PLAYER PAGE
Personal
Van Vliet, J (Janu)
Chess SA id
1140306417FIDE id
?Date of birth
2014-01-10 (U12)Gender
MaleRegion
Nelson Mandela Bay (ENM)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-03Personal details last changed
1900-01-01Junior GPX Games
42Junior GPX Points
1062.9| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1193.4 | 1207.4 | 1168.3 | 1200 |
| Raw rating | 1193.4 | 1207.4 | 1168.3 | 1200 |
| Weighted rating | 1182.2 | 1200 | 1163.9 | 1200 |
| Weighted performance | 1137.8 | 1135.5 | 0 | 0 |
| Floor | 700 | 707.4 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 167.4 | 164.1 | 173.5 | 165.8 |
| Highest rating | 12002024-12-01 | 1207.42025-09-01 | 12002024-12-01 | 12002024-07-01 |
| Highest raw rating | 12002024-06-01 | 1207.42025-09-01 | 12002024-06-01 | 12002024-07-01 |
| Highest weighted rating | 12002024-12-01 | 12002024-07-01 | 12002024-12-01 | 12002024-07-01 |
| Highest weighted performance | 12002024-12-01 | 12002024-07-01 | 12002024-12-01 | 12002024-07-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1193.4 | 1207.4 | 1168.3 | 1200 |
| Analysis | ||||
| Rating | 1193.4 | 1207.4 | 1168.3 | 1200 |
| Raw rating | 1193.4 | 1207.4 | 1168.3 | 1200 |
| Weighted rating | 1182.2 | 1200 | 1163.9 | |
| Weighted performance | 1137.8 | 1135.5 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 707.4 | 700 | 700 |
| Max/Min rating change allowed | 167.4 | 164.1 | 173.5 | 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 | 1193.4 | 1207.4 | 1168.3 | 1200 |
| New weighted rating | 1182.9 | 1200.6 | 1163.8 | 1200 |
| New weighted performance | 1130.9 | 1128.6 | 0 | 0 |
| Temp new rating | 1193.4 | 1207.4 | 1168.3 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1193.4 | 1207.4 | 1168.3 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 707.4 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 42 | 42 | 0 | 0 | |
| 6 | 0 | 6 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 48 | 42 | 6 | 0 |
| Games since | |||||||||||||||||
| Main48 | Standard42 | Rapid6 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U12 | ||||||||||||||||
| Region | Nelson Mandela Bay (ENM) | ||||||||||||||||
| Province | Eastern Cape (EC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 4179 | 532 | 174 | ||||||||||||||
| Male | 3111 | 411 | 142 | ||||||||||||||
| U12 | 694 | 81 | 24 | ||||||||||||||
| U12 Male | 476 | 57 | 20 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 4007 | 526 | 163 | ||||||||||||||
| Male | 3009 | 413 | 130 | ||||||||||||||
| U12 | 644 | 75 | 23 | ||||||||||||||
| U12 Male | 443 | 54 | 19 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 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 | 42 | 10 | 23.81 | -222.6 | 1280.5 | 1057.9 |
| Standard | 42 | 10 | 23.81 | -222.6 | 1280.5 | 1057.9 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 48 | 11.5 | 23.96 | -221.4 | 1268.5 | 1047.2 |
| Standard | 42 | 10 | 23.81 | -222.6 | 1280.5 | 1057.9 |
| Rapid | 6 | 1.5 | 25 | -212.5 | 1184.5 | 972 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1193.4 | 1207.4 | 1168.3 | 1200 |
| 2025-09-30 | 1193.4 | 1207.4 | 1168.3 | 1200 |
| 2025-09-01 | 1193.4 | 1207.4 | 1168.3 | 1200 |
| 2025-08-01 | 1179.9 | 1196.8 | 1168.3 | 1200 |
| 2025-07-01 | 1178.2 | 1194.9 | 1168.3 | 1200 |
| 2025-06-01 | 1176.1 | 1191.8 | 1168.3 | 1200 |
| 2025-05-01 | 1179.7 | 1195.7 | 1168.3 | 1200 |
| 2025-04-01 | 1182.8 | 1199 | 1168.3 | 1200 |
| 2025-03-01 | 1179.2 | 1193.9 | 1168.3 | 1200 |
| 2025-02-01 | 1183.4 | 1200 | 1167.2 | 1200 |
| 2025-01-01 | 1169.7 | 1200 | 1140 | 1200 |
| 2024-12-01 | 1169.7 | 1200 | 1140 | 1200 |
| 2024-11-01 | 1169.7 | 1200 | 1140 | 1200 |
| 2024-10-01 | 1169.7 | 1200 | 1140 | 1200 |
| 2024-09-01 | 1169.7 | 1200 | 1140 | 1200 |
| 2024-08-01 | 1169.7 | 1200 | 1140 | 1200 |
| 2024-07-01 | 1169.7 | 1200 | 1140 | 1200 |
