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To customize your view, use the following options:
1. Competitive period and week
- Dropdown 1: select a competitive period (e.g. SON 2025)
- Dropdown 2: select a competition week (e.g. Competition Week 1 (Thu 14-Aug-2025))
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Click any RPSS score in the leaderboard to view the corresponding forecast in the ECMWF-hosted sub-seasonal AI forecasting portal.
There are two main types of RPSS leaderboard (buttons before the leaderboards allow you to switch between the following two views):
1. Period-aggregated RPSS leaderboard
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