Isobel Zijlstra
| Club | Zwaard & Steen |
| Nationality | Netherlands |
Ratings
| Category | Rank (current) | Weighted Rating (current) | Rank (best) | Weighted Rating (best) |
|---|---|---|---|---|
| Longsword | ||||
| - Mixed & Men's Steel Longsword | Inactive | 933.1 | 2582 (May 2023) | 949.6 (May 2023) |
| - Women's Steel Longsword | Inactive | 954.1 | 111 (May 2022) | 1008 (May 2022) |
| - Underrepresented Genders & Women's Steel Longsword | Inactive | 954.1 | 111 (May 2022) | 1008 (May 2022) |
Record
| Division | Total | Win | Loss | Draw | Other |
|---|---|---|---|---|---|
| Women's Steel Longsword | 8 | 2 | 6 | 0 | 0 |
| Mixed Steel Longsword | 6 | 2 | 4 | 0 | 0 |
| Sum | 14 | 4 | 10 | 0 | 0 |
Full rating histories
Mixed & Men's Steel Longsword
Missing sections mean that the fighter was inactive, I.E. had not competed in 24 months or more.
The fighter's last active period was in April 2025
May 2023
2582
949.6
June 2023
2717
948.9
July 2023
2828
948.2
August 2023
2851
947.5
September 2023
2938
946.8
October 2023
3029
946.1
November 2023
3127
945.4
December 2023
3150
944.7
January 2024
3250
944
February 2024
3293
943.3
March 2024
3382
942.6
April 2024
3440
941.9
May 2024
3503
941.2
June 2024
3638
940.5
July 2024
3702
939.8
August 2024
3768
939.2
September 2024
3838
938.5
October 2024
3965
937.8
November 2024
4099
937.1
December 2024
4169
936.4
January 2025
4198
935.8
February 2025
4257
935.1
March 2025
4418
934.4
April 2025
4441
933.8
May 2025
933.1
Underrepresented Genders & Women's Steel Longsword
The fighter has been on an island, I.E. has no direct link to most fighters, in 4 out of 37 months
Missing sections mean that the fighter was inactive, I.E. had not competed in 24 months or more.
The fighter's last active period was in April 2025
May 2022
111
1008
June 2022
120
1007.5
July 2022
127
1006.9
August 2022
135
1006.3
September 2022
154
1005.7
October 2022
161
1005.1
November 2022
183
1004.6
December 2022
187
1004
January 2023
197
1003.4
February 2023
210
1002.8
March 2023
221
1002.3
April 2023
245
1001.7
May 2023
271
971.1
June 2023
286
970.4
July 2023
297
969.7
August 2023
301
968.9
September 2023
323
968.2
October 2023
335
967.5
November 2023
353
966.8
December 2023
359
966
January 2024
381
965.3
February 2024
395
964.6
March 2024
404
963.9
April 2024
431
963.2
May 2024
439
962.5
June 2024
452
961.8
July 2024
460
961.1
August 2024
469
960.3
September 2024
489
959.6
October 2024
509
958.9
November 2024
517
958.2
December 2024
525
957.5
January 2025
529
956.8
February 2025
536
956.1
March 2025
551
955.4
April 2025
562
954.8
May 2025
954.1
Women's Steel Longsword
The fighter has been on an island, I.E. has no direct link to most fighters, in 4 out of 37 months
Missing sections mean that the fighter was inactive, I.E. had not competed in 24 months or more.
