PLAYER PAGE
Personal
Botha, AZ (Adriaan Zander)
Chess SA id
1150149223FIDE id
?Date of birth
2015-01-30 (U12)Gender
MaleRegion
West Rand (GWR)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-09-27Personal details last changed
1900-01-01Junior GPX Games
45Junior GPX Points
1419| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1599.5 | 1603.6 | 1200 | 1200 |
| Raw rating | 1599.5 | 1603.6 | 1200 | 1200 |
| Weighted rating | 1582.2 | 1580.1 | 1200 | 1200 |
| Weighted performance | 1583.4 | 1587.5 | 0 | 0 |
| Floor | 1118.3 | 1120.8 | 700 | 700 |
| K-factor | 28 | 28 | 36 | 36 |
| Min/Max rating change allowed | 93.8 | 93.3 | 165.8 | 165.8 |
| Highest rating | 1635.32024-09-01 | 1637.72023-09-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1618.32024-10-01 | 1620.82023-10-01 | 12002024-03-01 | 12002024-03-01 |
| Highest weighted rating | 1618.32025-04-01 | 1620.82025-04-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1635.32024-09-01 | 1637.72023-09-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1599.5 | 1603.6 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1599.5 | 1603.6 | 1200 | 1200 |
| Raw rating | 1599.5 | 1603.6 | 1200 | 1200 |
| Weighted rating | 1582.2 | 1580.1 | 1200 | |
| Weighted performance | 1583.4 | 1587.5 | 0 | |
| K-factor | 28 | 28 | 36 | 36 |
| Floor | 1118.3 | 1120.8 | 700 | 700 |
| Max/Min rating change allowed | 93.8 | 93.3 | 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 | 1599.5 | 1603.6 | 1200 | 1200 |
| New weighted rating | 1584.5 | 1583 | 1200 | 1200 |
| New weighted performance | 1573.9 | 1578.1 | 0 | 0 |
| Temp new rating | 1599.5 | 1603.6 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1599.5 | 1603.6 | 1200 | 1200 |
| New K-factor | 28 | 28 | 36 | 36 |
| New floor | 1118.3 | 1120.8 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 35 | 35 | 0 | 0 | |
| 44 | 44 | 0 | 0 | |
| 45 | 45 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 124 | 124 | 0 | 0 |
| Games since | |||||||||||||||||
| Main79 | Standard79 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U12 | ||||||||||||||||
| Region | West Rand (GWR) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 650 | 240 | 11 | ||||||||||||||
| Male | 584 | 211 | 10 | ||||||||||||||
| U12 | 41 | 18 | 2 | ||||||||||||||
| U12 Male | 33 | 13 | 1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 608 | 234 | 12 | ||||||||||||||
| Male | 550 | 208 | 11 | ||||||||||||||
| U12 | 38 | 17 | 2 | ||||||||||||||
| U12 Male | 31 | 13 | 1 | ||||||||||||||
| 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 | 35 | 28 | 80 | 255 | 1300.4 | 1555.4 |
| Standard | 35 | 28 | 80 | 255 | 1300.4 | 1555.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 124 | 99 | 79.84 | 253.6 | 1288.9 | 1542.5 |
| Standard | 124 | 99 | 79.84 | 253.6 | 1288.9 | 1542.5 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1599.5 | 1603.6 | 1200 | 1200 |
| 2025-09-30 | 1603.7 | 1606.7 | 1200 | 1200 |
| 2025-09-01 | 1602.8 | 1605.8 | 1200 | 1200 |
| 2025-08-01 | 1602.8 | 1605.8 | 1200 | 1200 |
| 2025-07-01 | 1580.5 | 1578.5 | 1200 | 1200 |
| 2025-06-01 | 1580.5 | 1578.5 | 1200 | 1200 |
| 2025-05-01 | 1566.1 | 1560.6 | 1200 | 1200 |
| 2025-04-01 | 1568.6 | 1561.7 | 1200 | 1200 |
| 2025-03-01 | 1568.6 | 1559.4 | 1200 | 1200 |
| 2025-02-01 | 1598.8 | 1594.9 | 1200 | 1200 |
