PLAYER PAGE
Personal
Barker, G (Gershwin)
Chess SA id
194001308FIDE id
?Date of birth
1994-08-27 (Adult)Gender
MaleRegion
Cape Town (WCT)Citizen
RSATitles
Chess SA registered
NoLast active game
2019-09-07Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1457.1 | 1455.5 | 1426 | 1426 |
| Raw rating | 1457.1 | 1455.5 | 1426 | 1426 |
| Weighted rating | 1457.1 | 1455.5 | 1426 | 1426 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 957.1 | 955.5 | 926 | 926 |
| K-factor | 32 | 32 | 32 | 32 |
| Min/Max rating change allowed | 115 | 115.2 | 120.2 | 120.2 |
| Highest rating | 1506.62019-09-01 | 1500.62019-09-01 | 14262019-03-01 | 14262019-03-01 |
| Highest raw rating | 1457.12024-02-01 | 1455.52024-02-01 | 14262024-02-01 | 14262024-02-01 |
| Highest weighted rating | 1457.12024-02-01 | 1455.52024-02-01 | 14262019-03-01 | 14262019-03-01 |
| Highest weighted performance | 1506.62019-09-01 | 1500.62019-09-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1457.1 | 1455.5 | 1426 | 1426 |
| Analysis | ||||
| Rating | 1457.1 | 1455.5 | 1426 | 1426 |
| Raw rating | 1457.1 | 1455.5 | 1426 | 1426 |
| Weighted rating | 1457.1 | 1455.5 | 1426 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 32 | 32 | 32 | 32 |
| Floor | 957.1 | 955.5 | 926 | 926 |
| Max/Min rating change allowed | 115 | 115.2 | 120.2 | 120.2 |
| 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 | 1457.1 | 1455.5 | 1426 | 1426 |
| New weighted rating | 1457.1 | 1455.5 | 1426 | 1426 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1457.1 | 1455.5 | 1426 | 1426 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1457.1 | 1455.5 | 1426 | 1426 |
| New K-factor | 32 | 32 | 32 | 32 |
| New floor | 957.1 | 955.5 | 926 | 926 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 112 | 105 | 0 | 7 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Cape Town (WCT) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult 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 | 11 | 7.5 | 68.18 | 154.5 | 1363.1 | 1517.6 |
| Standard | 11 | 7.5 | 68.18 | 154.5 | 1363.1 | 1517.6 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2025-09-30 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2025-09-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2025-08-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2025-07-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2025-06-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2025-05-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2025-04-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2025-03-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2025-02-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2025-01-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2024-12-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2024-11-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2024-10-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2024-09-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2024-08-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2024-07-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2024-09-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2024-05-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2024-04-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2024-03-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2024-02-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2024-01-01 | 1457.1 | 1455.5 | 1426 | 1426 |
| 2023-12-01 | 1457.1 | 1455.5 | 1426 | 1426 |
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 | 2019 Western Province League (B) | 2019-07-27 | 2019-09-07 | Standard | Cape Town (WCT) | 11 | 4 | 3 | Yes | Analysis |
| 2 | 2018 Western Province League (B) | 2018-08-04 | 2018-09-15 | Standard | Cape Town (WCT) | 11 | 7 | 4.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2018 Western Province League | Tournament2018 Western Province League | ||||||
| date2018-08-18 | rnd5 | typeStandard | result1 | date2018-09-01 | rnd7 | typeStandard | result1 | ||
| OpponentLe Roux, M (Murray) | OpponentArnold, F (Fuad) | ||||||||
| 2 | 2 | Tournament2019 Western Province League | Tournament2019 Western Province League | ||||||
| date2019-07-27 | rnd1 | typeStandard | result1 | date2019-08-03 | rnd4 | typeStandard | result1 | ||
