PLAYER PAGE
Personal
Du Preez, Z (Zayden)
Chess SA id
1140161275FIDE id
?Date of birth
2014-08-11 (U12)Gender
MaleRegion
Ekurhuleni (GE)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-29Personal details last changed
1900-01-01Junior GPX Games
14Junior GPX Points
1185.4| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1203.3 | 1203.5 | 1200 | 1200 |
| Raw rating | 1175.2 | 1166.3 | 1200 | 1200 |
| Weighted rating | 1203.3 | 1203.5 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 750.5 | 760.6 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 171.8 | 174 | 165.8 | 165.8 |
| Highest rating | 1250.52025-09-01 | 1260.62025-09-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1250.52025-09-01 | 1260.62025-09-01 | 12002024-03-01 | 12002024-03-01 |
| Highest weighted rating | 1219.82018-10-01 | 12242018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002019-12-01 | 12002019-12-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -1.8 | -2.4 | 0 | 0 |
| New rating | 1201.6 | 1201.1 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1203.3 | 1203.5 | 1200 | 1200 |
| Raw rating | 1175.2 | 1166.3 | 1200 | 1200 |
| Weighted rating | 1203.3 | 1203.5 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 750.5 | 760.6 | 700 | 700 |
| Max/Min rating change allowed | 171.8 | 174 | 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 | 1175.2 | 1166.3 | 1200 | 1200 |
| New weighted rating | 1201.6 | 1201.1 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1201.6 | 1201.1 | 1200 | 1200 |
| Temp new rating +/- | -1.8 | -2.4 | 0 | 0 |
| Final new rating +/- | -1.8 | -2.4 | 0 | 0 |
| New rating | 1201.6 | 1201.1 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 750.5 | 760.6 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 14 | 14 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 19 | 19 | 0 | 0 |
| Games since | |||||||||||||||||
| Main14 | Standard14 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U12 | ||||||||||||||||
| Region | Ekurhuleni (GE) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -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 | 14 | 6.5 | 46.43 | -30.4 | 1216.2 | 1185.8 |
| Standard | 14 | 6.5 | 46.43 | -30.4 | 1216.2 | 1185.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 19 | 8.5 | 44.74 | -44.7 | 1216 | 1171.3 |
| Standard | 19 | 8.5 | 44.74 | -44.7 | 1216 | 1171.3 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1175.2 | 1166.3 | 1200 | 1200 |
| 2025-09-30 | 1250.5 | 1260.6 | 1200 | 1200 |
| 2025-09-01 | 1250.5 | 1260.6 | 1200 | 1200 |
| 2025-08-01 | 1219.8 | 1224 | 1200 | 1200 |
| 2025-07-01 | 1219.8 | 1224 | 1200 | 1200 |
| 2025-06-01 | 1219.8 | 1224 | 1200 | 1200 |
| 2025-05-01 | 1189.5 | 1187 | 1200 | 1200 |
| 2025-04-01 | 1189.5 | 1187 | 1200 | 1200 |
| 2025-03-01 | 1189.5 | 1187 | 1200 | 1200 |
| 2025-02-01 | 1189.5 | 1187 | 1200 | 1200 |
| 2025-01-01 | 1188.9 | 1186.3 | 1200 | 1200 |
| 2024-12-01 | 1188.9 | 1186.3 | 1200 | 1200 |
| 2024-11-01 | 1188.9 | 1186.3 | 1200 | 1200 |
| 2024-10-01 | 1188.9 | 1186.3 | 1200 | 1200 |
| 2024-09-01 | 1188.9 | 1186.3 | 1200 | 1200 |
| 2024-08-01 | 1188.9 | 1186.3 | 1200 | 1200 |
| 2024-07-01 | 1188.9 | 1186.3 | 1200 | 1200 |
| 2024-09-01 | 1188.9 | 1186.3 | 1200 | 1200 |
| 2024-05-01 | 1188.9 | 1186.3 | 1200 | 1200 |
| 2024-04-01 | 1188.9 | 1186.3 | 1200 | 1200 |
| 2024-03-01 | 1188.9 | 1186.3 | 1200 | 1200 |
| 2024-02-01 | 1188.9 | 1186.3 | 1200 | 1200 |
| 2024-01-01 | 1188.9 | 1186.3 | 1200 | 1200 |
| 2023-12-01 | 1188.9 | 1186.3 | 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 | 0 | Yes | Analysis |
| 2 | D5 Teams 2025 (U11) | 2025-08-16 | 2025-08-16 | Standard | Ekurhuleni (GE) | 5 | 4 | 3 | Yes | Analysis |
| 3 | D5 Anker 2025 (U11 Boys) | 2025-05-17 | 2025-05-17 | Standard | Ekurhuleni (GE) | 5 | 5 | 3.5 | 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 | 0 | Yes | Analysis |
| 2 | D5 Teams 2025 (U11) | 2025-08-16 | 2025-08-16 | Standard | Ekurhuleni (GE) | 5 | 4 | 3 | Yes | Analysis |
| 3 | D5 Anker 2025 (U11 Boys) | 2025-05-17 | 2025-05-17 | Standard | Ekurhuleni (GE) | 5 | 5 | 3.5 | Yes | Analysis |
| 4 | 2023 Gauteng Top Schools (U9 Mixed) | 2023-08-18 | 2023-08-18 | Standard | West Rand (GWR) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentD5 Anker 2025 | TournamentD5 Anker 2025 | ||||||
