PLAYER PAGE
Personal
Van Der Merwe, C (Clara)
Chess SA id
2080106625FIDE id
?Date of birth
2008-03-31 (U20)Gender
FemaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-04-30Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1236.6 | 1231.8 | 1200 | 1200 |
| Raw rating | 1236.6 | 1231.8 | 1200 | 1200 |
| Weighted rating | 1229.9 | 1224 | 1200 | 1200 |
| Weighted performance | 1054.2 | 1049.7 | 0 | 0 |
| Floor | 790.3 | 791.6 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 157.4 | 158.5 | 165.8 | 165.8 |
| Highest rating | 1290.32023-09-01 | 1291.62023-09-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1290.32023-09-01 | 1291.62023-09-01 | 12002024-03-01 | 12002024-03-01 |
| Highest weighted rating | 1290.32024-08-01 | 1291.62024-08-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1284.72023-08-01 | 1277.72023-08-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1236.6 | 1231.8 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1236.6 | 1231.8 | 1200 | 1200 |
| Raw rating | 1236.6 | 1231.8 | 1200 | 1200 |
| Weighted rating | 1229.9 | 1224 | 1200 | |
| Weighted performance | 1054.2 | 1049.7 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 790.3 | 791.6 | 700 | 700 |
| Max/Min rating change allowed | 157.4 | 158.5 | 165.8 | 165.8 |
| Games | 0 | 0 | 0 | 0 |
| Score | 0 | 0 | 0 | 0 |
| Expected score | 0 | 0 | 0 | 0 |
| Score-Expected | 0 | 0 | 0 | 0 |
| Temp raw +/- | 0 | 0 | 0 | 0 |
| Final raw +/- | 0 | 0 | 0 | 0 |
| New raw rating | 1236.6 | 1231.8 | 1200 | 1200 |
| New weighted rating | 1230.6 | 1224.8 | 1200 | 1200 |
| New weighted performance | 1046.2 | 1041.9 | 0 | 0 |
| Temp new rating | 1236.6 | 1231.8 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1236.6 | 1231.8 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 790.3 | 791.6 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 33 | 33 | 0 | 0 | |
| 35 | 35 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| History | 173 | 173 | 0 | 0 |
| Games since | |||||||||||||||||
| Main38 | Standard38 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 3814 | 1370 | 527 | ||||||||||||||
| Female | 867 | 303 | 121 | ||||||||||||||
| U18 | 586 | 221 | 85 | ||||||||||||||
| U18 Female | 102 | 39 | 12 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Female | -1 | -1 | -1 | ||||||||||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 0 | 0 | 0 | 0 | 0 | 0 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 5 | 2.5 | 50 | 0 | 1294.6 | 1294.6 |
| Standard | 5 | 2.5 | 50 | 0 | 1294.6 | 1294.6 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 173 | 75.5 | 43.64 | -54 | 1198.9 | 1144.8 |
| Standard | 173 | 75.5 | 43.64 | -54 | 1198.9 | 1144.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2026-01-01 | 1236.6 | 1231.8 | 1200 | 1200 |
| 2025-11-30 | 1236.6 | 1231.8 | 1200 | 1200 |
| 2025-11-01 | 1236.6 | 1231.8 | 1200 | 1200 |
| 2025-09-30 | 1236.6 | 1231.8 | 1200 | 1200 |
| 2025-09-01 | 1236.6 | 1231.8 | 1200 | 1200 |
| 2025-08-01 | 1236.6 | 1231.8 | 1200 | 1200 |
| 2025-07-01 | 1236.6 | 1231.8 | 1200 | 1200 |
| 2025-06-01 | 1236.6 | 1231.8 | 1200 | 1200 |
| 2025-05-01 | 1228.9 | 1222.2 | 1200 | 1200 |
| 2025-04-01 | 1228.9 | 1222.2 | 1200 | 1200 |
| 2025-03-01 | 1228.9 | 1222.1 | 1200 | 1200 |
| 2025-02-01 | 1227.8 | 1220.9 | 1200 | 1200 |
| 2025-01-01 | 1211.7 | 1204.4 | 1200 | 1200 |
| 2024-12-01 | 1206.6 | 1200.4 | 1200 | 1200 |
