Des Johnston

Profile image of Des Johnston
Full name: Des Johnston
Current rank: =139 since Sept. 18, 2017
Highest Rank: 100 first reached Oct. 10, 2016 (1 week in total)
2017 race rank: 314
2016 rank: 97
2015 rank: 312
Titles/finals: 0/0

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
20161008 Dublin Freshers 2016 third place match
Oisin Carroll
1417
1596 P
-179
26.3 %
16.7 %
-9.6 %
Lose
Lost
-
65
1399
-18
20161008 Dublin Freshers 2016 semi-final
Thomas Horner
1444
1516 P
-72
39.8 %
16.7 %
-23.1 %
Lose
Lost
-
66
1417
-27
20161008 Dublin Freshers 2016 round of 8
Peter Fletcher
1405 P
1466 P
-61
41.3 %
60.0 %
+18.7 %
Lose
Won
Win
68
1444
+39
20160527 Galway 2016 round of 8
Nate MacDonnell
1431 P
1533 P
-102
35.7 %
37.5 %
+1.8 %
Lose
Lost
-
70
1405 P
-26
20151114 Circus Festival Ireland 2015 round of 8
Matthew Sexton
1463 P
1502 P
-39
44.4 %
Lose
Lost
-
72
1431 P
-32
20150529 Galway 2015 round of 16
James Donnellan
1500 P
1500 P
0
50.0 %
50/50
Lost
-
74
1463 P
-37

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