PLAYER PAGE
Albert Rock
1150154665Overberg (WOS)Personal
Main rating
| Rating | 1246.9 |
| K-factor | 36 |
| Floor | 746.9 |
| Highest | 1250.4 (2024-07-01) |
| Min/Max +/- allowed | 154 |
| Rating Change () | |
| Games | 6 |
| Score | 4 |
| We | 2.95 |
| SWe | 0.64 |
| Temp +/- | 22.9 |
| Penalties | 0 |
| Weight perform | 1234 |
| Final +/- | 22.9 |
| New Rating () | |
| Rating | 1269.8 |
| K-factor | 36 |
| Floor | 769.8 |
| Highest | 1269.8 (2026-03-01) |
| Min/Max +/- allowed | 150.1 |
Standard rating
| Rating | 1175 |
| K-factor | 36 |
| Floor | 736 |
| Highest | 1273.9 (2024-07-01) |
| Min/Max +/- allowed | 149.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1018.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1175 |
| K-factor | 36 |
| Floor | 736 |
| Highest | 1273.9 (2024-07-01) |
| Min/Max +/- allowed | 149.2 |
Rapid rating
| Rating | 1244.4 |
| K-factor | 36 |
| Floor | 750.7 |
| Highest | 1250.7 (2025-03-01) |
| Min/Max +/- allowed | 154.3 |
| Rating Change () | |
| Games | 6 |
| Score | 4 |
| We | 2.87 |
| SWe | 1.13 |
| Temp +/- | 40.5 |
| Penalties | 0 |
| Weight perform | 1298.9 |
| Final +/- | 54.5 |
| New Rating () | |
| Rating | 1298.9 |
| K-factor | 36 |
| Floor | 798.9 |
| Highest | 1298.9 (2026-03-01) |
| Min/Max +/- allowed | 144 |
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 (U11 Boys) | Rapid | 2026-02-28 | 2026-02-28 | Overberg | 6 | 1246.9 | 6 | 4 | 1396.2 | 22.9 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Laerskool Welgemoed Rapid 2026 (U12) | Rapid | 2026-02-14 | 2026-02-14 | Cape Town (WCT) | 6 | 1235.3 | 6 | 3 | 1232.7 | 0 | Details |
| 2 | Overberg Schools Open Championship 2026 (U11) | Rapid | 2026-01-31 | 2026-01-31 | Overberg (WOS) | 6 | 1235.3 | 6 | 3 | 1323.4 | 0 | Details |
| 3 | Kingsway Chess Open 2025 (U10) | Rapid | 2025-09-20 | 2025-09-20 | Overberg (WOS) | 6 | 1228 | 6 | 3 | 1289.6 | 0 | Details |
| 4 | Kleinmond Chess Club Open 2025 (U10) | Rapid | 2025-08-30 | 2025-08-30 | Overberg (WOS) | 6 | 1220.9 | 6 | 3 | 1282.2 | 0 | Details |
| 5 | Overberg Top Schools 2025 (U11) | Standard | 2025-08-02 | 2025-08-02 | Overberg (WOS) | 3 | 1220.9 | 3 | 1 | 1199 | 0 | Details |
| 6 | Brave Knights Rapid 2025 (U11) | Rapid | 2025-05-03 | 2025-05-03 | Cape Winelands (WCW) | 6 | 1226.3 | 6 | 2 | 1193.2 | 0 | Details |
| 7 | Overberg Schools - PS Closed 2025 (U11 Boys) | Standard | 2025-03-08 | 2025-03-08 | Overberg (WOS) | 5 | 1235 | 5 | 2 | 1193.2 | 0 | Details |
| 8 | Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys) | Rapid | 2025-02-22 | 2025-02-22 | Overberg (WOS) | 6 | 1177 | 6 | 3 | 1229.7 | 0 | Details |
| 9 | Curro Hermanus Summer Open 2025 (U11) | Rapid | 2025-02-08 | 2025-02-08 | Overberg (WOS) | 6 | 1177 | 6 | 3.5 | 1266 | 0 | Details |
| 10 | Overberg Schools & Federation Open 2025 (U11) | Rapid | 2025-02-01 | 2025-02-01 | Overberg (WOS) | 6 | 1177 | 6 | 4 | 1414.9 | 0 | Details |
