PLAYER PAGE
Personal
Erasmus, K (Kobus)
Chess SA id
1160314544FIDE id
?Date of birth
2016-08-28 (U10)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
YesLast active game
2025-08-29Personal details last changed
1900-01-01Junior GPX Games
30Junior GPX Points
1384.8| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1374 | 1377.2 | 1200 | 1200 |
| Raw rating | 1342.6 | 1363.7 | 1200 | 1200 |
| Weighted rating | 1257.6 | 1265.8 | 1200 | 1200 |
| Weighted performance | 1374 | 1377.2 | 0 | 0 |
| Floor | 842.6 | 863.7 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 135.3 | 131.3 | 165.8 | 165.8 |
| Highest rating | 1377.52025-09-01 | 13802025-09-01 | 12002025-03-01 | 12002025-03-01 |
| Highest raw rating | 1342.62025-11-01 | 1363.72025-11-01 | 12002025-03-01 | 12002025-03-01 |
| Highest weighted rating | 1257.62025-11-01 | 1265.82025-11-01 | 12002025-03-01 | 12002025-03-01 |
| Highest weighted performance | 1377.52025-09-01 | 13802025-09-01 | 01900-01-01 | 01900-01-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -8.3 | -8.3 | 0 | 0 |
| New rating | 1365.7 | 1368.9 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1374 | 1377.2 | 1200 | 1200 |
| Raw rating | 1342.6 | 1363.7 | 1200 | 1200 |
| Weighted rating | 1257.6 | 1265.8 | 1200 | |
| Weighted performance | 1374 | 1377.2 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 842.6 | 863.7 | 700 | 700 |
| Max/Min rating change allowed | 135.3 | 131.3 | 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 | 1342.6 | 1363.7 | 1200 | 1200 |
| New weighted rating | 1266.2 | 1275.8 | 1200 | 1200 |
| New weighted performance | 1365.7 | 1368.9 | 0 | 0 |
| Temp new rating | 1365.7 | 1368.9 | 1200 | 1200 |
| Temp new rating +/- | -8.3 | -8.3 | 0 | 0 |
| Final new rating +/- | -8.3 | -8.3 | 0 | 0 |
| New rating | 1365.7 | 1368.9 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 842.6 | 863.7 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 30 | 30 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 30 | 30 | 0 | 0 |
| Games since | |||||||||||||||||
| Main30 | Standard30 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U10 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U10 | -1 | -1 | -1 | ||||||||||||||
| U10 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 2341 | 872 | 334 | ||||||||||||||
| Male | 1890 | 702 | 262 | ||||||||||||||
| U10 | 170 | 82 | 37 | ||||||||||||||
| U10 Male | 142 | 73 | 32 | ||||||||||||||
| 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 | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U10 | -1 | -1 | -1 | ||||||||||||||
| U10 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 | 30 | 19 | 63.33 | 113.3 | 1280.9 | 1394.2 |
| Standard | 30 | 19 | 63.33 | 113.3 | 1280.9 | 1394.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 30 | 19 | 63.33 | 113.3 | 1280.9 | 1394.2 |
| Standard | 30 | 19 | 63.33 | 113.3 | 1280.9 | 1394.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1342.6 | 1363.7 | 1200 | 1200 |
| 2025-09-30 | 1331.9 | 1350.1 | 1200 | 1200 |
| 2025-09-01 | 1331.9 | 1350.1 | 1200 | 1200 |
| 2025-08-01 | 1318.6 | 1337.8 | 1200 | 1200 |
| 2025-07-01 | 1257.8 | 1265.2 | 1200 | 1200 |
| 2025-06-01 | 1257.8 | 1265.2 | 1200 | 1200 |
| 2025-05-01 | 1262.2 | 1271.1 | 1200 | 1200 |
| 2025-04-01 | 1262.2 | 1271.1 | 1200 | 1200 |
| 2025-03-01 | 1262.2 | 1271.1 | 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 |
