Bartosz_Sobota at Planetary Qualifier Warsaw

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Planetary Premier April 19, 2026 Record 2-4-0 Field 63

Rating after 1,611

-16

Rating before 1,627 RD 75

Rating after 1,611 RD 73

Effective multiplier 1.0×

Performance 1,433

Field strength Mean 1,594 · Median 1,544 · 63 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 1627 → Swiss 1611 -15.7

Top Cut Bracket Full bracket on the event page

Quarterfinals

Beton 0

Gibki 2

Jędrzej Sobota 2

DrakonianLord 1

Harrison_Solo 0

Piotr Jabłoński 2

siny 0

Cuendae 2

Semifinals

Gibki 2

Jędrzej Sobota 0

Piotr Jabłoński 2

Cuendae 0

Finals

Gibki 2

Piotr Jabłoński 0

See full bracket on the event page →

Swiss · 6 matches 2-4 -15.7 1.0× +0.0 -15.7 1611

Total 2-4-0 -15.7 1611

Biggest upset Beat Wojciech Bajger 1666 at 47% odds / surprise +0.53

Costliest loss Lost to SirMesmer 1445 at 65% odds / surprise -0.65 /

Matches (6)

R1 Erik Eroth Kaleta Loss 1-2 1.0× Swiss

R2 Zaglobnik Win 2-0 1.0× +7.2 Swiss

R3 Wojciech Bajger Win 2-0 1.0× +10.5 Swiss

Glicko-2 predicted only 47% odds for you. Upset wins move the rating model strongly because the system learns a lot from results it didn't expect.

R4 Piotr Jabłoński Loss 1-2 1.0× Swiss

R5 SirMesmer Loss 1-2 1.0× Swiss

Glicko-2 predicted 65% odds in your favor. Unexpected losses carry the most rating signal — the system learns more from one upset than from many predictable wins. Their rating wasn't well-established (RD 129, true skill could span ±258).

R6 ArturSoulash Loss 1-2 1.0× Swiss