PLAYER PAGE
Personal
Lotter, B (Berno)
Chess SA id
1080101046FIDE id
?Date of birth
2008-07-24 (U18)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-07-29Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1253.7 | 1240 | 1189 | 1200 |
| Raw rating | 1253.7 | 1240 | 1189 | 1200 |
| Weighted rating | 1253.7 | 1240 | 1189 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 753.7 | 740 | 702 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 153.6 | 156.6 | 168.4 | 165.8 |
| Highest rating | 1253.72024-02-01 | 1640.62023-07-01 | 12022018-06-01 | 12002018-10-01 |
| Highest raw rating | 1253.72024-02-01 | 12402024-02-01 | 12022018-06-01 | 12002024-02-01 |
| Highest weighted rating | 1253.72025-06-01 | 12402025-06-01 | 12022019-05-01 | 12002018-10-01 |
| Highest weighted performance | 1241.62018-05-01 | 1640.62023-07-01 | 12002018-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1253.7 | 1240 | 1189 | 1200 |
| Analysis | ||||
| Rating | 1253.7 | 1240 | 1189 | 1200 |
| Raw rating | 1253.7 | 1240 | 1189 | 1200 |
| Weighted rating | 1253.7 | 1240 | 1189 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 753.7 | 740 | 702 | 700 |
| Max/Min rating change allowed | 153.6 | 156.6 | 168.4 | 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 | 1253.7 | 1240 | 1189 | 1200 |
| New weighted rating | 1253.7 | 1240 | 1189 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1253.7 | 1240 | 1189 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1253.7 | 1240 | 1189 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 753.7 | 740 | 702 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 2 | 2 | 0 | 0 | |
| 4 | 0 | 4 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 16 | 2 | 14 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 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 | 16 | 12 | 75 | 212.5 | 1087.7 | 1300.2 |
| Standard | 2 | 2 | 100 | 425 | 1200 | 1625 |
| Rapid | 14 | 10 | 71.43 | 182.1 | 1071.6 | 1253.8 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2025-09-30 | 1253.7 | 1240 | 1189 | 1200 |
| 2025-09-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2025-08-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2025-07-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2025-06-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2025-05-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2025-04-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2025-03-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2025-02-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2025-01-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2024-12-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2024-11-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2024-10-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2024-09-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2024-08-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2024-07-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2024-09-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2024-05-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2024-04-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2024-03-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2024-02-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2024-01-01 | 1253.7 | 1240 | 1189 | 1200 |
| 2023-12-01 | 1253.7 | 1240 | 1189 | 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 | Interhigh 2023 (U15) | 2023-07-29 | 2023-07-29 | Standard | Ehlanzeni (MEN) | 3 | 2 | 2 | Yes | Analysis |
| 2 | Mpumalanga Finaal 2022 (O15) | 2022-08-22 | 2022-08-22 | Rapid | Gert Sibande (MGS) | 5 | 4 | 3 | Yes | Analysis |
| 3 | 2019 Super 12 Laerskole (Seniors) | 2019-05-04 | 2019-05-04 | Rapid | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 4 | 2018 Super 12 (Junior) | 2018-05-05 | 2018-05-05 | Rapid | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentMpumalanga Finaal 2022 | TournamentMpumalanga Finaal 2022 | ||||||
| date2022-08-22 | rnd1 | typeRapid | result1 | date2022-08-22 | rnd3 | typeRapid | result1 | ||
| OpponentShabangu, R (Rorisang) | OpponentAgre, AS (Atharv) | ||||||||
| 2 | 3 | Tournament2018 Super 12 | Tournament2019 Super 12 Laerskole | ||||||
| date2018-05-05 | rnd5 | typeRapid | result1 | date2019-05-04 | rnd2 | typeRapid | result1 | ||
| OpponentFouche, H (Heinrich) | OpponentWessels, L (Li-Mei) | ||||||||