| OpponentJansen, L (Lyle) | OpponentMbhele, N (Nkululeko) | ||||||||
| 3 | 2 | Tournament2018 Western Province League | Tournament2018 Western Province League | ||||||
| date2018-08-04 | rnd1 | typeStandard | result1 | date2018-08-04 | rnd2 | typeStandard | result1 | ||
| OpponentStyer, G (Garth) | OpponentKhan, B (Bashaarit) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2018 Western Province League | Tournament2018 Western Province League | ||||||
| date2018-08-18 | rnd5 | typeStandard | result1 | date2018-09-01 | rnd7 | typeStandard | result1 | ||
| OpponentLe Roux, M (Murray) | OpponentArnold, F (Fuad) | ||||||||
| 2 | 2 | Tournament2019 Western Province League | Tournament2019 Western Province League | ||||||
| date2019-07-27 | rnd1 | typeStandard | result1 | date2019-08-03 | rnd4 | typeStandard | result1 | ||
| OpponentJansen, L (Lyle) | OpponentMbhele, N (Nkululeko) | ||||||||
| 3 | 2 | Tournament2018 Western Province League | Tournament2018 Western Province League | ||||||
| date2018-08-04 | rnd1 | typeStandard | result1 | date2018-08-04 | rnd2 | typeStandard | result1 | ||
| OpponentStyer, G (Garth) | OpponentKhan, B (Bashaarit) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2019 Western Province League | Tournament2019 Western Province League | ||||||
| date2019-07-27 | rnd1 | typeStandard | result1 | date2019-08-03 | rnd4 | typeStandard | result1 | ||
| OpponentJansen, L (Lyle) | OpponentMbhele, N (Nkululeko) | ||||||||
| 2 | 2 | Tournament2018 Western Province League | Tournament2018 Western Province League | ||||||
| date2018-08-04 | rnd1 | typeStandard | result1 | date2018-08-04 | rnd2 | typeStandard | result1 | ||
| OpponentStyer, G (Garth) | OpponentKhan, B (Bashaarit) | ||||||||
| 3 | 1 | Tournament2019 Western Province League | Tournament2019 Western Province League | ||||||
| date2019-08-10 | rnd6 | typeStandard | result1 | date2019-08-10 | rnd6 | typeStandard | result1 | ||
| OpponentMaritz, J (Jean) | OpponentMaritz, J (Jean) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2019 Western Province League | Tournament2019 Western Province League | ||||||
| date2019-07-27 | rnd1 | typeStandard | result1 | date2019-08-03 | rnd4 | typeStandard | result1 | ||
| OpponentJansen, L (Lyle) | OpponentMbhele, N (Nkululeko) | ||||||||
| 2 | 2 | Tournament2018 Western Province League | Tournament2018 Western Province League | ||||||
| date2018-08-04 | rnd1 | typeStandard | result1 | date2018-08-04 | rnd2 | typeStandard | result1 | ||
| OpponentStyer, G (Garth) | OpponentKhan, B (Bashaarit) | ||||||||
| 3 | 1 | Tournament2019 Western Province League | Tournament2019 Western Province League | ||||||
| date2019-08-10 | rnd6 | typeStandard | result1 | date2019-08-10 | rnd6 | typeStandard | result1 | ||
| OpponentMaritz, J (Jean) | OpponentMaritz, J (Jean) | ||||||||
| # | 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 | Maritz ,J (Jean) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1272.9 | 1697.9 | 1268.4 | 1697.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Le Roux ,M (Murray) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 3 | Khan ,B (Bashaarit) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1189 | 1614 | 1189 | 1614 | 0 | 0 | 0 | 0 | ||||||
| 4 | Mbhele ,N (Nkululeko) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1386.3 | 1811.3 | 1387.8 | 1811.3 | 0 | 0 | 0 | 0 | ||||||
| 5 | Jansen ,L (Lyle) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1331.5 | 1756.5 | 1297.8 | 1756.5 | 0 | 0 | 0 | 0 | ||||||
| 6 | Judd ,E (Emilio) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1175.3 | 1175.3 | 1171 | 1175.3 | 0 | 0 | 0 | 0 | ||||||
| 7 | Matthys ,A (Allistair) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1360.8 | 935.8 | 1359.7 | 935.8 | 0 | 0 | 0 | 0 | ||||||
| 8 | Arnold ,F (Fuad) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1475 | 1900 | 1475 | 1900 | 0 | 0 | 0 | 0 | ||||||
| 9 | Willenberg ,LS (Lauren Shante) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1611.2 | 1186.2 | 1619.3 | 1186.2 | 0 | 0 | 0 | 0 | ||||||
| 10 | Styer ,G (Garth) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1224.1 | 1649.1 | 1200 | 1649.1 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

