PLAYER PAGE
Personal
Nkosi, B (Buhle)
Chess SA id
1110156280FIDE id
?Date of birth
2011-07-05 (U16)Gender
MaleRegion
West Rand (GWR)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-10-04Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1186.6 | 1187.7 | 1200 | 1200 |
| Raw rating | 1186.6 | 1187.7 | 1200 | 1200 |
| Weighted rating | 1186.1 | 1187.6 | 1200 | 1200 |
| Weighted performance | 1010.1 | 1009.7 | 0 | 0 |
| Floor | 719.1 | 729.8 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 169 | 168.7 | 165.8 | 165.8 |
| Highest rating | 1232.12024-07-01 | 1232.42024-07-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1219.12024-08-01 | 1229.82024-08-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1219.12018-10-01 | 1229.82018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1232.12024-07-01 | 1232.42024-07-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0.1 | 0.6 | 0 | 0 |
| New rating | 1186.7 | 1188.3 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1186.6 | 1187.7 | 1200 | 1200 |
| Raw rating | 1186.6 | 1187.7 | 1200 | 1200 |
| Weighted rating | 1186.1 | 1187.6 | 1200 | |
| Weighted performance | 1010.1 | 1009.7 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 719.1 | 729.8 | 700 | 700 |
| Max/Min rating change allowed | 169 | 168.7 | 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 | 1186.6 | 1187.7 | 1200 | 1200 |
| New weighted rating | 1186.7 | 1188.3 | 1200 | 1200 |
| New weighted performance | 1003.1 | 1002.7 | 0 | 0 |
| Temp new rating | 1186.7 | 1188.3 | 1200 | 1200 |
| Temp new rating +/- | 0.1 | 0.6 | 0 | 0 |
| Final new rating +/- | 0.1 | 0.6 | 0 | 0 |
| New rating | 1186.7 | 1188.3 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 719.1 | 729.8 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 19 | 19 | 0 | 0 | |
| 19 | 19 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 38 | 38 | 0 | 0 |
| Games since | |||||||||||||||||
| Main19 | Standard19 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | West Rand (GWR) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 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 | 38 | 15.5 | 40.79 | -78.3 | 1244.8 | 1166.6 |
| Standard | 38 | 15.5 | 40.79 | -78.3 | 1244.8 | 1166.6 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1186.6 | 1187.7 | 1200 | 1200 |
| 2025-09-30 | 1186.6 | 1187.7 | 1200 | 1200 |
| 2025-09-01 | 1186.6 | 1187.7 | 1200 | 1200 |
| 2025-08-01 | 1186.6 | 1187.7 | 1200 | 1200 |
| 2025-07-01 | 1186.6 | 1187.7 | 1200 | 1200 |
| 2025-06-01 | 1186.6 | 1187.7 | 1200 | 1200 |
| 2025-05-01 | 1186.6 | 1187.7 | 1200 | 1200 |
| 2025-04-01 | 1186.6 | 1187.7 | 1200 | 1200 |
| 2025-03-01 | 1186.6 | 1187.7 | 1200 | 1200 |
| 2025-02-01 | 1186.6 | 1187.7 | 1200 | 1200 |
| 2025-01-01 | 1186.6 | 1187.7 | 1200 | 1200 |
| 2024-12-01 | 1186.6 | 1187.7 | 1200 | 1200 |
| 2024-11-01 | 1186.6 | 1187.7 | 1200 | 1200 |
| 2024-10-01 | 1202.7 | 1207.1 | 1200 | 1200 |
| 2024-09-01 | 1219.1 | 1229.8 | 1200 | 1200 |
| 2024-08-01 | 1219.1 | 1229.8 | 1200 | 1200 |
| 2024-07-01 | 1188.3 | 1193.8 | 1200 | 1200 |
