PLAYER PAGE
Albert Rock
1150154665Overberg (WOS)Personal
Main rating
| Rating | 1238.7 |
| K-factor | 36 |
| Floor | 796.9 |
| Highest | 1296.9 (2026-03-01) |
| Min/Max +/- allowed | 144 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1162.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1238.7 |
| K-factor | 36 |
| Floor | 796.9 |
| Highest | 1296.9 (2026-03-01) |
| Min/Max +/- allowed | 144.4 |
Standard rating
| Rating | 1161.4 |
| 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 | 1092 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1161.4 |
| K-factor | 36 |
| Floor | 736 |
| Highest | 1273.9 (2024-07-01) |
| Min/Max +/- allowed | 149.2 |
Rapid rating
| Rating | 1266.2 |
| K-factor | 36 |
| Floor | 789.9 |
| Highest | 1289.9 (2026-03-01) |
| Min/Max +/- allowed | 145.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1231.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1266.2 |
| K-factor | 36 |
| Floor | 789.9 |
| Highest | 1289.9 (2026-03-01) |
| Min/Max +/- allowed | 145.9 |
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 |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Curro Hermanus Winter Open 2026 (U11) | Rapid | 2026-06-20 | 2026-06-20 | Overberg (WOS) | 6 | 1244.4 | 6 | 3 | 1188.5 | -5.7 | Details |
| 2 | 2026 WCSC PS Individual Championship (U11 Boys) | Standard | 2026-05-16 | 2026-05-17 | Overberg (WOS) | 6 | 1296.9 | 6 | 1 | 1048.4 | -52.5 | Details |
| 3 | Overberg Schools Primary School Closed 2026 (U11 Boys) | Standard | 2026-03-21 | 2026-03-21 | Overberg (WOS) | 5 | 1246.9 | 5 | 3 | 1409 | 27.1 | Details |
| 4 | 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 |
| 5 | Laerskool Welgemoed Rapid 2026 (U12) | Rapid | 2026-02-14 | 2026-02-14 | Cape Town (WCT) | 6 | 1235.3 | 6 | 3 | 1232.7 | -1.1 | Details |
| 6 | Overberg Schools Open Championship 2026 (U11) | Rapid | 2026-01-31 | 2026-01-31 | Overberg (WOS) | 6 | 1235.3 | 6 | 3 | 1323.4 | 4 | Details |
| 7 | Kingsway Chess Open 2025 (U10) | Rapid | 2025-09-20 | 2025-09-20 | Overberg (WOS) | 6 | 1228 | 6 | 3 | 1289.6 | 4 | Details |
| 8 | Kleinmond Chess Club Open 2025 (U10) | Rapid | 2025-08-30 | 2025-08-30 | Overberg (WOS) | 6 | 1220.9 | 6 | 3 | 1282.2 | 4.6 | Details |
| 9 | Overberg Top Schools 2025 (U11) | Standard | 2025-08-02 | 2025-08-02 | Overberg (WOS) | 3 | 1220.9 | 3 | 1 | 1199 | -0.7 | Details |
| 10 | Brave Knights Rapid 2025 (U11) | Rapid | 2025-05-03 | 2025-05-03 | Cape Winelands (WCW) | 6 | 1226.3 | 6 | 2 | 1193.2 | -3 | Details |
| 11 | Overberg Schools - PS Closed 2025 (U11 Boys) | Standard | 2025-03-08 | 2025-03-08 | Overberg (WOS) | 5 | 1235 | 5 | 2 | 1193.2 | -4.8 | Details |
| 12 | Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys) | Rapid | 2025-02-22 | 2025-02-22 | Overberg (WOS) | 6 | 1177 | 6 | 3 | 1229.7 | 4.5 | Details |
| 13 | Curro Hermanus Summer Open 2025 (U11) | Rapid | 2025-02-08 | 2025-02-08 | Overberg (WOS) | 6 | 1177 | 6 | 3.5 | 1266 | 7.6 | Details |
