PLAYER PAGE
Christiaan Groenewald
1130137104Overberg (WOS)Personal
Main rating
| Rating | 1388.9 |
| K-factor | 36 |
| Floor | 888.9 |
| Highest | 1388.9 (2026-02-28) |
| Min/Max +/- allowed | 127 |
| Rating Change () | |
| Games | 6 |
| Score | 4 |
| We | 3.52 |
| SWe | 0.29 |
| Temp +/- | 10.4 |
| Penalties | 0 |
| Weight perform | 1319.9 |
| Final +/- | 10.4 |
| New Rating () | |
| Rating | 1399.3 |
| K-factor | 36 |
| Floor | 899.3 |
| Highest | 1399.3 (2026-03-01) |
| Min/Max +/- allowed | 124.8 |
Standard rating
| Rating | 1362.7 |
| K-factor | 36 |
| Floor | 862.7 |
| Highest | 1362.7 (2025-09-30) |
| Min/Max +/- allowed | 131.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1196 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1362.7 |
| K-factor | 36 |
| Floor | 862.7 |
| Highest | 1362.7 (2025-09-30) |
| Min/Max +/- allowed | 131.5 |
Rapid rating
| Rating | 1316.8 |
| K-factor | 36 |
| Floor | 816.8 |
| Highest | 1316.8 (2026-02-28) |
| Min/Max +/- allowed | 140.4 |
| Rating Change () | |
| Games | 6 |
| Score | 4 |
| We | 2.96 |
| SWe | 1.04 |
| Temp +/- | 37.6 |
| Penalties | 0 |
| Weight perform | 1340.8 |
| Final +/- | 37.6 |
| New Rating () | |
| Rating | 1354.3 |
| K-factor | 36 |
| Floor | 854.3 |
| Highest | 1354.3 (2026-03-01) |
| Min/Max +/- allowed | 133.1 |
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 | Overberg Schools Primary School Trials (Region 1) 2026 (U13 Boys) | Rapid | 2026-02-28 | 2026-02-28 | Overberg | 6 | 1388.9 | 6 | 4 | 1456.1 | 10.4 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Overberg Schools Open Championship 2026 (U13) | Rapid | 2026-01-31 | 2026-01-31 | Overberg (WOS) | 6 | 1367.3 | 6 | 5 | 1508.5 | 0 | Details |
| 2 | Western Cape Schools - Top Schools 2025 (U13) | Standard | 2025-09-06 | 2025-09-07 | Overberg (WOS) | 6 | 1332 | 3 | 3 | 1677.1 | 0 | Details |
| 3 | Overberg Top Schools 2025 (U13) | Standard | 2025-08-02 | 2025-08-02 | Overberg (WOS) | 5 | 1320.1 | 1 | 1 | 1622.8 | 0 | Details |
| 4 | Western Cape Schools Individual Championship 2025 (U13 Boys) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1312.5 | 6 | 2.5 | 1349.7 | 0 | Details |
| 5 | Overberg Schools - PS Closed 2025 (U13 Boys) | Standard | 2025-03-08 | 2025-03-08 | Overberg (WOS) | 5 | 1302.1 | 5 | 3 | 1368 | 0 | Details |
| 6 | Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys) | Rapid | 2025-02-22 | 2025-02-22 | Overberg (WOS) | 6 | 1305.7 | 6 | 2.5 | 1203.5 | 0 | Details |
| 7 | Overberg Schools & Federation Open 2025 (U13) | Rapid | 2025-02-01 | 2025-02-01 | Overberg (WOS) | 6 | 1305.7 | 6 | 4 | 1383.2 | 0 | Details |
| 8 | Kingsway Chess Open 2024 (U12) | Rapid | 2024-09-14 | 2024-09-14 | Overberg (WOS) | 6 | 1300.9 | 6 | 3 | 1365.1 | 0 | Details |
| 9 | Western Cape Top Schools Championship 2024 (U11 Mixed) | Standard | 2024-08-30 | 2024-09-01 | Eden (WEG) | 6 | 1300.9 | 6 | 2 | 1287.2 | 0 | Details |
| 10 | Overberg Schools - Top Schools 2024 (U11 Mixed) | Standard | 2024-07-27 | 2024-07-27 | Overberg (WOS) | 5 | 1282.1 | 5 | 3 | 1381.9 | 0 | Details |
