Isobel Zijlstra
| Club | Zwaard & Steen |
| Nationality | Netherlands |
SERVICE DISRUPTIONS
We are currently experiencing problems with receiving emails. No emails sent to mail@hemaratings.com or submit@hemaratings.com will reach us.
We are working on getting it fixed.
If you have an important and urgent issue, please contact us through our Facebook page.
Ratings
| Category | Rank (current) | Weighted Rating (current) | Rank (best) | Weighted Rating (best) |
|---|---|---|---|---|
| Longsword | ||||
| - Mixed & Men's Steel Longsword | Inactive | 933.1 | 2578 (May 2023) | 949.6 (May 2023) |
| - Women's Steel Longsword | Inactive | 954.1 | 110 (May 2022) | 1008 (May 2022) |
| - Underrepresented Genders & Women's Steel Longsword | Inactive | 954.1 | 110 (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
2578
949.6
June 2023
2713
948.9
July 2023
2823
948.2
August 2023
2846
947.5
September 2023
2933
946.8
October 2023
3024
946.1
November 2023
3122
945.4
December 2023
3146
944.7
January 2024
3245
944
February 2024
3288
943.3
March 2024
3377
942.6
April 2024
3435
941.9
May 2024
3508
941.2
June 2024
3643
940.5
July 2024
3708
939.8
August 2024
3774
939.2
September 2024
3843
938.5
October 2024
3968
937.8
November 2024
4103
937.1
December 2024
4174
936.4
January 2025
4205
935.8
February 2025
4269
935.1
March 2025
4433
934.4
April 2025
4518
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
110
1008
June 2022
119
1007.5
July 2022
126
1006.9
August 2022
134
1006.3
September 2022
153
1005.7
October 2022
160
1005.1
November 2022
182
1004.6
December 2022
186
1004
January 2023
195
1003.4
February 2023
208
1002.8
March 2023
219
1002.3
April 2023
242
1001.7
May 2023
268
971.1
June 2023
283
970.4
July 2023
294
969.7
August 2023
298
968.9
September 2023
320
968.2
October 2023
332
967.5
November 2023
350
966.8
December 2023
356
966
January 2024
378
965.3
February 2024
392
964.6
March 2024
401
963.9
April 2024
427
963.2
May 2024
435
962.5
June 2024
448
961.8
July 2024
456
961.1
August 2024
465
960.3
September 2024
485
959.6
October 2024
505
958.9
November 2024
513
958.2
December 2024
521
957.5
January 2025
525
956.8
February 2025
532
956.1
March 2025
546
955.4
April 2025
565
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
110
1008
June 2022
112
1007.5
July 2022
114
1006.9
August 2022
125
1006.3
September 2022
145
1005.7
October 2022
149
1005.1
November 2022
161
1004.6
December 2022
165
1004
January 2023
167
1003.4
February 2023
176
1002.8
March 2023
177
1002.3
April 2023
184
1001.7
May 2023
208
971.1
June 2023
216
970.4
July 2023
222
969.7
August 2023
226
968.9
September 2023
231
968.2
October 2023
239
967.5
November 2023
255
966.8
December 2023
259
966
January 2024
261
965.3
February 2024
261
964.6
March 2024
268
963.9
April 2024
271
963.2
May 2024
276
962.5
June 2024
277
961.8
July 2024
278
961.1
August 2024
285
960.3
September 2024
283
959.6
October 2024
288
958.9
November 2024
295
958.2
December 2024
301
957.5
January 2025
314
956.8
February 2025
322
956.1
March 2025
325
955.4
April 2025
339
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 |