| 14 | Overberg Schools & Federation Open 2025 (U11) | Rapid | 2025-02-01 | 2025-02-01 | Overberg (WOS) | 6 | 1177 | 6 | 4 | 1414.9 | 20.2 | Details |
| 15 | Overberg GP Invitational Day 2 2024 (C) | Standard | 2024-09-27 | 2024-09-27 | Overberg (WOS) | 5 | 1222.4 | 4 | 1 | 1132.7 | -7 | Details |
| 16 | Overberg GP Invitational Day 1 2024 (C) | Standard | 2024-09-26 | 2024-09-26 | Overberg (WOS) | 5 | 1222.4 | 4 | 1 | 1061.9 | -12.6 | Details |
| 17 | Kleinmond Chess Club Open 2024 (U10) | Rapid | 2024-09-07 | 2024-09-07 | Overberg (WOS) | 6 | 1222.4 | 6 | 3 | 1220.9 | -1 | Details |
| 18 | Western Cape Top Schools Championship 2024 (U9 Mixed) | Standard | 2024-08-30 | 2024-09-01 | Eden (WEG) | 6 | 1222.4 | 5 | 2 | 1167.7 | -4.6 | Details |
| 19 | Overberg Schools - Top Schools 2024 (U7+U9 Mixed) | Standard | 2024-07-27 | 2024-07-27 | Overberg (WOS) | 5 | 1126.3 | 5 | 5 | 1572.1 | 42.8 | Details |
| 20 | 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 | -4.3 | Details |
| 21 | Hermanus Chess Club Open 2024 (Development) | Rapid | 2024-04-20 | 2024-04-20 | Overberg (WOS) | 7 | 1132.4 | 7 | 3 | 1148.5 | 0.9 | Details |
| 22 | Overberg Schools - PS Closed 2024 (U9 Boys) | Standard | 2024-03-16 | 2024-03-16 | Overberg (WOS) | 5 | 1117 | 5 | 2.5 | 1201.7 | 8.8 | Details |
| 23 | Overberg Schools - PS Trials Region 3 2024 (U9 Boys) | Rapid | 2024-03-02 | 2024-03-02 | Overberg (WOS) | 5 | 1117 | 5 | 2 | 1106.6 | -0.2 | Details |
| 24 | Overberg Open Rapid 2024 (U7+U9) | Rapid | 2024-01-27 | 2024-01-27 | Overberg (WOS) | 5 | 1123.4 | 5 | 1.5 | 1054.4 | -3.6 | Details |
| 25 | Kingsway Open 2023 (U8) | Rapid | 2023-10-28 | 2023-10-28 | Overberg (WOS) | 5 | 1141.8 | 5 | 1 | 963.3 | -10.4 | Details |
| 26 | Overberg Top Schools 2023 (U7+U9) | Standard | 2023-08-05 | 2023-08-05 | Overberg (WOS) | 5 | 1167.5 | 5 | 1.5 | 1029 | -14.3 | Details |
| 27 | Hermanus Rapid 2023 (C) | Rapid | 2023-04-22 | 2023-04-22 | Overberg (WOS) | 6 | 1200 | 6 | 1.5 | 963.9 | -18 | 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 | 35 |
| Wins | 17 |
| Draws | 0 |
| Losses | 18 |
| White | 19 |
| Black | 16 |
| White wins | 11 |
| Black wins | 6 |
| Score | 17 |
| Percent | 48.6 |
| Dp | -12.1 |
| AOR | 1274.4 |
| Performance | 1262.3 |
Game statistics (History)
| Games | 147 |
| Wins | 61 |
| Draws | 8 |
| Losses | 78 |
| White | 76 |
| Black | 71 |
| White wins | 36 |
| Black wins | 25 |
| Score | 65 |
| Percent | 44.2 |
| Dp | -49.1 |
| AOR | 1251.8 |
| Performance | 1202.7 |
Rankings (Main)
| National | |
| Overall | 9875 |
| Gender | 7892 |
| Age group | 1209 |
| Gender/Age | 913 |
| Provincial | |
| Overall | 2821 |
| Gender | 2161 |
| Age group | 374 |
| Gender/Age | 264 |
| Regional | |
| Overall | 198 |
| Gender | 135 |
| Age group | 32 |
| Gender/Age | 23 |
Rankings (Standard)
| National | |
| Overall | 12863 |
| Gender | 9669 |
| Age group | 1898 |
| Gender/Age | 1340 |
| Provincial | |
| Overall | 3785 |
