Keiju Hirooka

Profile image of Keiju Hirooka
Full name: Keiju Hirooka
Current rank: unranked since October 7, 2024
Highest Rank: 39th first reached October 9, 2023 (9 weeks in total)
Highest Year-End Rank: 38th (2023)
Titles/finals: 0/1
Elo Rating: 1564 (provisional Elo)

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 on column headers to sort the table.

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
2023‑10‑07 Japan Juggling Festival 2023
final
Iver Tronstad
Lost
1573 P
1919
-346
12.0 %
16.7 %
+4.7 %
Lose
Lost
-
70
1564 P
-9
2023‑10‑07 Japan Juggling Festival 2023
semi-final
Kento Tanioka
Won
1537 P
1537 P
0
50.0 %
55.6 %
+5.6 %
50/50
Won
-
72
1573 P
+36
2023‑10‑07 Japan Juggling Festival 2023
round of 8
Takuzo
Won
1500 P
1500 P
0
50.0 %
83.3 %
+33.3 %
50/50
Won
-
74
1537 P
+37

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