| 2025-01-01 | 1598.8 | 1594.9 | 1200 | 1200 |
| 2024-12-01 | 1598.8 | 1594.9 | 1200 | 1200 |
| 2024-11-01 | 1598.8 | 1594.9 | 1200 | 1200 |
| 2024-10-01 | 1618.3 | 1618.1 | 1200 | 1200 |
| 2024-09-01 | 1610.2 | 1612.5 | 1200 | 1200 |
| 2024-08-01 | 1538.8 | 1537.9 | 1200 | 1200 |
| 2024-07-01 | 1527.2 | 1524.2 | 1200 | 1200 |
| 2024-09-01 | 1513.7 | 1504.9 | 1200 | 1200 |
| 2024-05-01 | 1513.7 | 1504.9 | 1200 | 1200 |
| 2024-04-01 | 1507.4 | 1496.2 | 1200 | 1200 |
| 2024-03-01 | 1507.4 | 1496.2 | 1200 | 1200 |
| 2024-02-01 | 1523.7 | 1513.6 | 1200 | 1200 |
| 2024-01-01 | 1581.1 | 1573.8 | 1200 | 1200 |
| 2023-12-01 | 1581.1 | 1573.8 | 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 Gauteng Top Schools Teams (U11) | 2025-08-29 | 2025-08-29 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 2 | West Rand Closed 2025 (U12) | 2025-10-18 | 2025-10-18 | Standard | West Rand (GWR) | 5 | 0 | 0 | No | Analysis |
| 3 | 2025 Gauteng Schools Provincial Individual Chess Championship (U11 Boys) | 2025-09-27 | 2025-09-27 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 4 | West Rand Trials 2025 (U12) | 2025-09-06 | 2025-09-06 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 5 | 2025 D2 Schools League Finals (U11) | 2025-07-26 | 2025-07-26 | Standard | West Rand (GWR) | 5 | 5 | 5 | Yes | Analysis |
| 6 | 2025 D2 Schools Individuals (U11 Open) | 2025-05-09 | 2025-05-09 | Standard | West Rand (GWR) | 5 | 5 | 5 | Yes | Analysis |
| 7 | FIDE in The West 2025 (U12) | 2025-04-12 | 2025-04-12 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 8 | 2025 West Rand Open (U12) | 2025-02-08 | 2025-02-08 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Gauteng Top Schools Teams (U11) | 2025-08-29 | 2025-08-29 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 2 | West Rand Closed 2025 (U12) | 2025-10-18 | 2025-10-18 | Standard | West Rand (GWR) | 5 | 0 | 0 | No | Analysis |
| 3 | 2025 Gauteng Schools Provincial Individual Chess Championship (U11 Boys) | 2025-09-27 | 2025-09-27 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 4 | West Rand Trials 2025 (U12) | 2025-09-06 | 2025-09-06 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 5 | 2025 D2 Schools League Finals (U11) | 2025-07-26 | 2025-07-26 | Standard | West Rand (GWR) | 5 | 5 | 5 | Yes | Analysis |
| 6 | 2025 D2 Schools Individuals (U11 Open) | 2025-05-09 | 2025-05-09 | Standard | West Rand (GWR) | 5 | 5 | 5 | Yes | Analysis |
| 7 | FIDE in The West 2025 (U12) | 2025-04-12 | 2025-04-12 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 8 | 2025 West Rand Open (U12) | 2025-02-08 | 2025-02-08 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 9 | 2024 West Rand Closed (U10) | 2024-10-12 | 2024-10-12 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 10 | Gauteng Top Schools 2024 (U9 Open) | 2024-10-04 | 2024-10-04 | Standard | Ekurhuleni (GE) | 5 | 5 | 4 | Yes | Analysis |
| 11 | 2024 West Rand Trials (U10) | 2024-09-07 | 2024-09-07 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 12 | 2024 West Rand Rappies Open (U10) | 2024-08-03 | 2024-08-03 | Standard | West Rand (GWR) | 5 | 5 | 5 | Yes | Analysis |
| 13 | D2 School League Finals 2024 (U9) | 2024-07-20 | 2024-07-20 | Standard | West Rand (GWR) | 5 | 5 | 5 | Yes | Analysis |