| 11 | Western Cape - Kings and Queens 2024 (Boys) | Rapid | 2024-06-08 | 2024-06-08 | Overberg (WOS) | 5 | 1269.1 | 4 | 2 | 1398.8 | 0 | Details |
| 12 | Western Cape PS Individuals Championship 2024 (U11 Boys) | Standard | 2024-05-04 | 2024-05-05 | West Coast (WCU) | 6 | 1213.5 | 6 | 4 | 1476.7 | 0 | Details |
| 13 | Hermanus Chess Club Open 2024 (Intermediate) | Rapid | 2024-04-20 | 2024-04-20 | Overberg (WOS) | 7 | 1233.1 | 7 | 2 | 1089.1 | 0 | Details |
| 14 | Overberg Schools - PS Closed 2024 (U11 Boys) | Standard | 2024-03-16 | 2024-03-16 | Overberg (WOS) | 5 | 1226.8 | 5 | 3 | 1269.6 | 0 | Details |
| 15 | Overberg Top Schools 2023 (U11) | Standard | 2023-08-05 | 2023-08-05 | Overberg (WOS) | 5 | 1169.1 | 4 | 4 | 1578 | 0 | Details |
| 16 | Western Cape PS Individuals 2023 (U11 Boys) | Standard | 2023-05-05 | 2023-05-06 | Cape Town (WCT) | 6 | 1212.4 | 6 | 1 | 1009.3 | 0 | Details |
| 17 | Hermanus Rapid 2023 (C) | Rapid | 2023-04-22 | 2023-04-22 | Overberg (WOS) | 6 | 1211.4 | 6 | 3 | 1219.5 | 0 | Details |
| 18 | Overberg School Chess Closed Tournament 2023 (U11 Boys) | Standard | 2023-03-25 | 2023-03-25 | Overberg (WOS) | 5 | 1194.7 | 5 | 3 | 1335.7 | 0 | Details |
| 19 | Overberg Primary School Trials (Region 2) | Rapid | 2023-02-24 | 2023-03-10 | Overberg (WOS) | 6 | 1194.7 | 6 | 2.5 | 1126 | 0 | Details |
| 20 | Western Cape Schools 2022 (U9 Boys) | Standard | 2022-05-28 | 2022-05-29 | Cape Winelands (WCW) | 6 | 1181.1 | 6 | 3 | 1238.1 | 0 | Details |
| 21 | Overberg Primary Schools Closed 2022 (U9 Boys) | Standard | 2022-03-12 | 2022-03-12 | Overberg (WOS) | 5 | 1200 | 5 | 2 | 1111.2 | 0 | 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 | 12 |
| Wins | 9 |
| Draws | 0 |
| Losses | 3 |
| White | 6 |
| Black | 6 |
| White wins | 5 |
| Black wins | 4 |
| Score | 9 |
| Percent | 75 |
| Dp | 212.5 |
| AOR | 1269.8 |
| Performance | 1482.3 |
Game statistics (History)
| Games | 116 |
| Wins | 61 |
| Draws | 3 |
| Losses | 52 |
| White | 59 |
| Black | 57 |
| White wins | 35 |
| Black wins | 26 |
| Score | 62.5 |
| Percent | 53.9 |
| Dp | 33 |
| AOR | 1279.6 |
| Performance | 1312.5 |
Rankings (Main)
| National | |
| Overall | 3517 |
| Gender | 2976 |
| Age group | 395 |
| Gender/Age | 287 |
| Provincial | |
| Overall | 1061 |
| Gender | 866 |
| Age group | 138 |
| Gender/Age | 93 |
| Regional | |
| Overall | 58 |
| Gender | 42 |
| Age group | 10 |
| Gender/Age | 8 |
Rankings (Standard)
| National | |
| Overall | 3714 |
| Gender | 3108 |
| Age group | 452 |
| Gender/Age | 324 |
| Provincial | |
| Overall | 1075 |
| Gender | 859 |
| Age group | 145 |
| Gender/Age | 94 |
| Regional | |
| Overall | 52 |
| Gender | 35 |
| Age group | 9 |
| Gender/Age | 8 |
Rankings (Rapid)
| National | |
| Overall | 1696 |
| Gender | 1412 |
| Age group | 298 |
| Gender/Age | 222 |
| Provincial | |
| Overall | 779 |
| Gender | 638 |
| Age group | 145 |
| Gender/Age | 105 |
| Regional | |
| Overall | 81 |
