Rankings / Jeff Gottstein / Planetary Qualifier São Paulo

Jeff Gottstein at Planetary Qualifier São Paulo

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Planetary Premier April 18, 2026 Record 3-4-0
Rating after 1,487
-24
Rating before 1,511 RD 87
Rating after 1,487 RD 80
Effective multiplier 1.0x delta-weighted

// rating math · glicko-2 phase replay

How this rating change was computed

Glicko-2 doesn’t reward record — it rewards surprise. Winning a match the system expected you to win is worth almost nothing. Losing one is expensive. Losing to someone rated below you costs the most. The Planetary tier multiplier (1.0×) amplifies every gain and every loss. Top-cut rounds add more on top (Quarterfinals +0.15, Semifinals +0.25, Finals +0.35).

Phase Record Raw Glicko-2 Multiplier Applied Running
Swiss · 7 matches 3-4 -23.6 1.0× -23.6 1487
Total 3-4-0 -23.6 1487
Biggest upset Beat GuilhermeAlcantara 1755 at 27% odds / surprise +0.73
Costliest loss Lost to CT_Manuel 1320 at 69% odds / surprise -0.69

Matches (7)

Round HRI Opponent Result Odds Game W-L Multiplier Type
R1 1362 Murilorv Loss 64% 1-2 1.15x Swiss
▼ R2 1320 CT_Manuel Loss 69% 1-2 1.15x Swiss
R3 1388 valdineijaba Win 62% 2-0 1.15x Swiss
R4 1425 André Dea Win 59% 2-1 1.15x Swiss
▲ R5 1755 GuilhermeAlcantara Win 27% 2-0 1.15x Swiss
R6 1516 JARS_MJ85 Loss 49% 1-2 1.15x Swiss
R7 1381 cavaleirothi_STK Loss 63% 0-2 1.15x Swiss

Per-match multipliers reflect what the engine applied at the time this snapshot was recorded. The Effective Multiplier above is a delta-weighted average across all phases — Finals matches swing the headline more than Swiss rounds when they produced bigger rating changes. How it works.