| 14 | FIDE in the West 2024 (U10) | 2024-06-08 | 2024-06-08 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 15 | 2024 West Rand RHS Open (U10) | 2024-04-13 | 2024-04-13 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 16 | 2024 West Rand Open (U10) | 2024-02-03 | 2024-02-03 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 17 | 2024 Gauteng Inter-Region Chess Championship (U10A) | 2024-01-13 | 2024-01-14 | Standard | Tshwane (GTP) | 5 | 4 | 0.5 | Yes | Analysis |
| 18 | West Rand vs Bojanala Inter-Regional Championships 2023 (U10) | 2023-10-14 | 2023-10-14 | Standard | West Rand (GWR) | 5 | 5 | 2 | Yes | Analysis |
| 19 | 2023 West Rand Trials (U10) | 2023-09-09 | 2023-09-09 | Standard | West Rand (GWR) | 5 | 5 | 5 | Yes | Analysis |
| 20 | West Rand at Bastion 2023 (U10) | 2023-08-05 | 2023-08-05 | Standard | West Rand (GWR) | 5 | 5 | 5 | Yes | Analysis |
| 21 | 2023 Gauteng Top Schools (U9 Mixed) | 2023-08-18 | 2023-08-18 | Standard | West Rand (GWR) | 5 | 5 | 5 | Yes | Analysis |
| 22 | D2 School League Finals 2023 (U9) | 2023-07-22 | 2023-07-22 | Standard | West Rand (GWR) | 7 | 5 | 5 | Yes | Analysis |
| 23 | 2023 West Rand RHS Open (U10) | 2023-06-10 | 2023-06-10 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 24 | D2 Schools Individuals 2023 (U9 Boys+Girls) | 2023-05-13 | 2023-05-13 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 25 | WR Tournament and Coaching 2023 (U10) | 2023-02-25 | 2023-02-25 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 26 | 2023 West Rand Open (U10) | 2023-02-04 | 2023-02-04 | Standard | West Rand (GWR) | 5 | 5 | 3.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 21 | TournamentD2 School League Finals 2023 | TournamentWest Rand vs Bojanala Inter-Regional Championships 2023 | ||||||
| date2023-07-22 | rnd2 | typeStandard | result1 | date2023-10-14 | rnd1 | typeStandard | result1 | ||
| OpponentSteyn, K (Kihan) | OpponentKotsokoane, R (Reotshepile) | ||||||||
| 2 | 13 | TournamentFIDE in the West 2024 | Tournament2024 West Rand Trials | ||||||
| date2024-06-08 | rnd5 | typeStandard | result1 | date2024-09-07 | rnd2 | typeStandard | result1 | ||
| OpponentBritz, W (Wian) | OpponentVis, K (Katlego) | ||||||||
| 3 | 11 | Tournament2025 D2 Schools Individuals | Tournament2025 Gauteng Top Schools Teams | ||||||
| date2025-05-09 | rnd1 | typeStandard | result1 | date2025-08-29 | rnd1 | typeStandard | result1 | ||
| OpponentCalitz, Z (Zian) | OpponentHenning, R (Rudolph) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 21 | TournamentD2 School League Finals 2023 | TournamentWest Rand vs Bojanala Inter-Regional Championships 2023 | ||||||
| date2023-07-22 | rnd2 | typeStandard | result1 | date2023-10-14 | rnd1 | typeStandard | result1 | ||
| OpponentSteyn, K (Kihan) | OpponentKotsokoane, R (Reotshepile) | ||||||||
| 2 | 14 | Tournament2025 D2 Schools Individuals | TournamentWest Rand Trials 2025 | ||||||
| date2025-05-09 | rnd1 | typeStandard | result1 | date2025-09-06 | rnd4 | typeStandard | result1 | ||
| OpponentCalitz, Z (Zian) | OpponentCrous, R (Ruvan) | ||||||||
| 3 | 13 | TournamentFIDE in the West 2024 | Tournament2024 West Rand Trials | ||||||
| date2024-06-08 | rnd5 | typeStandard | result1 | date2024-09-07 | rnd2 | typeStandard | result1 | ||
| OpponentBritz, W (Wian) | OpponentVis, K (Katlego) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 21 | TournamentD2 School League Finals 2023 | TournamentWest Rand vs Bojanala Inter-Regional Championships 2023 | ||||||