| 11 | Overberg GP Invitational Day 2 2024 (C) | Standard | 2024-09-27 | 2024-09-27 | Overberg (WOS) | 5 | 1222.4 | 4 | 1 | 1132.7 | 0 | Details |
| 12 | Overberg GP Invitational Day 1 2024 (C) | Standard | 2024-09-26 | 2024-09-26 | Overberg (WOS) | 5 | 1222.4 | 4 | 1 | 1061.9 | 0 | Details |
| 13 | Kleinmond Chess Club Open 2024 (U10) | Rapid | 2024-09-07 | 2024-09-07 | Overberg (WOS) | 6 | 1222.4 | 6 | 3 | 1220.9 | 0 | Details |
| 14 | Western Cape Top Schools Championship 2024 (U9 Mixed) | Standard | 2024-08-30 | 2024-09-01 | Eden (WEG) | 6 | 1222.4 | 5 | 2 | 1167.7 | 0 | Details |
| 15 | Overberg Schools - Top Schools 2024 (U7+U9 Mixed) | Standard | 2024-07-27 | 2024-07-27 | Overberg (WOS) | 5 | 1126.3 | 5 | 5 | 1572.1 | 0 | Details |
| 16 | Western Cape PS Individuals Championship 2024 (U9 Boys) | Standard | 2024-05-04 | 2024-05-05 | West Coast (WCU) | 6 | 1134.1 | 6 | 1.5 | 1098.9 | 0 | Details |
| 17 | Hermanus Chess Club Open 2024 (Development) | Rapid | 2024-04-20 | 2024-04-20 | Overberg (WOS) | 7 | 1132.4 | 7 | 3 | 1148.5 | 0 | Details |
| 18 | Overberg Schools - PS Closed 2024 (U9 Boys) | Standard | 2024-03-16 | 2024-03-16 | Overberg (WOS) | 5 | 1117 | 5 | 2.5 | 1201.7 | 0 | Details |
| 19 | Overberg Schools - PS Trials Region 3 2024 (U9 Boys) | Rapid | 2024-03-02 | 2024-03-02 | Overberg (WOS) | 5 | 1117 | 5 | 2 | 1106.6 | 0 | Details |
| 20 | Overberg Open Rapid 2024 (U7+U9) | Rapid | 2024-01-27 | 2024-01-27 | Overberg (WOS) | 5 | 1123.4 | 5 | 1.5 | 1054.4 | 0 | Details |
| 21 | Kingsway Open 2023 (U8) | Rapid | 2023-10-28 | 2023-10-28 | Overberg (WOS) | 5 | 1141.8 | 5 | 1 | 963.3 | 0 | Details |
| 22 | Overberg Top Schools 2023 (U7+U9) | Standard | 2023-08-05 | 2023-08-05 | Overberg (WOS) | 5 | 1167.5 | 5 | 1.5 | 1029 | 0 | Details |
| 23 | Hermanus Rapid 2023 (C) | Rapid | 2023-04-22 | 2023-04-22 | Overberg (WOS) | 6 | 1200 | 6 | 1.5 | 963.9 | 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 | 18 |
| Wins | 10 |
| Draws | 0 |
| Losses | 8 |
| White | 10 |
| Black | 8 |
| White wins | 6 |
| Black wins | 4 |
| Score | 10 |
| Percent | 55.6 |
| Dp | 47.2 |
| AOR | 1270.2 |
| Performance | 1317.4 |
Game statistics (History)
| Games | 130 |
| Wins | 54 |
| Draws | 8 |
| Losses | 68 |
| White | 67 |
| Black | 63 |
| White wins | 31 |
| Black wins | 23 |
| Score | 58 |
| Percent | 44.6 |
| Dp | -45.8 |
| AOR | 1248.3 |
| Performance | 1202.5 |
Rankings (Main)
| National | |
| Overall | 8578 |
| Gender | 6954 |
| Age group | 903 |
| Gender/Age | 707 |
| Provincial | |
| Overall | 2471 |
| Gender | 1910 |
| Age group | 304 |
| Gender/Age | 221 |
| Regional | |
| Overall | 174 |
| Gender | 116 |
| Age group | 27 |
| Gender/Age | 17 |
Rankings (Standard)
| National | |
| Overall | 11967 |
| Gender | 9104 |
| Age group | 1630 |
| Gender/Age | 1185 |
| Provincial | |
| Overall | 3449 |
| Gender | 2506 |
| Age group | 542 |
| Gender/Age | 365 |
| Regional | |
| Overall | 224 |
| Gender | 138 |
| Age group | 34 |
| Gender/Age | 20 |
Rankings (Rapid)
