PLAYER PAGE
Personal

Weitz, J (Johann)
Chess SA id
1120116373FIDE id
?Date of birth
2012-03-19 (U14)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-15Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
Rating | 1205.9 | 1198.5 | 1200 | 1200 |
Raw rating | 1205.9 | 1198.5 | 1200 | 1200 |
Weighted rating | 1179.4 | 1163.9 | 1200 | 1200 |
Weighted performance | 762.7 | 756.9 | 0 | 0 |
Floor | 802.5 | 818.3 | 700 | 700 |
K-factor | 36 | 36 | 36 | 36 |
Min/Max rating change allowed | 164.4 | 166.2 | 165.8 | 165.8 |
Highest rating | 1567.92019-06-01 | 15632019-06-01 | 12002018-10-01 | 12002018-10-01 |
Highest raw rating | 1302.52019-08-01 | 1318.32019-08-01 | 12002024-02-01 | 12002024-02-01 |
Highest weighted rating | 1302.52019-10-01 | 1318.32019-10-01 | 12002018-10-01 | 12002018-10-01 |
Highest weighted performance | 1567.92019-06-01 | 15632019-06-01 | 12002024-02-01 | 12002024-02-01 |
Prediction | ||||
---|---|---|---|---|
Item | Main | Standard | Rapid | Blitz |
Rating change | 0 | 0 | 0 | 0 |
New rating | 1205.9 | 1198.5 | 1200 | 1200 |
Analysis | ||||
Rating | 1205.9 | 1198.5 | 1200 | 1200 |
Raw rating | 1205.9 | 1198.5 | 1200 | 1200 |
Weighted rating | 1179.4 | 1163.9 | 1200 | |
Weighted performance | 762.7 | 756.9 | 0 | |
K-factor | 36 | 36 | 36 | 36 |
Floor | 802.5 | 818.3 | 700 | 700 |
Max/Min rating change allowed | 164.4 | 166.2 | 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 | 1205.9 | 1198.5 | 1200 | 1200 |
New weighted rating | 1181.7 | 1166.9 | 1200 | 1200 |
New weighted performance | 762.3 | 756.5 | 0 | 0 |
Temp new rating | 1205.9 | 1198.5 | 1200 | 1200 |
Temp new rating +/- | 0 | 0 | 0 | 0 |
Final new rating +/- | 0 | 0 | 0 | 0 |
New rating | 1205.9 | 1198.5 | 1200 | 1200 |
New K-factor | 36 | 36 | 36 | 36 |
New floor | 802.5 | 818.3 | 700 | 700 |
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
0 | 0 | 0 | 0 | |
5 | 5 | 0 | 0 | |
2 | 2 | 0 | 0 | |
5 | 5 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
History | 37 | 37 | 0 | 0 |
Games since | |||||||||||||||||
Main7 | Standard7 | Rapid0 | Blitz0 | ||||||||||||||
Gender | Male | ||||||||||||||||
Age group | U14 | ||||||||||||||||
Region | Tshwane (GTP) | ||||||||||||||||
Province | Gauteng (GT) | ||||||||||||||||
Main | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U14 | -1 | -1 | -1 | ||||||||||||||
U14 Male | -1 | -1 | -1 | ||||||||||||||
Standard | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U14 | -1 | -1 | -1 | ||||||||||||||
U14 Male | -1 | -1 | -1 | ||||||||||||||
Rapid | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U14 | -1 | -1 | -1 | ||||||||||||||
U14 Male | -1 | -1 | -1 | ||||||||||||||
Blitz | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U14 | -1 | -1 | -1 | ||||||||||||||
U14 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 | 1276.4 | 1361.4 |
Standard | 5 | 3 | 60 | 85 | 1276.4 | 1361.4 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
History | ||||||
Games | Score | % | Dp | AvgOpp | Performance | |
Main | 37 | 21.5 | 58.11 | 68.9 | 1165.3 | 1234.2 |
Standard | 37 | 21.5 | 58.11 | 68.9 | 1165.3 | 1234.2 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
Date | Main | Standard | Rapid | Blitz |
2025-09-30 | 1205.9 | 1198.5 | 1200 | 1200 |
2025-09-01 | 1205.9 | 1198.5 | 1200 | 1200 |
2025-08-01 | 1174.5 | 1157.7 | 1200 | 1200 |
2025-07-01 | 1174.5 | 1157.7 | 1200 | 1200 |