| date2023-07-22 | rnd2 | typeStandard | result1 | date2023-10-14 | rnd1 | typeStandard | result1 | ||
| OpponentSteyn, K (Kihan) | OpponentKotsokoane, R (Reotshepile) | ||||||||
| 2 | 14 | Tournament2025 D2 Schools Individuals | TournamentWest Rand Trials 2025 | ||||||
| date2025-05-09 | rnd1 | typeStandard | result1 | date2025-09-06 | rnd4 | typeStandard | result1 | ||
| OpponentCalitz, Z (Zian) | OpponentCrous, R (Ruvan) | ||||||||
| 3 | 13 | TournamentFIDE in the West 2024 | Tournament2024 West Rand Trials | ||||||
| date2024-06-08 | rnd5 | typeStandard | result1 | date2024-09-07 | rnd2 | typeStandard | result1 | ||
| OpponentBritz, W (Wian) | OpponentVis, K (Katlego) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 21 | TournamentD2 School League Finals 2023 | TournamentWest Rand vs Bojanala Inter-Regional Championships 2023 | ||||||
| date2023-07-22 | rnd2 | typeStandard | result1 | date2023-10-14 | rnd1 | typeStandard | result1 | ||
| OpponentSteyn, K (Kihan) | OpponentKotsokoane, R (Reotshepile) | ||||||||
| 2 | 14 | Tournament2025 D2 Schools Individuals | TournamentWest Rand Trials 2025 | ||||||
| date2025-05-09 | rnd1 | typeStandard | result1 | date2025-09-06 | rnd4 | typeStandard | result1 | ||
| OpponentCalitz, Z (Zian) | OpponentCrous, R (Ruvan) | ||||||||
| 3 | 13 | TournamentFIDE in the West 2024 | Tournament2024 West Rand Trials | ||||||
| date2024-06-08 | rnd5 | typeStandard | result1 | date2024-09-07 | rnd2 | typeStandard | result1 | ||
| OpponentBritz, W (Wian) | OpponentVis, K (Katlego) | ||||||||
| # | 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 | Miya ,K (Kwandokuhle) | 6 | 4 | 141.7 | 6 | 4 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1413.8 | 1555.5 | 1410.7 | 1555.5 | 0 | 0 | 0 | 0 | ||||||
| 2 | Ninham ,G (Grant) | 6 | 6 | 425 | 6 | 6 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1239.5 | 1664.5 | 1238.6 | 1664.5 | 0 | 0 | 0 | 0 | ||||||
| 3 | Vis ,K (Katlego) | 5 | 4 | 255 | 5 | 4 | 255 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1304.1 | 1559.1 | 1307.3 | 1559.1 | 0 | 0 | 0 | 0 | ||||||
| 4 | Kamffer ,J (John-Andrew) | 5 | 4 | 255 | 5 | 4 | 255 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1232.1 | 1487.1 | 1225.7 | 1487.1 | 0 | 0 | 0 | 0 | ||||||
| 5 | Britz ,W (Wian) | 4 | 4 | 425 | 4 | 4 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1283.5 | 1708.5 | 1281.7 | 1708.5 | 0 | 0 | 0 | 0 | ||||||
| 6 | Van Wyk ,N (Nihann) | 4 | 3.5 | 318.8 | 4 | 3.5 | 318.8 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1209.5 | 1528.3 | 1209.7 | 1528.3 | 0 | 0 | 0 | 0 | ||||||
| 7 | Schutte ,CB (Christiaan Benjamin) | 4 | 2 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1396.1 | 1396.1 | 1405.9 | 1396.1 | 0 | 0 | 0 | 0 | ||||||
| 8 | Crous ,R (Ruvan) | 3 | 3 | 425 | 3 | 3 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1282.3 | 1707.3 | 1282.4 | 1707.3 | 0 | 0 | 0 | 0 | ||||||
| 9 | Van Der Merwe ,J (Jayden) | 3 | 3 | 425 | 3 | 3 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1306.9 | 1731.9 | 1305.4 | 1731.9 | 0 | 0 | 0 | 0 | ||||||
| 10 | Erasmus ,S (Sonja) | 3 | 3 | 425 | 3 | 3 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1282.4 | 1707.4 | 1287 | 1707.4 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|