PLAYER PAGE
Jacobus Erasmus
1160303473Tshwane (GTP)Personal
Main rating
| Rating | 1284.3 |
| K-factor | 32 |
| Floor | 948.5 |
| Highest | 1448.5 (2025-06-01) |
| Min/Max +/- allowed | 116 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1227.3 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1284.3 |
| K-factor | 32 |
| Floor | 948.5 |
| Highest | 1448.5 (2025-06-01) |
| Min/Max +/- allowed | 116.4 |
Standard rating
| Rating | 1274 |
| K-factor | 32 |
| Floor | 949.6 |
| Highest | 1449.6 (2025-06-01) |
| Min/Max +/- allowed | 116.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1227.3 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1274 |
| K-factor | 32 |
| Floor | 949.6 |
| Highest | 1449.6 (2025-06-01) |
| Min/Max +/- allowed | 116.2 |
Rapid rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-05-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-05-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-05-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-05-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Etienne Lewis (U12) | Standard | 2026-08-08 | 2026-08-10 | Tshwane (GTP) | 7 | 1284.3 | 7 | 3 | 1226.9 | -20.5 | Details |
| 2 | 2026 D3 Tshwane North Individuals (U11 Boys) | Standard | 2026-05-09 | 2026-05-09 | Tshwane (GTP) | 5 | 1333.9 | 5 | 3.5 | 1380.1 | 8.5 | Details |
| 3 | 2026 Milos Ristic Teams Open (Junior) | Standard | 2026-05-02 | 2026-05-02 | Tshwane (GTP) | 5 | 1333.9 | 5 | 1.5 | 1099.4 | -37.6 | Details |
| 4 | 2026 D3 Tshwane North School Cluster 4&5 Individuals (U11 Mixed) | Standard | 2026-04-11 | 2026-04-11 | Tshwane (GTP) | 5 | 1325.2 | 4 | 3 | 1393.2 | 8.7 | Details |
| 5 | 2026 Chris Greyling Open Tournament (C) | Standard | 2026-03-14 | 2026-03-14 | Tshwane (GTP) | 5 | 1360 | 3 | 0 | 1001.6 | -34.8 | Details |
| 6 | 2026 Piet Robbertse Open Chess Tournament (D) | Standard | 2026-02-07 | 2026-02-08 | Tshwane (GTP) | 5 | 1384.8 | 5 | 2.5 | 1237.8 | -15.4 | Details |
| 7 | Gauteng Inter-Region at Emerald Resort 2025 (U10 Candidates) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1388.8 | 5 | 3 | 1357.6 | -2.4 | Details |
| 8 | 2025 Etienne Lewis Closed Chess Tournament (U10) | Standard | 2025-08-08 | 2025-08-10 | Tshwane (GTP) | 7 | 1406.1 | 7 | 3.5 | 1340.6 | -10.9 | Details |
| 9 | 2025 Elise Steenkamp Open Chess Tournament (Knight) | Standard | 2025-06-14 | 2025-06-15 | Tshwane (GTP) | 5 | 1448.5 | 5 | 2 | 1214.1 | -26.5 | Details |
| 10 | 2025 Tshwane North School District CLOSED Individual Chess Championship (U9 Open) | Standard | 2025-05-24 | 2025-05-24 | Tshwane (GTP) | 5 | 1349.7 | 5 | 4 | 1512.7 | 16.8 | Details |
| 11 | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U9 Open) | Standard | 2025-05-10 | 2025-05-10 | Tshwane (GTP) | 5 | 1349.7 | 5 | 4 | 1452.2 | 10.8 | Details |
| 12 | 2025 Mid Gauteng Open Chess Tournament (U10) | Standard | 2025-04-12 | 2025-04-12 | Tshwane (GTP) | 5 | 1297.3 | 5 | 4 | 1574.2 | 26.4 | Details |
| 13 | Gauteng Top Schools 2024 (Primary Reserves) | Standard | 2024-10-04 | 2024-10-04 | Ekurhuleni (GE) | 5 | 1229.1 | 4 | 3 | 1432.8 | 17.3 | Details |
| 14 | 2024 Tshwane North School District Team League Finals (U9) | Standard | 2024-08-03 | 2024-08-03 | Tshwane (GTP) | 5 | 1219.2 | 5 | 3 | 1280.4 | 5.5 | Details |
| 15 | 2024 Tshwane North School District Cluster 4 & 5 Team League (U9) | Standard | 2024-07-20 | 2024-07-20 | Tshwane (GTP) | 5 | 1177.4 | 5 | 4 | 1475.2 | 29.7 | Details |