| date2025-05-17 | rnd2 | typeStandard | result1 | date2025-05-17 | rnd5 | typeStandard | result1 | ||
| OpponentSchutte, W (Wian) | OpponentBotes, L (Luan) | ||||||||
| 2 | 3 | TournamentD5 Teams 2025 | TournamentD5 Teams 2025 | ||||||
| date2025-08-16 | rnd2 | typeStandard | result1 | date2025-08-16 | rnd4 | typeStandard | result1 | ||
| OpponentSteenkamp, N (Nadia) | OpponentSnyman, Z (Zane) | ||||||||
| 3 | 2 | Tournament2023 Gauteng Top Schools | Tournament2023 Gauteng Top Schools | ||||||
| date2023-08-18 | rnd2 | typeStandard | result1 | date2023-08-18 | rnd3 | typeStandard | result1 | ||
| OpponentHarrison, T (Tairon Lee) | OpponentDe Jager, C (Christo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentD5 Anker 2025 | TournamentD5 Anker 2025 | ||||||
| date2025-05-17 | rnd2 | typeStandard | result1 | date2025-05-17 | rnd5 | typeStandard | result1 | ||
| OpponentSchutte, W (Wian) | OpponentBotes, L (Luan) | ||||||||
| 2 | 3 | TournamentD5 Teams 2025 | TournamentD5 Teams 2025 | ||||||
| date2025-08-16 | rnd2 | typeStandard | result1 | date2025-08-16 | rnd4 | typeStandard | result1 | ||
| OpponentSteenkamp, N (Nadia) | OpponentSnyman, Z (Zane) | ||||||||
| 3 | 2 | Tournament2023 Gauteng Top Schools | Tournament2023 Gauteng Top Schools | ||||||
| date2023-08-18 | rnd2 | typeStandard | result1 | date2023-08-18 | rnd3 | typeStandard | result1 | ||
| OpponentHarrison, T (Tairon Lee) | OpponentDe Jager, C (Christo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentD5 Teams 2025 | TournamentD5 Teams 2025 | ||||||
| date2025-08-16 | rnd2 | typeStandard | result1 | date2025-08-16 | rnd4 | typeStandard | result1 | ||
| OpponentSteenkamp, N (Nadia) | OpponentSnyman, Z (Zane) | ||||||||
| 2 | 2 | TournamentD5 Anker 2025 | TournamentD5 Anker 2025 | ||||||
| date2025-05-17 | rnd4 | typeStandard | result1 | date2025-05-17 | rnd5 | typeStandard | result1 | ||
| OpponentSnyman, Z (Zane) | OpponentBotes, L (Luan) | ||||||||
| 3 | 2 | Tournament2023 Gauteng Top Schools | Tournament2023 Gauteng Top Schools | ||||||
| date2023-08-18 | rnd2 | typeStandard | result1 | date2023-08-18 | rnd3 | typeStandard | result1 | ||
| OpponentHarrison, T (Tairon Lee) | OpponentDe Jager, C (Christo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentD5 Teams 2025 | TournamentD5 Teams 2025 | ||||||
| date2025-08-16 | rnd2 | typeStandard | result1 | date2025-08-16 | rnd4 | typeStandard | result1 | ||
| OpponentSteenkamp, N (Nadia) | OpponentSnyman, Z (Zane) | ||||||||
| 2 | 2 | TournamentD5 Anker 2025 | TournamentD5 Anker 2025 | ||||||
| date2025-05-17 | rnd4 | typeStandard | result1 | date2025-05-17 | rnd5 | typeStandard | result1 | ||
| OpponentSnyman, Z (Zane) | OpponentBotes, L (Luan) | ||||||||
| 3 | 2 | Tournament2023 Gauteng Top Schools | Tournament2023 Gauteng Top Schools | ||||||
| date2023-08-18 | rnd2 | typeStandard | result1 | date2023-08-18 | rnd3 | typeStandard | result1 | ||
| OpponentHarrison, T (Tairon Lee) | OpponentDe Jager, C (Christo) | ||||||||
| # | 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 | Snyman ,Z (Zane) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200.5 | 1625.5 | 1200.6 | 1625.5 | 0 | 0 | 0 | 0 | ||||||
| 2 | Barnes ,D (Derek) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1219.8 | 794.8 | 1222.1 | 794.8 | 0 | 0 | 0 | 0 | ||||||
| 3 | Madonsela ,S (Siphesihle) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 4 | Hex ,N (Nathan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1252.7 | 827.7 | 1234.5 | 827.7 | 0 | 0 | 0 | 0 | ||||||
| 5 | Kotsi ,M (Molemo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1227.8 | 802.8 | 1200 | 802.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Fritz ,T (Tayron) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1225.1 | 800.1 | 1233.1 | 800.1 | 0 | 0 | 0 | 0 | ||||||
| 7 | Schutte ,W (Wian) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1195.4 | 1620.4 | 1194.4 | 1620.4 | 0 | 0 | 0 | 0 | ||||||
| 8 | de Nazare ,G (Giovanni) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1215.2 | 790.2 | 1218.3 | 790.2 | 0 | 0 | 0 | 0 | ||||||
| 9 | Dithebe ,K (Katleho) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1222.9 | 797.9 | 1226.9 | 797.9 | 0 | 0 | 0 | 0 | ||||||
| 10 | Cooper ,Z (Zian) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|