PLAYER PAGE
Personal
Cerfontein, Z (Zenat)
Chess SA id
1080138163FIDE id
?Date of birth
2008-09-29 (U18)Gender
MaleRegion
Nelson Mandela Bay (ENM)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-02-16Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1230 | 1211.5 | 1213.2 | 1200 |
| Raw rating | 1230 | 1211.5 | 1213.2 | 1200 |
| Weighted rating | 1229.9 | 1211.3 | 1213.2 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 730 | 711.5 | 713.2 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 158.9 | 163.1 | 162.7 | 165.8 |
| Highest rating | 1273.72022-02-01 | 1253.42024-02-01 | 1260.12022-02-01 | 12002018-10-01 |
| Highest raw rating | 12302024-03-01 | 1211.52024-03-01 | 1213.22024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1229.62025-08-01 | 1210.72025-08-01 | 1213.22024-02-01 | 12002018-10-01 |
| Highest weighted performance | 1273.72022-02-01 | 1253.42024-02-01 | 1260.12022-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1230 | 1211.5 | 1213.2 | 1200 |
| Analysis | ||||
| Rating | 1230 | 1211.5 | 1213.2 | 1200 |
| Raw rating | 1230 | 1211.5 | 1213.2 | 1200 |
| Weighted rating | 1229.9 | 1211.3 | 1213.2 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 730 | 711.5 | 713.2 | 700 |
| Max/Min rating change allowed | 158.9 | 163.1 | 162.7 | 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 | 1230 | 1211.5 | 1213.2 | 1200 |
| New weighted rating | 1229.9 | 1211.4 | 1213.2 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1230 | 1211.5 | 1213.2 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1230 | 1211.5 | 1213.2 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 730 | 711.5 | 713.2 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 6 | 6 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 0 | 5 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 11 | 6 | 5 | 0 |
| Games since | |||||||||||||||||
| Main6 | Standard6 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Nelson Mandela Bay (ENM) | ||||||||||||||||
| Province | Eastern Cape (EC) | ||||||||||||||||
| 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 | 11 | 6 | 54.55 | 38.6 | 1247.9 | 1286.5 |
| Standard | 6 | 3 | 50 | 0 | 1250.8 | 1250.8 |
| Rapid | 5 | 3 | 60 | 85 | 1244.4 | 1329.4 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2025-09-30 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2025-09-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2025-08-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2025-07-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2025-06-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2025-05-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2025-04-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2025-03-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2025-02-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2025-01-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2024-12-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2024-11-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2024-10-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2024-09-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2024-08-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2024-07-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2024-09-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2024-05-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2024-04-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2024-03-01 | 1230 | 1211.5 | 1213.2 | 1200 |
| 2024-02-01 | 1224.6 | 1200 | 1213.2 | 1200 |
| 2024-01-01 | 1224.6 | 1200 | 1213.2 | 1200 |
| 2023-12-01 | 1224.6 | 1200 | 1213.2 | 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 | NMBCU Trials 1 2024 (U18) | 2024-02-16 | 2024-02-16 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 3 | Yes | Analysis |
| 2 | Pearson Chess Festival 2022 (Junior) | 2022-02-25 | 2022-02-26 | Rapid | Nelson Mandela Bay (ENM) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentNMBCU Trials 1 2024 | TournamentNMBCU Trials 1 2024 | ||||||
| date2024-02-16 | rnd5 | typeStandard | result1 | date2024-02-16 | rnd6 | typeStandard | result0.5 | ||
| OpponentJingxa, S (Simvuyele) | OpponentBrown, K (Kershae) | ||||||||
| 2 | 2 | TournamentNMBCU Trials 1 2024 | TournamentNMBCU Trials 1 2024 | ||||||
| date2024-02-16 | rnd2 | typeStandard | result0.5 | date2024-02-16 | rnd3 | typeStandard | result1 | ||
| OpponentKhumalo, S (Sifiso) | OpponentNgqengele, A (Achumile) | ||||||||