| 2024-09-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-05-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-04-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-03-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-12-01 | 1200 | 1200 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | UCC Mind Over Board 2025 (B) | 2025-08-01 | 2025-08-03 | Standard | Nelson Mandela Bay (ENM) | 5 | 4 | 2 | Yes | Analysis |
| 2 | Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open) | 2025-07-11 | 2025-07-12 | Standard | Amathole (EAL) | 6 | 5 | 1 | Yes | Analysis |
| 3 | Eastern Cape Inter-Regional Team Chess Championship 2025 (U12) | 2025-07-10 | 2025-07-11 | Standard | Amathole (EAL) | 5 | 3 | 0 | Yes | Analysis |
| 4 | Fide in the Bay 2025 (B) | 2025-07-05 | 2025-07-05 | Standard | Nelson Mandela Bay (ENM) | 5 | 4 | 2 | Yes | Analysis |
| 5 | NMBCU Closed 2025 (U12) | 2025-06-13 | 2025-06-14 | Standard | Nelson Mandela Bay (ENM) | 6 | 5 | 1 | Yes | Analysis |
| 6 | NMBCU Trial 4 2025 (U12) | 2025-05-09 | 2025-05-10 | Standard | Nelson Mandela Bay (ENM) | 6 | 5 | 0.5 | Yes | Analysis |
| 7 | Karen Ashworth 2025 (C) | 2025-04-26 | 2025-04-26 | Standard | Nelson Mandela Bay (ENM) | 5 | 5 | 1.5 | Yes | Analysis |
| 8 | NMB 3rd Trials 2025 (U12) | 2025-04-11 | 2025-04-12 | Standard | Nelson Mandela Bay (ENM) | 6 | 5 | 1 | Yes | Analysis |
| 9 | NMBCH Trial 1 2025 (U12) | 2025-02-14 | 2025-02-15 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 1 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | UCC Mind Over Board 2025 (B) | 2025-08-01 | 2025-08-03 | Standard | Nelson Mandela Bay (ENM) | 5 | 4 | 2 | Yes | Analysis |
| 2 | Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open) | 2025-07-11 | 2025-07-12 | Standard | Amathole (EAL) | 6 | 5 | 1 | Yes | Analysis |
| 3 | Eastern Cape Inter-Regional Team Chess Championship 2025 (U12) | 2025-07-10 | 2025-07-11 | Standard | Amathole (EAL) | 5 | 3 | 0 | Yes | Analysis |
| 4 | Fide in the Bay 2025 (B) | 2025-07-05 | 2025-07-05 | Standard | Nelson Mandela Bay (ENM) | 5 | 4 | 2 | Yes | Analysis |
| 5 | NMBCU Closed 2025 (U12) | 2025-06-13 | 2025-06-14 | Standard | Nelson Mandela Bay (ENM) | 6 | 5 | 1 | Yes | Analysis |
| 6 | NMBCU Trial 4 2025 (U12) | 2025-05-09 | 2025-05-10 | Standard | Nelson Mandela Bay (ENM) | 6 | 5 | 0.5 | Yes | Analysis |
| 7 | Karen Ashworth 2025 (C) | 2025-04-26 | 2025-04-26 | Standard | Nelson Mandela Bay (ENM) | 5 | 5 | 1.5 | Yes | Analysis |
| 8 | NMB 3rd Trials 2025 (U12) | 2025-04-11 | 2025-04-12 | Standard | Nelson Mandela Bay (ENM) | 6 | 5 | 1 | Yes | Analysis |
| 9 | NMBCH Trial 1 2025 (U12) | 2025-02-14 | 2025-02-15 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 1 | Yes | Analysis |
| 10 | Willow Academy 2024 (C) | 2024-06-22 | 2024-06-22 | Rapid | Nelson Mandela Bay (ENM) | 6 | 6 | 1.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentNMBCU Closed 2025 | TournamentFide in the Bay 2025 | ||||||
| date2025-06-14 | rnd6 | typeStandard | result1 | date2025-07-05 | rnd1 | typeStandard | result1 | ||
| OpponentMouton, W (Wyatt) | OpponentArmstrong, K (Kristin) | ||||||||
| 2 | 2 | TournamentKaren Ashworth 2025 | TournamentKaren Ashworth 2025 | ||||||
| date2025-04-26 | rnd3 | typeStandard | result1 | date2025-04-26 | rnd4 | typeStandard | result0.5 | ||
| OpponentCoetzer, H (Hanroux) | OpponentGrobler, G (Gabi) | ||||||||
| 3 | 2 | TournamentWillow Academy 2024 | TournamentWillow Academy 2024 | ||||||
| date2024-06-22 | rnd3 | typeRapid | result0.5 | date2024-06-22 | rnd4 | typeRapid | result1 | ||
| OpponentSana, A (Azakhanye) | OpponentVan Eck, H (Hunter) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentNMBCU Closed 2025 | TournamentFide in the Bay 2025 | ||||||
| date2025-06-14 | rnd6 | typeStandard | result1 | date2025-07-05 | rnd1 | typeStandard | result1 | ||
| OpponentMouton, W (Wyatt) | OpponentArmstrong, K (Kristin) | ||||||||
| 2 | 2 | TournamentKaren Ashworth 2025 | TournamentKaren Ashworth 2025 | ||||||
| date2025-04-26 | rnd3 | typeStandard | result1 | date2025-04-26 | rnd4 | typeStandard | result0.5 | ||
| OpponentCoetzer, H (Hanroux) | OpponentGrobler, G (Gabi) | ||||||||
