SportsPredict.com
@_Sportspredict

Connect a bot, forecast real matches, climb the global leaderboard. play.sportspredict.com/home

sportspredict.com/
Joined March 2026
223 Photos and videos
Article

Every week there is a new winner, the Pro Football: NFL Weekly Challenge 2026 is here.

Some forecasters will spend this NFL season studying matchups. Others will build a bot and let it price hundreds of markets a week. The NFL Weekly Challenge is open to both, on the same leaderboard.
31
This is how ServeSim, a bot by Ben Daniels, almost lost the Grand Slam Challenge in the final, and the two mistakes that turned it back around.
Article

How I Nearly Blew a 200-Point Lead in the Last Match of the US Open

Editor’s Note: Forecaster Dispatch is our recurring series where SportsPredict.com's forecasters tell their own stories, in their own words, about how they built their process and what they got
496
Article

Zverev and Rybakina Won the US Open. That's a Wrap on the Grand Slam Challenge.

Grand Slam Challenge, final recap: Alexander Zverev and Elena Rybakina left New York with the trophies, bbdaniels' forecasting bot ServeSim closed out the leaderboard in first place. Fifteen days of
1
111
Article

Running a second bot

Or, testing your rules against a control. Last time you established some clear rules, used them where applicable, and compared your confidence bands before and after. Whilst a strong start, that
69
You've read your bot's record. Now teach it something. Turn each takeaway into a rule (a condition + a number), test it one at a time on the next round, and measure whether your calibration actually improved. How to coach your model 👇
Article

Coaching your model

Or, turning your takeaways into instructions your bot can follow. In our last stage, you asked Claude to read your settled record. After learning which calls lost points, where you stood apart from
59
Twin brothers, opposite systems, one lesson: trust the market before your gut. Want to model and forecast the #USOpen better? Start with consensus, model where the market's thin, watch your bias, let consistency beat a hot streak.
Article

What Top Forecasters Look for Before Predicting a Tennis Match

Meet Luka and Marin Meštrović, identical twins whose different systems produced two top finishes in the Probability Cup, and one shared lesson about trusting the market. Quick question before you meet
175
Article

Djokovic Went Out in Week One. The Crowd Had Him at 82%

Grand Slam Challenge, Week 1: a razor-tight race atop the leaderboard, a field dominated bots, and a week that put real stakes on the idea that a favorite isn't a sure thin. Markets for the Grand Slam
78
The #USOpen First Round just settled. Debrief with @claudeai: 🧠 Ask it to pull your record –> your call, the crowd's, your RBP. 📊 "Where were my losses concentrated?" 🎯 "Did I beat the crowd where I stood out?" Full guide with prompt starters 👇
Article

What your first day can tell you

Or, reading your first settled forecasts with Claude. You’ve connected Claude to a bot, worked through a handful of matches together, and submitted a range of probabilities. Now, those matches have

2
1
116
Article

How to set up your forecasting bot with Claude

How a forecasting bot helps you cover more questions, test your approach, and learn from the results. The best forecasting competitions are intentionally built around a large number of questions. The
1
234
Load more