Sebastian Siwiec

Profile image of Sebastian Siwiec
Full name: Sebastian Siwiec
Current rank: 38 since July 15, 2024
Highest Rank: 35 first reached June 24, 2024 (3 weeks in total)
2023: 35
Titles/finals: 0/1
Elo Rating: 1565

Elo Ratings per Match since January 2013

Choose a table: Match scores, player Elo ratings, player rankings.

A player's elo rating is considered provisional (P) until they have either completed six matches or played matches at at least three different tournaments.

The probability of winning is equal to the predicted share of points scored. A player rated 200 above another corresponds to a 76% chance of winning.

The K value is a development coefficient, and it reduces large swings in the ratings of established players. The K value reduces over time, similar to 538's elo ratings for tennis players: 250/((player's match count+15)**(0.4)))-10

Click table headers to sort.

Date Tournament Round Opponent   Elo Rating
Player

Opponent

Difference
  Share of Points
Predicted

Actual

Difference
  Final Result
Predicted

Actual

Difference
K-Factor Next Elo Change
20230812 OFCA 2023 third place match
Jordaan de Cuyper
1538
1492 P
+46
56.6 %
83.3 %
+26.8 %
Win
Won
-
63
1565
+27
20230812 OFCA 2023 semi-final
Jerzy Kozłowski
1569
1589
-20
47.1 %
16.7 %
-30.5 %
Lose
Lost
-
65
1538
-31
20230812 OFCA 2023 round of 8
Kamil Malecki
1541 P
1496
+45
56.4 %
83.3 %
+26.9 %
Win
Won
-
66
1569
+28
20230802 EJC 2023 Lublin round of 32
Vašek Peca
1555 P
1798
-243
19.8 %
16.7 %
-3.1 %
Lose
Lost
-
68
1541 P
-14
20230720 Ostroda 2023 final
Krzysztof Kostera
1571 P
1793
-222
21.8 %
16.7 %
-5.1 %
Lose
Lost
-
70
1555 P
-16
20230720 Ostroda 2023 semi-final
Jerzy Kozłowski
1528 P
1601
-73
39.6 %
55.6 %
+15.9 %
Lose
Won
Win
72
1571 P
+43
20230720 Ostroda 2023 round of 8
Jan Zdunkiewicz
1500 P
1414
+86
62.1 %
62.5 %
+0.4 %
Win
Won
-
74
1528 P
+28

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