PLAYER PAGE
Personal
Zidona, S (Sabrina)
Chess SA id
2080320595FIDE id
?Date of birth
2008-11-19 (U20)Gender
FemaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-30Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1280.6 | 1293.6 | 1200 | 1200 |
| Raw rating | 1280.6 | 1293.6 | 1200 | 1200 |
| Weighted rating | 1241.4 | 1248.8 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 788.4 | 805.2 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 147.8 | 145.1 | 165.8 | 165.8 |
| Highest rating | 1288.42025-08-01 | 1305.22025-08-01 | 12002025-06-01 | 12002025-06-01 |
| Highest raw rating | 1288.42025-08-01 | 1305.22025-08-01 | 12002025-06-01 | 12002025-06-01 |
| Highest weighted rating | 1231.62025-11-01 | 1237.62025-11-01 | 12002025-06-01 | 12002025-06-01 |
| Highest weighted performance | 01900-01-01 | 01900-01-01 | 01900-01-01 | 01900-01-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1280.6 | 1293.6 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1280.6 | 1293.6 | 1200 | 1200 |
| Raw rating | 1280.6 | 1293.6 | 1200 | 1200 |
| Weighted rating | 1241.4 | 1248.8 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 788.4 | 805.2 | 700 | 700 |
| Max/Min rating change allowed | 147.8 | 145.1 | 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 | 1280.6 | 1293.6 | 1200 | 1200 |
| New weighted rating | 1245.8 | 1253.9 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1280.6 | 1293.6 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1280.6 | 1293.6 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 788.4 | 805.2 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 16 | 16 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 16 | 16 | 0 | 0 |
| Games since | |||||||||||||||||
| Main16 | Standard16 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Female | -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 | 16 | 10 | 62.5 | 106.2 | 1260.2 | 1366.4 |
| Standard | 16 | 10 | 62.5 | 106.2 | 1260.2 | 1366.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 16 | 10 | 62.5 | 106.2 | 1260.2 | 1366.4 |
| Standard | 16 | 10 | 62.5 | 106.2 | 1260.2 | 1366.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2026-01-01 | 1280.6 | 1293.6 | 1200 | 1200 |
| 2025-11-30 | 1280.6 | 1293.6 | 1200 | 1200 |
| 2025-11-01 | 1280.6 | 1293.6 | 1200 | 1200 |
| 2025-09-30 | 1288.4 | 1305.2 | 1200 | 1200 |
| 2025-09-01 | 1288.4 | 1305.2 | 1200 | 1200 |
| 2025-08-01 | 1288.4 | 1305.2 | 1200 | 1200 |
| 2025-07-01 | 1244.1 | 1253.3 | 1200 | 1200 |
| 2025-06-01 | 1244.1 | 1253.3 | 1200 | 1200 |
| 2025-05-01 | 1200 | 1200 | 1200 | 1200 |
| 2025-04-01 | 1200 | 1200 | 1200 | 1200 |
| 2025-03-01 | 1200 | 1200 | 1200 | 1200 |
| 2025-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2025-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-12-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-11-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-10-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-09-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-11-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-07-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-06-01 | 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 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | 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 Gauteng Top Schools Teams (U19 Girls) | 2025-08-30 | 2025-08-30 | Standard | Tshwane (GTP) | 5 | 4 | 2 | Yes | Analysis |
| 2 | 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U19 Girls) | 2025-07-26 | 2025-07-26 | Standard | Tshwane (GTP) | 3 | 3 | 3 | Yes | Analysis |
| 3 | 2025 Tshwane North School District CLOSED Individual Chess Championship (U18 Girls) | 2025-05-24 | 2025-05-24 | Standard | Tshwane (GTP) | 5 | 4 | 2 | Yes | Analysis |
| 4 | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U18 Girls) | 2025-05-10 | 2025-05-10 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | Tournament2025 Tshwane North School District Cluster 4 & 5 Team League (D3) | ||||||
| date2025-05-24 | rnd4 | typeStandard | result1 | date2025-07-26 | rnd3 | typeStandard | result1 | ||
| OpponentShongwe, R (Refentse) | OpponentMochoele, K (Khanyisa Modikwe) | ||||||||
| 2 | 2 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | ||||||