| 2024-09-01 | 1188.3 | 1193.8 | 1200 | 1200 |
| 2024-05-01 | 1140.2 | 1134 | 1200 | 1200 |
| 2024-04-01 | 1140.2 | 1134 | 1200 | 1200 |
| 2024-03-01 | 1140.2 | 1134 | 1200 | 1200 |
| 2024-02-01 | 1140.2 | 1134 | 1200 | 1200 |
| 2024-01-01 | 1140.2 | 1134 | 1200 | 1200 |
| 2023-12-01 | 1140.2 | 1134 | 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 | Gauteng Top Schools 2024 (U13 Open) | 2024-10-04 | 2024-10-04 | Standard | Ekurhuleni (GE) | 5 | 4 | 1 | Yes | Analysis |
| 2 | 2024 West Rand Trials (U14) | 2024-09-07 | 2024-09-07 | Standard | West Rand (GWR) | 5 | 5 | 2 | Yes | Analysis |
| 3 | D2 School League Finals 2024 (U13) | 2024-07-20 | 2024-07-20 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 4 | 2024 D2 Schools Individuals (U13 Boys) | 2024-05-04 | 2024-05-04 | Standard | West Rand (GWR) | 5 | 5 | 3.5 | Yes | Analysis |
| 5 | 2023 West Rand Trials (U14) | 2023-09-09 | 2023-09-09 | Standard | West Rand (GWR) | 5 | 5 | 2 | Yes | Analysis |
| 6 | West Rand at Bastion 2023 (Bishops) | 2023-08-05 | 2023-08-05 | Standard | West Rand (GWR) | 5 | 5 | 2 | Yes | Analysis |
| 7 | D2 School League Finals 2023 (U13) | 2023-07-22 | 2023-07-22 | Standard | West Rand (GWR) | 5 | 5 | 1 | Yes | Analysis |
| 8 | D2 Schools Individuals 2023 (U13 Boys) | 2023-05-13 | 2023-05-13 | Standard | West Rand (GWR) | 5 | 4 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentD2 School League Finals 2024 | Tournament2024 West Rand Trials | ||||||
| date2024-07-20 | rnd4 | typeStandard | result1 | date2024-09-07 | rnd1 | typeStandard | result1 | ||
| OpponentMaritz, W (Waldo Hermann) | OpponentZikhali, F (Faith) | ||||||||
| 2 | 3 | Tournament2024 D2 Schools Individuals | Tournament2024 D2 Schools Individuals | ||||||
| date2024-05-04 | rnd3 | typeStandard | result0.5 | date2024-05-04 | rnd5 | typeStandard | result1 | ||
| OpponentMnguni, KJ (Katlego Junior) | OpponentMasoko, K (Koketso) | ||||||||
| 3 | 1 | TournamentGauteng Top Schools 2024 | TournamentGauteng Top Schools 2024 | ||||||
| date2024-10-04 | rnd4 | typeStandard | result1 | date2024-10-04 | rnd4 | typeStandard | result1 | ||
| OpponentMtsewu, G (Gopolang) | OpponentMtsewu, G (Gopolang) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentD2 School League Finals 2024 | Tournament2024 West Rand Trials | ||||||
| date2024-07-20 | rnd4 | typeStandard | result1 | date2024-09-07 | rnd1 | typeStandard | result1 | ||
| OpponentMaritz, W (Waldo Hermann) | OpponentZikhali, F (Faith) | ||||||||
| 2 | 3 | Tournament2024 D2 Schools Individuals | Tournament2024 D2 Schools Individuals | ||||||
| date2024-05-04 | rnd3 | typeStandard | result0.5 | date2024-05-04 | rnd5 | typeStandard | result1 | ||
| OpponentMnguni, KJ (Katlego Junior) | OpponentMasoko, K (Koketso) | ||||||||
| 3 | 1 | TournamentGauteng Top Schools 2024 | TournamentGauteng Top Schools 2024 | ||||||
| date2024-10-04 | rnd4 | typeStandard | result1 | date2024-10-04 | rnd4 | typeStandard | result1 | ||
| OpponentMtsewu, G (Gopolang) | OpponentMtsewu, G (Gopolang) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentD2 School League Finals 2024 | Tournament2024 West Rand Trials | ||||||