| 2024-11-01 | 1206.6 | 1200.4 | 1200 | 1200 |
| 2024-10-01 | 1206.6 | 1200.4 | 1200 | 1200 |
| 2024-09-01 | 1206.6 | 1200.4 | 1200 | 1200 |
| 2024-11-01 | 1240.4 | 1235.7 | 1200 | 1200 |
| 2024-07-01 | 1229.6 | 1218.1 | 1200 | 1200 |
| 2024-06-01 | 1229.6 | 1218.1 | 1200 | 1200 |
| 2024-05-01 | 1229.6 | 1218.1 | 1200 | 1200 |
| 2024-04-01 | 1229.6 | 1218.1 | 1200 | 1200 |
| 2024-03-01 | 1229.6 | 1218.1 | 1200 | 1200 |
| 2024-02-01 | 1235.6 | 1229.6 | 1200 | 1200 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | National All Girls' Festival 2025 | 2025-04-28 | 2025-04-30 | Standard | Cape Town (WCT) | 5 | 5 | 2.5 | Yes | Analysis |
| 2 | Gauteng Inter-Region at UJ 2024 (U16+U18 Girls) | 2024-12-07 | 2024-12-08 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2.5 | Yes | Analysis |
| 3 | 2024 Alekhine Open Chess Tournament (B) | 2024-08-09 | 2024-08-10 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 4 | 2024 Midstream College Open Chess Tournament (B1) | 2024-07-20 | 2024-07-20 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
| 5 | Menlopark Open Chess Tournament 2024 (B) | 2024-07-13 | 2024-07-13 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 6 | Grey College Team Championship 2024 (A) | 2024-02-23 | 2024-02-24 | Standard | Mangaung (FMB) | 5 | 5 | 2 | Yes | Analysis |
| 7 | 2024 Tshwane Chess OPEN Registration Tournament (C1) | 2024-01-27 | 2024-01-27 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 8 | 2024 Gauteng Inter-Region Chess Championship (U16 Girls) | 2024-01-13 | 2024-01-14 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
| 9 | 2023 Alekhine Open Tournament (C) | 2023-09-09 | 2023-09-09 | Standard | Tshwane (GTP) | 5 | 4 | 2 | Yes | Analysis |
| 10 | 2023 Gauteng Top Schools (U15 Girls) | 2023-08-19 | 2023-08-19 | Standard | West Rand (GWR) | 5 | 4 | 4 | Yes | Analysis |
| 11 | 2023 Etienne Lewis Closed Tournament (U16) | 2023-08-25 | 2023-08-27 | Standard | Tshwane (GTP) | 7 | 7 | 3.5 | Yes | Analysis |
| 12 | 2023 Milos Ristic Open Tournament (C) | 2023-04-27 | 2023-04-27 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 13 | 2023 Afrikaans Hoër Seunskool Open Chess Tournament (C) | 2023-03-04 | 2023-03-04 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 14 | Grey College Team Championship 2023 (B) | 2023-02-03 | 2023-02-04 | Standard | Mangaung (FMB) | 5 | 5 | 4 | Yes | Analysis |
| 15 | 2023 Tshwane Chess Open Registration Tournament (C1) | 2023-01-28 | 2023-01-28 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 16 | 2021 Registration Tournament (C) | 2021-03-13 | 2021-03-13 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 17 | 2020 Wynie Robbertse Open Chess Tournament (C) | 2020-03-07 | 2020-03-07 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 18 | 2020 Blou Bul (C) | 2020-02-15 | 2020-02-15 | Standard | Tshwane (GTP) | 5 | 5 | 1.5 | Yes | Analysis |
| 19 | 2020 Registration Tournament (C) | 2020-01-25 | 2020-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 20 | 2019 Wild Card Chess Championship (U12 Girls) | 2020-01-09 | 2020-01-12 | Standard | 4 Knights (4K) | 7 | 7 | 4 | Yes | Analysis |
| 21 | 2019 South African Junior Team Championships (U12 Girls) | 2020-01-04 | 2020-01-08 | Standard | 4 Knights (4K) | 7 | 7 | 4 | Yes | Analysis |
| 22 | 2019 Etienne Lewis Trials (U12 Girls) | 2019-08-30 | 2019-09-01 | Standard | Tshwane (GTP) | 7 | 6 | 3 | Yes | Analysis |
