PLAYER PAGE
Gretchen Buhr
2120133357Overberg (WOS)Personal
Main rating
| Rating | 1325.5 |
| K-factor | 36 |
| Floor | 884.3 |
| Highest | 1384.3 (2026-03-01) |
| Min/Max +/- allowed | 128 |
| Rating Change () | |
| Games | 5 |
| Score | 0.5 |
| We | 1.72 |
| SWe | -1.02 |
| Temp +/- | -36.6 |
| Penalties | 0 |
| Weight perform | 1215.7 |
| Final +/- | -36.6 |
| New Rating () | |
| Rating | 1289 |
| K-factor | 36 |
| Floor | 884.3 |
| Highest | 1384.3 (2026-03-01) |
| Min/Max +/- allowed | 127.5 |
Standard rating
| Rating | 1279 |
| K-factor | 36 |
| Floor | 846.3 |
| Highest | 1346.3 (2026-03-01) |
| Min/Max +/- allowed | 134.6 |
| Rating Change () | |
| Games | 5 |
| Score | 0.5 |
| We | 1.43 |
| SWe | -0.93 |
| Temp +/- | -33.6 |
| Penalties | 0 |
| Weight perform | 1184.5 |
| Final +/- | -33.6 |
| New Rating () | |
| Rating | 1245.5 |
| K-factor | 36 |
| Floor | 846.3 |
| Highest | 1346.3 (2026-03-01) |
| Min/Max +/- allowed | 134.6 |
Rapid rating
| Rating | 1352.1 |
| K-factor | 36 |
| Floor | 852.1 |
| Highest | 1352.1 (2026-02-28) |
| Min/Max +/- allowed | 133.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1248.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1352.1 |
| K-factor | 36 |
| Floor | 852.1 |
| Highest | 1352.1 (2026-02-28) |
| Min/Max +/- allowed | 133.5 |
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 | Western Cape Schools - Top Schools 2026 (U19 Mix) | Standard | 2026-08-29 | 2026-08-30 | Cape Town (WCT) | 6 | 1325.5 | 5 | 0.5 | 1111.7 | -36.6 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 WCSC HS Individual Championship (U15 Girls) | Standard | 2026-05-02 | 2026-05-03 | Eden (WEG) | 6 | 1384.3 | 6 | 2 | 1104.1 | -58.8 | Details |
| 2 | Overberg Schools High School Closed 2026 (U15 Girls) | Standard | 2026-03-07 | 2026-03-07 | Overberg (WOS) | 5 | 1347 | 5 | 3.5 | 1567 | 37.3 | Details |
| 3 | Overberg Schools High School Trials 2026 (U15 Girls) | Rapid | 2026-02-21 | 2026-02-21 | Overberg (WOS) | 6 | 1289.1 | 6 | 4 | 1426 | 11.5 | Details |
| 4 | Overberg Schools Open Championship 2026 (U15) | Rapid | 2026-01-31 | 2026-01-31 | Overberg (WOS) | 6 | 1289.1 | 6 | 5 | 1608.1 | 14.4 | Details |
| 5 | Overberg Club Championship 2025 | Rapid | 2025-09-13 | 2025-09-13 | Overberg (WOS) | 7 | 1326.3 | 6 | 1 | 971.6 | -27 | Details |
| 6 | Western Cape Schools Individual Championship 2025 (U13 Girls) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1328.2 | 6 | 3 | 1319.1 | -1 | Details |
| 7 | Overberg Schools - PS Closed 2025 (U13 Girls) | Standard | 2025-03-08 | 2025-03-08 | Overberg (WOS) | 5 | 1299.3 | 5 | 4 | 1455.5 | 16.1 | Details |
| 8 | Overberg Schools - PS Trials (Region 1) 2025 (U13 Girls) | Rapid | 2025-02-22 | 2025-02-22 | Overberg (WOS) | 6 | 1246 | 6 | 4 | 1304.7 | 5.1 | Details |
| 9 | Curro Hermanus Summer Open 2025 (U13) | Rapid | 2025-02-08 | 2025-02-08 | Overberg (WOS) | 6 | 1246 | 6 | 3.5 | 1358.1 | 9.5 | Details |
| 10 | Overberg Schools & Federation Open 2025 (U13) | Rapid | 2025-02-01 | 2025-02-01 | Overberg (WOS) | 6 | 1246 | 6 | 4 | 1422.2 | 15 | Details |
| 11 | Overberg GP Invitational Day 2 2024 (B) | Standard | 2024-09-27 | 2024-09-27 | Overberg (WOS) | 5 | 1299.5 | 5 | 2.5 | 1187.9 | -10.1 | Details |
| 12 | Overberg GP Invitational Day 1 2024 (B) | Standard | 2024-09-26 | 2024-09-26 | Overberg (WOS) | 5 | 1299.5 | 5 | 2 | 1105.6 | -17.9 | Details |
