PLAYER PAGE
Personal
Van Der Merwe, MA (Mieke Annebelle)
Chess SA id
2120158419FIDE id
?Date of birth
2012-02-14 (U14)Gender
FemaleRegion
West Rand (GWR)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-29Personal details last changed
1900-01-01Junior GPX Games
14Junior GPX Points
1235.3| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1204.8 | 1205.8 | 1200 | 1200 |
| Raw rating | 1204.8 | 1205.8 | 1200 | 1200 |
| Weighted rating | 1195.2 | 1193.4 | 1200 | 1200 |
| Weighted performance | 1104.8 | 1105.9 | 0 | 0 |
| Floor | 740.9 | 748.9 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 164.7 | 164.4 | 165.8 | 165.8 |
| Highest rating | 1310.92024-07-01 | 1309.82024-07-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1240.92024-08-01 | 1248.92024-08-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1240.92018-10-01 | 1248.92018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1310.92024-07-01 | 1309.82024-07-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1204.8 | 1205.8 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1204.8 | 1205.8 | 1200 | 1200 |
| Raw rating | 1204.8 | 1205.8 | 1200 | 1200 |
| Weighted rating | 1195.2 | 1193.4 | 1200 | |
| Weighted performance | 1104.8 | 1105.9 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 740.9 | 748.9 | 700 | 700 |
| Max/Min rating change allowed | 164.7 | 164.4 | 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 | 1204.8 | 1205.8 | 1200 | 1200 |
| New weighted rating | 1196.3 | 1194.8 | 1200 | 1200 |
| New weighted performance | 1098 | 1099.1 | 0 | 0 |
| Temp new rating | 1204.8 | 1205.8 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1204.8 | 1205.8 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 740.9 | 748.9 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 14 | 14 | 0 | 0 | |
| 14 | 14 | 0 | 0 | |
| 4 | 4 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 32 | 32 | 0 | 0 |
| Games since | |||||||||||||||||
| Main28 | Standard28 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | West Rand (GWR) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 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 | 14 | 7 | 50 | 0 | 1242.6 | 1242.6 |
| Standard | 14 | 7 | 50 | 0 | 1242.6 | 1242.6 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 32 | 14.5 | 45.31 | -39.8 | 1223.3 | 1183.4 |
| Standard | 32 | 14.5 | 45.31 | -39.8 | 1223.3 | 1183.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1204.8 | 1205.8 | 1200 | 1200 |
| 2025-09-30 | 1215.2 | 1218.1 | 1200 | 1200 |
| 2025-09-01 | 1215.2 | 1218.1 | 1200 | 1200 |
| 2025-08-01 | 1215.2 | 1218.1 | 1200 | 1200 |
| 2025-07-01 | 1204 | 1204.5 | 1200 | 1200 |
| 2025-06-01 | 1204 | 1204.5 | 1200 | 1200 |
| 2025-05-01 | 1184.1 | 1179.7 | 1200 | 1200 |
| 2025-04-01 | 1184.1 | 1179.7 | 1200 | 1200 |
| 2025-03-01 | 1184 | 1179.7 | 1200 | 1200 |
| 2025-02-01 | 1182.3 | 1177.6 | 1200 | 1200 |
| 2025-01-01 | 1157.2 | 1145.9 | 1200 | 1200 |
| 2024-12-01 | 1157.2 | 1145.9 | 1200 | 1200 |
| 2024-11-01 | 1157.2 | 1145.9 | 1200 | 1200 |
| 2024-10-01 | 1157.2 | 1145.9 | 1200 | 1200 |
| 2024-09-01 | 1240.9 | 1248.9 | 1200 | 1200 |
| 2024-08-01 | 1240.9 | 1248.9 | 1200 | 1200 |
| 2024-07-01 | 1214.6 | 1217.6 | 1200 | 1200 |
