PLAYER PAGE
Gideon Petrus Van Andel Anderson
1120159752Tshwane (GTP)Personal
Main rating
| Rating | 1212.8 |
| K-factor | 36 |
| Floor | 871.1 |
| Highest | 1378.3 (2025-09-01) |
| Min/Max +/- allowed | 129 |
| Rating Change () | |
| Games | 5 |
| Score | 1 |
| We | 3.64 |
| SWe | -2.23 |
| Temp +/- | -80.4 |
| Penalties | 0 |
| Weight perform | 976.2 |
| Final +/- | -80.4 |
| New Rating () | |
| Rating | 1132.5 |
| K-factor | 36 |
| Floor | 871.1 |
| Highest | 1378.3 (2025-09-01) |
| Min/Max +/- allowed | 128.6 |
Standard rating
| Rating | 1196 |
| K-factor | 36 |
| Floor | 870.2 |
| Highest | 1377.4 (2025-09-01) |
| Min/Max +/- allowed | 128.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1113.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1196 |
| K-factor | 36 |
| Floor | 870.2 |
| Highest | 1377.4 (2025-09-01) |
| Min/Max +/- allowed | 128.8 |
Rapid rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 5 |
| Score | 1 |
| We | 3.59 |
| SWe | -2.92 |
| Temp +/- | -105.2 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | -105.2 |
| New Rating () | |
| Rating | 1094.8 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| 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 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Gauteng Top Schools Teams 2026 (U15 Open) | Rapid | 2026-08-28 | 2026-08-28 | Ekurhuleni (GE) | 5 | 1212.8 | 5 | 1 | 759.2 | -70.5 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Gauteng North School D3 Team League Finals (U15) | Standard | 2026-08-22 | 2026-08-22 | Tshwane (GTP) | 5 | 1212.8 | 5 | 3 | 1109.9 | -27.3 | Details |
| 2 | 2026 Etienne Lewis (U16) | Standard | 2026-08-08 | 2026-08-10 | Tshwane (GTP) | 7 | 1212.8 | 7 | 2 | 1108 | -47.7 | Details |
| 3 | 2026 Tshwane North D3 Cluster 4&5 Teams (U15) | Standard | 2026-07-25 | 2026-07-25 | Tshwane (GTP) | 5 | 1212.8 | 5 | 3.5 | 1304.4 | 3.4 | Details |
| 4 | Wynie Robbertse Chess Tournament 2026 (C) | Standard | 2026-06-27 | 2026-06-27 | Tshwane (GTP) | 5 | 1333.9 | 4 | 0 | 983.9 | -49.3 | Details |
| 5 | 2026 D3 Tshwane North School Cluster 4&5 Individuals (U15 Mixed) | Standard | 2026-04-11 | 2026-04-11 | Tshwane (GTP) | 5 | 1342.5 | 5 | 3 | 1284.9 | -8.6 | Details |
| 6 | 2026 Piet Robbertse Open Chess Tournament (C) | Standard | 2026-02-07 | 2026-02-08 | Tshwane (GTP) | 5 | 1348.4 | 5 | 2 | 1361.5 | 0.4 | Details |
| 7 | 2026 Tshwane Chess Registration Tournament (C2) | Standard | 2026-01-31 | 2026-01-31 | Tshwane (GTP) | 5 | 1348.4 | 5 | 2 | 1314 | -4 | Details |
| 8 | 2025 Gauteng Top Schools Teams (U13) | Standard | 2025-08-29 | 2025-08-29 | Tshwane (GTP) | 5 | 1365.3 | 5 | 2.5 | 1260.7 | -9.3 | Details |
| 9 | 2025 Tshwane North District CLOSED Team Championships (D3) (U13 Open) | Standard | 2025-08-16 | 2025-08-16 | Tshwane (GTP) | 5 | 1371.1 | 5 | 3 | 1344.2 | -3.2 | Details |
| 10 | 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U13 Open) | Standard | 2025-07-26 | 2025-07-26 | Tshwane (GTP) | 5 | 1308.5 | 5 | 4 | 1516.4 | 21.1 | Details |
| 11 | 2025 Tshwane North School District CLOSED Individual Chess Championship (U13 Open) | Standard | 2025-05-24 | 2025-05-24 | Tshwane (GTP) | 5 | 1225.4 | 5 | 3 | 1358.6 | 13.6 | Details |
| 12 | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U13 Open) | Standard | 2025-05-10 | 2025-05-10 | Tshwane (GTP) | 5 | 1225.4 | 5 | 4 | 1551.7 | 32.5 | Details |
| 13 | 2024 Etienne Lewis (U14) | Standard | 2024-08-30 | 2024-09-01 | Tshwane (GTP) | 7 | 1220.4 | 7 | 3 | 1238.4 | 0.4 | Details |
| 14 | 2024 Alekhine Open Chess Tournament (B) | Standard | 2024-08-09 | 2024-08-10 | Tshwane (GTP) | 5 | 1223.1 | 4 | 1 | 1113.9 | -9.8 | Details |
| 15 | 2024 Tshwane North School District Team League Finals (U13) | Standard | 2024-08-03 | 2024-08-03 | Tshwane (GTP) | 5 | 1223.1 | 4 | 2.5 | 1330.3 | 8.3 | Details |
| 16 | District 3 Cluster 4 and 5 Individuals 2024 (U13 Boys) | Standard | 2024-05-04 | 2024-05-04 | Tshwane (GTP) | 5 | 1200 | 5 | 2 | 1156.1 | -5 | Details |