| 2024-08-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-07-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-09-01 | 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 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-12-01 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Gauteng Top Schools Teams (U9) | 2025-08-29 | 2025-08-29 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 2 | 2025 Tshwane North District CLOSED Team Championships (D3) (U9) | 2025-08-16 | 2025-08-16 | Standard | Tshwane (GTP) | 5 | 5 | 3 | 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 | 4.5 | Yes | Analysis |
| 4 | 2025 Silver Lakes Chess Club Open Chess Tournament (U10) | 2025-05-03 | 2025-05-03 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 5 | 2025 KSNG Open (U10) | 2025-02-22 | 2025-02-22 | Standard | Tshwane (GTP) | 5 | 5 | 3.5 | Yes | Analysis |
| 6 | 2025 Piet Robbertse Fide Rated Open Chess Tournament (E) | 2025-02-01 | 2025-02-01 | 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 Gauteng Top Schools Teams (U9) | 2025-08-29 | 2025-08-29 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 2 | 2025 Tshwane North District CLOSED Team Championships (D3) (U9) | 2025-08-16 | 2025-08-16 | Standard | Tshwane (GTP) | 5 | 5 | 3 | 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 | 4.5 | Yes | Analysis |
| 4 | 2025 Silver Lakes Chess Club Open Chess Tournament (U10) | 2025-05-03 | 2025-05-03 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 5 | 2025 KSNG Open (U10) | 2025-02-22 | 2025-02-22 | Standard | Tshwane (GTP) | 5 | 5 | 3.5 | Yes | Analysis |
| 6 | 2025 Piet Robbertse Fide Rated Open Chess Tournament (E) | 2025-02-01 | 2025-02-01 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Tournament2025 Tshwane North School District Cluster 4 & 5 Team League (D3) | Tournament2025 Tshwane North District CLOSED Team Championships (D3) | ||||||
| date2025-07-26 | rnd1 | typeStandard | result1 | date2025-08-16 | rnd2 | typeStandard | result1 | ||
| OpponentDu Preez, W (Wianro Janko) | OpponentDu Plessis, R (Reghardt) | ||||||||
| 2 | 4 | Tournament2025 KSNG Open | Tournament2025 KSNG Open | ||||||
| date2025-02-22 | rnd2 | typeStandard | result0.5 | date2025-02-22 | rnd5 | typeStandard | result1 | ||
| OpponentBosch Dippenaar, B (Benjamin) | OpponentSwanepoel, M (Marnu) | ||||||||
| 3 | 3 | Tournament2025 Piet Robbertse Fide Rated Open Chess Tournament | Tournament2025 Piet Robbertse Fide Rated Open Chess Tournament | ||||||
| date2025-02-01 | rnd2 | typeStandard | result1 | date2025-02-01 | rnd4 | typeStandard | result1 | ||
| OpponentMaritz, R (Rohan) | OpponentWait, E (Eben) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Tournament2025 Tshwane North School District Cluster 4 & 5 Team League (D3) | Tournament2025 Tshwane North District CLOSED Team Championships (D3) | ||||||
| date2025-07-26 | rnd1 | typeStandard | result1 | date2025-08-16 | rnd2 | typeStandard | result1 | ||
| OpponentDu Preez, W (Wianro Janko) | OpponentDu Plessis, R (Reghardt) | ||||||||
| 2 | 4 | Tournament2025 KSNG Open | Tournament2025 KSNG Open | ||||||
| date2025-02-22 | rnd2 | typeStandard | result0.5 | date2025-02-22 | rnd5 | typeStandard | result1 | ||
| OpponentBosch Dippenaar, B (Benjamin) | OpponentSwanepoel, M (Marnu) | ||||||||
| 3 | 3 | Tournament2025 Piet Robbertse Fide Rated Open Chess Tournament | Tournament2025 Piet Robbertse Fide Rated Open Chess Tournament | ||||||
