PLAYER PAGE
Personal
Coulter, J (Justine)
Chess SA id
2060138254FIDE id
?Date of birth
2006-12-05 (U20)Gender
FemaleRegion
Johannesburg Metro (GJM)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-09-16Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1173.4 | 1163.6 | 1200 | 1180.3 |
| Raw rating | 1173.4 | 1163.6 | 1200 | 1180.3 |
| Weighted rating | 1173.4 | 1163.6 | 1200 | 1179.8 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 172.2 | 174.6 | 165.8 | 170.5 |
| 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 | 12002019-12-01 |
| 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 | 12002019-12-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1173.4 | 1163.6 | 1200 | 1180.3 |
| Analysis | ||||
| Rating | 1173.4 | 1163.6 | 1200 | 1180.3 |
| Raw rating | 1173.4 | 1163.6 | 1200 | 1180.3 |
| Weighted rating | 1173.4 | 1163.6 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 172.2 | 174.6 | 165.8 | 170.5 |
| 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 | 1173.4 | 1163.6 | 1200 | 1180.3 |
| New weighted rating | 1173.4 | 1163.6 | 1200 | 1179.8 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1173.4 | 1163.6 | 1200 | 1180.3 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1173.4 | 1163.6 | 1200 | 1180.3 |
| 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 | |
| 0 | 0 | 0 | 0 | |
| 8 | 0 | 0 | 8 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 13 | 5 | 0 | 8 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | Johannesburg Metro (GJM) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 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 | 13 | 6 | 46.15 | -32.7 | 1168.2 | 1135.5 |
| Standard | 5 | 2 | 40 | -85 | 1113.4 | 1028.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 8 | 4 | 50 | 0 | 1202.5 | 1202.5 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1173.4 | 1163.6 | 1200 | 1180.3 |
| 2025-09-30 | 1173.4 | 1163.6 | 1200 | 1180.3 |
| 2025-09-01 | 1173.4 | 1163.6 | 1200 | 1180.3 |
| 2025-08-01 | 1173.4 | 1163.6 | 1200 | 1180.3 |
| 2025-07-01 | 1173.4 | 1163.6 | 1200 | 1180.3 |
| 2025-06-01 | 1173.4 | 1163.6 | 1200 | 1180.3 |
| 2025-05-01 | 1173.4 | 1163.6 | 1200 | 1180.3 |
| 2025-04-01 | 1173.4 | 1163.6 | 1200 | 1180.3 |
| 2025-03-01 | 1173.4 | 1163.6 | 1200 | 1180.3 |
| 2025-02-01 | 1173.4 | 1163.6 | 1200 | 1180.3 |
| 2025-01-01 | 1173.4 | 1163.6 | 1200 | 1178.8 |
| 2024-12-01 | 1173.4 | 1163.6 | 1200 | 1178.8 |
| 2024-11-01 | 1173.4 | 1163.6 | 1200 | 1178.8 |
| 2024-10-01 | 1173.4 | 1163.6 | 1200 | 1178.8 |
| 2024-09-01 | 1173.4 | 1163.6 | 1200 | 1178.8 |
| 2024-08-01 | 1173.4 | 1163.6 | 1200 | 1178.8 |
| 2024-07-01 | 1173.4 | 1163.6 | 1200 | 1178.8 |
| 2024-09-01 | 1173.4 | 1163.6 | 1200 | 1178.8 |
| 2024-05-01 | 1173.4 | 1163.6 | 1200 | 1178.8 |
| 2024-04-01 | 1173.4 | 1163.6 | 1200 | 1178.8 |
| 2024-03-01 | 1173.4 | 1163.6 | 1200 | 1178.8 |
| 2024-02-01 | 1173.4 | 1163.6 | 1200 | 1178.8 |
| 2024-01-01 | 1173.4 | 1163.6 | 1200 | 1178.8 |
| 2023-12-01 | 1173.4 | 1163.6 | 1200 | 1178.8 |
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 | Helpmekaar Kollege Blitz Chess Invitational Sep 2023 | 2023-09-16 | 2023-09-16 | Blitz | Johannesburg Metro (GJM) | 9 | 8 | 4 | Yes | Analysis |
| 2 | JNW Trinityhouse LF 2022 (Contenders) | 2022-03-12 | 2022-03-12 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | ||||||
| date2023-09-16 | rnd4 | typeBlitz | result1 | date2023-09-16 | rnd6 | typeBlitz | result0.5 | ||
| OpponentAkaloo, D (Deya) | OpponentWijnbeek, J (Johannes) | ||||||||
| 2 | 3 | TournamentJNW Trinityhouse LF 2022 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | ||||||
| date2022-03-12 | rnd4 | typeStandard | result1 | date2023-09-16 | rnd1 | typeBlitz | result0.5 | ||
| OpponentNeale, O (Owen) | OpponentRoetz, K (Kyle) | ||||||||
| 3 | 1 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | ||||||
| date2023-09-16 | rnd8 | typeBlitz | result1 | date2023-09-16 | rnd8 | typeBlitz | result1 | ||
