PLAYER PAGE
Personal
Jacobs, B (Breyton)
Chess SA id
1030096794FIDE id
?Date of birth
2003-07-20 (Adult)Gender
MaleRegion
Pixley-ka-Seme (NCP)Citizen
RSATitles
SSChess SA registered
NoLast active game
2025-05-17Personal details last changed
2025-08-14Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1346.6 | 1370.1 | 784.5 | 784.5 |
| Raw rating | 1346.6 | 1370.1 | 784.5 | 784.5 |
| Weighted rating | 1346.6 | 1370.1 | 784.5 | 784.5 |
| Weighted performance | 813.3 | 813.6 | 0 | 0 |
| Floor | 846.6 | 870.2 | 500 | 500 |
| K-factor | 36 | 36 | 40 | 40 |
| Min/Max rating change allowed | 134.6 | 130.1 | 299.7 | 299.7 |
| Highest rating | 1361.92021-05-01 | 1370.22024-02-01 | 12002024-02-01 | 12002024-02-01 |
| Highest raw rating | 1346.62024-02-01 | 1370.22024-02-01 | 784.52024-02-01 | 784.52024-02-01 |
| Highest weighted rating | 1346.62025-02-01 | 1370.22025-02-01 | 784.52024-11-01 | 784.52024-11-01 |
| Highest weighted performance | 1361.92021-05-01 | 1363.52021-05-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1346.6 | 1370.1 | 784.5 | 784.5 |
| Analysis | ||||
| Rating | 1346.6 | 1370.1 | 784.5 | 784.5 |
| Raw rating | 1346.6 | 1370.1 | 784.5 | 784.5 |
| Weighted rating | 1346.6 | 1370.1 | 784.5 | |
| Weighted performance | 813.3 | 813.6 | 0 | |
| K-factor | 36 | 36 | 40 | 40 |
| Floor | 846.6 | 870.2 | 500 | 500 |
| Max/Min rating change allowed | 134.6 | 130.1 | 299.7 | 299.7 |
| 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 | 1346.6 | 1370.1 | 784.5 | 784.5 |
| New weighted rating | 1346.6 | 1370.1 | 784.5 | 784.5 |
| New weighted performance | 805 | 805.3 | 0 | 0 |
| Temp new rating | 1346.6 | 1370.1 | 784.5 | 784.5 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1346.6 | 1370.1 | 784.5 | 784.5 |
| New K-factor | 36 | 36 | 40 | 40 |
| New floor | 846.6 | 870.2 | 500 | 500 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 10 | 10 | 0 | 0 | |
| History | 75 | 75 | 0 | 0 |
| Games since | |||||||||||||||||
| Main5 | Standard5 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Pixley-ka-Seme (NCP) | ||||||||||||||||
| Province | Northern Cape (NC) | ||||||||||||||||
| 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 | 5 | 3 | 60 | 85 | 1246 | 1331 |
| Standard | 5 | 3 | 60 | 85 | 1246 | 1331 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 75 | 46.5 | 62 | 102 | 1188 | 1290 |
| Standard | 75 | 46.5 | 62 | 102 | 1188 | 1290 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1346.6 | 1370.1 | 784.5 | 784.5 |
| 2025-09-30 | 1346.6 | 1370.1 | 784.5 | 784.5 |
| 2025-09-01 | 1346.6 | 1370.1 | 784.5 | 784.5 |
| 2025-08-01 | 1346.6 | 1370.1 | 784.5 | 784.5 |
| 2025-07-01 | 1346.6 | 1370.1 | 784.5 | 784.5 |
| 2025-06-01 | 1346.3 | 1369.4 | 784.5 | 784.5 |
| 2025-05-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2025-04-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2025-03-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2025-02-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2025-01-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2024-12-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2024-11-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2024-10-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2024-09-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2024-08-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2024-07-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2024-09-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2024-05-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2024-04-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2024-03-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2024-02-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2024-01-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