| National | |
| Overall | 3088 |
| Gender | 2483 |
| Age group | 414 |
| Gender/Age | 319 |
| Provincial | |
| Overall | 1270 |
| Gender | 1003 |
| Age group | 174 |
| Gender/Age | 126 |
| Regional | |
| Overall | 163 |
| Gender | 112 |
| Age group | 23 |
| Gender/Age | 15 |
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 | 18 |
| Score | 10 |
| Percent | 55.6 |
| Aor | 1270.2 |
| Dp | 47.2 |
| Prat | 1317.4 |
Performance (12 months)
| Games | 44 |
| Score | 21 |
| Percent | 47.7 |
| Aor | 1289 |
| Dp | -19.3 |
| Prat | 1269.7 |
Performance (History)
| Games | 130 |
| Score | 58 |
| Percent | 44.6 |
| Aor | 1248.3 |
| Dp | -45.8 |
| Prat | 1202.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Du Preez, J (Janco) | 4 | 2 | 2 | Overberg Top Schools 2023 (U7+U9) | Kingsway Chess Open 2025 (U10) | Details |
| Overall | 2 | Coetzer, H (Hanro) | 4 | 2 | 2 | Overberg GP Invitational Day 1 2024 (C) | Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys) | Details |
| Overall | 3 | Lingenfelder, S (Stephanus) | 4 | 2 | 2 | Overberg Top Schools 2023 (U7+U9) | Overberg Schools Open Championship 2026 (U11) | Details |
| Overall | 4 | Buhr, H (Heinrich) | 3 | 1 | 2 | Overberg GP Invitational Day 1 2024 (C) | Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys) | Details |
| Overall | 5 | Otto, X (Xavier) | 3 | 3 | 0 | Overberg Schools - PS Closed 2024 (U9 Boys) | Overberg Schools Primary School Trials (Region 1) 2026 (U11 Boys) | Details |
| Standard | 1 | Rasekgololo, B (Bandile) | 2 | 1 | 1 | Overberg GP Invitational Day 1 2024 (C) | Overberg GP Invitational Day 2 2024 (C) | Details |
| Standard | 2 | Buhr, H (Heinrich) | 2 | 1 | 1 | Overberg GP Invitational Day 1 2024 (C) | Overberg GP Invitational Day 2 2024 (C) | Details |
| Standard | 3 | Coetzer, H (Hanro) | 2 | 1 | 1 | Overberg GP Invitational Day 1 2024 (C) | Overberg GP Invitational Day 2 2024 (C) | Details |
| Standard | 4 | Lingenfelder, S (Stephanus) | 2 | 0 | 2 | Overberg Top Schools 2023 (U7+U9) | Western Cape PS Individuals Championship 2024 (U9 Boys) | Details |
| Standard | 5 | Marais, J (Janli) | 2 | 0 | 2 | Overberg Schools - Top Schools 2024 (U7+U9 Mixed) | Western Cape Top Schools Championship 2024 (U9 Mixed) | Details |
| Rapid | 1 | Du Preez, J (Janco) | 3 | 1 | 2 | Kingsway Open 2023 (U8) | Kingsway Chess Open 2025 (U10) | Details |
| Rapid | 2 | Abrahams, K (Kaylin) | 2 | 0 | 2 | Kingsway Open 2023 (U8) | Overberg Open Rapid 2024 (U7+U9) | Details |
| Rapid | 3 | Collins, M (Marius) | 2 | 1 | 1 | Curro Hermanus Summer Open 2025 (U11) | Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys) | Details |
| Rapid | 4 | Badenhorst, R (Rouxan) | 2 | 1 | 1 | Kingsway Chess Open 2025 (U10) | Overberg Schools Primary School Trials (Region 1) 2026 (U11 Boys) | Details |
| Rapid | 5 | Houghton, M (Matthew) | 2 | 0 | 2 | Kingsway Chess Open 2025 (U10) | Overberg Schools Primary School Trials (Region 1) 2026 (U11 Boys) | Details |