PLAYER PAGE
Personal
Coltman, A (Ariana)
Chess SA id
2160152444FIDE id
?Date of birth
2016-09-19 (U10)Gender
FemaleRegion
Nelson Mandela Bay (ENM)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-02-17Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1143.5 | 1161.2 | 1200 | 1200 |
| Raw rating | 1143.5 | 1161.2 | 1200 | 1200 |
| Weighted rating | 1142 | 1159.4 | 1200 | 1200 |
| Weighted performance | 866.6 | 873.5 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 179.7 | 175.2 | 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 | 0 | 0 | 0 | 0 |
| New rating | 1143.5 | 1161.2 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1143.5 | 1161.2 | 1200 | 1200 |
| Raw rating | 1143.5 | 1161.2 | 1200 | 1200 |
| Weighted rating | 1142 | 1159.4 | 1200 | |
| Weighted performance | 866.6 | 873.5 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 179.7 | 175.2 | 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 | 1143.5 | 1161.2 | 1200 | 1200 |
| New weighted rating | 1142.8 | 1160.3 | 1200 | 1200 |
| New weighted performance | 859.9 | 866.8 | 0 | 0 |
| Temp new rating | 1143.5 | 1161.2 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1143.5 | 1161.2 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 6 | 6 | 0 | 0 | |
| 31 | 31 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 37 | 37 | 0 | 0 |
| Games since | |||||||||||||||||
| Main6 | Standard6 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U10 | ||||||||||||||||
| Region | Nelson Mandela Bay (ENM) | ||||||||||||||||
| Province | Eastern Cape (EC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U10 | -1 | -1 | -1 | ||||||||||||||
| U10 Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U10 | -1 | -1 | -1 | ||||||||||||||
| U10 Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U10 | -1 | -1 | -1 | ||||||||||||||
| U10 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U10 | -1 | -1 | -1 | ||||||||||||||
| U10 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 | 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 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 37 | 11.5 | 31.08 | -160.8 | 1222 | 1061.2 |
| Standard | 37 | 11.5 | 31.08 | -160.8 | 1222 | 1061.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2025-09-30 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2025-09-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2025-08-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2025-07-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2025-06-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2025-05-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2025-04-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2025-03-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2025-02-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2025-01-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2024-12-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2024-11-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2024-10-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2024-09-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2024-08-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2024-07-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2024-09-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2024-05-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2024-04-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2024-03-01 | 1143.5 | 1161.2 | 1200 | 1200 |
| 2024-02-01 | 1068.5 | 1070.8 | 1200 | 1200 |
| 2024-01-01 | 1068.5 | 1070.8 | 1200 | 1200 |
| 2023-12-01 | 1068.5 | 1070.8 | 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 | NMBCU Trials 2 2024 (U10) | 2024-04-12 | 2024-04-13 | Standard | Nelson Mandela Bay (ENM) | 6 | 0 | 0 | No | Analysis |
| 2 | NMBCU Trials 1 2024 (U10) | 2024-02-16 | 2024-02-17 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 4 | Yes | Analysis |
| 3 | Eastern Cape Provincial Individual Championship 2023 (U8 Boys) | 2023-10-05 | 2023-10-05 | Standard | Nelson Mandela Bay (ENM) | 7 | 6 | 3 | Yes | Analysis |
| 4 | Eastern Cape Chess Team Championship 2023 (U10) | 2023-10-07 | 2023-10-08 | Standard | Sarah Baartman (ESB) | 5 | 4 | 0 | Yes | Analysis |
| 5 | NMBCU Closed 2023 (U8) | 2023-08-11 | 2023-08-12 | Standard | Nelson Mandela Bay (ENM) | 5 | 5 | 2 | Yes | Analysis |
| 6 | NMBCU Trial 4 2023 (U8) | 2023-07-28 | 2023-07-29 | Standard | Nelson Mandela Bay (ENM) | 5 | 5 | 1 | Yes | Analysis |
| 7 | EP Trials 3 2023 (U8) | 2023-05-06 | 2023-05-06 | Standard | Nelson Mandela Bay (ENM) | 6 | 5 | 1 | Yes | Analysis |
| 8 | NMB 2nd Trials 2023 (U8) | 2023-03-25 | 2023-03-25 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 0.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentNMBCU Closed 2023 | TournamentEastern Cape Provincial Individual Championship 2023 | ||||||
| date2023-08-12 | rnd3 | typeStandard | result1 | date2023-10-05 | rnd3 | typeStandard | result1 | ||
