PLAYER PAGE
Personal

Botha, Z (Zander)
Chess SA id
1170303463FIDE id
?Date of birth
2017-04-10 (U10)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
YesLast active game
2025-08-16Personal details last changed
1900-01-01Junior GPX Games
61.1Junior GPX Points
1221.3Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
Rating | 1394.4 | 1398 | 1200 | 1240.8 |
Raw rating | 1383.7 | 1398 | 1200 | 1240.8 |
Weighted rating | 1321.1 | 1325.9 | 1200 | 1217.5 |
Weighted performance | 1394.4 | 1393.5 | 0 | 0 |
Floor | 926.5 | 925.6 | 700 | 740.8 |
K-factor | 32 | 32 | 36 | 36 |
Min/Max rating change allowed | 127.6 | 125.1 | 165.8 | 156.5 |
Highest rating | 1426.52025-01-01 | 1425.62025-01-01 | 12002024-05-01 | 1240.82025-05-05 |
Highest raw rating | 1426.52025-01-01 | 1425.62025-01-01 | 12002024-05-01 | 1240.82025-05-05 |
Highest weighted rating | 1312.62025-09-01 | 1316.62025-09-01 | 12002024-05-01 | 1212.22025-08-01 |
Highest weighted performance | 1418.42025-01-01 | 1418.42025-01-01 | 12002024-05-01 | 12002024-05-01 |
Prediction | ||||
---|---|---|---|---|
Item | Main | Standard | Rapid | Blitz |
Rating change | -0.5 | 0 | 0 | 0 |
New rating | 1393.9 | 1398 | 1200 | 1240.8 |
Analysis | ||||
Rating | 1394.4 | 1398 | 1200 | 1240.8 |
Raw rating | 1383.7 | 1398 | 1200 | 1240.8 |
Weighted rating | 1321.1 | 1325.9 | 1200 | |
Weighted performance | 1394.4 | 1393.5 | 0 | |
K-factor | 32 | 32 | 36 | 36 |
Floor | 926.5 | 925.6 | 700 | 740.8 |
Max/Min rating change allowed | 127.6 | 125.1 | 165.8 | 156.5 |
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 | 1383.7 | 1398 | 1200 | 1240.8 |
New weighted rating | 1328.9 | 1334.6 | 1200 | 1220 |
New weighted performance | 1393.9 | 1393 | 0 | 0 |
Temp new rating | 1393.9 | 1398 | 1200 | 1240.8 |
Temp new rating +/- | -0.5 | 0 | 0 | 0 |
Final new rating +/- | -0.5 | 0 | 0 | 0 |
New rating | 1393.9 | 1398 | 1200 | 1240.8 |
New K-factor | 32 | 32 | 36 | 36 |
New floor | 926.5 | 925.6 | 700 | 740.8 |
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
0 | 0 | 0 | 0 | |
73 | 51 | 11 | 11 | |
25 | 25 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
History | 98 | 76 | 11 | 11 |
Games since | |||||||||||||||||
Main98 | Standard76 | Rapid11 | Blitz11 | ||||||||||||||
Gender | Male | ||||||||||||||||
Age group | U10 | ||||||||||||||||
Region | Tshwane (GTP) | ||||||||||||||||
Province | Gauteng (GT) | ||||||||||||||||
Main | RSA | Province | Region | ||||||||||||||
Overall | 2227 | 780 | 277 | ||||||||||||||
Male | 1830 | 633 | 215 | ||||||||||||||
U10 | 154 | 67 | 25 | ||||||||||||||
U10 Male | 134 | 60 | 21 | ||||||||||||||
Standard | RSA | Province | Region | ||||||||||||||
Overall | 2072 | 776 | 292 | ||||||||||||||
Male | 1696 | 631 | 230 | ||||||||||||||
U10 | 140 | 65 | 22 | ||||||||||||||
U10 Male | 123 | 59 | 19 | ||||||||||||||
Rapid | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U10 | -1 | -1 | -1 | ||||||||||||||
U10 Male | -1 | -1 | -1 | ||||||||||||||
Blitz | RSA | Province | Region | ||||||||||||||
Overall | 380 | 121 | 35 | ||||||||||||||
Male | 353 | 108 | 31 | ||||||||||||||
U10 | 5 | 4 | 3 | ||||||||||||||
U10 Male | 5 | 4 | 3 |
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 | 73 | 34 | 46.58 | -29.1 | 1316.9 | 1287.8 |
Standard | 51 | 27.5 | 53.92 | 33.3 | 1264.7 | 1298.1 |
Rapid | 11 | 3 | 27.27 | -193.2 | 1404.7 | 1211.5 |
Blitz | 11 | 3.5 | 31.82 | -154.5 | 1470.8 | 1316.3 |
History | ||||||
Games | Score | % | Dp | AvgOpp | Performance | |
Main | 98 | 53 | 54.08 | 34.7 | 1288.1 | 1322.8 |
Standard | 76 | 46.5 | 61.18 | 95.1 | 1244.7 | 1339.8 |
Rapid | 11 | 3 | 27.27 | -193.2 | 1404.7 | 1211.5 |
