PLAYER PAGE
Roland Chester Willenberg
161042919Cape Town (WCT)Personal
Main rating
| Rating | 1745.6 |
| K-factor | 28 |
| Floor | 1246.7 |
| Highest | 1746.7 (2018-01-01) |
| Min/Max +/- allowed | 76 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1567 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1745.6 |
| K-factor | 28 |
| Floor | 1246.7 |
| Highest | 1746.7 (2018-01-01) |
| Min/Max +/- allowed | 76.1 |
Standard rating
| Rating | 1729.8 |
| K-factor | 28 |
| Floor | 1246.7 |
| Highest | 1746.7 (2018-01-01) |
| Min/Max +/- allowed | 76.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1603.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1729.8 |
| K-factor | 28 |
| Floor | 1246.7 |
| Highest | 1746.7 (2018-01-01) |
| Min/Max +/- allowed | 76.1 |
Rapid rating
| Rating | 1636.8 |
| K-factor | 28 |
| Floor | 1246.7 |
| Highest | 1746.7 (2018-01-01) |
| Min/Max +/- allowed | 76.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1523.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1636.8 |
| K-factor | 28 |
| Floor | 1246.7 |
| Highest | 1746.7 (2018-01-01) |
| Min/Max +/- allowed | 76.1 |
Blitz rating
| Rating | 1623.7 |
| K-factor | 28 |
| Floor | 1246.7 |
| Highest | 1746.7 (2018-01-01) |
| Min/Max +/- allowed | 76.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1235.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1623.7 |
| K-factor | 28 |
| Floor | 1246.7 |
| Highest | 1746.7 (2018-01-01) |
| Min/Max +/- allowed | 76.1 |
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 | Cape Town Chess Federation Club League 2025 (A) | Classical | 2025-07-26 | 2025-09-27 | Cape Town (WCT) | 11 | 1670 | 11 | 8.5 | 1883.4 | 0 | Details |
| 2 | 4th Curro Durbanville Rapid Open 2025 (Advanced) | Rapid | 2025-07-19 | 2025-07-19 | Cape Town (WCT) | 7 | 1670.1 | 7 | 4.5 | 1685.4 | 0 | Details |
| 3 | Bellville Rapid 2025 (A) | Rapid | 2025-06-07 | 2025-06-07 | Cape Town (WCT) | 6 | 1670.1 | 6 | 3 | 1643.2 | 0 | Details |
| 4 | Cape Town Open Chess Festival 2025 (B) | Standard | 2025-03-22 | 2025-03-23 | Cape Town (WCT) | 6 | 1673.7 | 6 | 4 | 1613.7 | 0 | Details |
| 5 | Cape Town Open Chess Festival 2025 (Team Blitz) | Blitz | 2025-03-21 | 2025-03-21 | Cape Town (WCT) | 6 | 1673.7 | 5 | 2 | 1530.6 | 0 | Details |
| 6 | Steinitz Festival 2025 (Open) | Rapid | 2025-03-15 | 2025-03-15 | Cape Town (WCT) | 7 | 1673.7 | 7 | 5 | 1754.7 | 0 | Details |
| 7 | Western Cape Closed 2025 (B) | Standard | 2025-03-08 | 2025-03-09 | Cape Town (WCT) | 6 | 1673.7 | 6 | 4.5 | 1700.8 | 0 | Details |
| 8 | Cape of Good Hope Open 2025 (Advanced) | Standard | 2025-02-22 | 2025-02-23 | Cape Town (WCT) | 6 | 1651.6 | 6 | 5 | 1784.9 | 0 | Details |
| 9 | Cape Town Masters Challenge 2025 (Advanced) | Classical | 2025-01-06 | 2025-01-11 | Cape Town (WCT) | 9 | 1615.3 | 9 | 5.5 | 1593.3 | 0 | Details |
