Kari Derks
| Club | De Zwaardkring |
| Nationality | Netherlands |
Badges
| Charity tournament participant (HVN Singlestick Charity Tournament 2026) |
Ratings
| Category | Rank (current) | Weighted Rating (current) | Rank (best) | Weighted Rating (best) |
|---|---|---|---|---|
| Longsword | ||||
| - Mixed & Men's Steel Longsword | 3083 (top 43%) | 1173.7 | 3025 (November 2025) | 1178.2 (November 2025) |
| Singlestick | ||||
| - Mixed & Men's Singlestick | 419 (top 83% of island) | 876.6 | 419 (March 2026) | 877.3 (February 2026) |
Record
| Division | Total | Win | Loss | Draw | Other |
|---|---|---|---|---|---|
| Mixed Steel Longsword | 23 | 9 | 11 | 3 | 0 |
| Mixed Singlestick | 8 | 2 | 6 | 0 | 0 |
| Sum | 31 | 11 | 17 | 3 | 0 |
Full rating histories
Mixed & Men's Steel Longsword
May 2025
4835
939.4
June 2025
4014
1046.4
July 2025
4089
1045.6
August 2025
4154
1044.8
September 2025
4213
1044
October 2025
3028
1171.2
November 2025
3025
1178.2
December 2025
3056
1177.1
January 2026
3072
1176
February 2026
3109
1174.8
March 2026
3083
1173.7
Mixed & Men's Singlestick
The fighter has been on an island, I.E. has no direct link to most fighters, in 2 out of 2 months
February 2026
424
877.3
March 2026
419
876.6
Match results
Mixed & Men's Steel Longsword - 23 fights
November 2025 - Zuiderslag 2025
Zuiderslag 2025
| Division | Stage | Opponent | Outcome | Opponent rating | Win chance |
|---|---|---|---|---|---|
| Mixed Steel Longsword (Tier B) | Pools | Ilse Disco | WIN | Unrated | |
| Mixed Steel Longsword (Tier B) | Pools | Lars Huijs | LOSS | Unrated | |
| Mixed Steel Longsword (Tier B) | Pools | Arno Kockx | WIN | 599.06 | 76% |
| Mixed Steel Longsword (Tier B) | Pools | Alex Xudong Sun | LOSS | Unrated | |
| Mixed Steel Longsword (Tier B) | Pools | Didier Hayen | DRAW | 1148.31 | 53% |
| Mixed Steel Longsword (Tier B) | Top 32 | Alex Xudong Sun | LOSS | Unrated |
October 2025 - NHK #2 Langzwaard 2025
NHK #2 Langzwaard 2025
| Division | Stage | Opponent | Outcome | Opponent rating | Win chance |
|---|---|---|---|---|---|
| Mixed Steel Longsword (Tier 2) | Pools | Tino Kort | WIN | 1019.33 | 52% |
| Mixed Steel Longsword (Tier 2) | Pools | Fritz Tjong-Ayong | DRAW | 1202.14 | 39% |
| Mixed Steel Longsword (Tier 2) | Pools | Maarten van Keulen | WIN | Unrated | |
| Mixed Steel Longsword (Tier 2) | Pools | Pascal Vissers | WIN | 450.22 | 76% |
| Mixed Steel Longsword (Tier 2) | Pools | John Dekker | LOSS | Unrated | |
| Mixed Steel Longsword (Tier 2) | Top 16 | Ricardo Jesús Blanes Blancas | WIN | 1153.06 | 49% |
| Mixed Steel Longsword (Tier 2) | Top 8 | Thomas Batenburg | LOSS | 1099.59 | 50% |
June 2025 - More Fighting 2025
More Fighting 2025
| Division | Stage | Opponent | Outcome | Opponent rating | Win chance |
|---|---|---|---|---|---|
| Mixed Steel Longsword | Pools | Bryan Trepels | LOSS | 1274.79 | 41% |
| Mixed Steel Longsword | Pools | Rafal Chmarek | LOSS | 1346.31 | 33% |
| Mixed Steel Longsword | Pools | Mart van den Burg | LOSS | 1640.79 | 22% |
| Mixed Steel Longsword | Pools | Luca van Rijn | DRAW | 1321.99 | 39% |
| Mixed Steel Longsword | Pools | Jannes Goedbloed | WIN | Unrated |
May 2025 - NHK 2025: Evenement 1
NHK 2025: Evenement 1
| Division | Stage | Opponent | Outcome | Opponent rating | Win chance |
|---|---|---|---|---|---|
| Mixed Steel Longsword (Tier B) | Pools | Teun van Sprang | LOSS | Unrated | |
| Mixed Steel Longsword (Tier B) | Pools | Tom Verschoore de la Houssaije | LOSS | 961.31 | |
| Mixed Steel Longsword (Tier B) | Pools | Jasper Verstappen | WIN | 981.81 | |
| Mixed Steel Longsword (Tier B) | Pools | Ruud Schravesande | LOSS | Unrated | |
| Mixed Steel Longsword (Tier B) | Pools | Tjeard Attema | WIN | Unrated |
Mixed & Men's Singlestick - 8 fights
February 2026 - HVN Singlestick Charity Tournament 2026
HVN Singlestick Charity Tournament 2026
| Division | Stage | Opponent | Outcome | Opponent rating | Win chance |
|---|---|---|---|---|---|
| Mixed Singlestick | Pool Pools | Luc Wehbe | LOSS | 885.21 | |
| Mixed Singlestick | Pool Pools | Mykhaylo Skorobogatov | LOSS | 1716.57 | |
| Mixed Singlestick | Pool Pools | Jaap Koster | WIN | 919.36 | |
| Mixed Singlestick | Pool Pools | Eline Rietema | WIN | 871.79 | |
| Mixed Singlestick | Seeding Pools | Nordin Youhat | LOSS | 990.96 | |
| Mixed Singlestick | Seeding Pools | Eline Rietema | LOSS | 871.79 | |
| Mixed Singlestick | Seeding Pools | Ronin De Rooy | LOSS | Unrated | |
| Mixed Singlestick | Seeding Pools | Mark Gijswijt | LOSS | 1328.28 |