PLAYER PAGE
Nathan Grieb
1160300091Overberg (WOS)Personal
Main rating
| Rating | 1323.2 |
| K-factor | 36 |
| Floor | 823.2 |
| Highest | 1334.4 (2025-09-30) |
| Min/Max +/- allowed | 137 |
| Rating Change () | |
| Games | 6 |
| Score | 3 |
| We | 3.32 |
| SWe | -0.2 |
| Temp +/- | -7 |
| Penalties | 0 |
| Weight perform | 1264.4 |
| Final +/- | -7 |
| New Rating () | |
| Rating | 1316.1 |
| K-factor | 36 |
| Floor | 823.2 |
| Highest | 1334.4 (2025-09-30) |
| Min/Max +/- allowed | 136.9 |
Standard rating
| Rating | 1325.4 |
| K-factor | 36 |
| Floor | 825.4 |
| Highest | 1338.1 (2025-09-30) |
| Min/Max +/- allowed | 136.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1295.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1325.4 |
| K-factor | 36 |
| Floor | 825.4 |
| Highest | 1338.1 (2025-09-30) |
| Min/Max +/- allowed | 136.2 |
Rapid rating
| Rating | 1268.4 |
| K-factor | 36 |
| Floor | 768.4 |
| Highest | 1271.4 (2024-03-01) |
| Min/Max +/- allowed | 149.8 |
| Rating Change () | |
| Games | 6 |
| Score | 3 |
| We | 3.05 |
| SWe | -0.05 |
| Temp +/- | -1.9 |
| Penalties | 0 |
| Weight perform | 1268.7 |
| Final +/- | 0.2 |
| New Rating () | |
| Rating | 1268.7 |
| K-factor | 36 |
| Floor | 768.4 |
| Highest | 1271.4 (2024-03-01) |
| Min/Max +/- allowed | 149.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-04-01) |
| 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 (2024-04-01) |
| 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 (U11 Boys) | Rapid | 2026-02-28 | 2026-02-28 | Overberg | 6 | 1323.2 | 6 | 3 | 1276.8 | -7 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Overberg Schools Open Championship 2026 (U11) | Rapid | 2026-01-31 | 2026-01-31 | Overberg (WOS) | 6 | 1308.7 | 6 | 4 | 1404.3 | 0 | Details |
| 2 | Curro Hermanus Spring Open 2025 (U9) | Rapid | 2025-10-18 | 2025-10-18 | Overberg (WOS) | 6 | 1333.9 | 6 | 3 | 1309.5 | 0 | Details |
| 3 | Western Cape Schools - Top Schools 2025 (U9) | Standard | 2025-09-06 | 2025-09-07 | Overberg (WOS) | 6 | 1303.7 | 6 | 3.5 | 1357.2 | 0 | Details |
| 4 | Overberg Top Schools 2025 (U7+U9) | Standard | 2025-08-02 | 2025-08-02 | Overberg (WOS) | 5 | 1247.4 | 5 | 4.5 | 1545.1 | 0 | Details |
| 5 | Western Cape Schools Individual Championship 2025 (U9 Boys) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1243.6 | 6 | 2.5 | 1262.3 | 0 | Details |
| 6 | Overberg Schools - PS Closed 2025 (U9 Boys) | Standard | 2025-03-08 | 2025-03-08 | Overberg (WOS) | 5 | 1225.6 | 5 | 3 | 1335.6 | 0 | Details |
| 7 | Overberg Schools - PS Trials (Region 1) 2025 (U9 Boys) | Rapid | 2025-02-22 | 2025-02-22 | Overberg (WOS) | 6 | 1242.8 | 6 | 3.5 | 1289.4 | 0 | Details |
| 8 | Laerskool Welgemoed Rapid 2025 (U10) | Rapid | 2025-02-15 | 2025-02-15 | Cape Town (WCT) | 6 | 1242.8 | 6 | 2.5 | 1117.7 | 0 | Details |
| 9 | Curro Hermanus Summer Open 2025 (U9) | Rapid | 2025-02-08 | 2025-02-08 | Overberg (WOS) | 6 | 1242.8 | 6 | 3 | 1208 | 0 | Details |
| 10 | Overberg Schools - Top Schools 2024 (U7+U9 Mixed) | Standard | 2024-07-27 | 2024-07-27 | Overberg (WOS) | 5 | 1182.1 | 5 | 4.5 | 1519.2 | 0 | Details |
| 11 | Western Cape PS Individuals Championship 2024 (U9 Boys) | Standard | 2024-05-04 | 2024-05-05 | West Coast (WCU) | 6 | 1219.4 | 6 | 1.5 | 1054.3 | 0 | Details |
| 12 | Overberg Schools - PS Closed 2024 (U9 Boys) | Standard | 2024-03-16 | 2024-03-16 | Overberg (WOS) | 5 | 1200 | 5 | 2.5 | 1250.6 | 0 | Details |
| 13 | Overberg Schools - PS Trials Region 3 2024 (U9 Boys) | Rapid | 2024-03-02 | 2024-03-02 | Overberg (WOS) | 5 | 1200 | 5 | 3 | 1284.6 | 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 | 6 |
| Draws | 2 |
| Losses | 4 |
| White | 6 |
| Black | 6 |
| White wins | 3 |
| Black wins | 3 |
| Score | 7 |
| Percent | 58.3 |
| Dp | 70.8 |
| AOR | 1269.7 |
| Performance | 1340.5 |
Game statistics (History)
| Games | 79 |
