PLAYER PAGE
Personal
Jacobs, JW (Jordan)
Chess SA id
105089270FIDE id
?Date of birth
2005-07-14 (Adult)Gender
MaleRegion
Sedibeng (GSV)Citizen
RSATitles
Chess SA registered
NoLast active game
2018-04-21Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1141.2 | 1130.4 | 1200 | 1200 |
| Raw rating | 1141.2 | 1130.4 | 1200 | 1200 |
| Weighted rating | 1141.2 | 1130.4 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 180.3 | 183.1 | 165.8 | 165.8 |
| Highest rating | 12002018-02-01 | 12002018-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002018-02-01 | 12002018-02-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-02-01 | 12002018-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002024-12-01 | 12002024-12-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1141.2 | 1130.4 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1141.2 | 1130.4 | 1200 | 1200 |
| Raw rating | 1141.2 | 1130.4 | 1200 | 1200 |
| Weighted rating | 1141.2 | 1130.4 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 180.3 | 183.1 | 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 | 1141.2 | 1130.4 | 1200 | 1200 |
| New weighted rating | 1141.2 | 1130.4 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1141.2 | 1130.4 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1141.2 | 1130.4 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 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 | 20 | 20 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Sedibeng (GSV) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| 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 | 10 | 5 | 50 | 0 | 984.8 | 984.8 |
| Standard | 10 | 5 | 50 | 0 | 984.8 | 984.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2025-09-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2025-08-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2025-07-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2025-06-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2025-05-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2025-04-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2025-03-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2025-02-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2025-01-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2024-12-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2024-11-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2024-10-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2024-09-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2024-08-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2024-07-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2024-06-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2024-08-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2024-04-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2024-03-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2024-02-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2024-01-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2023-12-01 | 1141.2 | 1130.4 | 1200 | 1200 |
| 2023-11-01 | 1141.2 | 1130.4 | 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 | D7 Primary School League 2023 (U13 Boys+Mixed) | 2018-04-21 | 2018-04-21 | Standard | Sedibeng (GSV) | 5 | 5 | 2 | Yes | Analysis |
| 2 | D7 Individual 2018 (U13 Boys) | 2018-02-24 | 2018-02-24 | Standard | Sedibeng (GSV) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentD7 Individual 2018 | TournamentD7 Individual 2018 | ||||||
| date2018-02-24 | rnd2 | typeStandard | result1 | date2018-02-24 | rnd4 | typeStandard | result1 | ||
| OpponentKekana, R (Relebohile) | OpponentVan Der Merwe, K (Kevin) | ||||||||
| 2 | 1 | TournamentD7 Primary School League 2023 | TournamentD7 Primary School League 2023 | ||||||
| date2018-04-21 | rnd3 | typeStandard | result1 | date2018-04-21 | rnd3 | typeStandard | result1 | ||
| OpponentRakosa, O (Ofentse) | OpponentRakosa, O (Ofentse) | ||||||||
| 3 | 1 | TournamentD7 Primary School League 2023 | TournamentD7 Primary School League 2023 | ||||||
| date2018-04-21 | rnd1 | typeStandard | result1 | date2018-04-21 | rnd1 | typeStandard | result1 | ||
| OpponentPhilasande, N (Ntokozo) | OpponentPhilasande, N (Ntokozo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentD7 Individual 2018 | TournamentD7 Individual 2018 | ||||||
| date2018-02-24 | rnd2 | typeStandard | result1 | date2018-02-24 | rnd4 | typeStandard | result1 | ||
| OpponentKekana, R (Relebohile) | OpponentVan Der Merwe, K (Kevin) | ||||||||
| 2 | 1 | TournamentD7 Primary School League 2023 | TournamentD7 Primary School League 2023 | ||||||
| date2018-04-21 | rnd3 | typeStandard | result1 | date2018-04-21 | rnd3 | typeStandard | result1 | ||
| OpponentRakosa, O (Ofentse) | OpponentRakosa, O (Ofentse) | ||||||||
| 3 | 1 | TournamentD7 Primary School League 2023 | TournamentD7 Primary School League 2023 | ||||||
| date2018-04-21 | rnd1 | typeStandard | result1 | date2018-04-21 | rnd1 | typeStandard | result1 | ||
| OpponentPhilasande, N (Ntokozo) | OpponentPhilasande, N (Ntokozo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentD7 Individual 2018 | TournamentD7 Individual 2018 | ||||||
| date2018-02-24 | rnd2 | typeStandard | result1 | date2018-02-24 | rnd4 | typeStandard | result1 | ||
| OpponentKekana, R (Relebohile) | OpponentVan Der Merwe, K (Kevin) | ||||||||
| 2 | 1 | TournamentD7 Primary School League 2023 | TournamentD7 Primary School League 2023 | ||||||
| date2018-04-21 | rnd3 | typeStandard | result1 | date2018-04-21 | rnd3 | typeStandard | result1 | ||
| OpponentRakosa, O (Ofentse) | OpponentRakosa, O (Ofentse) | ||||||||
| 3 | 1 | TournamentD7 Primary School League 2023 | TournamentD7 Primary School League 2023 | ||||||
| date2018-04-21 | rnd1 | typeStandard | result1 | date2018-04-21 | rnd1 | typeStandard | result1 | ||
| OpponentPhilasande, N (Ntokozo) | OpponentPhilasande, N (Ntokozo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentD7 Individual 2018 | TournamentD7 Individual 2018 | ||||||
| date2018-02-24 | rnd2 | typeStandard | result1 | date2018-02-24 | rnd4 | typeStandard | result1 | ||
| OpponentKekana, R (Relebohile) | OpponentVan Der Merwe, K (Kevin) | ||||||||
| 2 | 1 | TournamentD7 Primary School League 2023 | TournamentD7 Primary School League 2023 | ||||||
| date2018-04-21 | rnd3 | typeStandard | result1 | date2018-04-21 | rnd3 | typeStandard | result1 | ||
| OpponentRakosa, O (Ofentse) | OpponentRakosa, O (Ofentse) | ||||||||
| 3 | 1 | TournamentD7 Primary School League 2023 | TournamentD7 Primary School League 2023 | ||||||
| date2018-04-21 | rnd1 | typeStandard | result1 | date2018-04-21 | rnd1 | typeStandard | result1 | ||
| OpponentPhilasande, N (Ntokozo) | OpponentPhilasande, N (Ntokozo) | ||||||||
| # | 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 | Botes ,A (Arne) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 698.6 | 273.6 | 698.6 | 273.6 | 0 | 0 | 0 | 0 | ||||||
| 2 | Kekana ,R (Relebohile) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 3 | Human ,PMB (Petrus Marthinus) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 854.2 | 429.2 | 857.4 | 429.2 | 0 | 0 | 0 | 0 | ||||||
| 4 | Philasande ,N (Ntokozo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Van Staden ,D (Dantus) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 595.7 | 170.7 | 601.4 | 170.7 | 0 | 0 | 0 | 0 | ||||||
| 6 | Van Der Merwe ,K (Kevin) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 500 | 925 | 500 | 925 | 0 | 0 | 0 | 0 | ||||||
| 7 | Motaung ,L (Lindelwa) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 8 | Holtzhauzen ,B (Barnard) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 9 | Sebeho ,L (Lebo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 10 | Rakosa ,O (Ofentse) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|