PLAYER PAGE
Personal
Bergh, I (Isabelle)
Chess SA id
210091657FIDE id
?Date of birth
2010-03-11 (U16)Gender
FemaleRegion
Sedibeng (GSV)Citizen
RSATitles
Chess SA registered
NoLast active game
2019-08-23Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1193.2 | 1188.9 | 1200 | 1200 |
| Raw rating | 1193.2 | 1188.9 | 1200 | 1200 |
| Weighted rating | 1193.2 | 1188.9 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 709.3 | 711.2 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 167.4 | 168.5 | 165.8 | 165.8 |
| Highest rating | 1214.12019-04-01 | 1211.22019-05-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1209.32019-05-01 | 1211.22019-05-01 | 12002024-03-01 | 12002024-03-01 |
| Highest weighted rating | 1209.32018-02-01 | 1211.22018-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1214.12019-04-01 | 1210.92019-04-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1193.2 | 1188.9 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1193.2 | 1188.9 | 1200 | 1200 |
| Raw rating | 1193.2 | 1188.9 | 1200 | 1200 |
| Weighted rating | 1193.2 | 1188.9 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 709.3 | 711.2 | 700 | 700 |
| Max/Min rating change allowed | 167.4 | 168.5 | 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 | 1193.2 | 1188.9 | 1200 | 1200 |
| New weighted rating | 1193.2 | 1188.9 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1193.2 | 1188.9 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1193.2 | 1188.9 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 709.3 | 711.2 | 700 | 700 |
| 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 | 30 | 30 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Sedibeng (GSV) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 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 | 20 | 11 | 55 | 42.5 | 1143.6 | 1186.1 |
| Standard | 20 | 11 | 55 | 42.5 | 1143.6 | 1186.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2025-09-30 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2025-09-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2025-08-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2025-07-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2025-06-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2025-05-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2025-04-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2025-03-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2025-02-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2025-01-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2024-12-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2024-11-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2024-10-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2024-09-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2024-08-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2024-07-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2024-09-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2024-05-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2024-04-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2024-03-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2024-02-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2024-01-01 | 1193.2 | 1188.9 | 1200 | 1200 |
| 2023-12-01 | 1193.2 | 1188.9 | 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 | 2019 Gauteng School League Finals (U9 Open) | 2019-08-23 | 2019-08-23 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 2 | D7 Individuals 2019 (U9 Girls) | 2019-05-04 | 2019-05-04 | Standard | Sedibeng (GSV) | 5 | 5 | 3 | Yes | Analysis |
| 3 | Dirk de Koster Chess Open 2019 (E) | 2019-04-13 | 2019-04-13 | Standard | Sedibeng (GSV) | 5 | 5 | 3.5 | Yes | Analysis |
| 4 | D7 Primary School League 2023 (U9 Boys+Mixed) | 2018-04-21 | 2018-04-21 | Standard | Sedibeng (GSV) | 5 | 5 | 2.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentDirk de Koster Chess Open 2019 | TournamentDirk de Koster Chess Open 2019 | ||||||
| date2019-04-13 | rnd3 | typeStandard | result0.5 | date2019-04-13 | rnd5 | typeStandard | result1 | ||
| OpponentSmith, D (Dijana) | OpponentSmith, E (Elani) | ||||||||