| Wins | 39 |
| Draws | 10 |
| Losses | 30 |
| White | 41 |
| Black | 38 |
| White wins | 23 |
| Black wins | 16 |
| Score | 44 |
| Percent | 55.7 |
| Dp | 48.4 |
| AOR | 1247.2 |
| Performance | 1295.6 |
Rankings (Main)
| National | |
| Overall | 5226 |
| Gender | 4347 |
| Age group | 473 |
| Gender/Age | 373 |
| Provincial | |
| Overall | 1590 |
| Gender | 1255 |
| Age group | 152 |
| Gender/Age | 105 |
| Regional | |
| Overall | 102 |
| Gender | 70 |
| Age group | 15 |
| Gender/Age | 10 |
Rankings (Standard)
| National | |
| Overall | 4621 |
| Gender | 3840 |
| Age group | 429 |
| Gender/Age | 343 |
| Provincial | |
| Overall | 1324 |
| Gender | 1035 |
| Age group | 136 |
| Gender/Age | 96 |
| Regional | |
| Overall | 68 |
| Gender | 43 |
| Age group | 9 |
| Gender/Age | 5 |
Rankings (Rapid)
| National | |
| Overall | 2558 |
| Gender | 2069 |
| Age group | 319 |
| Gender/Age | 249 |
| Provincial | |
| Overall | 1081 |
| Gender | 856 |
| Age group | 145 |
| Gender/Age | 105 |
| Regional | |
| Overall | 129 |
| Gender | 87 |
| Age group | 19 |
| Gender/Age | 12 |
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 | 7 |
| Percent | 58.3 |
| Aor | 1269.7 |
| Dp | 70.8 |
| Prat | 1340.5 |
Performance (12 months)
| Games | 40 |
| Score | 23.5 |
| Percent | 58.8 |
| Aor | 1277.2 |
| Dp | 74.4 |
| Prat | 1351.6 |
Performance (History)
| Games | 79 |
| Score | 44 |
| Percent | 55.7 |
| Aor | 1247.2 |
| Dp | 48.4 |
| Prat | 1295.6 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Grobbelaar, M (Marlo) | 4 | 1 | 3 | Overberg Schools - PS Trials Region 3 2024 (U9 Boys) | Overberg Schools - PS Closed 2025 (U9 Boys) | Details |
| Overall | 2 | Badenhorst, R (Rouxan) | 3 | 2 | 1 | Overberg Schools - PS Closed 2024 (U9 Boys) | Overberg Schools Open Championship 2026 (U11) | Details |
| Overall | 3 | Ellis, A (Alexander) | 2 | 1 | 1 | Overberg Schools - Top Schools 2024 (U7+U9 Mixed) | Curro Hermanus Spring Open 2025 (U9) | Details |
| Overall | 4 | Fourie, D (David) | 2 | 2 | 0 | Overberg Schools - PS Closed 2024 (U9 Boys) | Overberg Schools - Top Schools 2024 (U7+U9 Mixed) | Details |
| Overall | 5 | Kuhn, D (Dian) | 2 | 2 | 0 | Curro Hermanus Spring Open 2025 (U9) | Overberg Schools Primary School Trials (Region 1) 2026 (U11 Boys) | Details |
| Standard | 1 | Avenant, J (Jone) | 2 | 1 | 1 | Overberg Schools - Top Schools 2024 (U7+U9 Mixed) | Overberg Top Schools 2025 (U7+U9) | Details |
| Standard | 2 | Fourie, D (David) | 2 | 2 | 0 | Overberg Schools - PS Closed 2024 (U9 Boys) | Overberg Schools - Top Schools 2024 (U7+U9 Mixed) | Details |
| Standard | 3 | Badenhorst, R (Rouxan) | 2 | 2 | 0 | Overberg Schools - PS Closed 2024 (U9 Boys) | Overberg Schools - PS Closed 2025 (U9 Boys) | Details |
| Standard | 4 | Grobbelaar, M (Marlo) | 2 | 0 | 2 | Western Cape PS Individuals Championship 2024 (U9 Boys) | Overberg Schools - PS Closed 2025 (U9 Boys) | Details |
| Standard | 5 | Beyers, T (Tatum) | 2 | 1 | 1 | Overberg Schools - PS Closed 2024 (U9 Boys) | Overberg Schools - PS Closed 2025 (U9 Boys) | Details |
| Rapid | 1 | Fourie, C (Cj) | 2 | 1 | 1 | Overberg Schools - PS Trials (Region 1) 2025 (U9 Boys) | Curro Hermanus Spring Open 2025 (U9) | Details |
| Rapid | 2 | Grobbelaar, M (Marlo) | 2 | 1 | 1 | Overberg Schools - PS Trials Region 3 2024 (U9 Boys) | Overberg Schools - PS Trials (Region 1) 2025 (U9 Boys) | Details |
| Rapid | 3 | Kuhn, D (Dian) | 2 | 2 | 0 | Curro Hermanus Spring Open 2025 (U9) | Overberg Schools Primary School Trials (Region 1) 2026 (U11 Boys) | Details |
| Rapid | 4 | Basson, A (Adam) | 2 | 0 | 2 | Curro Hermanus Spring Open 2025 (U9) | Overberg Schools Primary School Trials (Region 1) 2026 (U11 Boys) | Details |
| Rapid | 5 | Coetzer, R (Rossouw) | 2 | 1 | 1 | Curro Hermanus Summer Open 2025 (U9) | Overberg Schools - PS Trials (Region 1) 2025 (U9 Boys) | Details |