| Gender | 2728 |
| Age group | 619 |
| Gender/Age | 409 |
| Regional | |
| Overall | 257 |
| Gender | 153 |
| Age group | 36 |
| Gender/Age | 23 |
Rankings (Rapid)
| National | |
| Overall | 2743 |
| Gender | 2243 |
| Age group | 415 |
| Gender/Age | 329 |
| Provincial | |
| Overall | 1099 |
| Gender | 880 |
| Age group | 174 |
| Gender/Age | 129 |
| Regional | |
| Overall | 143 |
| Gender | 96 |
| Age group | 23 |
| Gender/Age | 16 |
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 | 35 |
| Score | 17 |
| Percent | 48.6 |
| Aor | 1274.4 |
| Dp | -12.1 |
| Prat | 1262.3 |
Performance (12 months)
| Games | 50 |
| Score | 24 |
| Percent | 48 |
| Aor | 1281.2 |
| Dp | -17 |
| Prat | 1264.2 |
Performance (History)
| Games | 147 |
| Score | 65 |
| Percent | 44.2 |
| Aor | 1251.8 |
| Dp | -49.1 |
| Prat | 1202.7 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Lingenfelder, S (Stephanus) | 6 | 3 | 3 | Overberg Top Schools 2023 (U7+U9) | 2026 WCSC PS Individual Championship (U11 Boys) | Details |
| Overall | 2 | Du Preez, J (Janco) | 4 | 2 | 2 | Overberg Top Schools 2023 (U7+U9) | Kingsway Chess Open 2025 (U10) | Details |
| Overall | 3 | Coetzer, H (Hanro) | 4 | 2 | 2 | Overberg GP Invitational Day 1 2024 (C) | Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys) | Details |
| Overall | 4 | Barnard, A (Adam) | 3 | 2 | 1 | Overberg Schools & Federation Open 2025 (U11) | 2026 WCSC PS Individual Championship (U11 Boys) | Details |
| Overall | 5 | Buhr, H (Heinrich) | 3 | 1 | 2 | Overberg GP Invitational Day 1 2024 (C) | Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys) | Details |
| Standard | 1 | Lingenfelder, S (Stephanus) | 4 | 1 | 3 | Overberg Top Schools 2023 (U7+U9) | 2026 WCSC PS Individual Championship (U11 Boys) | 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 | Buhr, W (Wilhelm) | 2 | 1 | 1 | Overberg Top Schools 2023 (U7+U9) | Overberg Schools Primary School Closed 2026 (U11 Boys) | Details |
| Standard | 4 | Kuhn, D (Dian) | 2 | 1 | 1 | Overberg Schools - PS Closed 2024 (U9 Boys) | Overberg Schools Primary School Closed 2026 (U11 Boys) | Details |
| Standard | 5 | Fourie, D (David) | 2 | 2 | 0 | Overberg Schools - PS Closed 2025 (U11 Boys) | Overberg Schools Primary School Closed 2026 (U11 Boys) | Details |
| Rapid | 1 | Du Preez, J (Janco) | 3 | 1 | 2 | Kingsway Open 2023 (U8) | Kingsway Chess Open 2025 (U10) | Details |
| Rapid | 2 | Coetzer, H (Hanro) | 2 | 1 | 1 | Curro Hermanus Summer Open 2025 (U11) | Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys) | Details |
| Rapid | 3 | Poole, C (Cayden) | 2 | 2 | 0 | Kleinmond Chess Club Open 2024 (U10) | Kleinmond Chess Club Open 2025 (U10) | Details |
| Rapid | 4 | Collins, M (Marius) | 2 | 1 | 1 | Curro Hermanus Summer Open 2025 (U11) | Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys) | Details |
| Rapid | 5 | Abrahams, K (Kaylin) | 2 | 0 | 2 | Kingsway Open 2023 (U8) | Overberg Open Rapid 2024 (U7+U9) | Details |