Blitz | 11 | 3.5 | 31.82 | -154.5 | 1470.8 | 1316.3 |
Date | Main | Standard | Rapid | Blitz |
2025-09-30 | 1383.7 | 1398 | 1200 | 1240.8 |
2025-09-01 | 1383.7 | 1398 | 1200 | 1240.8 |
2025-08-01 | 1321.4 | 1328.3 | 1200 | 1240.8 |
2025-07-01 | 1297.8 | 1300 | 1200 | 1240.8 |
2025-06-01 | 1349.8 | 1364.6 | 1199.9 | 1240.8 |
2025-05-01 | 1286.1 | 1288.7 | 1199.7 | 1240.8 |
2025-04-01 | 1322.5 | 1311.9 | 1200 | 1200 |
2025-03-01 | 1404.7 | 1398.8 | 1200 | 1200 |
2025-02-01 | 1404.7 | 1398.8 | 1200 | 1200 |
2025-01-01 | 1426.5 | 1425.6 | 1200 | 1200 |
2024-12-01 | 1318.1 | 1329.2 | 1200 | 1200 |
2024-11-01 | 1318.1 | 1329.2 | 1200 | 1200 |
2024-10-01 | 1318.1 | 1329.2 | 1200 | 1200 |
2024-09-01 | 1273.4 | 1282.8 | 1200 | 1200 |
2024-08-01 | 1230.4 | 1236.4 | 1200 | 1200 |
2024-07-01 | 1214.9 | 1218 | 1200 | 1200 |
2024-06-01 | 1214.9 | 1218 | 1200 | 1200 |
2024-08-01 | 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 |
2023-11-01 | 1200 | 1200 | 1200 | 1200 |
Comming soon.
Tournaments
# | 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 | 2025 Tshwane North District CLOSED Team Championships (D3) (U9) | 2025-08-16 | 2025-08-16 | Standard | Tshwane (GTP) | 5 | 5 | 5 | Yes | Analysis |
2 | 2025 Etienne Lewis Closed Chess Tournament (U10) | 2025-08-08 | 2025-08-10 | Standard | Tshwane (GTP) | 7 | 7 | 3.5 | Yes | Analysis |
3 | 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U9) | 2025-07-26 | 2025-07-26 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
4 | 2025 Jacaranda Round Robin Open Chess Tournament (I) | 2025-06-21 | 2025-06-21 | Standard | Tshwane (GTP) | 5 | 5 | 0 | Yes | Analysis |
5 | 2025 Tshwane North School District CLOSED Individual Chess Championship (U9 Open) | 2025-05-24 | 2025-05-24 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
6 | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U9 Open) | 2025-05-10 | 2025-05-10 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
7 | FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Blitz) | 2025-04-16 | 2025-04-17 | Blitz | Geece (GRE) | 11 | 11 | 3.5 | Yes | Analysis |
8 | FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Rapid) | 2025-04-13 | 2025-04-15 | Rapid | Greece (GRE) | 11 | 11 | 3 | Yes | Analysis |
9 | South African Junior Closed Chess Championships 2025 (U8 Open) | 2025-03-31 | 2025-04-05 | Standard | Cape Winelands (WCW) | 9 | 9 | 3 | Yes | Analysis |
10 | Lubowski Open 2025 (D2) | 2025-03-21 | 2025-03-22 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
11 | 2025 Tshwane Chess OPEN Registration Tournament (U10) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
12 | Gauteng Inter-Region at UJ 2024 (U8 Open) | 2024-12-07 | 2024-12-08 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 5 | Yes | Analysis |
13 | 2024 Etienne Lewis (U8) | 2024-08-31 | 2024-08-31 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
14 | 2024 Alekhine Open Chess Tournament (U8) | 2024-08-09 | 2024-08-09 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
15 | 2024 Tshwane North School District Cluster 4 & 5 Team League (U9) | 2024-07-20 | 2024-07-20 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
16 | District 3 Cluster 4 and 5 Individuals 2024 (U9) | 2024-05-04 | 2024-05-04 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 9 | Tournament2024 Etienne Lewis | Tournament2025 Tshwane Chess OPEN Registration Tournament | ||||||
date2024-08-31 | rnd3 | typeStandard | result1 | date2025-01-25 | rnd1 | typeStandard | result1 | ||
OpponentViljoen, L (Lenicke) | OpponentJansen Van Vuurnen, C (Clana) | ||||||||
2 | 5 | Tournament2025 Tshwane North District CLOSED Team Championships (D3) | Tournament2025 Tshwane North District CLOSED Team Championships (D3) | ||||||