| 3 | 2 | TournamentPearson Chess Festival 2022 | TournamentPearson Chess Festival 2022 | ||||||
| date2022-02-25 | rnd2 | typeRapid | result1 | date2022-02-26 | rnd3 | typeRapid | result1 | ||
| OpponentPapu, L (Lilitha) | OpponentWilliams, C (Cwenga) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentNMBCU Trials 1 2024 | TournamentNMBCU Trials 1 2024 | ||||||
| date2024-02-16 | rnd5 | typeStandard | result1 | date2024-02-16 | rnd6 | typeStandard | result0.5 | ||
| OpponentJingxa, S (Simvuyele) | OpponentBrown, K (Kershae) | ||||||||
| 2 | 2 | TournamentNMBCU Trials 1 2024 | TournamentNMBCU Trials 1 2024 | ||||||
| date2024-02-16 | rnd2 | typeStandard | result0.5 | date2024-02-16 | rnd3 | typeStandard | result1 | ||
| OpponentKhumalo, S (Sifiso) | OpponentNgqengele, A (Achumile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentPearson Chess Festival 2022 | TournamentPearson Chess Festival 2022 | ||||||
| date2022-02-25 | rnd2 | typeRapid | result1 | date2022-02-26 | rnd3 | typeRapid | result1 | ||
| OpponentPapu, L (Lilitha) | OpponentWilliams, C (Cwenga) | ||||||||
| 2 | 1 | TournamentPearson Chess Festival 2022 | TournamentPearson Chess Festival 2022 | ||||||
| date2022-02-26 | rnd5 | typeRapid | result1 | date2022-02-26 | rnd5 | typeRapid | result1 | ||
| OpponentDuri, CM (Chelsea Makanaka) | OpponentDuri, CM (Chelsea Makanaka) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentPearson Chess Festival 2022 | TournamentPearson Chess Festival 2022 | ||||||
| date2022-02-25 | rnd2 | typeRapid | result1 | date2022-02-26 | rnd3 | typeRapid | result1 | ||
| OpponentPapu, L (Lilitha) | OpponentWilliams, C (Cwenga) | ||||||||
| 2 | 1 | TournamentNMBCU Trials 1 2024 | TournamentNMBCU Trials 1 2024 | ||||||
| date2024-02-16 | rnd5 | typeStandard | result1 | date2024-02-16 | rnd5 | typeStandard | result1 | ||
| OpponentJingxa, S (Simvuyele) | OpponentJingxa, S (Simvuyele) | ||||||||
| 3 | 1 | TournamentNMBCU Trials 1 2024 | TournamentNMBCU Trials 1 2024 | ||||||
| date2024-02-16 | rnd3 | typeStandard | result1 | date2024-02-16 | rnd3 | typeStandard | result1 | ||
| OpponentNgqengele, A (Achumile) | OpponentNgqengele, A (Achumile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentNMBCU Trials 1 2024 | TournamentNMBCU Trials 1 2024 | ||||||
| date2024-02-16 | rnd5 | typeStandard | result1 | date2024-02-16 | rnd5 | typeStandard | result1 | ||
| OpponentJingxa, S (Simvuyele) | OpponentJingxa, S (Simvuyele) | ||||||||
| 2 | 1 | TournamentNMBCU Trials 1 2024 | TournamentNMBCU Trials 1 2024 | ||||||
| date2024-02-16 | rnd3 | typeStandard | result1 | date2024-02-16 | rnd3 | typeStandard | result1 | ||
| OpponentNgqengele, A (Achumile) | OpponentNgqengele, A (Achumile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentPearson Chess Festival 2022 | TournamentPearson Chess Festival 2022 | ||||||
| date2022-02-25 | rnd2 | typeRapid | result1 | date2022-02-26 | rnd3 | typeRapid | result1 | ||
| OpponentPapu, L (Lilitha) | OpponentWilliams, C (Cwenga) | ||||||||
| 2 | 1 | TournamentPearson Chess Festival 2022 | TournamentPearson Chess Festival 2022 | ||||||
| date2022-02-26 | rnd5 | typeRapid | result1 | date2022-02-26 | rnd5 | typeRapid | result1 | ||
| OpponentDuri, CM (Chelsea Makanaka) | OpponentDuri, CM (Chelsea Makanaka) | ||||||||
| # | 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 | Chipunza ,J (James) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1607.3 | 1182.3 | 1596.9 | 1182.3 | 0 | 0 | 0 | 0 | ||||||
| 2 | Brown ,K (Kershae) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1097.4 | 1097.4 | 1084.8 | 1097.4 | 0 | 0 | 0 | 0 | ||||||
| 3 | Mpalala ,N (Ntando) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 4 | Jingxa ,S (Simvuyele) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Khumalo ,S (Sifiso) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1200 | 1200 | 1200 | 0 | 0 | 0 | 0 | ||||||
| 6 | Ngqengele ,A (Achumile) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 7 | Duri ,CM (Chelsea Makanaka) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1143.2 | 1568.2 | 0 | 0 | 1200 | 1568.2 | 0 | 0 | ||||||
| 8 | Jaffray ,J (Jason) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1200 | 775 | 0 | 0 | 1200 | 775 | 0 | 0 | ||||||
| 9 | Papu ,L (Lilitha) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1200 | 1625 | 0 | 0 | 1200 | 1625 | 0 | 0 | ||||||
| 10 | Williams ,C (Cwenga) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1200 | 1625 | 0 | 0 | 1200 | 1625 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