| 3 | 3 | Tournament2018 Super 12 | Tournament2018 Super 12 | ||||||
| date2018-05-05 | rnd1 | typeRapid | result1 | date2018-05-05 | rnd3 | typeRapid | result1 | ||
| OpponentVan Wyk, N (Natan) | OpponentVenter, I (Isabella) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentInterhigh 2023 | TournamentInterhigh 2023 | ||||||
| date2023-07-29 | rnd1 | typeStandard | result1 | date2023-07-29 | rnd2 | typeStandard | result1 | ||
| OpponentBengo, V (Vilizwi) | OpponentMhlanga, L (Lulama) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentMpumalanga Finaal 2022 | TournamentMpumalanga Finaal 2022 | ||||||
| date2022-08-22 | rnd1 | typeRapid | result1 | date2022-08-22 | rnd3 | typeRapid | result1 | ||
| OpponentShabangu, R (Rorisang) | OpponentAgre, AS (Atharv) | ||||||||
| 2 | 3 | Tournament2018 Super 12 | Tournament2019 Super 12 Laerskole | ||||||
| date2018-05-05 | rnd5 | typeRapid | result1 | date2019-05-04 | rnd2 | typeRapid | result1 | ||
| OpponentFouche, H (Heinrich) | OpponentWessels, L (Li-Mei) | ||||||||
| 3 | 3 | Tournament2018 Super 12 | Tournament2018 Super 12 | ||||||
| date2018-05-05 | rnd1 | typeRapid | result1 | date2018-05-05 | rnd3 | typeRapid | result1 | ||
| OpponentVan Wyk, N (Natan) | OpponentVenter, I (Isabella) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentMpumalanga Finaal 2022 | TournamentMpumalanga Finaal 2022 | ||||||
| date2022-08-22 | rnd1 | typeRapid | result1 | date2022-08-22 | rnd3 | typeRapid | result1 | ||
| OpponentShabangu, R (Rorisang) | OpponentAgre, AS (Atharv) | ||||||||
| 2 | 3 | Tournament2018 Super 12 | Tournament2019 Super 12 Laerskole | ||||||
| date2018-05-05 | rnd5 | typeRapid | result1 | date2019-05-04 | rnd2 | typeRapid | result1 | ||
| OpponentFouche, H (Heinrich) | OpponentWessels, L (Li-Mei) | ||||||||
| 3 | 3 | Tournament2018 Super 12 | Tournament2018 Super 12 | ||||||
| date2018-05-05 | rnd1 | typeRapid | result1 | date2018-05-05 | rnd3 | typeRapid | result1 | ||
| OpponentVan Wyk, N (Natan) | OpponentVenter, I (Isabella) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentInterhigh 2023 | TournamentInterhigh 2023 | ||||||
| date2023-07-29 | rnd1 | typeStandard | result1 | date2023-07-29 | rnd2 | typeStandard | result1 | ||
| OpponentBengo, V (Vilizwi) | OpponentMhlanga, L (Lulama) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentMpumalanga Finaal 2022 | TournamentMpumalanga Finaal 2022 | ||||||
| date2022-08-22 | rnd1 | typeRapid | result1 | date2022-08-22 | rnd3 | typeRapid | result1 | ||
| OpponentShabangu, R (Rorisang) | OpponentAgre, AS (Atharv) | ||||||||
| 2 | 3 | Tournament2018 Super 12 | Tournament2019 Super 12 Laerskole | ||||||
| date2018-05-05 | rnd5 | typeRapid | result1 | date2019-05-04 | rnd2 | typeRapid | result1 | ||
| OpponentFouche, H (Heinrich) | OpponentWessels, L (Li-Mei) | ||||||||
| 3 | 3 | Tournament2018 Super 12 | Tournament2018 Super 12 | ||||||
| date2018-05-05 | rnd1 | typeRapid | result1 | date2018-05-05 | rnd3 | typeRapid | result1 | ||
| OpponentVan Wyk, N (Natan) | OpponentVenter, I (Isabella) | ||||||||
| # | 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 | Bengo ,V (Vilizwi) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 2 | Mhlanga ,L (Lulama) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 3 | Zanna ,J (Jahkuska) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1084.1 | 659.1 | 0 | 0 | 1097.6 | 659.1 | 0 | 0 | ||||||
| 4 | Coertse ,J (Jaimi) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 761.2 | 336.2 | 0 | 0 | 756.4 | 336.2 | 0 | 0 | ||||||
| 5 | Engels ,ZJ (Zander Johan) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1133 | 708 | 0 | 0 | 997.8 | 708 | 0 | 0 | ||||||
| 6 | Venter ,I (Isabella) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1200 | 1625 | 0 | 0 | 1200 | 1625 | 0 | 0 | ||||||
| 7 | Van Wyk ,N (Natan) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1224.7 | 1649.7 | 0 | 0 | 1234.8 | 1649.7 | 0 | 0 | ||||||
| 8 | Du Toit ,PJS (Petrus Jacobus Stephanus) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1131.4 | 1556.4 | 0 | 0 | 922.8 | 1556.4 | 0 | 0 | ||||||
| 9 | Wessels ,L (Li-Mei) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 941.1 | 1366.1 | 0 | 0 | 827.4 | 1366.1 | 0 | 0 | ||||||
| 10 | Fouche ,H (Heinrich) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1081.3 | 1506.3 | 0 | 0 | 635 | 1506.3 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

