Build ChessUrge UCI engine for Windows x64
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Install Go 1.24+ from https://go.dev/dl/
In this folder:

  go mod download
  GOOS=windows GOARCH=amd64 go build -trimpath -buildvcs=false -ldflags "-s -w" -o ChessUrgeEngine.exe .

Create engine.json next to the exe:
  {"apiKey":"cu_your_key","baseUrl":"https://chessurge.org","multipv":1}

Create the API key at https://chessurge.org/settings -> API keys.

Infinite analysis: use "go infinite" in your GUI, then "stop".
Unused reserved credits are refunded automatically.
