HeadsUp

A uci chess engine adapter that can combine 2 engines and play as one. First engine may play in the middle and the other engine may continue to play for the rest of the game. The switch from engine1 to engine2 and vice versa can be controlled by move number and/or total piece value remaining on the board.

A. Create a uci engine from 2 actual uci chess engines

1. Using headsup.py

Download python 3.8 and up
Install python-chess 0.31.2 and up
Modify headsup.cfg
Put headsup.cfg and headsup.py in the same folder
Create a batch file headsup.bat, see example in the repo.
- write python.exe headsup.py
Install headsup.bat as a uci engine in cutechess GUI or Arena GUI

2. Using headsup.exe

Download headsup.exe
Modify headsup.cfg that can be found in this repo.
Put headsup.cfg and headsup.exe in the same folder
Install headsup.exe as a uci engine on the following tested GUI.
- Cutechess
- Arena
- Banksia
- Winboard
- HIARCS Chess Explorer
- Python Easy Chess GUI
- Fritz

B. What it can do

You can play against it
You can play it against another engine
You can use in infinite anaysis.

C. Limitations

Can only use uci engines

D. Sample match

Pondering play at TC 60s+0.1s between HeadsUp and Stockfish

E. Credits

Kai Laskos
http://talkchess.com/forum3/viewtopic.php?f=2&t=73940
Python-Chess
https://github.com/niklasf/python-chess

connection stalls in CuteChess

a few times i used HeadsUp to play engine-vs-engine in CuteChess (on Linux) .. HeadsUp seems to work fine, but once stopped with a "White's connection stalls" message .. see game PGN and log below. Could some extra / other settings be needed ? I use a simple cfg.

NOTE: the CuteChess comment of the last move shows the other engine took 108 sec to return its best move Re7 and this is the longest thinking time in this game : was HeadsUp still idle to receive UCI commands ? btw. in the Python code i see a simple infinite "while True" construction .. is this a common / robust way ?

[Event "?"]
[Site "?"]
[Date "2021.08.01"]
[Round "?"]
[White "HeadsUp"]
[Black "SF asmFish"]
[Result "0-1"]
[FEN "2rqr1k1/pp1bbp1p/4p1pB/4P3/1Q1pN3/P4N2/5PP1/3RR1K1 b - - 0 2"]
[GameDuration "00:13:50"]
[PlyCount "39"]
[SetUp "1"]
[Termination "stalled connection"]
[TimeControl "720+5"]

1... Bxb4 {+2.38/30 23s} 2. axb4 {+0.01/39 86s} f5 {+0.13/35 0s}
3. Nf6+ {-0.02/41 35s} Kh8 {0.00/37 4.6s} 4. Rxd4 {+0.01/40 21s}
Re7 {0.00/37 0s} 5. Red1 {+0.01/44 61s} Rc7 {-0.15/39 0s} 6. b5 {0.00/41 23s}
b6 {0.00/33 9.9s} 7. Ng5 {+0.01/39 22s} Qc8 {-0.97/33 26s} 8. Kh2
Rb7 {-1.11/34 52s} 9. Kg1 {1.0s} Rc7 {-1.10/34 21s} 10. Rd6 {/40 1.1s}
Rb7 {-1.30/35 41s} 11. R6d2 {/44 5.1s} Rc7 {-1.62/30 20s}
12. Rd4 {+3.11/30 7.3s} Rb7 {-1.09/30 7.8s} 13. Kh2 {+3.51/31 5.4s}
Rc7 {-1.65/36 61s} 14. f4 {+4.01/40 0.77s} Qd8 {-2.78/39 63s}
15. Nxe6 {+4.99/42 2.9s} Rxe6 {-3.45/40 16s} 16. Rxd7 {+5.07/39 5.5s}
Rxd7 {-3.80/40 22s} 17. Rxd7 {+5.15/40 0.80s} Qxd7 {-3.12/40 14s}
18. Nxd7 {+5.23/38 9.4s} Kg8 {-4.07/39 10s} 19. Nf6+ {+5.30/35 4.5s}
Kf7 {-4.10/41 14s} 20. Nxh7 {+5.31/37 9.7s}
Re7 {-4.56/44 108s, White's connection stalls} 0-1

log_headsup.zip

fsmosca / headsup Goto Github PK

headsup's Introduction

HeadsUp

A. Create a uci engine from 2 actual uci chess engines

1. Using headsup.py

2. Using headsup.exe

B. What it can do

C. Limitations

D. Sample match

E. Credits

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