2025-06-01 | 1174.5 | 1157.7 | 1200 | 1200 |
2025-05-01 | 1174.5 | 1157.7 | 1200 | 1200 |
2025-04-01 | 1174.5 | 1157.7 | 1200 | 1200 |
2025-03-01 | 1174.5 | 1157.7 | 1200 | 1200 |
2025-02-01 | 1174.5 | 1157.7 | 1200 | 1200 |
2025-01-01 | 1174.4 | 1157.7 | 1200 | 1200 |
2024-12-01 | 1174.4 | 1157.7 | 1200 | 1200 |
2024-11-01 | 1174.4 | 1157.7 | 1200 | 1200 |
2024-10-01 | 1174.4 | 1157.7 | 1200 | 1200 |
2024-09-01 | 1174.4 | 1157.7 | 1200 | 1200 |
2024-08-01 | 1174.4 | 1156.6 | 1200 | 1200 |
2024-07-01 | 1174.4 | 1156.6 | 1200 | 1200 |
2024-06-01 | 1174.4 | 1156.6 | 1200 | 1200 |
2024-08-01 | 1174.4 | 1156.6 | 1200 | 1200 |
2024-04-01 | 1174.4 | 1156.6 | 1200 | 1200 |
2024-03-01 | 1174.4 | 1156.6 | 1200 | 1200 |
2024-02-01 | 1174.4 | 1156.6 | 1200 | 1200 |
2024-01-01 | 1174.4 | 1156.6 | 1200 | 1200 |
2023-12-01 | 1174.4 | 1156.6 | 1200 | 1200 |
2023-11-01 | 1174.4 | 1156.6 | 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 |
---|---|---|---|---|---|---|---|---|---|---|
1 | 2025 Tshwane South School District CLOSED League Championship (U13A) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|---|---|---|---|---|---|---|---|---|---|
1 | 2025 Tshwane South School District CLOSED League Championship (U13A) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
2 | D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13B) | 2024-08-03 | 2024-08-03 | Standard | Tshwane (GTP) | 5 | 2 | 1 | Yes | Analysis |
3 | 2023 Tshwane South School District CLOSED Individual Championships (U11 Open) | 2023-04-22 | 2023-04-22 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
4 | 2020 Registration Tournament (E) | 2020-01-25 | 2020-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
5 | 2019 Lardies Open (D) | 2019-10-26 | 2019-10-26 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
6 | 2019 Alekhine Open (F) | 2019-08-09 | 2019-08-09 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
7 | 2019 Menlo Open (F) | 2019-07-13 | 2019-07-13 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
8 | 2019 Swartkop Open (F) | 2019-06-15 | 2019-06-15 | Standard | Tshwane (GTP) | 5 | 5 | 5 | Yes | Analysis |
Top 3 Streaks
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 7 | Tournament2019 Swartkop Open | Tournament2019 Menlo Open | ||||||
date2019-06-15 | rnd1 | typeStandard | result1 | date2019-07-13 | rnd2 | typeStandard | result1 | ||
OpponentDoyle, U (Uisce) | OpponentDe Jager, G (Gustave) | ||||||||
2 | 3 | Tournament2019 Menlo Open | Tournament2019 Alekhine Open | ||||||
date2019-07-13 | rnd4 | typeStandard | result1 | date2019-08-09 | rnd1 | typeStandard | result1 | ||
OpponentPenfold, CJ (Craig Jean) | OpponentDe Jager, G (Gustave) | ||||||||
3 | 2 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
date2025-08-15 | rnd4 | typeStandard | result1 | date2025-08-15 | rnd5 | typeStandard | result1 | ||
OpponentVan Den Bergh, C (Christiaan) | OpponentMokalapa, J (Junior) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 7 | Tournament2019 Swartkop Open | Tournament2019 Menlo Open | ||||||
date2019-06-15 | rnd1 | typeStandard | result1 | date2019-07-13 | rnd2 | typeStandard | result1 | ||
OpponentDoyle, U (Uisce) | OpponentDe Jager, G (Gustave) | ||||||||
2 | 3 | Tournament2019 Menlo Open | Tournament2019 Alekhine Open | ||||||
date2019-07-13 | rnd4 | typeStandard | result1 | date2019-08-09 | rnd1 | typeStandard | result1 | ||