| 2023-12-01 | 1346.6 | 1370.2 | 784.5 | 784.5 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Hopetown Schools Chess Tournament (U15-U19) | 2025-05-17 | 2025-05-17 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Hopetown Schools Chess Tournament (U15-U19) | 2025-05-17 | 2025-05-17 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3 | Yes | Analysis |
| 2 | Pixley Chess Open 2021 (U18-Open) | 2021-05-15 | 2021-05-15 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 5 | Yes | Analysis |
| 3 | Pixley Chess Open 2 2021 (A) | 2021-04-17 | 2021-04-17 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 4.5 | Yes | Analysis |
| 4 | NC Open 2020 (B) | 2020-02-28 | 2020-03-01 | Standard | Frances Baard (NCF) | 5 | 5 | 2 | Yes | Analysis |
| 5 | Kimberley Chess Club Christmas Open 2019 (C) | 2019-12-06 | 2019-12-07 | Standard | Frances Baard (NCF) | 5 | 4 | 2 | Yes | Analysis |
| 6 | Kimberley Chess Club Schools` Open 2019 (U17+U19 Open) | 2019-07-20 | 2019-07-20 | Standard | Frances Baard (NCF) | 5 | 5 | 3 | Yes | Analysis |
| 7 | South African Schools Individuals Chess Championships 2019 (U17+U19 Open) | 2019-06-18 | 2019-06-21 | Standard | Frances Baard (NCF) | 7 | 7 | 3 | Yes | Analysis |
| 8 | Northern Cape Trails 2019 (U18 Boys) | 2019-06-13 | 2019-06-13 | Standard | ZF Mgcawu (NZF) | 5 | 5 | 3 | Yes | Analysis |
| 9 | Inter Regional Chess Championship 2019 (U18) | 2019-05-10 | 2019-05-11 | Standard | Mangaung (FMB) | 5 | 5 | 3 | Yes | Analysis |
| 10 | Pixley ka Seme Schools Trials 2019 (U18 Boys) | 2019-03-09 | 2019-03-09 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3 | Yes | Analysis |
| 11 | Northern Cape Closed Chess Championships 2018 (U16 Open) | 2018-08-31 | 2018-09-01 | Standard | Frances Baard (NCF) | 5 | 4 | 1 | Yes | Analysis |
| 12 | Frances Baard Schools Open (U15 Boys) | 2018-08-17 | 2018-08-18 | Standard | Frances Baard (NCF) | 6 | 6 | 5 | Yes | Analysis |
| 13 | NC Provincial Schools Eliminations 2018 (U15 Boys) | 2018-06-23 | 2018-06-23 | Standard | Frances Baard (NCF) | 5 | 5 | 3 | Yes | Analysis |
| 14 | Pixley Schools District Eliminations 2018 (U15) | 2018-04-14 | 2018-04-14 | Standard | Pixley-ka-Seme (NCP) | 5 | 4 | 3 | Yes | Analysis |
| 15 | Pixley ka Seme Open 2018 (U16) | 2018-02-10 | 2018-02-10 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 11 | TournamentPixley Chess Open 2 2021 | Tournament2025 Hopetown Schools Chess Tournament | ||||||
| date2021-04-17 | rnd1 | typeStandard | result1 | date2025-05-17 | rnd1 | typeStandard | result1 | ||
| OpponentJohannes, T (Tyra) | OpponentNaude, R (Raymond) | ||||||||
| 2 | 5 | TournamentPixley ka Seme Open 2018 | TournamentPixley Schools District Eliminations 2018 | ||||||
| date2018-02-10 | rnd4 | typeStandard | result1 | date2018-04-14 | rnd4 | typeStandard | result1 | ||
| OpponentKrull, E (Enrique) | OpponentGorrah, CD (Cailin Davidene) | ||||||||
| 3 | 4 | TournamentKimberley Chess Club Schools` Open 2019 | TournamentKimberley Chess Club Christmas Open 2019 | ||||||
| date2019-07-20 | rnd3 | typeStandard | result1 | date2019-12-06 | rnd1 | typeStandard | result1 | ||
| OpponentMochwaro, T (Tshepiso) | OpponentAhjum, J (Jordan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 11 | TournamentPixley Chess Open 2 2021 | Tournament2025 Hopetown Schools Chess Tournament | ||||||
| date2021-04-17 | rnd1 | typeStandard | result1 | date2025-05-17 | rnd1 | typeStandard | result1 | ||
| OpponentJohannes, T (Tyra) | OpponentNaude, R (Raymond) | ||||||||
| 2 | 5 | TournamentPixley ka Seme Open 2018 | TournamentPixley Schools District Eliminations 2018 | ||||||