| 16 | Menlopark Open Chess Tournament 2024 (U10) | Standard | 2024-07-13 | 2024-07-13 | Tshwane (GTP) | 5 | 1177.4 | 5 | 1.5 | 1095.9 | -8.8 | Details |
| 17 | District 3 Cluster 4 and 5 Individuals 2024 (U9) | Standard | 2024-05-04 | 2024-05-04 | Tshwane (GTP) | 5 | 1200 | 5 | 2 | 1091.8 | -11.3 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 29 |
| Wins | 12 |
| Draws | 3 |
| Losses | 14 |
| White | 15 |
| Black | 14 |
| White wins | 6 |
| Black wins | 6 |
| Score | 13.5 |
| Percent | 46.6 |
| Dp | -29.3 |
| AOR | 1262.1 |
| Performance | 1232.8 |
Game statistics (History)
| Games | 85 |
| Wins | 45 |
| Draws | 5 |
| Losses | 35 |
| White | 43 |
| Black | 42 |
| White wins | 21 |
| Black wins | 24 |
| Score | 47.5 |
| Percent | 55.9 |
| Dp | 50 |
| AOR | 1257.5 |
| Performance | 1307.5 |
Rankings (Main)
| National | |
| Overall | 6887 |
| Gender | 5611 |
| Age group | 793 |
| Gender/Age | 598 |
| Provincial | |
| Overall | 2355 |
| Gender | 1908 |
| Age group | 279 |
| Gender/Age | 212 |
| Regional | |
| Overall | 767 |
| Gender | 625 |
| Age group | 82 |
| Gender/Age | 64 |
Rankings (Standard)
| National | |
| Overall | 6351 |
| Gender | 5090 |
| Age group | 772 |
| Gender/Age | 577 |
| Provincial | |
| Overall | 2296 |
| Gender | 1840 |
| Age group | 289 |
| Gender/Age | 220 |
| Regional | |
| Overall | 791 |
| Gender | 634 |
| Age group | 91 |
| Gender/Age | 73 |
Rankings (Rapid)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 29 |
| Score | 13.5 |
| Percent | 46.6 |
| Aor | 1262.1 |
| Dp | -29.3 |
| Prat | 1232.8 |
Performance (12 months)
| Games | 34 |
| Score | 16.5 |
| Percent | 48.5 |
| Aor | 1263.7 |
| Dp | -12.5 |
| Prat | 1251.2 |
Performance (History)
| Games | 85 |
| Score | 47.5 |
| Percent | 55.9 |
| Aor | 1257.5 |
| Dp | 50 |
| Prat | 1307.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Westermann, Z (Zelri) | 3 | 2 | 1 | 2025 Elise Steenkamp Open Chess Tournament (Knight) | 2026 Etienne Lewis (U12) | Details |
| Overall | 2 | Olivier, C (Christiaan) | 2 | 2 | 0 | 2025 Elise Steenkamp Open Chess Tournament (Knight) | 2026 Etienne Lewis (U12) | Details |
| Overall | 3 | Radebe, M (Mpilo) | 2 | 2 | 0 | 2025 Etienne Lewis Closed Chess Tournament (U10) | Gauteng Inter-Region at Emerald Resort 2025 (U10 Candidates) | Details |
| Overall | 4 | Viljoen, J (Jayden Johan) | 2 | 2 | 0 | 2025 Tshwane North School District CLOSED Individual Chess Championship (U9 Open) | 2025 Etienne Lewis Closed Chess Tournament (U10) | Details |
| Overall | 5 | De Villiers, A (Andre) | 2 | 1 | 1 | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U9 Open) | 2026 D3 Tshwane North School Cluster 4&5 Individuals (U11 Mixed) | Details |
| Standard | 1 | Westermann, Z (Zelri) | 3 | 2 | 1 | 2025 Elise Steenkamp Open Chess Tournament (Knight) | 2026 Etienne Lewis (U12) | Details |
| Standard | 2 | Dialer, F (Franz) | 2 | 1 | 1 | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U9 Open) | 2025 Tshwane North School District CLOSED Individual Chess Championship (U9 Open) | Details |
| Standard | 3 | Olivier, C (Christiaan) | 2 | 2 | 0 | 2025 Elise Steenkamp Open Chess Tournament (Knight) | 2026 Etienne Lewis (U12) | Details |
| Standard | 4 | Swart, E (Eben) | 2 | 0 | 2 | 2025 Elise Steenkamp Open Chess Tournament (Knight) | 2025 Etienne Lewis Closed Chess Tournament (U10) | Details |
| Standard | 5 | Krog, R (Ruan) | 2 | 1 | 1 | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U9 Open) | 2025 Tshwane North School District CLOSED Individual Chess Championship (U9 Open) | Details |