| 10 | 2025 Kraaifontein Open Chess Championships (Rapid Open) | Rapid | 2025-01-05 | 2025-01-05 | Cape Town (WCT) | 6 | 1615.3 | 6 | 3.5 | 1561.7 | 0 | Details |
| 11 | Rylib Summer Slam 2024 (Intermediate) | Rapid | 2024-12-03 | 2024-12-03 | Cape Town (WCT) | 6 | 1621.4 | 6 | 3.5 | 1556.2 | 0 | Details |
| 12 | Western Cape Club Championship 2024 (Tier 2) | Standard | 2024-10-25 | 2024-10-27 | Cape Town (WCT) | 5 | 1646.6 | 3 | 2.5 | 1665.4 | 0 | Details |
| 13 | UCT Open Chess Championship 2024 (Open Rapid) | Rapid | 2024-10-12 | 2024-10-13 | Cape Town (WCT) | 6 | 1646.6 | 6 | 4 | 1366 | 0 | Details |
| 14 | CT League 2024 (A) | Classical | 2024-07-20 | 2024-09-07 | Cape Town (WCT) | 11 | 1690.3 | 1 | 1 | 2205.1 | 0 | Details |
| 15 | CT League 2024 (B) | Classical | 2024-07-20 | 2024-09-07 | Cape Town (WCT) | 11 | 1690.3 | 10 | 4.5 | 1488.4 | 0 | Details |
| 16 | Steinitz Chess Festival 2024 (Open) | Standard | 2024-05-10 | 2024-05-12 | Cape Town (WCT) | 6 | 1687.4 | 6 | 4.5 | 1701.2 | 0 | Details |
| 17 | Hermanus Chess Club Open 2024 (Advanced) | Rapid | 2024-04-20 | 2024-04-20 | Overberg (WOS) | 7 | 1683.7 | 7 | 4 | 1634.8 | 0 | Details |
| 18 | Hermanus Chess Club Open 2024 (Blitz) | Blitz | 2024-04-19 | 2024-04-19 | Overberg (WOS) | 7 | 1683.7 | 6 | 4 | 1506.6 | 0 | Details |
| 19 | South African Closed Chess Championship 2024 (Seniors) | Classical | 2024-03-25 | 2024-04-02 | Cape Town (WCT) | 11 | 1683.7 | 11 | 5 | 1722.6 | 0 | Details |
| 20 | Steinitz Club Team Blitz Championship 2024 | Blitz | 2024-02-15 | 2024-02-15 | Cape Town (WCT) | 7 | 1644 | 5 | 2 | 1653.4 | 0 | Details |
| 21 | Cape of Good Hope Open Chess Tournament 2024 (Open) | Rapid | 2024-02-18 | 2024-02-18 | Cape Town (WCT) | 6 | 1644 | 6 | 5.5 | 1979.5 | 0 | Details |
| 22 | Cape Town Masters Challenge 2024 (Advanced) | Classical | 2024-01-03 | 2024-01-07 | Cape Town (WCT) | 7 | 1627.2 | 7 | 4.5 | 1693.4 | 0 | Details |
| 23 | Kraaifontein Open 2023 (Adanced) | Standard | 2023-12-09 | 2023-12-10 | Cape Town (WCT) | 6 | 1646.2 | 6 | 3.5 | 1533.9 | 0 | Details |
| 24 | WP Club League 2023 (A) | Classical | 2023-07-29 | 2023-09-09 | Cape Town (WCT) | 11 | 1664.4 | 1 | 0.5 | 1571.7 | 0 | Details |
| 25 | WP Club League 2023 (B) | Classical | 2023-07-29 | 2023-09-09 | Cape Town (WCT) | 11 | 1664.4 | 9 | 5.5 | 1621.4 | 0 | Details |
| 26 | WP Closed 2023 (B) | Classical | 2023-06-15 | 2023-06-18 | Cape Town (WCT) | 7 | 1624.7 | 7 | 4.5 | 1782.7 | 0 | Details |
| 27 | GPCA Rapid 2023 (Advanced) | Rapid | 2023-06-24 | 2023-06-24 | Cape Town (WCT) | 7 | 1624.7 | 7 | 5.5 | 1653 | 0 | Details |
| 28 | Steinitz Open 2023 (A+B) | Standard | 2023-05-26 | 2023-05-28 | Cape Town (WCT) | 6 | 1620.2 | 6 | 3.5 | 1642.7 | 0 | Details |
| 29 | Hermanus Rapid 2023 (A) | Rapid | 2023-04-22 | 2023-04-22 | Overberg (WOS) | 6 | 1614.8 | 6 | 2 | 1591.6 | 0 | Details |
| 30 | Midas Paints Chess Cup Term 2 2023 (Open) | Rapid | 2023-04-15 | 2023-04-15 | Cape Winelands (WCW) | 6 | 1614.8 | 6 | 4 | 1726.4 | 0 | Details |