| 2024-09-01 | 1214.6 | 1217.6 | 1200 | 1200 |
| 2024-05-01 | 1176.4 | 1171.2 | 1200 | 1200 |
| 2024-04-01 | 1176.4 | 1171.2 | 1200 | 1200 |
| 2024-03-01 | 1176.4 | 1171.2 | 1200 | 1200 |
| 2024-02-01 | 1176.4 | 1171.2 | 1200 | 1200 |
| 2024-01-01 | 1176.4 | 1171.2 | 1200 | 1200 |
| 2023-12-01 | 1176.4 | 1171.2 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Gauteng Top Schools Teams (U13 Girls) | 2025-08-29 | 2025-08-29 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
| 2 | 2025 D2 Schools League Finals (U13 Girls) | 2025-07-26 | 2025-07-26 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 3 | 2025 D2 Schools Individuals (U13 Girls) | 2025-05-09 | 2025-05-09 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Gauteng Top Schools Teams (U13 Girls) | 2025-08-29 | 2025-08-29 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
| 2 | 2025 D2 Schools League Finals (U13 Girls) | 2025-07-26 | 2025-07-26 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 3 | 2025 D2 Schools Individuals (U13 Girls) | 2025-05-09 | 2025-05-09 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 4 | Gauteng Schools Individuals Finals 2024 (U13 Girls) | 2024-08-16 | 2024-08-16 | Standard | Ekurhuleni (GE) | 5 | 5 | 0 | Yes | Analysis |
| 5 | D2 School League Finals 2024 (U13 Girls) | 2024-07-20 | 2024-07-20 | Standard | West Rand (GWR) | 5 | 4 | 3 | Yes | Analysis |
| 6 | 2024 D2 Schools Individuals (U13 Girls) | 2024-05-04 | 2024-05-04 | Standard | West Rand (GWR) | 5 | 5 | 3.5 | Yes | Analysis |
| 7 | D2 School League Finals 2023 (U11) | 2023-07-22 | 2023-07-22 | Standard | West Rand (GWR) | 5 | 4 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | Tournament2024 D2 Schools Individuals | TournamentD2 School League Finals 2024 | ||||||
| date2024-05-04 | rnd3 | typeStandard | result0.5 | date2024-07-20 | rnd3 | typeStandard | result1 | ||
| OpponentRedelinghuys, J (Jade) | OpponentFourie, C (Caitlin) | ||||||||
| 2 | 2 | Tournament2025 D2 Schools League Finals | Tournament2025 Gauteng Top Schools Teams | ||||||
| date2025-07-26 | rnd5 | typeStandard | result1 | date2025-08-29 | rnd1 | typeStandard | result1 | ||
| OpponentTlhale, R (Reamogetse) | OpponentNgwenya, L (Lindiwe) | ||||||||
| 3 | 2 | Tournament2025 D2 Schools Individuals | Tournament2025 D2 Schools Individuals | ||||||
| date2025-05-09 | rnd1 | typeStandard | result1 | date2025-05-09 | rnd2 | typeStandard | result1 | ||
| OpponentMbele, L (Lesego) | OpponentMonedi, L (Lonwabo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | Tournament2024 D2 Schools Individuals | TournamentD2 School League Finals 2024 | ||||||
| date2024-05-04 | rnd3 | typeStandard | result0.5 | date2024-07-20 | rnd3 | typeStandard | result1 | ||
| OpponentRedelinghuys, J (Jade) | OpponentFourie, C (Caitlin) | ||||||||
| 2 | 2 | Tournament2025 D2 Schools Individuals | Tournament2025 D2 Schools Individuals | ||||||
| date2025-05-09 | rnd1 | typeStandard | result1 | date2025-05-09 | rnd2 | typeStandard | result1 | ||
| OpponentMbele, L (Lesego) | OpponentMonedi, L (Lonwabo) | ||||||||
| 3 | 1 | Tournament2025 D2 Schools League Finals | Tournament2025 D2 Schools League Finals | ||||||