| 17 | 2024 Silver Lakes Open Chess Tournament (D2) | Standard | 2024-04-20 | 2024-04-20 | Tshwane (GTP) | 5 | 1238.6 | 5 | 2 | 1158 | -8.6 | Details |
| 18 | 2024 Lubowski Open Chess Tournament (D1) | Standard | 2024-03-23 | 2024-03-24 | Tshwane (GTP) | 5 | 1238.6 | 0 | 0 | 0 | 0 | Details |
| 19 | 2024 Tshwane Chess OPEN Registration Tournament (D1) | Standard | 2024-01-27 | 2024-01-27 | Tshwane (GTP) | 5 | 1232.6 | 5 | 3 | 1258.2 | 3.3 | Details |
| 20 | 2023 Gauteng Top Schools (U11 Mixed) | Standard | 2023-08-18 | 2023-08-18 | West Rand (GWR) | 5 | 1200 | 5 | 3 | 1296.1 | 10.1 | Details |
| 21 | 2023 Tshwane North School District CLOSED League Championships (D3) | Standard | 2023-08-12 | 2023-08-12 | Tshwane (GTP) | 5 | 1200 | 5 | 3 | 1289.4 | 8 | 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 | 41 |
| Wins | 16 |
| Draws | 1 |
| Losses | 24 |
| White | 22 |
| Black | 19 |
| White wins | 7 |
| Black wins | 9 |
| Score | 16.5 |
| Percent | 40.2 |
| Dp | -82.9 |
| AOR | 1238.1 |
| Performance | 1155.1 |
Game statistics (History)
| Games | 106 |
| Wins | 51 |
| Draws | 3 |
| Losses | 52 |
| White | 54 |
| Black | 52 |
| White wins | 28 |
| Black wins | 23 |
| Score | 52.5 |
| Percent | 49.5 |
| Dp | -4 |
| AOR | 1247 |
| Performance | 1243 |
Rankings (Main)
| National | |
| Overall | 11142 |
| Gender | 8755 |
| Age group | 1964 |
| Gender/Age | 1492 |
| Provincial | |
| Overall | 3905 |
| Gender | 2997 |
| Age group | 710 |
| Gender/Age | 522 |
| Regional | |
| Overall | 1189 |
| Gender | 914 |
| Age group | 215 |
| Gender/Age | 163 |
Rankings (Standard)
| National | |
| Overall | 10262 |
| Gender | 7869 |
| Age group | 1778 |
| Gender/Age | 1318 |
| Provincial | |
| Overall | 3571 |
| Gender | 2682 |
| Age group | 657 |
| Gender/Age | 460 |
| Regional | |
| Overall | 1235 |
| Gender | 932 |
| Age group | 228 |
| Gender/Age | 170 |
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 | 41 |
| Score | 16.5 |
| Percent | 40.2 |
| Aor | 1238.1 |
| Dp | -82.9 |
| Prat | 1155.1 |
Performance (12 months)
| Games | 41 |
| Score | 16.5 |
| Percent | 40.2 |
| Aor | 1238.1 |
| Dp | -82.9 |
| Prat | 1155.1 |
Performance (History)
| Games | 106 |
| Score | 52.5 |
| Percent | 49.5 |
| Aor | 1247 |
| Dp | -4 |
| Prat | 1243 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Herbst, AJL (A Le Roux) | 3 | 1 | 2 | 2023 Tshwane North School District CLOSED League Championships (D3) | 2024 Tshwane North School District Team League Finals (U13) | Details |
| Overall | 2 | De Jager, K (Konrad) | 2 | 1 | 1 | 2024 Tshwane Chess OPEN Registration Tournament (D1) | 2024 Etienne Lewis (U14) | Details |
| Overall | 3 | Grahan, T (Tylo) | 2 | 1 | 1 | 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U13 Open) | 2025 Tshwane North District CLOSED Team Championships (D3) (U13 Open) | Details |
| Overall | 4 | Tsoakhong, T (Tshiamo) | 2 | 1 | 1 | District 3 Cluster 4 and 5 Individuals 2024 (U13 Boys) | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U13 Open) | Details |
| Overall | 5 | Mbeve, E (Edilson) | 2 | 1 | 1 | 2025 Tshwane North District CLOSED Team Championships (D3) (U13 Open) | 2026 Gauteng North School D3 Team League Finals (U15) | Details |
| Standard | 1 | Herbst, AJL (A Le Roux) | 3 | 1 | 2 | 2023 Tshwane North School District CLOSED League Championships (D3) | 2024 Tshwane North School District Team League Finals (U13) | Details |
| Standard | 2 | De Jager, K (Konrad) | 2 | 1 | 1 | 2024 Tshwane Chess OPEN Registration Tournament (D1) | 2024 Etienne Lewis (U14) | Details |
| Standard | 3 | Grahan, T (Tylo) | 2 | 1 | 1 | 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U13 Open) | 2025 Tshwane North District CLOSED Team Championships (D3) (U13 Open) | Details |
| Standard | 4 | Tsoakhong, T (Tshiamo) | 2 | 1 | 1 | District 3 Cluster 4 and 5 Individuals 2024 (U13 Boys) | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U13 Open) | Details |
| Standard | 5 | Mbeve, E (Edilson) | 2 | 1 | 1 | 2025 Tshwane North District CLOSED Team Championships (D3) (U13 Open) | 2026 Gauteng North School D3 Team League Finals (U15) | Details |