PLAYER PAGE
Personal
Posthumus, S (Shenique)
Chess SA id
2130135738FIDE id
?Date of birth
2013-02-04 (U14)Gender
FemaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-15Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1150.4 | 1140.4 | 1200 | 1200 |
| Raw rating | 1094.4 | 1073.5 | 1200 | 1200 |
| Weighted rating | 1150.4 | 1140.4 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 192.7 | 198.6 | 165.8 | 165.8 |
| Highest rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002019-12-01 | 12002019-12-01 | 12002024-03-01 | 12002024-03-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002019-12-01 | 12002019-12-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -5.1 | -6.1 | 0 | 0 |
| New rating | 1145.3 | 1134.3 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1150.4 | 1140.4 | 1200 | 1200 |
| Raw rating | 1094.4 | 1073.5 | 1200 | 1200 |
| Weighted rating | 1150.4 | 1140.4 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 192.7 | 198.6 | 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 | 1094.4 | 1073.5 | 1200 | 1200 |
| New weighted rating | 1145.3 | 1134.3 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1145.3 | 1134.3 | 1200 | 1200 |
| Temp new rating +/- | -5.1 | -6.1 | 0 | 0 |
| Final new rating +/- | -5.1 | -6.1 | 0 | 0 |
| New rating | 1145.3 | 1134.3 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| History | 10 | 10 | 0 | 0 |
| Games since | |||||||||||||||||
| Main5 | Standard5 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| 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 | 5 | 0 | 0 | -425 | 1171.7 | 746.7 |
| Standard | 5 | 0 | 0 | -425 | 1171.7 | 746.7 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 10 | 1.5 | 15 | -297.5 | 1183.7 | 886.2 |
| Standard | 10 | 1.5 | 15 | -297.5 | 1183.7 | 886.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1094.4 | 1073.5 | 1200 | 1200 |
| 2025-09-30 | 1094.4 | 1073.5 | 1200 | 1200 |
| 2025-09-01 | 1094.4 | 1073.5 | 1200 | 1200 |
| 2025-08-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2025-07-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2025-06-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2025-05-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2025-04-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2025-03-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2025-02-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2025-01-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-12-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-11-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-10-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-09-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-08-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-07-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-09-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-05-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-04-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-03-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-02-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-01-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2023-12-01 | 1167.1 | 1160.4 | 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 Tshwane South School District CLOSED League Championship (U13B) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 5 | 0 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Tshwane South School District CLOSED League Championship (U13B) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 5 | 0 | Yes | Analysis |
| 2 | 2021 Lardies Ope (E) | 2021-10-30 | 2021-10-30 | Standard | Tshwane (GTP) | 5 | 5 | 1.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2021 Lardies Ope | Tournament2021 Lardies Ope | ||||||
| date2021-10-30 | rnd4 | typeStandard | result0.5 | date2021-10-30 | rnd5 | typeStandard | result1 | ||
| OpponentRocher, D (Dawid) | OpponentMaartens, L (Lerisha) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2021 Lardies Ope | Tournament2021 Lardies Ope | ||||||
| date2021-10-30 | rnd4 | typeStandard | result0.5 | date2021-10-30 | rnd5 | typeStandard | result1 | ||
| OpponentRocher, D (Dawid) | OpponentMaartens, L (Lerisha) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2021 Lardies Ope | Tournament2021 Lardies Ope | ||||||
| date2021-10-30 | rnd5 | typeStandard | result1 | date2021-10-30 | rnd5 | typeStandard | result1 | ||
| OpponentMaartens, L (Lerisha) | OpponentMaartens, L (Lerisha) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2021 Lardies Ope | Tournament2021 Lardies Ope | ||||||
| date2021-10-30 | rnd5 | typeStandard | result1 | date2021-10-30 | rnd5 | typeStandard | result1 | ||
| OpponentMaartens, L (Lerisha) | OpponentMaartens, L (Lerisha) | ||||||||
| # | 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 | Maartens ,L (Lerisha) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 2 | Enslin ,B (Barend) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 3 | Du Toit ,J (Janri) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1094.8 | 669.8 | 1077.2 | 669.8 | 0 | 0 | 0 | 0 | ||||||
| 4 | Pataridis ,A (Alex) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 5 | Zhou ,E (Emanance) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 6 | Van Reenen ,A (Adrian) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 7 | Zhang ,Y (Yufei) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1163.5 | 738.5 | 1163.8 | 738.5 | 0 | 0 | 0 | 0 | ||||||
| 8 | Du Preez ,M (Markus) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 9 | Rocher ,D (Dawid) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1200 | 1200 | 1200 | 0 | 0 | 0 | 0 | ||||||
| 10 | Van Der Merwe ,KE (Kara Elle) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1177.9 | 752.9 | 1173.2 | 752.9 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

