PLAYER PAGE
Personal
De Beer, J (Jannie)
Chess SA id
1680158618FIDE id
?Date of birth
1968-03-21 (Adult)Gender
MaleRegion
Sedibeng (GSV)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-08-26Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1202.1 | 1199.2 | 1200 | 1200 |
| Raw rating | 1202.1 | 1199.2 | 1200 | 1200 |
| Weighted rating | 1202 | 1199 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 725.1 | 731 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 165.3 | 166 | 165.8 | 165.8 |
| Highest rating | 13482023-07-01 | 13532023-07-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1225.12023-08-01 | 12312023-08-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1225.12024-07-01 | 12312023-08-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 13482023-07-01 | 13532023-07-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1202.1 | 1199.2 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1202.1 | 1199.2 | 1200 | 1200 |
| Raw rating | 1202.1 | 1199.2 | 1200 | 1200 |
| Weighted rating | 1202 | 1199 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 725.1 | 731 | 700 | 700 |
| Max/Min rating change allowed | 165.3 | 166 | 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 | 1202.1 | 1199.2 | 1200 | 1200 |
| New weighted rating | 1202 | 1199 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1202.1 | 1199.2 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1202.1 | 1199.2 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 725.1 | 731 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 9 | 9 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 9 | 9 | 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 | 9 | 3.5 | 38.89 | -94.4 | 1308.6 | 1214.2 |
| Standard | 9 | 3.5 | 38.89 | -94.4 | 1308.6 | 1214.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1202.1 | 1199.2 | 1200 | 1200 |
| 2025-09-01 | 1202.1 | 1199.2 | 1200 | 1200 |
| 2025-08-01 | 1202.1 | 1199.2 | 1200 | 1200 |
| 2025-07-01 | 1202.1 | 1199.2 | 1200 | 1200 |
| 2025-06-01 | 1202.1 | 1199.2 | 1200 | 1200 |
| 2025-05-01 | 1202.1 | 1199.2 | 1200 | 1200 |
| 2025-04-01 | 1202.1 | 1199.2 | 1200 | 1200 |
| 2025-03-01 | 1202.1 | 1199.2 | 1200 | 1200 |
| 2025-02-01 | 1202.1 | 1199.2 | 1200 | 1200 |
| 2025-01-01 | 1201.8 | 1198.6 | 1200 | 1200 |
| 2024-12-01 | 1201.8 | 1198.6 | 1200 | 1200 |
| 2024-11-01 | 1201.8 | 1198.6 | 1200 | 1200 |
| 2024-10-01 | 1201.8 | 1198.6 | 1200 | 1200 |
| 2024-09-01 | 1201.8 | 1198.6 | 1200 | 1200 |
| 2024-08-01 | 1201.8 | 1198.6 | 1200 | 1200 |
| 2024-07-01 | 1201.8 | 1198.6 | 1200 | 1200 |
| 2024-06-01 | 1201.8 | 1198.6 | 1200 | 1200 |
| 2024-08-01 | 1201.8 | 1198.6 | 1200 | 1200 |
| 2024-04-01 | 1201.8 | 1198.6 | 1200 | 1200 |
| 2024-03-01 | 1201.8 | 1198.6 | 1200 | 1200 |
| 2024-02-01 | 1201.8 | 1198.6 | 1200 | 1200 |
| 2024-01-01 | 1201.8 | 1198.6 | 1200 | 1200 |
| 2023-12-01 | 1201.8 | 1198.6 | 1200 | 1200 |
| 2023-11-01 | 1201.8 | 1198.6 | 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 | NG Kerk Vanderbijlpark Suid Open 2023 (A) | 2023-08-26 | 2023-08-26 | Standard | Sedibeng (GSV) | 5 | 4 | 0.5 | Yes | Analysis |
| 2 | Eureka Open 2023 (D) | 2023-07-29 | 2023-07-29 | Standard | Sedibeng (GSV) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentEureka Open 2023 | TournamentEureka Open 2023 | ||||||
| date2023-07-29 | rnd1 | typeStandard | result1 | date2023-07-29 | rnd2 | typeStandard | result1 | ||
| OpponentMolefi, K (Kagiso) | OpponentMarcon, A (Alessio Ricardo) | ||||||||
| 2 | 1 | TournamentNG Kerk Vanderbijlpark Suid Open 2023 | TournamentNG Kerk Vanderbijlpark Suid Open 2023 | ||||||
| date2023-08-26 | rnd3 | typeStandard | result0.5 | date2023-08-26 | rnd3 | typeStandard | result0.5 | ||
