Rankings / Prander / Planetary Qualifier Grosseto

Prander at Planetary Qualifier Grosseto

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Planetary Premier April 19, 2026 Record 4-3-0
Rating after 1,532
+49
Rating before 1,483 RD 97
Rating after 1,532 RD 93
Effective multiplier 1.02x 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 · 6 matches 4-2 +58.6 1.0× +58.6 1541
Quarterfinals · 1 match 0-1 -8.7 1.15× -10.0 1531
Total 4-3-0 +49.3 1532

Phase numbers use each opponent’s pre-tournament rating (the one shown on the leaderboard). The engine uses the opponent’s rating at the moment of the match — which for top-cut rounds includes their own Swiss performance — so the phase contributions above are approximate for Quarterfinals, Semifinals, and Finals. The Total is the engine’s actual output.

Biggest upset Beat Fidia 1765 at 28% odds / surprise +0.72
Costliest loss Lost to Servetz 1687 at 33% odds / surprise -0.33

Matches (7)

Round HRI Opponent Result Odds Game W-L Multiplier Δ Type
R1 1592 AleRiccu Win 41% 2-1 1.0x +18.9 Swiss
R2 1687 Baffo139 Win 33% 2-1 1.0x +21.7 Swiss
▲ R3 1765 Fidia Win 28% 2-1 1.0x +23.6 Swiss
R4 1793 CavalierCanzone Loss 26% 0-2 1.0x -8.4 Swiss
▼ R5 1687 Servetz Loss 33% 1-2 1.0x -10.8 Swiss
R6 1649 Giafo Win 36% 2-0 1.0x +20.6 Swiss
QF 1793 CavalierCanzone Loss 30% 1-2 1.15x -9.6 Top Cut

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.