| 2 | 3 | TournamentD7 Primary School League 2023 | TournamentDirk de Koster Chess Open 2019 | ||||||
| date2018-04-21 | rnd4 | typeStandard | result1 | date2019-04-13 | rnd1 | typeStandard | result1 | ||
| OpponentDeetlefs, A (Anzelle) | OpponentPhethane, B (Boile) | ||||||||
| 3 | 2 | TournamentD7 Individuals 2019 | TournamentD7 Individuals 2019 | ||||||
| date2019-05-04 | rnd4 | typeStandard | result1 | date2019-05-04 | rnd5 | typeStandard | result1 | ||
| OpponentDreyer, K (Karien) | OpponentPosthumus, M (Mcyla) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentDirk de Koster Chess Open 2019 | TournamentDirk de Koster Chess Open 2019 | ||||||
| date2019-04-13 | rnd3 | typeStandard | result0.5 | date2019-04-13 | rnd5 | typeStandard | result1 | ||
| OpponentSmith, D (Dijana) | OpponentSmith, E (Elani) | ||||||||
| 2 | 3 | TournamentD7 Primary School League 2023 | TournamentDirk de Koster Chess Open 2019 | ||||||
| date2018-04-21 | rnd4 | typeStandard | result1 | date2019-04-13 | rnd1 | typeStandard | result1 | ||
| OpponentDeetlefs, A (Anzelle) | OpponentPhethane, B (Boile) | ||||||||
| 3 | 2 | TournamentD7 Individuals 2019 | TournamentD7 Individuals 2019 | ||||||
| date2019-05-04 | rnd4 | typeStandard | result1 | date2019-05-04 | rnd5 | typeStandard | result1 | ||
| OpponentDreyer, K (Karien) | OpponentPosthumus, M (Mcyla) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentD7 Individuals 2019 | TournamentD7 Individuals 2019 | ||||||
| date2019-05-04 | rnd4 | typeStandard | result1 | date2019-05-04 | rnd5 | typeStandard | result1 | ||
| OpponentDreyer, K (Karien) | OpponentPosthumus, M (Mcyla) | ||||||||
| 2 | 2 | TournamentDirk de Koster Chess Open 2019 | TournamentDirk de Koster Chess Open 2019 | ||||||
| date2019-04-13 | rnd4 | typeStandard | result1 | date2019-04-13 | rnd5 | typeStandard | result1 | ||
| OpponentMakae, K (Kabelo) | OpponentSmith, E (Elani) | ||||||||
| 3 | 1 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
| date2019-08-23 | rnd4 | typeStandard | result1 | date2019-08-23 | rnd4 | typeStandard | result1 | ||
| OpponentTembe, BS (Banele Siphesihle) | OpponentTembe, BS (Banele Siphesihle) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentD7 Individuals 2019 | TournamentD7 Individuals 2019 | ||||||
| date2019-05-04 | rnd4 | typeStandard | result1 | date2019-05-04 | rnd5 | typeStandard | result1 | ||
| OpponentDreyer, K (Karien) | OpponentPosthumus, M (Mcyla) | ||||||||
| 2 | 2 | TournamentDirk de Koster Chess Open 2019 | TournamentDirk de Koster Chess Open 2019 | ||||||
| date2019-04-13 | rnd4 | typeStandard | result1 | date2019-04-13 | rnd5 | typeStandard | result1 | ||
| OpponentMakae, K (Kabelo) | OpponentSmith, E (Elani) | ||||||||
| 3 | 1 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
| date2019-08-23 | rnd4 | typeStandard | result1 | date2019-08-23 | rnd4 | typeStandard | result1 | ||
| OpponentTembe, BS (Banele Siphesihle) | OpponentTembe, BS (Banele Siphesihle) | ||||||||
| # | 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 | Phethane ,B (Boile) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1192.1 | 1617.1 | 1190.2 | 1617.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Deetlefs ,A (Anzelle) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1167.2 | 1167.2 | 1160.2 | 1167.2 | 0 | 0 | 0 | 0 | ||||||
| 3 | De Rouwe ,ED (Eckhard) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 4 | Posthumus ,E (Ethan) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1151.5 | 1151.5 | 1141.6 | 1151.5 | 0 | 0 | 0 | 0 | ||||||
| 5 | Smith ,E (Elani) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 6 | Rajagpaul ,C (Cole) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 627 | 1052 | 627 | 1052 | 0 | 0 | 0 | 0 | ||||||
| 7 | Putter ,K (Kaylee) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 8 | Williams ,A (Anika) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1078.7 | 653.7 | 1056.3 | 653.7 | 0 | 0 | 0 | 0 | ||||||
| 9 | Dreyer ,K (Karien) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Smith ,D (Dijana) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1200 | 1200 | 1200 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