| date2025-07-26 | rnd5 | typeStandard | result1 | date2025-07-26 | rnd5 | typeStandard | result1 | ||
| OpponentTlhale, R (Reamogetse) | OpponentTlhale, R (Reamogetse) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2024 D2 Schools Individuals | TournamentD2 School League Finals 2024 | ||||||
| date2024-05-04 | rnd4 | typeStandard | result1 | date2024-07-20 | rnd3 | typeStandard | result1 | ||
| OpponentSvosvai, U (Unashe) | OpponentFourie, C (Caitlin) | ||||||||
| 2 | 2 | Tournament2025 D2 Schools Individuals | Tournament2025 D2 Schools Individuals | ||||||
| date2025-05-09 | rnd1 | typeStandard | result1 | date2025-05-09 | rnd2 | typeStandard | result1 | ||
| OpponentMbele, L (Lesego) | OpponentMonedi, L (Lonwabo) | ||||||||
| 3 | 1 | Tournament2025 D2 Schools League Finals | Tournament2025 D2 Schools League Finals | ||||||
| date2025-07-26 | rnd5 | typeStandard | result1 | date2025-07-26 | rnd5 | typeStandard | result1 | ||
| OpponentTlhale, R (Reamogetse) | OpponentTlhale, R (Reamogetse) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2024 D2 Schools Individuals | TournamentD2 School League Finals 2024 | ||||||
| date2024-05-04 | rnd4 | typeStandard | result1 | date2024-07-20 | rnd3 | typeStandard | result1 | ||
| OpponentSvosvai, U (Unashe) | OpponentFourie, C (Caitlin) | ||||||||
| 2 | 2 | Tournament2025 D2 Schools Individuals | Tournament2025 D2 Schools Individuals | ||||||
| date2025-05-09 | rnd1 | typeStandard | result1 | date2025-05-09 | rnd2 | typeStandard | result1 | ||
| OpponentMbele, L (Lesego) | OpponentMonedi, L (Lonwabo) | ||||||||
| 3 | 1 | Tournament2025 D2 Schools League Finals | Tournament2025 D2 Schools League Finals | ||||||
| date2025-07-26 | rnd5 | typeStandard | result1 | date2025-07-26 | rnd5 | typeStandard | result1 | ||
| OpponentTlhale, R (Reamogetse) | OpponentTlhale, R (Reamogetse) | ||||||||
| # | 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 | Redelinghuys ,J (Jade) | 2 | 1.5 | 212.5 | 2 | 1.5 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1120.9 | 1333.4 | 1108.4 | 1333.4 | 0 | 0 | 0 | 0 | ||||||
| 2 | Tlhale ,R (Reamogetse) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1210.6 | 1635.6 | 1213.3 | 1635.6 | 0 | 0 | 0 | 0 | ||||||
| 3 | Tinovimba ,R (Rufu) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 4 | Padi ,K (Karabo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1199.9 | 1624.9 | 1199.9 | 1624.9 | 0 | 0 | 0 | 0 | ||||||
| 5 | Elephant ,O (Opelong) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1156.1 | 1581.1 | 1147.1 | 1581.1 | 0 | 0 | 0 | 0 | ||||||
| 6 | Kabinde ,P (Palesa) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1335.9 | 910.9 | 1350.7 | 910.9 | 0 | 0 | 0 | 0 | ||||||
| 7 | Phetu ,N (Nompumelelo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1362 | 937 | 1352.3 | 937 | 0 | 0 | 0 | 0 | ||||||
| 8 | Roos ,S (Shani) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1375.1 | 950.1 | 1370 | 950.1 | 0 | 0 | 0 | 0 | ||||||
| 9 | Mohonoe ,N (Ntsikeleo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Swanepoel ,L (Leja) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1590.6 | 1165.6 | 1586.3 | 1165.6 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|