| date2025-02-01 | rnd2 | typeStandard | result1 | date2025-02-01 | rnd4 | typeStandard | result1 | ||
| OpponentMaritz, R (Rohan) | OpponentWait, E (Eben) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Tournament2025 Tshwane North School District Cluster 4 & 5 Team League (D3) | Tournament2025 Tshwane North District CLOSED Team Championships (D3) | ||||||
| date2025-07-26 | rnd4 | typeStandard | result1 | date2025-08-16 | rnd2 | typeStandard | result1 | ||
| OpponentPrinsloo, L (Luan) | OpponentDu Plessis, R (Reghardt) | ||||||||
| 2 | 3 | Tournament2025 KSNG Open | Tournament2025 KSNG Open | ||||||
| date2025-02-22 | rnd3 | typeStandard | result1 | date2025-02-22 | rnd5 | typeStandard | result1 | ||
| OpponentHenning, M (Matthew) | OpponentSwanepoel, M (Marnu) | ||||||||
| 3 | 3 | Tournament2025 Piet Robbertse Fide Rated Open Chess Tournament | Tournament2025 Piet Robbertse Fide Rated Open Chess Tournament | ||||||
| date2025-02-01 | rnd2 | typeStandard | result1 | date2025-02-01 | rnd4 | typeStandard | result1 | ||
| OpponentMaritz, R (Rohan) | OpponentWait, E (Eben) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Tournament2025 Tshwane North School District Cluster 4 & 5 Team League (D3) | Tournament2025 Tshwane North District CLOSED Team Championships (D3) | ||||||
| date2025-07-26 | rnd4 | typeStandard | result1 | date2025-08-16 | rnd2 | typeStandard | result1 | ||
| OpponentPrinsloo, L (Luan) | OpponentDu Plessis, R (Reghardt) | ||||||||
| 2 | 3 | Tournament2025 KSNG Open | Tournament2025 KSNG Open | ||||||
| date2025-02-22 | rnd3 | typeStandard | result1 | date2025-02-22 | rnd5 | typeStandard | result1 | ||
| OpponentHenning, M (Matthew) | OpponentSwanepoel, M (Marnu) | ||||||||
| 3 | 3 | Tournament2025 Piet Robbertse Fide Rated Open Chess Tournament | Tournament2025 Piet Robbertse Fide Rated Open Chess Tournament | ||||||
| date2025-02-01 | rnd2 | typeStandard | result1 | date2025-02-01 | rnd4 | typeStandard | result1 | ||
| OpponentMaritz, R (Rohan) | OpponentWait, E (Eben) | ||||||||
| # | 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 | Viljoen ,J (Jayden Johan) | 3 | 0.5 | -283.3 | 3 | 0.5 | -283.3 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1546.6 | 1263.3 | 1550.6 | 1263.3 | 0 | 0 | 0 | 0 | ||||||
| 2 | Bosch Dippenaar ,B (Benjamin) | 2 | 0.5 | -212.5 | 2 | 0.5 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1161.6 | 949.1 | 1156.7 | 949.1 | 0 | 0 | 0 | 0 | ||||||
| 3 | Mendonca ,M (Mark) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1383.3 | 958.3 | 1379.7 | 958.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Maritz ,R (Rohan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1193 | 1618 | 1191.4 | 1618 | 0 | 0 | 0 | 0 | ||||||
| 5 | Wei ,Y (Yuande) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1198.7 | 1623.7 | 1202.7 | 1623.7 | 0 | 0 | 0 | 0 | ||||||
| 6 | Sithole ,A (Atlegang) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 7 | Wait ,E (Eben) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1215.6 | 1640.6 | 1218.8 | 1640.6 | 0 | 0 | 0 | 0 | ||||||
| 8 | Karapanagiotidis ,A (Alexi) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 9 | Swanepoel ,M (Marnu) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1369.6 | 1794.6 | 1368.6 | 1794.6 | 0 | 0 | 0 | 0 | ||||||
| 10 | Henning ,M (Matthew) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1199.9 | 1624.9 | 1199.8 | 1624.9 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|