| 13 | Western Cape Top Schools Championship 2024 (U13 Girls) | Standard | 2024-08-30 | 2024-09-01 | Eden (WEG) | 6 | 1299.5 | 6 | 3 | 1277.3 | -2.5 | Details |
| 14 | Overberg Schools - Top Schools 2024 (U9-U15 Girls) | Standard | 2024-07-27 | 2024-07-27 | Overberg (WOS) | 5 | 1249.3 | 4 | 3.5 | 1509.2 | 20.3 | Details |
| 15 | Western Cape PS Individuals Championship 2024 (U13 Girls) | Standard | 2024-05-04 | 2024-05-05 | West Coast (WCU) | 6 | 1262.7 | 6 | 2.5 | 1199.3 | -7.5 | Details |
| 16 | Overberg Schools - PS Closed 2024 (U13 Girls) | Standard | 2024-03-16 | 2024-03-16 | Overberg (WOS) | 5 | 1232.8 | 5 | 4 | 1377.6 | 14.9 | Details |
| 17 | Overberg Schools - PS Trials Region 3 2024 (U13 Girls) | Rapid | 2024-03-02 | 2024-03-02 | Overberg (WOS) | 5 | 1232.8 | 5 | 3 | 1262.8 | 1.7 | Details |
| 18 | Western Cape Top Schools 2023 (U11 Mixed) | Standard | 2023-09-02 | 2023-09-03 | Cape Winelands (WCW) | 6 | 1190 | 6 | 4 | 1371.5 | 21.2 | Details |
| 19 | Overberg Top Schools 2023 (U11) | Standard | 2023-08-05 | 2023-08-05 | Overberg (WOS) | 5 | 1170.4 | 5 | 3 | 1264.7 | 10 | Details |
| 20 | Western Cape PS Individuals 2023 (U11 Girls) | Standard | 2023-05-05 | 2023-05-06 | Cape Town (WCT) | 6 | 1162.4 | 6 | 2.5 | 1198.8 | 4.1 | Details |
| 21 | Overberg School Chess Closed Tournament 2023 (U11 Girls) | Standard | 2023-03-25 | 2023-03-25 | Overberg (WOS) | 5 | 1154 | 5 | 2.5 | 1156 | -0.5 | Details |
| 22 | Overberg Primary School Trials (Region 2) | Rapid | 2023-02-24 | 2023-03-10 | Overberg (WOS) | 6 | 1154 | 6 | 3 | 1227.5 | 4.8 | Details |
| 23 | Overberg Schools Open Tournament 2023 (U12) | Rapid | 2023-02-11 | 2023-02-11 | Overberg (WOS) | 5 | 1140.5 | 5 | 3 | 1270.1 | 6.8 | Details |
| 24 | Western Cape Top Schools 2022 (U11 Mix) | Standard | 2022-09-16 | 2022-09-17 | Overberg (WOS) | 5 | 1181 | 5 | 1 | 981.8 | -20.3 | Details |
| 25 | Western Cape Schools 2022 (U11 Girls) | Standard | 2022-05-28 | 2022-05-29 | Cape Winelands (WCW) | 6 | 1172.5 | 6 | 3 | 1195.7 | 4.3 | Details |
| 26 | Overberg Primary Schools Closed 2022 (U11 Girls) | Standard | 2022-03-12 | 2022-03-12 | Overberg (WOS) | 5 | 1125.4 | 5 | 3.5 | 1373.1 | 23.4 | Details |
| 27 | Western Cape Schools 2021 (U9 Girls) | Rapid | 2021-10-23 | 2021-10-23 | Overberg (WOS) | 5 | 1154.4 | 5 | 1 | 960 | -14.6 | Details |
| 28 | Overberg Schools Trials 2021 (U9) | Rapid | 2021-09-18 | 2021-09-18 | Overberg (WOS) | 5 | 1182.7 | 4 | 1 | 931.3 | -14.3 | Details |
| 29 | Overberg Closed 2020 (U9 Girls) | Standard | 2020-03-15 | 2020-03-15 | Overberg (WOS) | 5 | 1200 | 5 | 2 | 1118.6 | -8.6 | 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 | 28 |
| Wins | 14 |
| Draws | 2 |
| Losses | 12 |
| White | 14 |
| Black | 14 |
| White wins | 6 |
| Black wins | 8 |
| Score | 15 |
| Percent | 53.6 |
| Dp | 30.4 |
| AOR | 1334.7 |
| Performance | 1365.1 |
Game statistics (History)
| Games | 162 |
| Wins | 77 |
| Draws | 15 |
| Losses | 70 |
| White | 80 |
| Black | 82 |
| White wins | 40 |
| Black wins | 37 |
| Score | 84.5 |
| Percent | 52.2 |
| Dp | 18.4 |
| AOR | 1238.6 |
| Performance | 1257 |
Rankings (Main)
| National | |
| Overall | 5419 |
| Gender | 955 |
| Age group | 829 |
| Gender/Age | 180 |
| Provincial | |
| Overall | 1637 |
| Gender | 362 |
| Age group | 247 |
| Gender/Age | 64 |
| Regional | |
| Overall | 110 |
| Gender | 34 |
| Age group | 16 |
| Gender/Age | 8 |
Rankings (Standard)