| 31 | Casuarina International 2023 (Rapid) | Rapid | 2023-03-11 | 2023-03-12 | Cape Town (WCT) | 6 | 1602.9 | 2 | 1 | 1748.3 | 0 | Details |
| 32 | Casuarina International 2023 (Blitz) | Blitz | 2023-03-11 | 2023-03-11 | Cape Town (WCT) | 9 | 1602.9 | 9 | 5 | 1648.9 | 0 | Details |
| 33 | Cape Town Open 2023 (Rapid) | Rapid | 2023-03-26 | 2023-03-26 | Cape Town (WCT) | 6 | 1602.9 | 6 | 5 | 1626.5 | 0 | Details |
| 34 | Courtrai Midas Rapid 2023 (Open) | Rapid | 2023-03-04 | 2023-03-04 | Cape Winelands (WCW) | 6 | 1602.9 | 5 | 2.5 | 1603.3 | 0 | Details |
| 35 | Summer Slam 2022 (A) | Rapid | 2022-12-13 | 2022-12-13 | Cape Town (WCT) | 6 | 1612.7 | 6 | 3 | 1465.2 | 0 | Details |
| 36 | Kraaifontein Rapid Open 2022 (Open) | Rapid | 2022-12-16 | 2022-12-16 | Cape Town (WCT) | 6 | 1612.7 | 4 | 4 | 1650 | 0 | Details |
| 37 | Western Cape Club Championship 2022 (Tier 2) | Standard | 2022-10-07 | 2022-10-09 | Cape Town (WCT) | 6 | 1633.3 | 5 | 3 | 1632.7 | 0 | Details |
| 38 | 2022 Western Province Club League (B) | Classical | 2022-08-20 | 2022-10-01 | Cape Town (WCT) | 11 | 1633.3 | 11 | 6.5 | 1592.9 | 0 | Details |
| 39 | South African Open 2022 (Championship) | Classical | 2022-07-09 | 2022-07-17 | Cape Town (WCT) | 11 | 1626 | 11 | 4.5 | 1656.8 | 0 | Details |
| 40 | WP Closed 2022 (B) | Classical | 2022-06-16 | 2022-06-16 | Cape Town (WCT) | 7 | 1570.7 | 7 | 4.5 | 1804.8 | 0 | Details |
| 41 | Steinitz Individual Rapid 2022 | Rapid | 2022-06-10 | 2022-06-10 | Cape Town (WCT) | 6 | 1570.7 | 6 | 3.5 | 1575.1 | 0 | Details |
| 42 | Steinitz Open 2022 (A) | Standard | 2022-05-20 | 2022-05-22 | Cape Town (WCT) | 6 | 1579.6 | 6 | 1.5 | 1559.1 | 0 | Details |
| 43 | Kraaifontein Open 2022 (Championship) | Standard | 2022-01-07 | 2022-01-09 | Cape Town (WCT) | 6 | 1624.3 | 6 | 0.5 | 1384.6 | 0 | Details |
| 44 | Nelson Mandela Rapid 2020 (Open) | Rapid | 2020-02-01 | 2020-02-01 | Cape Town (WCT) | 6 | 1622.2 | 5 | 2.5 | 1650.6 | 0 | Details |
| 45 | 2019 South African Closed Chess Championships (Senior) | Classical | 2019-12-07 | 2019-12-17 | Cape Town (WCT) | 11 | 1585 | 10 | 4.5 | 1703.1 | 0 | Details |
| 46 | 2019 Western Province League (B) | Classical | 2019-07-27 | 2019-09-07 | Cape Town (WCT) | 11 | 1650.8 | 10 | 6 | 1433.7 | 0 | Details |
| 47 | 2019 Western Province League (C) | Classical | 2019-07-27 | 2019-09-07 | Cape Town (WCT) | 11 | 1650.8 | 1 | 1 | 1905.8 | 0 | Details |
| 48 | 2019 National Club Chess Championships (A) | Classical | 2019-09-27 | 2019-09-29 | Cape Town (WCT) | 6 | 1650.8 | 6 | 3 | 1553.3 | 0 | Details |
| 49 | Stellenberg Youth Chess Championship 2019 (Presige) | Rapid | 2019-05-01 | 2019-05-01 | Cape Town (WCT) | 6 | 1627.4 | 6 | 3 | 1832.3 | 0 | Details |
| 50 | Steinitz Chess Festival 2019 (A) | Standard | 2019-04-05 | 2019-04-07 | Cape Town (WCT) | 6 | 1629.3 | 6 | 2 | 1618.9 | 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 | 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 (History)