date2025-08-16 | rnd1 | typeStandard | result1 | date2025-08-16 | rnd5 | typeStandard | result1 | ||
OpponentKekana, K (Kamano) | OpponentKruger, R (Reinhardt) | ||||||||
3 | 4 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | ||||||
date2025-04-17 | rnd11 | typeBlitz | result1 | date2025-05-10 | rnd3 | typeStandard | result1 | ||
OpponentStelloh, Alexander | OpponentKrog, R (Ruan) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 9 | Tournament2024 Etienne Lewis | Tournament2025 Tshwane Chess OPEN Registration Tournament | ||||||
date2024-08-31 | rnd3 | typeStandard | result1 | date2025-01-25 | rnd1 | typeStandard | result1 | ||
OpponentViljoen, L (Lenicke) | OpponentJansen Van Vuurnen, C (Clana) | ||||||||
2 | 5 | Tournament2025 Tshwane North District CLOSED Team Championships (D3) | Tournament2025 Tshwane North District CLOSED Team Championships (D3) | ||||||
date2025-08-16 | rnd1 | typeStandard | result1 | date2025-08-16 | rnd5 | typeStandard | result1 | ||
OpponentKekana, K (Kamano) | OpponentKruger, R (Reinhardt) | ||||||||
3 | 3 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Etienne Lewis Closed Chess Tournament | ||||||
date2025-08-09 | rnd3 | typeStandard | result1 | date2025-08-10 | rnd5 | typeStandard | result0.5 | ||
OpponentMaritz, R (Rohan) | OpponentKgwale, K (Keratilwe) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 2 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | ||||||
date2025-04-13 | rnd4 | typeRapid | result1 | date2025-04-14 | rnd5 | typeRapid | result1 | ||
OpponentKampourakis, Vasileios Paisios | OpponentMargies, Odysseas | ||||||||
2 | 1 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | ||||||
date2025-04-15 | rnd9 | typeRapid | result1 | date2025-04-15 | rnd9 | typeRapid | result1 | ||
OpponentErmekov, Khan | OpponentErmekov, Khan |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 2 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | ||||||
date2025-04-16 | rnd6 | typeBlitz | result0.5 | date2025-04-17 | rnd7 | typeBlitz | result1 | ||
OpponentEbersohn, Christiaan | OpponentErmekov, Khan | ||||||||
2 | 1 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | ||||||
date2025-04-17 | rnd11 | typeBlitz | result1 | date2025-04-17 | rnd11 | typeBlitz | result1 | ||
OpponentStelloh, Alexander | OpponentStelloh, Alexander | ||||||||
3 | 1 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | ||||||
date2025-04-16 | rnd4 | typeBlitz | result1 | date2025-04-16 | rnd4 | typeBlitz | result1 | ||
OpponentMargies, Odysseas | OpponentMargies, Odysseas |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 9 | Tournament2024 Etienne Lewis | Tournament2025 Tshwane Chess OPEN Registration Tournament | ||||||
date2024-08-31 | rnd3 | typeStandard | result1 | date2025-01-25 | rnd1 | typeStandard | result1 | ||
OpponentViljoen, L (Lenicke) | OpponentJansen Van Vuurnen, C (Clana) | ||||||||
2 | 5 | Tournament2025 Tshwane North District CLOSED Team Championships (D3) | Tournament2025 Tshwane North District CLOSED Team Championships (D3) | ||||||
date2025-08-16 | rnd1 | typeStandard | result1 | date2025-08-16 | rnd5 | typeStandard | result1 | ||
OpponentKekana, K (Kamano) | OpponentKruger, R (Reinhardt) | ||||||||
3 | 4 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | ||||||
date2025-04-17 | rnd11 | typeBlitz | result1 | date2025-05-10 | rnd3 | typeStandard | result1 | ||
OpponentStelloh, Alexander | OpponentKrog, R (Ruan) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 9 | Tournament2024 Etienne Lewis | Tournament2025 Tshwane Chess OPEN Registration Tournament | ||||||