| date2025-05-10 | rnd1 | typeStandard | result1 | date2025-05-10 | rnd2 | typeStandard | result1 | ||
| OpponentDreyer, A (Ané) | OpponentMoabi, O (Olerato) | ||||||||
| 3 | 1 | Tournament2025 Gauteng Top Schools Teams | Tournament2025 Gauteng Top Schools Teams | ||||||
| date2025-08-30 | rnd4 | typeStandard | result1 | date2025-08-30 | rnd4 | typeStandard | result1 | ||
| OpponentMabuya, L (Lwandle) | OpponentMabuya, L (Lwandle) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | Tournament2025 Tshwane North School District Cluster 4 & 5 Team League (D3) | ||||||
| date2025-05-24 | rnd4 | typeStandard | result1 | date2025-07-26 | rnd3 | typeStandard | result1 | ||
| OpponentShongwe, R (Refentse) | OpponentMochoele, K (Khanyisa Modikwe) | ||||||||
| 2 | 2 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | ||||||
| date2025-05-10 | rnd1 | typeStandard | result1 | date2025-05-10 | rnd2 | typeStandard | result1 | ||
| OpponentDreyer, A (Ané) | OpponentMoabi, O (Olerato) | ||||||||
| 3 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | ||||||
| date2025-05-10 | rnd5 | typeStandard | result1 | date2025-05-10 | rnd5 | typeStandard | result1 | ||
| OpponentGwenzi, A (Ashley) | OpponentGwenzi, A (Ashley) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | Tournament2025 Tshwane North School District Cluster 4 & 5 Team League (D3) | ||||||
| date2025-05-24 | rnd4 | typeStandard | result1 | date2025-07-26 | rnd3 | typeStandard | result1 | ||
| OpponentShongwe, R (Refentse) | OpponentMochoele, K (Khanyisa Modikwe) | ||||||||
| 2 | 2 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | ||||||
| date2025-05-10 | rnd1 | typeStandard | result1 | date2025-05-10 | rnd2 | typeStandard | result1 | ||
| OpponentDreyer, A (Ané) | OpponentMoabi, O (Olerato) | ||||||||
| 3 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | ||||||
| date2025-05-10 | rnd5 | typeStandard | result1 | date2025-05-10 | rnd5 | typeStandard | result1 | ||
| OpponentGwenzi, A (Ashley) | OpponentGwenzi, A (Ashley) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | Tournament2025 Tshwane North School District Cluster 4 & 5 Team League (D3) | ||||||
| date2025-05-24 | rnd4 | typeStandard | result1 | date2025-07-26 | rnd3 | typeStandard | result1 | ||
| OpponentShongwe, R (Refentse) | OpponentMochoele, K (Khanyisa Modikwe) | ||||||||
| 2 | 2 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | ||||||
| date2025-05-10 | rnd1 | typeStandard | result1 | date2025-05-10 | rnd2 | typeStandard | result1 | ||
| OpponentDreyer, A (Ané) | OpponentMoabi, O (Olerato) | ||||||||
| 3 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | ||||||
| date2025-05-10 | rnd5 | typeStandard | result1 | date2025-05-10 | rnd5 | typeStandard | result1 | ||
| OpponentGwenzi, A (Ashley) | OpponentGwenzi, A (Ashley) | ||||||||
| # | 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 | Moabi ,O (Olerato) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1335 | 1335 | 1335.2 | 1335 | 0 | 0 | 0 | 0 | ||||||
| 2 | Mogodiri ,I (Ipeleng) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1193.2 | 1618.2 | 1200 | 1618.2 | 0 | 0 | 0 | 0 | ||||||
| 3 | Govender ,T (Talia) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1478.6 | 1053.6 | 1454.6 | 1053.6 | 0 | 0 | 0 | 0 | ||||||
| 4 | Grahan ,C (Chie-Ann) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1337.8 | 912.8 | 1336.5 | 912.8 | 0 | 0 | 0 | 0 | ||||||
| 5 | Van Schalkwyk ,K (Kaylin) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1283 | 1708 | 1274.1 | 1708 | 0 | 0 | 0 | 0 | ||||||
| 6 | Tivane ,VL (Violet Lebo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1331.4 | 906.4 | 1344 | 906.4 | 0 | 0 | 0 | 0 | ||||||
| 7 | Mochoele ,K (Khanyisa Modikwe) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1199.2 | 1624.2 | 1199 | 1624.2 | 0 | 0 | 0 | 0 | ||||||
| 8 | Dreyer ,A (Ané) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200.3 | 1625.3 | 1200 | 1625.3 | 0 | 0 | 0 | 0 | ||||||
| 9 | Mabuya ,L (Lwandle) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1127 | 1552 | 1160.6 | 1552 | 0 | 0 | 0 | 0 | ||||||
| 10 | Shongwe ,R (Refentse) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1184.3 | 1609.3 | 1180.4 | 1609.3 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|