JPC at Planetary Qualifier Groton

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Planetary Premier April 25, 2026 Record 1-3-0 Field 69

Rating after 1,692

-38

Rating before 1,730 RD 88

Rating after 1,692 RD 87

Effective multiplier 1.0×

Performance 1,231

Field strength Mean 1,570 · Median 1,540 · 68 rated

// 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.

Shape D top-cut adjustments QF SF F Wins +0.12 +0.18 +0.25 Losses -0.18 -0.27 -0.35

Making cut at this Planetary event adds a flat +15 top-cut bonus on top of phase math. Making cut never costs you net rating — the made-cut floor pins the tournament delta to ≥ 0.

Start 1730 → Swiss 1692 -38.4

Top Cut Bracket Full bracket on the event page

Quarterfinals

Yame 1

BobbySapphire 2

Map_The_Great 0

Jason Seabury 2

Eric Hunter 1

Farmboy087 2

Elgringito 0

Flippityfloop 2

Semifinals

BobbySapphire 0

Jason Seabury 2

Farmboy087 0

Flippityfloop 2

Finals

Jason Seabury 2

Flippityfloop 1

See full bracket on the event page →

Swiss · 4 matches 1-3 -38.4 1.0× +0.0 -38.4 1692

Total 1-3-0 -38.4 1692

Biggest upset Beat Todd Green 1531 at 66% odds / surprise +0.34

Costliest loss Lost to Map_The_Great 1500 at 68% odds / surprise -0.68 /

Matches (4)

Odds is the pre-match win probability the system gave you. Δ is the approximate per-match rating change — Glicko-2 batches matches per phase, so these are intuitive estimates, not the authoritative phase total above.

R1 SpectreZero Loss 1-2 1.0× Swiss

R2 Todd Green Win 2-1 1.0× Swiss

R3 Map_The_Great Loss 1-2 1.0× Swiss

R4 maciej710 Loss 0-2 1.0× Swiss