OpponentPenfold, CJ (Craig Jean) | OpponentDe Jager, G (Gustave) | ||||||||
3 | 2 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
date2025-08-15 | rnd4 | typeStandard | result1 | date2025-08-15 | rnd5 | typeStandard | result1 | ||
OpponentVan Den Bergh, C (Christiaan) | OpponentMokalapa, J (Junior) |
# | Games | Start | End |
---|
# | Games | Start | End |
---|
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 7 | Tournament2019 Swartkop Open | Tournament2019 Menlo Open | ||||||
date2019-06-15 | rnd1 | typeStandard | result1 | date2019-07-13 | rnd2 | typeStandard | result1 | ||
OpponentDoyle, U (Uisce) | OpponentDe Jager, G (Gustave) | ||||||||
2 | 3 | Tournament2019 Menlo Open | Tournament2019 Alekhine Open | ||||||
date2019-07-13 | rnd4 | typeStandard | result1 | date2019-08-09 | rnd1 | typeStandard | result1 | ||
OpponentPenfold, CJ (Craig Jean) | OpponentDe Jager, G (Gustave) | ||||||||
3 | 2 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
date2025-08-15 | rnd4 | typeStandard | result1 | date2025-08-15 | rnd5 | typeStandard | result1 | ||
OpponentVan Den Bergh, C (Christiaan) | OpponentMokalapa, J (Junior) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 7 | Tournament2019 Swartkop Open | Tournament2019 Menlo Open | ||||||
date2019-06-15 | rnd1 | typeStandard | result1 | date2019-07-13 | rnd2 | typeStandard | result1 | ||
OpponentDoyle, U (Uisce) | OpponentDe Jager, G (Gustave) | ||||||||
2 | 3 | Tournament2019 Menlo Open | Tournament2019 Alekhine Open | ||||||
date2019-07-13 | rnd4 | typeStandard | result1 | date2019-08-09 | rnd1 | typeStandard | result1 | ||
OpponentPenfold, CJ (Craig Jean) | OpponentDe Jager, G (Gustave) | ||||||||
3 | 2 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
date2025-08-15 | rnd4 | typeStandard | result1 | date2025-08-15 | rnd5 | typeStandard | result1 | ||
OpponentVan Den Bergh, C (Christiaan) | OpponentMokalapa, J (Junior) |
# | 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 | Jansen Van Vuuren ,G (Gianni) | 3 | 3 | 425 | 3 | 3 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1188.4 | 1613.4 | 1185.1 | 1613.4 | 0 | 0 | 0 | 0 | ||||||
2 | De Jager ,G (Gustave) | 3 | 3 | 425 | 3 | 3 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1200 | 1625 | 1198.1 | 1625 | 0 | 0 | 0 | 0 | ||||||
3 | Penfold ,CJ (Craig Jean) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1127.6 | 1552.6 | 1113.6 | 1552.6 | 0 | 0 | 0 | 0 | ||||||
4 | Dekker ,H (Heinrich) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
5 | De Graaff ,R (Ruben) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1214.1 | 1639.1 | 1218 | 1639.1 | 0 | 0 | 0 | 0 | ||||||
6 | Yang ,S (Selina) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1101.3 | 1526.3 | 1087 | 1526.3 | 0 | 0 | 0 | 0 | ||||||
7 | Snyman ,CW (Connor William) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1016.2 | 1441.2 | 997.6 | 1441.2 | 0 | 0 | 0 | 0 | ||||||
8 | Pretorius ,P (Pieter) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1233.4 | 1658.4 | 1210.1 | 1658.4 | 0 | 0 | 0 | 0 | ||||||
9 | Raats ,M (Magnus) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
10 | Pieterse ,J (Jayden) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1217.6 | 792.6 | 1220.8 | 792.6 | 0 | 0 | 0 | 0 |
Norms
# | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
---|---|---|---|---|---|---|---|---|