| Gender | 58 |
| Age group | 17 |
| Gender/Age | 13 |
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 | 12 |
| Score | 9 |
| Percent | 75 |
| Aor | 1269.8 |
| Dp | 212.5 |
| Prat | 1482.3 |
Performance (12 months)
| Games | 27 |
| Score | 18.5 |
| Percent | 68.5 |
| Aor | 1301.1 |
| Dp | 157.4 |
| Prat | 1458.5 |
Performance (History)
| Games | 116 |
| Score | 62.5 |
| Percent | 53.9 |
| Aor | 1279.6 |
| Dp | 33 |
| Prat | 1312.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Van Der Walt, T (Tristan) | 4 | 2 | 2 | Overberg Primary Schools Closed 2022 (U9 Boys) | Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys) | Details |
| Overall | 2 | Otto, T (Taylor) | 4 | 2 | 2 | Overberg Primary Schools Closed 2022 (U9 Boys) | Western Cape Schools Individual Championship 2025 (U13 Boys) | Details |
| Overall | 3 | Knapp, L (Liam) | 3 | 1 | 2 | Overberg Primary School Trials (Region 2) | Western Cape PS Individuals Championship 2024 (U11 Boys) | Details |
| Overall | 4 | Muller, A (Andreas) | 3 | 1 | 2 | Overberg Primary School Trials (Region 2) | Overberg Schools Primary School Trials (Region 1) 2026 (U13 Boys) | Details |
| Overall | 5 | Barnard, C (Charel) | 3 | 1 | 2 | Western Cape PS Individuals Championship 2024 (U11 Boys) | Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys) | Details |
| Standard | 1 | Otto, T (Taylor) | 4 | 2 | 2 | Overberg Primary Schools Closed 2022 (U9 Boys) | Western Cape Schools Individual Championship 2025 (U13 Boys) | Details |
| Standard | 2 | Knapp, L (Liam) | 2 | 1 | 1 | Western Cape PS Individuals 2023 (U11 Boys) | Western Cape PS Individuals Championship 2024 (U11 Boys) | Details |
| Standard | 3 | Van Der Walt, T (Tristan) | 2 | 1 | 1 | Overberg Primary Schools Closed 2022 (U9 Boys) | Overberg School Chess Closed Tournament 2023 (U11 Boys) | Details |
| Standard | 4 | Von Heiniz, D (Daniel) | 2 | 2 | 0 | Western Cape PS Individuals 2023 (U11 Boys) | Western Cape Top Schools Championship 2024 (U11 Mixed) | Details |
| Standard | 5 | Koert, D (Dane) | 2 | 0 | 2 | Western Cape PS Individuals 2023 (U11 Boys) | Western Cape Schools Individual Championship 2025 (U13 Boys) | Details |
| Rapid | 1 | Van Zyl, E (Ethan) | 2 | 0 | 2 | Overberg Schools Open Championship 2026 (U13) | Overberg Schools Primary School Trials (Region 1) 2026 (U13 Boys) | Details |
| Rapid | 2 | Van Der Merwe, D (Dante) | 2 | 2 | 0 | Overberg Primary School Trials (Region 2) | Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys) | Details |
| Rapid | 3 | Van Der Walt, T (Tristan) | 2 | 1 | 1 | Overberg Primary School Trials (Region 2) | Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys) | Details |
| Rapid | 4 | Muller, A (Andreas) | 2 | 0 | 2 | Overberg Primary School Trials (Region 2) | Overberg Schools Primary School Trials (Region 1) 2026 (U13 Boys) | Details |
| Rapid | 5 | Moses, J (Jivano) | 2 | 1 | 1 | Overberg Schools Open Championship 2026 (U13) | Overberg Schools Primary School Trials (Region 1) 2026 (U13 Boys) | Details |