What is OW ADVISOR?
OW ADVISOR is a hero composition recommendation tool designed for Overwatch parties of 1 to 5 players. Starting from official per-map win rates, it analyzes your party's own match data using Bayesian statistics to suggest optimal hero compositions tailored to specific maps and enemy teams. Supporting 54 heroes and 33 maps, it estimates individual hero strengths, pair synergies, and counter matchups jointly in one statistical model to deliver data-driven recommendations. Free to use, available in English and Japanese.
Who is it for?
- 🎮 Regular Overwatch groups who play together consistently
- 🏆 Competitive teams looking to improve their win rates in ranked play
- 🤝 Casual parties who want to optimize compositions while having fun
- 📊 Players who want to review their match history and analyze performance trends
What can it do?
Match Recording
Record match results by map, side, and phase. Track heroes used and outcomes for each game.
AI Composition Recommendations
Get AI-powered hero composition suggestions based on your accumulated data, tailored to the map and enemy team.
Individual Hero Win Rates
Track each member's win rate per hero to identify strengths and areas for improvement.
Pair Synergy Analysis
Discover which hero combinations work best between party members.
Counter Matchup Analysis
Analyze how your compositions perform against specific enemy team setups.
Statistics Dashboard
View detailed statistics at a glance with breakdowns by map, hero, and more.
How it works
Record your match results
Enter the map, heroes used, and match outcome. You can also include phase and side details.
The system builds statistical models
Bayesian statistical models are constructed from your recorded data, automatically analyzing hero performance and synergies.
Get personalized recommendations
Specify a map and enemy composition to receive hero composition suggestions optimized for your party.
What it does NOT do
- ✖ Does not use other players' or groups' match data. The only general data is the official per-map hero win rates and matchup meta knowledge, which your party's own match history then adjusts.
- ✖ Does not guarantee wins. Recommendations are data-driven suggestions, not guarantees of success.
- ✖ Not affiliated with Blizzard Entertainment. This is an unofficial fan-made tool.
- ✖ Does not track gameplay in real-time. Match results are entered manually.
Technical highlights
Individual + Pair + Counter
estimated jointly in one model
Logistic regression anchored on official win rates
for stable analysis even with limited data
Share from your records
(general data → your own games)