| OpponentKleynhans, R (Ruan) | OpponentKleynhans, R (Ruan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentJNW Trinityhouse LF 2022 | TournamentJNW Trinityhouse LF 2022 | ||||||
| date2022-03-12 | rnd4 | typeStandard | result1 | date2022-03-12 | rnd5 | typeStandard | result1 | ||
| OpponentNeale, O (Owen) | OpponentStrickler, L (Luke) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | ||||||
| date2023-09-16 | rnd4 | typeBlitz | result1 | date2023-09-16 | rnd6 | typeBlitz | result0.5 | ||
| OpponentAkaloo, D (Deya) | OpponentWijnbeek, J (Johannes) | ||||||||
| 2 | 1 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | ||||||
| date2023-09-16 | rnd8 | typeBlitz | result1 | date2023-09-16 | rnd8 | typeBlitz | result1 | ||
| OpponentKleynhans, R (Ruan) | OpponentKleynhans, R (Ruan) | ||||||||
| 3 | 1 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | ||||||
| date2023-09-16 | rnd1 | typeBlitz | result0.5 | date2023-09-16 | rnd1 | typeBlitz | result0.5 | ||
| OpponentRoetz, K (Kyle) | OpponentRoetz, K (Kyle) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | ||||||
| date2023-09-16 | rnd4 | typeBlitz | result1 | date2023-09-16 | rnd5 | typeBlitz | result1 | ||
| OpponentAkaloo, D (Deya) | OpponentVallabh, K (Kavi) | ||||||||
| 2 | 2 | TournamentJNW Trinityhouse LF 2022 | TournamentJNW Trinityhouse LF 2022 | ||||||
| date2022-03-12 | rnd4 | typeStandard | result1 | date2022-03-12 | rnd5 | typeStandard | result1 | ||
| OpponentNeale, O (Owen) | OpponentStrickler, L (Luke) | ||||||||
| 3 | 1 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | ||||||
| date2023-09-16 | rnd8 | typeBlitz | result1 | date2023-09-16 | rnd8 | typeBlitz | result1 | ||
| OpponentKleynhans, R (Ruan) | OpponentKleynhans, R (Ruan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentJNW Trinityhouse LF 2022 | TournamentJNW Trinityhouse LF 2022 | ||||||
| date2022-03-12 | rnd4 | typeStandard | result1 | date2022-03-12 | rnd5 | typeStandard | result1 | ||
| OpponentNeale, O (Owen) | OpponentStrickler, L (Luke) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | ||||||
| date2023-09-16 | rnd4 | typeBlitz | result1 | date2023-09-16 | rnd5 | typeBlitz | result1 | ||
| OpponentAkaloo, D (Deya) | OpponentVallabh, K (Kavi) | ||||||||
| 2 | 1 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | TournamentHelpmekaar Kollege Blitz Chess Invitational Sep 2023 | ||||||
| date2023-09-16 | rnd8 | typeBlitz | result1 | date2023-09-16 | rnd8 | typeBlitz | result1 | ||
| OpponentKleynhans, R (Ruan) | OpponentKleynhans, R (Ruan) | ||||||||
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 | Neale ,O (Owen) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 741.1 | 1166.1 | 738.4 | 1166.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Strauss ,R (Ryan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 3 | Akker ,D (Dylan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1225.8 | 800.8 | 1209.8 | 800.8 | 0 | 0 | 0 | 0 | ||||||
| 4 | Strickler ,L (Luke) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Ma ,M (Matthew) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 6 | Akaloo ,D (Deya) | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 425 |
| 1200 | 1625 | 0 | 0 | 0 | 0 | 1200 | 1625 | ||||||
| 7 | Roetz ,K (Kyle) | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.5 | 0 |
| 1215.5 | 1215.5 | 0 | 0 | 0 | 0 | 738.4 | 1215.5 | ||||||
| 8 | Basson ,D (Daniel) | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | -425 |
| 1211 | 786 | 0 | 0 | 0 | 0 | 1200 | 786 | ||||||
| 9 | Kooy ,B (Bertu) | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | -425 |
| 1282.8 | 857.8 | 0 | 0 | 0 | 0 | 1200 | 857.8 | ||||||
| 10 | Sotheni ,L (Lusiba) | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | -425 |
| 1150.5 | 725.5 | 0 | 0 | 0 | 0 | 1200 | 725.5 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