| 3 | 1 | TournamentUCC Mind Over Board 2025 | TournamentUCC Mind Over Board 2025 | ||||||
| date2025-08-03 | rnd5 | typeStandard | result1 | date2025-08-03 | rnd5 | typeStandard | result1 | ||
| OpponentGreeff, N (Nathan) | OpponentGreeff, N (Nathan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentWillow Academy 2024 | TournamentWillow Academy 2024 | ||||||
| date2024-06-22 | rnd3 | typeRapid | result0.5 | date2024-06-22 | rnd4 | typeRapid | result1 | ||
| OpponentSana, A (Azakhanye) | OpponentVan Eck, H (Hunter) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentNMBCU Closed 2025 | TournamentFide in the Bay 2025 | ||||||
| date2025-06-14 | rnd6 | typeStandard | result1 | date2025-07-05 | rnd1 | typeStandard | result1 | ||
| OpponentMouton, W (Wyatt) | OpponentArmstrong, K (Kristin) | ||||||||
| 2 | 1 | TournamentUCC Mind Over Board 2025 | TournamentUCC Mind Over Board 2025 | ||||||
| date2025-08-03 | rnd5 | typeStandard | result1 | date2025-08-03 | rnd5 | typeStandard | result1 | ||
| OpponentGreeff, N (Nathan) | OpponentGreeff, N (Nathan) | ||||||||
| 3 | 1 | TournamentUCC Mind Over Board 2025 | TournamentUCC Mind Over Board 2025 | ||||||
| date2025-08-02 | rnd3 | typeStandard | result1 | date2025-08-02 | rnd3 | typeStandard | result1 | ||
| OpponentAndrews, T (Timothy) | OpponentAndrews, T (Timothy) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentNMBCU Closed 2025 | TournamentFide in the Bay 2025 | ||||||
| date2025-06-14 | rnd6 | typeStandard | result1 | date2025-07-05 | rnd1 | typeStandard | result1 | ||
| OpponentMouton, W (Wyatt) | OpponentArmstrong, K (Kristin) | ||||||||
| 2 | 1 | TournamentUCC Mind Over Board 2025 | TournamentUCC Mind Over Board 2025 | ||||||
| date2025-08-03 | rnd5 | typeStandard | result1 | date2025-08-03 | rnd5 | typeStandard | result1 | ||
| OpponentGreeff, N (Nathan) | OpponentGreeff, N (Nathan) | ||||||||
| 3 | 1 | TournamentUCC Mind Over Board 2025 | TournamentUCC Mind Over Board 2025 | ||||||
| date2025-08-02 | rnd3 | typeStandard | result1 | date2025-08-02 | rnd3 | typeStandard | result1 | ||
| OpponentAndrews, T (Timothy) | OpponentAndrews, T (Timothy) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentWillow Academy 2024 | TournamentWillow Academy 2024 | ||||||
| date2024-06-22 | rnd4 | typeRapid | result1 | date2024-06-22 | rnd4 | typeRapid | result1 | ||
| OpponentVan Eck, H (Hunter) | OpponentVan Eck, H (Hunter) | ||||||||
| # | 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 | Brown ,Z (Zachery) | 4 | 0.5 | -318.8 | 3 | 0.5 | -283.3 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1209.2 | 890.4 | 1209.4 | 925.8 | 1200 | 784.2 | 0 | 0 | ||||||
| 2 | Wimble ,M (Matthew) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1205.1 | 780.1 | 1206.2 | 780.1 | 0 | 0 | 0 | 0 | ||||||
| 3 | Mouton ,W (Wyatt) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1176 | 1034.3 | 1186.6 | 1034.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Coetzer ,H (Hanroux) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1227.4 | 1227.4 | 1285.6 | 1227.4 | 0 | 0 | 0 | 0 | ||||||
| 5 | Van Greunen ,W (Willem) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1363.9 | 938.9 | 1385.1 | 938.9 | 0 | 0 | 0 | 0 | ||||||
| 6 | Mabutho ,S (Simingayo) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1333.2 | 908.2 | 1332.2 | 908.2 | 0 | 0 | 0 | 0 | ||||||
| 7 | Van Dyk ,B (Ben) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1299.5 | 874.5 | 1302.6 | 874.5 | 0 | 0 | 0 | 0 | ||||||
| 8 | Jacobs ,J (Joel) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1401.7 | 976.7 | 1400.1 | 976.7 | 0 | 0 | 0 | 0 | ||||||
| 9 | Armstrong ,K (Kristin) | 2 | 1 | 0 | 1 | 1 | 425 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1210.7 | 1210.7 | 1311.4 | 1635.7 | 1200 | 785.7 | 0 | 0 | ||||||
| 10 | Slabbert ,B (Burger Francios) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1440.1 | 1015.1 | 1452.3 | 1015.1 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

