Analysis engine's "field" property of error response is "rules" when it should be "komi"

[kendfrey]

Input

{"analyzeTurns":[2],"boardXSize":19,"boardYSize":19,"id":"26","komi":3.14,"moves":[["B","Q16"],["W","D4"]],"rules":"chinese"}

Output

{"error":"Must be a integer or half-integer from -150.0 to 150.0","field":"rules","id":"26"}

Expected behaviour

The field property should have the value "komi" rather than "rules".

Note: field correctly contains "komi" when komi is out of bounds. This bug seems to be triggered by non-half-integer values of komi.

Version: KataGo v1.16.3

[HarangPanul]

I can reproduce this bug on the master branch (commit 92ad583).

$ echo '{"analyzeTurns":[2],"boardXSize":19,"boardYSize":19,"id":"26","komi":3.14,"moves":[["B","Q16"],["W","D4"]],"rules":"chinese"}' | cpp/build_debug/katago analysis -config cpp/configs/analysis_example.cfg -model ~/Downloads/kata1-b28c512nbt-s12674021632-d5782420041.bin.gz 
2026-05-10 11:29:33+0900: Running with following config:
logDir = analysis_logs
maxVisits = 500
nnCacheSizePowerOfTwo = 23
nnMaxBatchSize = 64
nnMutexPoolSizePowerOfTwo = 17
nnRandomize = true
numAnalysisThreads = 2
numSearchThreads = 16
reportAnalysisWinratesAs = BLACK

2026-05-10 11:29:33+1100: Analysis Engine starting...
2026-05-10 11:29:33+1100: KataGo v1.16.4
2026-05-10 11:29:33+1100: nnRandSeed0 = 14647360617131339026
2026-05-10 11:29:33+1100: After dedups: nnModelFile0 = /home/a/Downloads/kata1-b28c512nbt-s12674021632-d5782420041.bin.gz useFP16 auto useNHWC auto
2026-05-10 11:29:33+1100: Initializing neural net buffer to be size 19 * 19 allowing smaller boards
2026-05-10 11:29:37+1100: Cuda backend thread 0: Found GPU NVIDIA GeForce RTX 5060 Ti memory 16619667456 compute capability major 12 minor 0
2026-05-10 11:29:37+1100: Cuda backend thread 0: Model version 15 useFP16 = true useNHWC = true
2026-05-10 11:29:37+1100: Cuda backend thread 0: Model name: kata1-b28c512nbt-s12674021632-d5782420041
2026-05-10 11:29:40+1100: Loaded config cpp/configs/analysis_example.cfg
2026-05-10 11:29:40+1100: Loaded model /home/a/Downloads/kata1-b28c512nbt-s12674021632-d5782420041.bin.gz
2026-05-10 11:29:40+1100: Analyzing up to 2 positions at a time in parallel
2026-05-10 11:29:40+1100: Started, ready to begin handling requests
2026-05-10 11:29:40+1100: {"error":"Must be a integer or half-integer from -150.0 to 150.0","field":"rules","id":"26"}
Error: {"error":"Must be a integer or half-integer from -150.0 to 150.0","field":"rules","id":"26"}
2026-05-10 11:29:40+1100: /home/a/Downloads/kata1-b28c512nbt-s12674021632-d5782420041.bin.gz
2026-05-10 11:29:40+1100: NN rows: 0
2026-05-10 11:29:40+1100: NN batches: 0
2026-05-10 11:29:40+1100: NN avg batch size: -nan
2026-05-10 11:29:40+1100: GPU -1 finishing, processed 0 rows 0 batches
2026-05-10 11:29:40+1100: All cleaned up, quitting

[rooklift]

The exact issue is here:

KataGo/cpp/command/analysis.cpp

Line 923 in 92ad583

reportErrorForId(rbase.id, "rules", msg);

[lightvector]

Thanks! Addressed in 8aa2f6b

It's also been a while since the last release and a few misc fixes like this have piled up so I'll prep a new release, likely within the next 2 weeks.