Who is the best hero in Overwatch on Rialto for Diamond players?

Ana currently leads with a 51.8% win rate and 47.7% pick rate on Rialto. Ashe and Pharah round out the top 3.

Which heroes are S-tier heroes in Overwatch in Diamond on Rialto?

S-tier on Rialto: Ana, Ashe, Pharah, Dmon.

How is this Overwatch tier list calculated?

Heroes are scored from a weighted blend of win rate (70%) and pick rate (30%) across competitive matches in Diamond ranks, with a minimum pick rate of 0.5% to filter out off-meta noise. S/A/B/C/D cutoffs are percentile-based across the resulting score distribution.

How often is the tier list updated?

Daily. The current snapshot covers competitive matches from 2026-09-02 to 2026-09-08 (7-day rolling window).

Overwatch Diamond Tier List on Rialto (7-day)

Auto-generated Overwatch tier list on Rialto for Diamond players, derived from a 7-day window of ranked play. Win-rate and pick-rate weighted, refreshed daily.

Last updated Wed, 09 Sep 2026 02:10:14 GMT · data window 2026-09-02 → 2026-09-08

In Diamond ranks competitive Overwatch on Rialto, the current top picks are Ana, Ashe, Pharah and Dmon. Rankings combine win rate and pick rate over a 7-day window of ranked play, refreshed daily.

Map

Ana51.8% WR · 47.7% PR · 7.8% BR51.8% WR47.7% PR7.8% BR

Ashe54.7% WR · 20.6% PR · 2.8% BR54.7% WR20.6% PR2.8% BR

How tiers are computed

Pick-rate-weighted win rate and average pick rate are z-scored within this slice. Composite score = 0.7 * z(win_rate) + 0.3 * z(pick_rate). Heroes are sorted by score and bucketed by score percentile.

Pick-rate floor: heroes below 0.5% pick rate in the slice are excluded.
Score weights: 0.7 x z(win rate) + 0.3 x z(pick rate).
Tier cutoffs (by score percentile, of 53 eligible heroes): S = top 8% · A = top 17% · B = top 25% · C = top 25% · D = top 25%.

FREQUENTLY ASKED

Who is the best hero in Overwatch on Rialto for Diamond players?: Ana currently leads with a 51.8% win rate and 47.7% pick rate on Rialto. Ashe and Pharah round out the top 3.
Which heroes are S-tier heroes in Overwatch in Diamond on Rialto?: S-tier on Rialto: Ana, Ashe, Pharah, Dmon.
How is this Overwatch tier list calculated?: Heroes are scored from a weighted blend of win rate (70%) and pick rate (30%) across competitive matches in Diamond ranks, with a minimum pick rate of 0.5% to filter out off-meta noise. S/A/B/C/D cutoffs are percentile-based across the resulting score distribution.
How often is the tier list updated?: Daily. The current snapshot covers competitive matches from 2026-09-02 to 2026-09-08 (7-day rolling window).

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