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 | 112 (May 2022) | 1008 (May 2022) |
| - Underrepresented Genders & Women's Steel Longsword | Inactive | 954.1 | 112 (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
2827
948.2
August 2023
2850
947.5
September 2023
2937
946.8
October 2023
3028
946.1
November 2023
3126
945.4
December 2023
3149
944.7
January 2024
3249
944
February 2024
3292
943.3
March 2024
3381
942.6
April 2024
3439
941.9
May 2024
3512
941.2
June 2024
3647
940.5
July 2024
3712
939.8
August 2024
3778
939.2
September 2024
3847
938.5
October 2024
3972
937.8
November 2024
4106
937.1
December 2024
4177
936.4
January 2025
4208
935.8
February 2025
4267
935.1
March 2025
4431
934.4
April 2025
4509
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
112
1008
June 2022
121
1007.5
July 2022
128
1006.9
August 2022
136
1006.3
September 2022
155
1005.7
October 2022
162
1005.1
November 2022
184
1004.6
December 2022
188
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
550
955.4
April 2025
568
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
112
1008
June 2022
114
1007.5
July 2022
116
1006.9
August 2022
127
1006.3
September 2022
147
1005.7
October 2022
151
1005.1
November 2022
163
1004.6
December 2022
167
1004
January 2023
169
1003.4
February 2023
178
1002.8
March 2023
179
1002.3
April 2023
186
1001.7
May 2023
210
971.1
June 2023
218
970.4
July 2023
224
969.7
August 2023
228
968.9
September 2023
233
968.2
October 2023
241
967.5
November 2023
257
966.8
December 2023
261
966
January 2024
263
965.3
February 2024
263
964.6
March 2024
270
963.9
April 2024
273
963.2
May 2024
278
962.5
June 2024
279
961.8
July 2024
280
961.1
August 2024
287
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
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 |