PLAYER PAGE
Personal
Coulter, J (Jack)
Chess SA id
1150301096FIDE id
?Date of birth
2015-06-23 (U12)Gender
MaleRegion
Johannesburg Metro (GJM)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-08-09Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1183.7 | 1181.3 | 1200 | 1200 |
| Raw rating | 1183.7 | 1181.3 | 1200 | 1200 |
| Weighted rating | 1181.8 | 1179.1 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 169.7 | 170.3 | 165.8 | 165.8 |
| Highest rating | 12002024-11-01 | 12002024-11-01 | 12002024-04-01 | 12002024-04-01 |
| Highest raw rating | 12002024-03-01 | 12002024-03-01 | 12002024-04-01 | 12002024-04-01 |
| Highest weighted rating | 12002024-11-01 | 12002024-11-01 | 12002024-04-01 | 12002024-04-01 |
| Highest weighted performance | 12002024-12-01 | 12002024-12-01 | 12002024-04-01 | 12002024-04-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1183.7 | 1181.3 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1183.7 | 1181.3 | 1200 | 1200 |
| Raw rating | 1183.7 | 1181.3 | 1200 | 1200 |
| Weighted rating | 1181.8 | 1179.1 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 169.7 | 170.3 | 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 | 1183.7 | 1181.3 | 1200 | 1200 |
| New weighted rating | 1181.8 | 1179.1 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1183.7 | 1181.3 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1183.7 | 1181.3 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 6 | 6 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 6 | 6 | 0 | 0 |
| Games since | |||||||||||||||||
| Main6 | Standard6 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U12 | ||||||||||||||||
| Region | Johannesburg Metro (GJM) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -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 | 6 | 2 | 33.33 | -141.7 | 1222.8 | 1081.1 |
| Standard | 6 | 2 | 33.33 | -141.7 | 1222.8 | 1081.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1183.7 | 1181.3 | 1200 | 1200 |
| 2025-09-30 | 1183.7 | 1181.3 | 1200 | 1200 |
| 2025-09-01 | 1183.7 | 1181.3 | 1200 | 1200 |
| 2025-08-01 | 1183.7 | 1181.3 | 1200 | 1200 |
| 2025-07-01 | 1183.7 | 1181.3 | 1200 | 1200 |
| 2025-06-01 | 1183.7 | 1181.3 | 1200 | 1200 |
| 2025-05-01 | 1183.7 | 1181.3 | 1200 | 1200 |
| 2025-04-01 | 1183.7 | 1181.3 | 1200 | 1200 |
| 2025-03-01 | 1183.7 | 1181.3 | 1200 | 1200 |
| 2025-02-01 | 1183.4 | 1180.9 | 1200 | 1200 |
| 2025-01-01 | 1172.7 | 1168.4 | 1200 | 1200 |
| 2024-12-01 | 1172.7 | 1168.4 | 1200 | 1200 |
| 2024-11-01 | 1172.7 | 1168.4 | 1200 | 1200 |
| 2024-10-01 | 1172.7 | 1168.4 | 1200 | 1200 |
| 2024-09-01 | 1172.7 | 1168.4 | 1200 | 1200 |
| 2024-08-01 | 1181.7 | 1179.2 | 1200 | 1200 |
| 2024-07-01 | 1181.7 | 1179.2 | 1200 | 1200 |
| 2024-09-01 | 1181.7 | 1179.2 | 1200 | 1200 |
| 2024-05-01 | 1181.7 | 1179.2 | 1200 | 1200 |
| 2024-04-01 | 1181.7 | 1179.2 | 1200 | 1200 |
| 2024-03-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-12-01 | 1200 | 1200 | 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 | JMC Closed 2024 (U10) | 2024-08-09 | 2024-08-09 | Standard | Johannesburg Metro (GJM) | 5 | 1 | 0 | Yes | Analysis |
| 2 | 1st Knights Open Tournament 2024 (U10) | 2024-03-23 | 2024-03-23 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament1st Knights Open Tournament 2024 | Tournament1st Knights Open Tournament 2024 | ||||||
| date2024-03-23 | rnd5 | typeStandard | result1 | date2024-03-23 | rnd5 | typeStandard | result1 | ||
| OpponentCarter, C (Clay) | OpponentCarter, C (Clay) | ||||||||
| 2 | 1 | Tournament1st Knights Open Tournament 2024 | Tournament1st Knights Open Tournament 2024 | ||||||
| date2024-03-23 | rnd3 | typeStandard | result1 | date2024-03-23 | rnd3 | typeStandard | result1 | ||
| OpponentLiu, L (Linyue) | OpponentLiu, L (Linyue) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament1st Knights Open Tournament 2024 | Tournament1st Knights Open Tournament 2024 | ||||||
| date2024-03-23 | rnd5 | typeStandard | result1 | date2024-03-23 | rnd5 | typeStandard | result1 | ||
| OpponentCarter, C (Clay) | OpponentCarter, C (Clay) | ||||||||
| 2 | 1 | Tournament1st Knights Open Tournament 2024 | Tournament1st Knights Open Tournament 2024 | ||||||
| date2024-03-23 | rnd3 | typeStandard | result1 | date2024-03-23 | rnd3 | typeStandard | result1 | ||
| OpponentLiu, L (Linyue) | OpponentLiu, L (Linyue) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament1st Knights Open Tournament 2024 | Tournament1st Knights Open Tournament 2024 | ||||||
| date2024-03-23 | rnd5 | typeStandard | result1 | date2024-03-23 | rnd5 | typeStandard | result1 | ||
| OpponentCarter, C (Clay) | OpponentCarter, C (Clay) | ||||||||
| 2 | 1 | Tournament1st Knights Open Tournament 2024 | Tournament1st Knights Open Tournament 2024 | ||||||
| date2024-03-23 | rnd3 | typeStandard | result1 | date2024-03-23 | rnd3 | typeStandard | result1 | ||
| OpponentLiu, L (Linyue) | OpponentLiu, L (Linyue) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament1st Knights Open Tournament 2024 | Tournament1st Knights Open Tournament 2024 | ||||||
| date2024-03-23 | rnd5 | typeStandard | result1 | date2024-03-23 | rnd5 | typeStandard | result1 | ||
| OpponentCarter, C (Clay) | OpponentCarter, C (Clay) | ||||||||
| 2 | 1 | Tournament1st Knights Open Tournament 2024 | Tournament1st Knights Open Tournament 2024 | ||||||
| date2024-03-23 | rnd3 | typeStandard | result1 | date2024-03-23 | rnd3 | typeStandard | result1 | ||
| OpponentLiu, L (Linyue) | OpponentLiu, L (Linyue) | ||||||||
| # | 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 | Du Pisani ,M (Malcolm) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1238.1 | 813.1 | 1246.8 | 813.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Hlabangwane ,N (Ntwanano) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1100.2 | 675.2 | 1114.3 | 675.2 | 0 | 0 | 0 | 0 | ||||||
| 3 | Meijer ,CM (Carlo Marius) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1180.9 | 755.9 | 1179.8 | 755.9 | 0 | 0 | 0 | 0 | ||||||
| 4 | Carter ,C (Clay) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Liu ,L (Linyue) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 6 | Conradie ,M (Minka) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1417.8 | 992.8 | 1415.5 | 992.8 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|