addition.
http://www.crabaware.com/livius/

[Graham Banks]

THE 70% CHALLENGE

Intel i7-4770k Quad
ChessGUI
256mb hash each where possible
3-4-5 piece tablebases
Ponder off
Active2023.cgb book
40 moves in 16 minutes repeating (adapted for CCRL)
6 cycles 54 rounds

An opening book that is fair, but should produce roughly a 70% draw rate amongst top engines.

Final Standings

34.0 - Stockfish 16 64-bit
31.5 - Dragon 3.2 by Komodo 64-bit
28.5 - RubiChess 20230410 64-bit
27.0 - Berserk 11.1 64-bit
26.5 - Ethereal 14.00 64-bit
25.5 - CS Tal 2.00 64-bit
24.5 - Igel 3.5.0 64-bit
24.5 - Clover 6.0 64-bit
24.0 - Revenge 3.0 64-bit
24.0 - Koivisto 9.0 64-bit


The complete tournament pgn (zipped) can be downloaded here:
https://kirill-kryukov.com/chess/discus ... p?id=54155

[Graham Banks]