| OpponentPretorius, HS (Hendrik) | OpponentPretorius, HS (Hendrik) | ||||||||
| 3 | 1 | TournamentEureka Open 2023 | TournamentEureka Open 2023 | ||||||
| date2023-07-29 | rnd5 | typeStandard | result1 | date2023-07-29 | rnd5 | typeStandard | result1 | ||
| OpponentHlongwane, S (Stanley Jnr Wandile) | OpponentHlongwane, S (Stanley Jnr Wandile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentEureka Open 2023 | TournamentEureka Open 2023 | ||||||
| date2023-07-29 | rnd1 | typeStandard | result1 | date2023-07-29 | rnd2 | typeStandard | result1 | ||
| OpponentMolefi, K (Kagiso) | OpponentMarcon, A (Alessio Ricardo) | ||||||||
| 2 | 1 | TournamentNG Kerk Vanderbijlpark Suid Open 2023 | TournamentNG Kerk Vanderbijlpark Suid Open 2023 | ||||||
| date2023-08-26 | rnd3 | typeStandard | result0.5 | date2023-08-26 | rnd3 | typeStandard | result0.5 | ||
| OpponentPretorius, HS (Hendrik) | OpponentPretorius, HS (Hendrik) | ||||||||
| 3 | 1 | TournamentEureka Open 2023 | TournamentEureka Open 2023 | ||||||
| date2023-07-29 | rnd5 | typeStandard | result1 | date2023-07-29 | rnd5 | typeStandard | result1 | ||
| OpponentHlongwane, S (Stanley Jnr Wandile) | OpponentHlongwane, S (Stanley Jnr Wandile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentEureka Open 2023 | TournamentEureka Open 2023 | ||||||
| date2023-07-29 | rnd1 | typeStandard | result1 | date2023-07-29 | rnd2 | typeStandard | result1 | ||
| OpponentMolefi, K (Kagiso) | OpponentMarcon, A (Alessio Ricardo) | ||||||||
| 2 | 1 | TournamentEureka Open 2023 | TournamentEureka Open 2023 | ||||||
| date2023-07-29 | rnd5 | typeStandard | result1 | date2023-07-29 | rnd5 | typeStandard | result1 | ||
| OpponentHlongwane, S (Stanley Jnr Wandile) | OpponentHlongwane, S (Stanley Jnr Wandile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentEureka Open 2023 | TournamentEureka Open 2023 | ||||||
| date2023-07-29 | rnd1 | typeStandard | result1 | date2023-07-29 | rnd2 | typeStandard | result1 | ||
| OpponentMolefi, K (Kagiso) | OpponentMarcon, A (Alessio Ricardo) | ||||||||
| 2 | 1 | TournamentEureka Open 2023 | TournamentEureka Open 2023 | ||||||
| date2023-07-29 | rnd5 | typeStandard | result1 | date2023-07-29 | rnd5 | typeStandard | result1 | ||
| OpponentHlongwane, S (Stanley Jnr Wandile) | OpponentHlongwane, S (Stanley Jnr Wandile) | ||||||||
| # | 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 | Mathe ,M (Mpumelelo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1278.9 | 853.9 | 1284.5 | 853.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Molefi ,K (Kagiso) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1259.9 | 1684.9 | 1269.5 | 1684.9 | 0 | 0 | 0 | 0 | ||||||
| 3 | Gebuza ,M (Mbali) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1261.8 | 836.8 | 1262.1 | 836.8 | 0 | 0 | 0 | 0 | ||||||
| 4 | Hlongwane ,S (Stanley Jnr Wandile) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1188 | 1613 | 1182.7 | 1613 | 0 | 0 | 0 | 0 | ||||||
| 5 | Naidoo ,K (Kajol) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1428 | 1003 | 1386 | 1003 | 0 | 0 | 0 | 0 | ||||||
| 6 | Marcon ,A (Alessio Ricardo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1266.9 | 1691.9 | 1272.1 | 1691.9 | 0 | 0 | 0 | 0 | ||||||
| 7 | Pretorius ,HS (Hendrik Stefanus) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1243.4 | 1243.4 | 1231.3 | 1243.4 | 0 | 0 | 0 | 0 | ||||||
| 8 | Theron ,A (Andre) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1576.1 | 1151.1 | 1542.9 | 1151.1 | 0 | 0 | 0 | 0 | ||||||
| 9 | Zikalala ,N (Nkulukelo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1274.4 | 849.4 | 1289.3 | 849.4 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|