Then stop tinkering and make it face races that haven't happened yet.Paper-trade it forward.If it survives that stage, start cautiously and continue recording the results.The Inform Racing System Builder can make the research considerably quicker by allowing ideas to be tested against historical racing data and then used to find qualifying runners in future declarations. But software can't decide whether an idea makes sense.
That's still your job.And perhaps that's the most important lesson in system building.Don't build a system that perfectly explains yesterday. Build one simple enough, logical enough and robust enough to have a chance of working tomorrow.
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