date2024-08-31 | rnd3 | typeStandard | result1 | date2025-01-25 | rnd1 | typeStandard | result1 | ||
OpponentViljoen, L (Lenicke) | OpponentJansen Van Vuurnen, C (Clana) | ||||||||
2 | 5 | Tournament2025 Tshwane North District CLOSED Team Championships (D3) | Tournament2025 Tshwane North District CLOSED Team Championships (D3) | ||||||
date2025-08-16 | rnd1 | typeStandard | result1 | date2025-08-16 | rnd5 | typeStandard | result1 | ||
OpponentKekana, K (Kamano) | OpponentKruger, R (Reinhardt) | ||||||||
3 | 3 | Tournament2025 Tshwane North School District Cluster 4 & 5 Team League (D3) | Tournament2025 Etienne Lewis Closed Chess Tournament | ||||||
date2025-07-26 | rnd4 | typeStandard | result1 | date2025-08-08 | rnd1 | typeStandard | result1 | ||
OpponentHenning, L (Laubcher) | OpponentBlignaut, A (Alexa) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 2 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | ||||||
date2025-04-13 | rnd4 | typeRapid | result1 | date2025-04-14 | rnd5 | typeRapid | result1 | ||
OpponentKampourakis, Vasileios Paisios | OpponentMargies, Odysseas | ||||||||
2 | 1 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | ||||||
date2025-04-15 | rnd9 | typeRapid | result1 | date2025-04-15 | rnd9 | typeRapid | result1 | ||
OpponentErmekov, Khan | OpponentErmekov, Khan |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 1 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | ||||||
date2025-04-17 | rnd11 | typeBlitz | result1 | date2025-04-17 | rnd11 | typeBlitz | result1 | ||
OpponentStelloh, Alexander | OpponentStelloh, Alexander | ||||||||
2 | 1 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | ||||||
date2025-04-17 | rnd7 | typeBlitz | result1 | date2025-04-17 | rnd7 | typeBlitz | result1 | ||
OpponentErmekov, Khan | OpponentErmekov, Khan | ||||||||
3 | 1 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | TournamentFIDE World Cadet & Youth Rapid & Blitz Championships 2025 | ||||||
date2025-04-16 | rnd4 | typeBlitz | result1 | date2025-04-16 | rnd4 | typeBlitz | result1 | ||
OpponentMargies, Odysseas | OpponentMargies, Odysseas |
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 | Haupt ,D (Dawid) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
1196.4 | 1338.1 | 1194.3 | 1338.1 | 0 | 0 | 0 | 0 | ||||||
2 | Hans ,B (Boitshepo) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1191.7 | 1191.7 | 1189.8 | 1191.7 | 0 | 0 | 0 | 0 | ||||||
3 | Viljoen ,J (Jayden Johan) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1427.4 | 1002.4 | 1429 | 1002.4 | 0 | 0 | 0 | 0 | ||||||
4 | Moloisane ,R (Remothabetse) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1182.1 | 1607.1 | 1180.2 | 1607.1 | 0 | 0 | 0 | 0 | ||||||
5 | Jansen Van Vuuren ,C (Clana) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1141.1 | 1566.1 | 1154.1 | 1566.1 | 0 | 0 | 0 | 0 | ||||||
6 | Olivier ,C (Christiaan) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1372.4 | 947.4 | 1369.8 | 947.4 | 0 | 0 | 0 | 0 | ||||||
7 | Kgwale ,K (Keratilwe) | 2 | 0.5 | -212.5 | 2 | 0.5 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
1317.4 | 1104.9 | 1328.5 | 1104.9 | 0 | 0 | 0 | 0 | ||||||
8 | Krog ,R (Ruan) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1158.9 | 1583.9 | 1171.2 | 1583.9 | 0 | 0 | 0 | 0 | ||||||
9 | Le Roux ,A (Anye) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1254.5 | 1254.5 | 1253.9 | 1254.5 | 0 | 0 | 0 | 0 | ||||||
10 | Du Toit ,U (Ulrike) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1172 | 747 | 1166.6 | 747 | 0 | 0 | 0 | 0 |
Norms
# | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
---|---|---|---|---|---|---|---|---|