| National | |
| Overall | 6187 |
| Gender | 1223 |
| Age group | 995 |
| Gender/Age | 219 |
| Provincial | |
| Overall | 1767 |
| Gender | 432 |
| Age group | 278 |
| Gender/Age | 74 |
| Regional | |
| Overall | 106 |
| Gender | 36 |
| Age group | 15 |
| Gender/Age | 9 |
Rankings (Rapid)
| National | |
| Overall | 1414 |
| Gender | 221 |
| Age group | 239 |
| Gender/Age | 50 |
| Provincial | |
| Overall | 624 |
| Gender | 108 |
| Age group | 103 |
| Gender/Age | 23 |
| Regional | |
| Overall | 66 |
| Gender | 19 |
| Age group | 11 |
| Gender/Age | 6 |
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 | 28 |
| Score | 15 |
| Percent | 53.6 |
| Aor | 1334.7 |
| Dp | 30.4 |
| Prat | 1365.1 |
Performance (12 months)
| Games | 28 |
| Score | 15 |
| Percent | 53.6 |
| Aor | 1334.7 |
| Dp | 30.4 |
| Prat | 1365.1 |
Performance (History)
| Games | 162 |
| Score | 84.5 |
| Percent | 52.2 |
| Aor | 1238.6 |
| Dp | 18.4 |
| Prat | 1257 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Collins, E (Esme) | 6 | 3 | 3 | Overberg Primary Schools Closed 2022 (U11 Girls) | Overberg Schools High School Closed 2026 (U15 Girls) | Details |
| Overall | 2 | Otto, J (Johanne) | 6 | 2 | 4 | Overberg School Chess Closed Tournament 2023 (U11 Girls) | Overberg Schools - PS Closed 2025 (U13 Girls) | Details |
| Overall | 3 | Van Der Westhuizen, M (Mika) | 5 | 5 | 0 | Overberg Primary Schools Closed 2022 (U11 Girls) | Overberg Schools High School Closed 2026 (U15 Girls) | Details |
| Overall | 4 | Rock, M (Mieke) | 4 | 1 | 3 | Overberg Schools - PS Closed 2024 (U13 Girls) | Overberg Schools High School Trials 2026 (U15 Girls) | Details |
| Overall | 5 | Spinnler, E (Elizabeth Hendrina) | 4 | 3 | 1 | Overberg Schools Open Tournament 2023 (U12) | Overberg Schools Open Championship 2026 (U15) | Details |
| Standard | 1 | Collins, E (Esme) | 5 | 2 | 3 | Overberg Primary Schools Closed 2022 (U11 Girls) | Overberg Schools High School Closed 2026 (U15 Girls) | Details |
| Standard | 2 | Otto, J (Johanne) | 4 | 1 | 3 | Overberg School Chess Closed Tournament 2023 (U11 Girls) | Overberg Schools - PS Closed 2025 (U13 Girls) | Details |
| Standard | 3 | Rock, M (Mieke) | 3 | 1 | 2 | Overberg Schools - PS Closed 2024 (U13 Girls) | Overberg GP Invitational Day 2 2024 (B) | Details |
| Standard | 4 | Van Der Westhuizen, M (Mika) | 3 | 3 | 0 | Overberg Primary Schools Closed 2022 (U11 Girls) | Overberg Schools High School Closed 2026 (U15 Girls) | Details |
| Standard | 5 | Spinnler, E (Elizabeth Hendrina) | 2 | 2 | 0 | Overberg School Chess Closed Tournament 2023 (U11 Girls) | Western Cape PS Individuals 2023 (U11 Girls) | Details |
| Rapid | 1 | Kudiyarov, M (Maxim) | 3 | 2 | 1 | Overberg Schools & Federation Open 2025 (U13) | Overberg Schools Open Championship 2026 (U15) | Details |
| Rapid | 2 | Henning, N (Nicolas) | 3 | 1 | 2 | Overberg Schools Trials 2021 (U9) | Curro Hermanus Summer Open 2025 (U13) | Details |
| Rapid | 3 | Otto, K (Karlien) | 3 | 2 | 1 | Overberg Primary School Trials (Region 2) | Overberg Schools - PS Trials (Region 1) 2025 (U13 Girls) | Details |
| Rapid | 4 | Drury, R (Riko) | 2 | 2 | 0 | Overberg Schools Trials 2021 (U9) | Overberg Schools Open Championship 2026 (U15) | Details |
| Rapid | 5 | Van Der Linde, L (Luandi) | 2 | 2 | 0 | Overberg Schools - PS Trials Region 3 2024 (U13 Girls) | Overberg Schools Open Championship 2026 (U15) | Details |