The fighter's last active period was in April 2025
May 2022
111
1008
June 2022
113
1007.5
July 2022
115
1006.9
August 2022
126
1006.3
September 2022
146
1005.7
October 2022
150
1005.1
November 2022
162
1004.6
December 2022
166
1004
January 2023
168
1003.4
February 2023
177
1002.8
March 2023
178
1002.3
April 2023
185
1001.7
May 2023
209
971.1
June 2023
217
970.4
July 2023
223
969.7
August 2023
227
968.9
September 2023
232
968.2
October 2023
240
967.5
November 2023
256
966.8
December 2023
260
966
January 2024
262
965.3
February 2024
262
964.6
March 2024
269
963.9
April 2024
272
963.2
May 2024
277
962.5
June 2024
278
961.8
July 2024
279
961.1
August 2024
286
960.3
September 2024
284
959.6
October 2024
289
958.9
November 2024
296
958.2
December 2024
302
957.5
January 2025
315
956.8
February 2025
323
956.1
March 2025
326
955.4
April 2025
334
954.8
May 2025
954.1
Match results
Mixed & Men's Steel Longsword - 6 fights
May 2023 - Nederlandse HEMA Kampioenschappen 2023: Evenement: 1
Nederlandse HEMA Kampioenschappen 2023: Evenement: 1
| Division | Stage | Opponent | Outcome | Opponent rating | Win chance |
|---|---|---|---|---|---|
| Mixed Steel Longsword (Tier B) | Eighth-finals | Alexey Rodriguez Blanter | LOSS | 1306.58 | |
| Mixed Steel Longsword (Tier B) | Pool 2 | Nordin Youhat | WIN | Unrated | |
| Mixed Steel Longsword (Tier B) | Pool 2 | Mees Schultheiss | LOSS | 867.70 | |
| Mixed Steel Longsword (Tier B) | Pool 2 | Nick van Dop | LOSS | 1088.06 | |
| Mixed Steel Longsword (Tier B) | Pool 2 | Lucas Colbers | LOSS | 1194.50 | |
| Mixed Steel Longsword (Tier B) | Pool 2 | Tom Verschoore de la Houssaije | WIN | 947.51 |
Underrepresented Genders & Women's Steel Longsword - 8 fights
May 2023 - Nederlandse HEMA Kampioenschappen 2023: Evenement: 1
Nederlandse HEMA Kampioenschappen 2023: Evenement: 1
| Division | Stage | Opponent | Outcome | Opponent rating | Win chance |
|---|---|---|---|---|---|
| Women's Steel Longsword | Pool 2 | Cynthia Kop | LOSS | 1491.79 | 33% |
| Women's Steel Longsword | Pool 2 | Esther Schreuders | LOSS | 765.79 | 63% |
| Women's Steel Longsword | Pool 2 | Zsofia Dankova | WIN | 784.09 | 61% |
| Women's Steel Longsword | Pool 2 | Juliette Hemelaar | LOSS | Unrated |
May 2022 - Nederlandse HEMA Kampioenschappen 2022: Evenement 1
Nederlandse HEMA Kampioenschappen 2022: Evenement 1
| Division | Stage | Opponent | Outcome | Opponent rating | Win chance |
|---|---|---|---|---|---|
| Women's Steel Longsword | Round 1 Match 1 | Tosca Beuming | LOSS | 1468.22 | |
| Women's Steel Longsword | Round 2 Match 3 | Chantal van Rijn | LOSS | Unrated | |
| Women's Steel Longsword | Round 3 Match 2 | Cynthia Kop | LOSS | 1505.74 | |
| Women's Steel Longsword | Round 4 Match 3 | Stephanie de Wit | WIN | Unrated |
Women's Steel Longsword - 8 fights
May 2023 - Nederlandse HEMA Kampioenschappen 2023: Evenement: 1
Nederlandse HEMA Kampioenschappen 2023: Evenement: 1
| Division | Stage | Opponent | Outcome | Opponent rating | Win chance |
|---|---|---|---|---|---|
| Women's Steel Longsword | Pool 2 | Cynthia Kop | LOSS | 1491.79 | 33% |
| Women's Steel Longsword | Pool 2 | Esther Schreuders | LOSS | 765.79 | 63% |
| Women's Steel Longsword | Pool 2 | Zsofia Dankova | WIN | 784.09 | 61% |
| Women's Steel Longsword | Pool 2 | Juliette Hemelaar | LOSS | Unrated |
May 2022 - Nederlandse HEMA Kampioenschappen 2022: Evenement 1
Nederlandse HEMA Kampioenschappen 2022: Evenement 1
| Division | Stage | Opponent | Outcome | Opponent rating | Win chance |
|---|---|---|---|---|---|
| Women's Steel Longsword | Round 1 Match 1 | Tosca Beuming | LOSS | 1468.22 | |
| Women's Steel Longsword | Round 2 Match 3 | Chantal van Rijn | LOSS | Unrated | |
| Women's Steel Longsword | Round 3 Match 2 | Cynthia Kop | LOSS | 1505.74 | |
| Women's Steel Longsword | Round 4 Match 3 | Stephanie de Wit | WIN | Unrated |