Thom Herzmark

Profile image of Thom Herzmark
Full name: Thom Herzmark
Current rank: 25th since April 13, 2026
Highest Rank: 25th first reached April 13, 2026 (1 week in total)
Highest Year-End Rank: 44th (2024)
Titles/finals: 0/1
Elo Rating: 1535

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 Result   Elo Rating
Player

Opponent

Difference
  Share of Points
Predicted

Actual

Difference
  Final Result
Predicted

Actual

Difference
K-Factor Next Elo Change
2026‑04‑07 BJC 2026 Preston
third place match
Jon Peat
Lost
1549
1751
-202
23.8 %
28.6 %
+4.8 %
Lose
Lost
-
56
1535
-14
2026‑04‑07 BJC 2026 Preston
semi-final
Cristobal Bascur
Lost
1583
1522
+61
58.7 %
37.5 %
-21.2 %
Win
Lost
Upset Loss
57
1549
-34
2026‑04‑07 BJC 2026 Preston
round of 8
Rob Woolley
Won
1548
1629
-81
38.5 %
83.3 %
+44.8 %
Lose
Won
Upset Win
58
1583
+35
2026‑04‑07 BJC 2026 Preston
round of 16
Matthew John Kerr
Won
1533
1350
+183
74.1 %
83.3 %
+9.2 %
Win
Won
-
60
1548
+15
2025‑10‑04 Cambridge 2025
final
Jon Peat
Lost
1549
1736
-187
25.4 %
28.6 %
+3.2 %
Lose
Lost
-
61
1533
-16
2025‑10‑04 Cambridge 2025
semi-final
Callie Lawrie
Won
1502
1703
-201
23.9 %
55.6 %
+31.6 %
Lose
Won
Upset Win
62
1549
+47
2025‑10‑04 Cambridge 2025
round of 8
Abigail Heath
Won
1483
1346
+137
68.8 %
83.3 %
+14.6 %
Win
Won
-
63
1502
+19
2024‑07‑27 EJC 2024 Ovar
round of 32
Michal Keda
Lost
1507
1606
-99
36.1 %
37.5 %
+1.4 %
Lose
Lost
-
65
1483
-24
2024‑06‑21 Hannover 2024
round of 8
Sebastian Martini
Lost
1525 P
1696
-171
27.2 %
28.6 %
+1.4 %
Lose
Lost
-
66
1507
-18
2024‑03‑28 BJC 2024 Open
round of 8
Jon Peat
Lost
1542 P
1739
-197
24.3 %
28.6 %
+4.2 %
Lose
Lost
-
68
1525 P
-17
2024‑03‑28 BJC 2024 Open
round of 16
Leo Blake
Won
1512 P
1470 P
+42
56.0 %
83.3 %
+27.3 %
Win
Won
-
70
1542 P
+30
2018‑07‑25 Cumbria 2018
round of 8
Jon Peat
Lost
1531 P
1714
-183
25.9 %
28.6 %
+2.7 %
Lose
Lost
-
72
1512 P
-19
2018‑07‑25 Cumbria 2018
round of 16
Nick Emmerson
Won
1500 P
1448 P
+52
57.4 %
71.4 %
+14.0 %
Win
Won
-
74
1531 P
+31

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