| 23 | 2019 Gauteng School League Finals (U13 Girls) | 2019-08-23 | 2019-08-23 | Standard | Tshwane (GTP) | 5 | 5 | 1.5 | Yes | Analysis |
| 24 | 2019 Alekhine Open (C) | 2019-08-09 | 2019-08-10 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
| 25 | 2019 Menlo Open (C) | 2019-07-13 | 2019-07-13 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 26 | 2019 Swartkop Open (C) | 2019-06-15 | 2019-06-15 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 27 | 2019 Capablanca Chess Festival (C) | 2019-04-19 | 2019-04-21 | Standard | Tshwane (GTP) | 7 | 7 | 2 | Yes | Analysis |
| 28 | 2019 D4 Individual Finals (U11 Girls) | 2019-03-09 | 2019-03-09 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 29 | 2019 TuksChess Open (C) | 2019-02-23 | 2019-02-23 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 30 | 2019 Blou Bul (D) | 2019-02-16 | 2019-02-16 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 31 | 2019 Piet Robbertse (D) | 2019-02-01 | 2019-02-03 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 32 | 2019 Constantia Park Open (D) | 2019-02-09 | 2019-02-09 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 33 | 2019 Tshwane Chess Registration Tournament (D) | 2019-01-26 | 2019-01-26 | Standard | Tshwane (GTP) | 5 | 5 | 0.5 | Yes | Analysis |
| 34 | 2018 Centurion Chess Club Open (D) | 2018-09-29 | 2018-09-29 | Standard | Tshwane (GTP) | 5 | 4 | 0 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | Tournament2023 Milos Ristic Open Tournament | Tournament2023 Etienne Lewis Closed Tournament | ||||||
| date2023-04-27 | rnd5 | typeStandard | result1 | date2023-08-25 | rnd1 | typeStandard | result1 | ||
| OpponentSteyn, H (Henco) | OpponentSnyders, M (Meya) | ||||||||
| 2 | 4 | Tournament2021 Registration Tournament | Tournament2023 Tshwane Chess Open Registration Tournament | ||||||
| date2021-03-13 | rnd4 | typeStandard | result1 | date2023-01-28 | rnd2 | typeStandard | result1 | ||
| OpponentJacobs, I (Inge) | OpponentBarkhuizen, SJ (Simon Jurgens) | ||||||||
| 3 | 3 | Tournament2024 Tshwane Chess OPEN Registration Tournament | TournamentGrey College Team Championship 2024 | ||||||
| date2024-01-27 | rnd4 | typeStandard | result1 | date2024-02-23 | rnd1 | typeStandard | result1 | ||
| OpponentSlabbert, M (Marko) | OpponentBudge, B (Benjamin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | Tournament2023 Milos Ristic Open Tournament | Tournament2023 Etienne Lewis Closed Tournament | ||||||
| date2023-04-27 | rnd5 | typeStandard | result1 | date2023-08-25 | rnd1 | typeStandard | result1 | ||
| OpponentSteyn, H (Henco) | OpponentSnyders, M (Meya) | ||||||||
| 2 | 4 | Tournament2021 Registration Tournament | Tournament2023 Tshwane Chess Open Registration Tournament | ||||||
| date2021-03-13 | rnd4 | typeStandard | result1 | date2023-01-28 | rnd2 | typeStandard | result1 | ||
| OpponentJacobs, I (Inge) | OpponentBarkhuizen, SJ (Simon Jurgens) | ||||||||
| 3 | 3 | Tournament2024 Tshwane Chess OPEN Registration Tournament | TournamentGrey College Team Championship 2024 | ||||||
| date2024-01-27 | rnd4 | typeStandard | result1 | date2024-02-23 | rnd1 | typeStandard | result1 | ||
| OpponentSlabbert, M (Marko) | OpponentBudge, B (Benjamin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | Tournament2023 Milos Ristic Open Tournament | Tournament2023 Etienne Lewis Closed Tournament | ||||||