| date2024-07-20 | rnd4 | typeStandard | result1 | date2024-09-07 | rnd1 | typeStandard | result1 | ||
| OpponentMaritz, W (Waldo Hermann) | OpponentZikhali, F (Faith) | ||||||||
| 2 | 2 | Tournament2024 D2 Schools Individuals | Tournament2024 D2 Schools Individuals | ||||||
| date2024-05-04 | rnd4 | typeStandard | result1 | date2024-05-04 | rnd5 | typeStandard | result1 | ||
| OpponentMagagula, S (Siyabonga) | OpponentMasoko, K (Koketso) | ||||||||
| 3 | 1 | TournamentGauteng Top Schools 2024 | TournamentGauteng Top Schools 2024 | ||||||
| date2024-10-04 | rnd4 | typeStandard | result1 | date2024-10-04 | rnd4 | typeStandard | result1 | ||
| OpponentMtsewu, G (Gopolang) | OpponentMtsewu, G (Gopolang) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentD2 School League Finals 2024 | Tournament2024 West Rand Trials | ||||||
| date2024-07-20 | rnd4 | typeStandard | result1 | date2024-09-07 | rnd1 | typeStandard | result1 | ||
| OpponentMaritz, W (Waldo Hermann) | OpponentZikhali, F (Faith) | ||||||||
| 2 | 2 | Tournament2024 D2 Schools Individuals | Tournament2024 D2 Schools Individuals | ||||||
| date2024-05-04 | rnd4 | typeStandard | result1 | date2024-05-04 | rnd5 | typeStandard | result1 | ||
| OpponentMagagula, S (Siyabonga) | OpponentMasoko, K (Koketso) | ||||||||
| 3 | 1 | TournamentGauteng Top Schools 2024 | TournamentGauteng Top Schools 2024 | ||||||
| date2024-10-04 | rnd4 | typeStandard | result1 | date2024-10-04 | rnd4 | typeStandard | result1 | ||
| OpponentMtsewu, G (Gopolang) | OpponentMtsewu, G (Gopolang) | ||||||||
| # | 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 | Mathibe ,N (Nokukhanya) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1168.9 | 1593.9 | 1162 | 1593.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Rudd ,D (De Winter) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1205.2 | 1205.2 | 1205.6 | 1205.2 | 0 | 0 | 0 | 0 | ||||||
| 3 | Masoko ,K (Koketso) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1211.1 | 1636.1 | 1214 | 1636.1 | 0 | 0 | 0 | 0 | ||||||
| 4 | Van Deventer ,A (Andre) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1234.1 | 809.1 | 1239 | 809.1 | 0 | 0 | 0 | 0 | ||||||
| 5 | Lombaard ,M (Michael) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1236.2 | 811.2 | 1242.6 | 811.2 | 0 | 0 | 0 | 0 | ||||||
| 6 | Mnguni ,KJ (Katlego Junior) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1239.1 | 1239.1 | 1247.2 | 1239.1 | 0 | 0 | 0 | 0 | ||||||
| 7 | Venter ,C (Christiaan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1219.3 | 794.3 | 1249.6 | 794.3 | 0 | 0 | 0 | 0 | ||||||
| 8 | Floor ,R (Rikus) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1139.9 | 714.9 | 1132.4 | 714.9 | 0 | 0 | 0 | 0 | ||||||
| 9 | Sekano ,K (Katlego) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1206.5 | 1631.5 | 1209.2 | 1631.5 | 0 | 0 | 0 | 0 | ||||||
| 10 | Maritz ,W (Waldo Hermann) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1215.8 | 1640.8 | 1219.1 | 1640.8 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