| OpponentMitchell, N (Nicholas) | OpponentSwart, W (Waldemar) | ||||||||
| 2 | 4 | TournamentNMBCU Trials 1 2024 | TournamentNMBCU Trials 1 2024 | ||||||
| date2024-02-17 | rnd3 | typeStandard | result1 | date2024-02-17 | rnd6 | typeStandard | result1 | ||
| OpponentViljoen, C (Colton) | OpponentBarnett, C (Cadain) | ||||||||
| 3 | 1 | TournamentEastern Cape Provincial Individual Championship 2023 | TournamentEastern Cape Provincial Individual Championship 2023 | ||||||
| date2023-10-05 | rnd7 | typeStandard | result1 | date2023-10-05 | rnd7 | typeStandard | result1 | ||
| OpponentNdawana, E (Elimiyo) | OpponentNdawana, E (Elimiyo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentNMBCU Closed 2023 | TournamentEastern Cape Provincial Individual Championship 2023 | ||||||
| date2023-08-12 | rnd3 | typeStandard | result1 | date2023-10-05 | rnd3 | typeStandard | result1 | ||
| OpponentMitchell, N (Nicholas) | OpponentSwart, W (Waldemar) | ||||||||
| 2 | 4 | TournamentNMBCU Trials 1 2024 | TournamentNMBCU Trials 1 2024 | ||||||
| date2024-02-17 | rnd3 | typeStandard | result1 | date2024-02-17 | rnd6 | typeStandard | result1 | ||
| OpponentViljoen, C (Colton) | OpponentBarnett, C (Cadain) | ||||||||
| 3 | 1 | TournamentEastern Cape Provincial Individual Championship 2023 | TournamentEastern Cape Provincial Individual Championship 2023 | ||||||
| date2023-10-05 | rnd7 | typeStandard | result1 | date2023-10-05 | rnd7 | typeStandard | result1 | ||
| OpponentNdawana, E (Elimiyo) | OpponentNdawana, E (Elimiyo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentNMBCU Trials 1 2024 | TournamentNMBCU Trials 1 2024 | ||||||
| date2024-02-17 | rnd3 | typeStandard | result1 | date2024-02-17 | rnd6 | typeStandard | result1 | ||
| OpponentViljoen, C (Colton) | OpponentBarnett, C (Cadain) | ||||||||
| 2 | 2 | TournamentEastern Cape Provincial Individual Championship 2023 | TournamentEastern Cape Provincial Individual Championship 2023 | ||||||
| date2023-10-05 | rnd2 | typeStandard | result1 | date2023-10-05 | rnd3 | typeStandard | result1 | ||
| OpponentLotter, F (Francois Daniel) | OpponentSwart, W (Waldemar) | ||||||||
| 3 | 1 | TournamentEastern Cape Provincial Individual Championship 2023 | TournamentEastern Cape Provincial Individual Championship 2023 | ||||||
| date2023-10-05 | rnd7 | typeStandard | result1 | date2023-10-05 | rnd7 | typeStandard | result1 | ||
| OpponentNdawana, E (Elimiyo) | OpponentNdawana, E (Elimiyo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentNMBCU Trials 1 2024 | TournamentNMBCU Trials 1 2024 | ||||||
| date2024-02-17 | rnd3 | typeStandard | result1 | date2024-02-17 | rnd6 | typeStandard | result1 | ||
| OpponentViljoen, C (Colton) | OpponentBarnett, C (Cadain) | ||||||||
| 2 | 2 | TournamentEastern Cape Provincial Individual Championship 2023 | TournamentEastern Cape Provincial Individual Championship 2023 | ||||||
| date2023-10-05 | rnd2 | typeStandard | result1 | date2023-10-05 | rnd3 | typeStandard | result1 | ||
| OpponentLotter, F (Francois Daniel) | OpponentSwart, W (Waldemar) | ||||||||
| 3 | 1 | TournamentEastern Cape Provincial Individual Championship 2023 | TournamentEastern Cape Provincial Individual Championship 2023 | ||||||
| date2023-10-05 | rnd7 | typeStandard | result1 | date2023-10-05 | rnd7 | typeStandard | result1 | ||
| OpponentNdawana, E (Elimiyo) | OpponentNdawana, E (Elimiyo) | ||||||||
| # | 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 | Kritzinger ,A (Adrian) | 5 | 0 | -425 | 5 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1310 | 885 | 1315.9 | 885 | 0 | 0 | 0 | 0 | ||||||
| 2 | Viljoen ,C (Colton) | 5 | 3 | 85 | 5 | 3 | 85 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1129.7 | 1214.7 | 1118.6 | 1214.7 | 0 | 0 | 0 | 0 | ||||||
| 3 | Celliers ,M (Morgan) | 4 | 0.5 | -318.8 | 4 | 0.5 | -318.8 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1275.3 | 956.6 | 1285.4 | 956.6 | 0 | 0 | 0 | 0 | ||||||
| 4 | Mitchell ,N (Nicholas) | 4 | 2 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1192.2 | 1192.2 | 1194.4 | 1192.2 | 0 | 0 | 0 | 0 | ||||||
| 5 | Kapp ,A (Amelie) | 3 | 0.5 | -283.3 | 3 | 0.5 | -283.3 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1169.1 | 885.8 | 1175.3 | 885.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Duvenage ,B (Bendre) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1267.6 | 842.6 | 1297.8 | 842.6 | 0 | 0 | 0 | 0 | ||||||
| 7 | Swart ,W (Waldemar) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1385 | 1810 | 1407.7 | 1810 | 0 | 0 | 0 | 0 | ||||||
| 8 | Mjojo ,A (Adia) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1200 | 1200 | 1200 | 0 | 0 | 0 | 0 | ||||||
| 9 | Swanepoel ,B (Bijan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1271.3 | 846.3 | 1312.7 | 846.3 | 0 | 0 | 0 | 0 | ||||||
| 10 | Lotter ,F (Francois Daniel) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1096.9 | 1521.9 | 1105.6 | 1521.9 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