| date2023-04-27 | rnd5 | typeStandard | result1 | date2023-08-25 | rnd1 | typeStandard | result1 | ||
| OpponentSteyn, H (Henco) | OpponentSnyders, M (Meya) | ||||||||
| 2 | 3 | Tournament2024 Tshwane Chess OPEN Registration Tournament | TournamentGrey College Team Championship 2024 | ||||||
| date2024-01-27 | rnd4 | typeStandard | result1 | date2024-02-23 | rnd1 | typeStandard | result1 | ||
| OpponentSlabbert, M (Marko) | OpponentBudge, B (Benjamin) | ||||||||
| 3 | 3 | TournamentGrey College Team Championship 2023 | TournamentGrey College Team Championship 2023 | ||||||
| date2023-02-03 | rnd3 | typeStandard | result1 | date2023-02-04 | rnd5 | typeStandard | result1 | ||
| OpponentToxopeus, M (Mary) | OpponentFouche, I (Izabell) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | Tournament2023 Milos Ristic Open Tournament | Tournament2023 Etienne Lewis Closed Tournament | ||||||
| date2023-04-27 | rnd5 | typeStandard | result1 | date2023-08-25 | rnd1 | typeStandard | result1 | ||
| OpponentSteyn, H (Henco) | OpponentSnyders, M (Meya) | ||||||||
| 2 | 3 | Tournament2024 Tshwane Chess OPEN Registration Tournament | TournamentGrey College Team Championship 2024 | ||||||
| date2024-01-27 | rnd4 | typeStandard | result1 | date2024-02-23 | rnd1 | typeStandard | result1 | ||
| OpponentSlabbert, M (Marko) | OpponentBudge, B (Benjamin) | ||||||||
| 3 | 3 | TournamentGrey College Team Championship 2023 | TournamentGrey College Team Championship 2023 | ||||||
| date2023-02-03 | rnd3 | typeStandard | result1 | date2023-02-04 | rnd5 | typeStandard | result1 | ||
| OpponentToxopeus, M (Mary) | OpponentFouche, I (Izabell) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
Top 10 opponents most often played
| # | Opponent | Main | Standard | Rapid | Blitz | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | ||
| Aor | Prat | Aor | Prat | Aor | Prat | Aor | Prat | ||||||
| 1 | Timmerman ,ME (Mischke Enya) | 4 | 0 | -425 | 4 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1360.1 | 935.1 | 1352.9 | 935.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Reyneke ,T (Talia) | 3 | 1.5 | 0 | 3 | 1.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1215 | 1215 | 1195.9 | 1215 | 0 | 0 | 0 | 0 | ||||||
| 3 | Du Preez ,J (Julian) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1220.6 | 1362.3 | 1200.1 | 1362.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Radia ,D (Diya) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1344.1 | 1202.4 | 1341 | 1202.4 | 0 | 0 | 0 | 0 | ||||||
| 5 | Louw ,N (Nova) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1205.6 | 1205.6 | 1193.4 | 1205.6 | 0 | 0 | 0 | 0 | ||||||
| 6 | Shoko ,J (John Lincoln) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1358.9 | 933.9 | 1364.8 | 933.9 | 0 | 0 | 0 | 0 | ||||||
| 7 | Snyders ,M (Meya) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1371.7 | 1796.7 | 1358.6 | 1796.7 | 0 | 0 | 0 | 0 | ||||||
| 8 | Lourens ,J (Jurgen) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 981.2 | 556.2 | 977.6 | 556.2 | 0 | 0 | 0 | 0 | ||||||
| 9 | Moolman ,R (Reinhardt) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1150.3 | 1150.3 | 1140.3 | 1150.3 | 0 | 0 | 0 | 0 | ||||||
| 10 | Lotter ,CJ (Christiaan Johannes) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 970.1 | 545.1 | 972.5 | 545.1 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|