| date2018-02-10 | rnd4 | typeStandard | result1 | date2018-04-14 | rnd4 | typeStandard | result1 | ||
| OpponentKrull, E (Enrique) | OpponentGorrah, CD (Cailin Davidene) | ||||||||
| 3 | 4 | TournamentKimberley Chess Club Schools` Open 2019 | TournamentKimberley Chess Club Christmas Open 2019 | ||||||
| date2019-07-20 | rnd3 | typeStandard | result1 | date2019-12-06 | rnd1 | typeStandard | result1 | ||
| OpponentMochwaro, T (Tshepiso) | OpponentAhjum, J (Jordan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | TournamentPixley Chess Open 2 2021 | Tournament2025 Hopetown Schools Chess Tournament | ||||||
| date2021-04-17 | rnd3 | typeStandard | result1 | date2025-05-17 | rnd1 | typeStandard | result1 | ||
| OpponentVan Der Merwe, W (Waldo) | OpponentNaude, R (Raymond) | ||||||||
| 2 | 5 | TournamentPixley ka Seme Open 2018 | TournamentPixley Schools District Eliminations 2018 | ||||||
| date2018-02-10 | rnd4 | typeStandard | result1 | date2018-04-14 | rnd4 | typeStandard | result1 | ||
| OpponentKrull, E (Enrique) | OpponentGorrah, CD (Cailin Davidene) | ||||||||
| 3 | 3 | TournamentFrances Baard Schools Open | TournamentFrances Baard Schools Open | ||||||
| date2018-08-18 | rnd4 | typeStandard | result1 | date2018-08-18 | rnd6 | typeStandard | result1 | ||
| OpponentDaniels, K (Kutloano) | OpponentMoller, R (Ralph) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | TournamentPixley Chess Open 2 2021 | Tournament2025 Hopetown Schools Chess Tournament | ||||||
| date2021-04-17 | rnd3 | typeStandard | result1 | date2025-05-17 | rnd1 | typeStandard | result1 | ||
| OpponentVan Der Merwe, W (Waldo) | OpponentNaude, R (Raymond) | ||||||||
| 2 | 5 | TournamentPixley ka Seme Open 2018 | TournamentPixley Schools District Eliminations 2018 | ||||||
| date2018-02-10 | rnd4 | typeStandard | result1 | date2018-04-14 | rnd4 | typeStandard | result1 | ||
| OpponentKrull, E (Enrique) | OpponentGorrah, CD (Cailin Davidene) | ||||||||
| 3 | 3 | TournamentFrances Baard Schools Open | TournamentFrances Baard Schools Open | ||||||
| date2018-08-18 | rnd4 | typeStandard | result1 | date2018-08-18 | rnd6 | typeStandard | result1 | ||
| OpponentDaniels, K (Kutloano) | OpponentMoller, R (Ralph) | ||||||||
| # | 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 | Cedras ,C (Crusadian) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1202.2 | 1202.2 | 1202.6 | 1202.2 | 0 | 0 | 0 | 0 | ||||||
| 2 | Mdaka ,L (Likhanyile) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 925 | 1350 | 925.9 | 1350 | 0 | 0 | 0 | 0 | ||||||
| 3 | Halter ,P (Prince) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1144.9 | 719.9 | 1139.8 | 719.9 | 0 | 0 | 0 | 0 | ||||||
| 4 | Valashia ,A (Amogelang) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1419.1 | 994.1 | 1427.5 | 994.1 | 0 | 0 | 0 | 0 | ||||||
| 5 | Gorrah ,JAM (Joshua) | 2 | 0.5 | -212.5 | 2 | 0.5 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1386.8 | 1174.3 | 1393.8 | 1174.3 | 0 | 0 | 0 | 0 | ||||||
| 6 | Bruce ,X (Xavier) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1155 | 1580 | 1147 | 1580 | 0 | 0 | 0 | 0 | ||||||
| 7 | Shaw ,C (Chase) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1133.3 | 1133.3 | 1136.2 | 1133.3 | 0 | 0 | 0 | 0 | ||||||
| 8 | Van Der Westhuizen ,E (Ettienne) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1307.9 | 882.9 | 1328.8 | 882.9 | 0 | 0 | 0 | 0 | ||||||
| 9 | Greyling ,S (Stefan) | 2 | 1.5 | 212.5 | 2 | 1.5 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 917.4 | 1129.9 | 942.8 | 1129.9 | 0 | 0 | 0 | 0 | ||||||
| 10 | Kitengye ,A (Armand) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1298.4 | 1723.4 | 1310.8 | 1723.4 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