| Games | 399 |
| Wins | 180 |
| Draws | 94 |
| Losses | 125 |
| White | 203 |
| Black | 196 |
| White wins | 106 |
| Black wins | 74 |
| Score | 227 |
| Percent | 56.9 |
| Dp | 58.6 |
| AOR | 1566.9 |
| Performance | 1625.5 |
Rankings (Main)
| National | |
| Overall | 351 |
| Gender | 333 |
| Age group | 39 |
| Gender/Age | 39 |
| Provincial | |
| Overall | 111 |
| Gender | 108 |
| Age group | 20 |
| Gender/Age | 20 |
| Regional | |
| Overall | 88 |
| Gender | 86 |
| Age group | 17 |
| Gender/Age | 17 |
Rankings (Standard)
| National | |
| Overall | 381 |
| Gender | 360 |
| Age group | 41 |
| Gender/Age | 41 |
| Provincial | |
| Overall | 116 |
| Gender | 110 |
| Age group | 19 |
| Gender/Age | 19 |
| Regional | |
| Overall | 95 |
| Gender | 90 |
| Age group | 15 |
| Gender/Age | 15 |
Rankings (Rapid)
| National | |
| Overall | 118 |
| Gender | 116 |
| Age group | 24 |
| Gender/Age | 24 |
| Provincial | |
| Overall | 58 |
| Gender | 56 |
| Age group | 14 |
| Gender/Age | 14 |
| Regional | |
| Overall | 43 |
| Gender | 42 |
| Age group | 11 |
| Gender/Age | 11 |
Rankings (Blitz)
| National | |
| Overall | 84 |
| Gender | 83 |
| Age group | 14 |
| Gender/Age | 14 |
| Provincial | |
| Overall | 38 |
| Gender | 37 |
| Age group | 8 |
| Gender/Age | 8 |
| Regional | |
| Overall | 25 |
| Gender | 24 |
| Age group | 6 |
| Gender/Age | 6 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 48 |
| Score | 31.5 |
| Percent | 65.6 |
| Aor | 1579.6 |
| Dp | 132.8 |
| Prat | 1712.4 |
Performance (History)
| Games | 399 |
| Score | 227 |
| Percent | 56.9 |
| Aor | 1566.9 |
| Dp | 58.6 |
| Prat | 1625.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Southey, AM (Andrew Mcnab) | 7 | 5 | 2 | Steinitz Chess Festival 2019 (A) | Cape Town Chess Federation Club League 2025 (A) | Details |
| Overall | 2 | Willenberg, GI (Glen Ivan) | 7 | 3 | 4 | 2019 South African Closed Chess Championships (Senior) | Steinitz Chess Festival 2024 (Open) | Details |
| Overall | 3 | Schuller, A (Ashley Marlon) | 7 | 3 | 4 | Steinitz Open 2022 (A) | Hermanus Chess Club Open 2024 (Advanced) | Details |
| Overall | 4 | Lewis, MMM (Mark Martin) | 6 | 4 | 2 | Eldo Smart Memorial Rapid Tournament 2018 | South African Closed Chess Championship 2024 (Seniors) | Details |
| Overall | 5 | Goredema, D (Dione) | 5 | 2 | 3 | WP Team Blitz 2018 (B) | WP Closed 2022 (B) | Details |
| Standard | 1 | Southey, AM (Andrew Mcnab) | 5 | 4 | 1 | Steinitz Chess Festival 2019 (A) | Cape Town Chess Federation Club League 2025 (A) | Details |
| Standard | 2 | Galleid, S (Stephen) | 4 | 1 | 3 | 2019 South African Closed Chess Championships (Senior) | South African Closed Chess Championship 2024 (Seniors) | Details |
| Standard | 3 | Ohlson, C (Cecil) | 4 | 1 | 3 | 2019 South African Closed Chess Championships (Senior) | South African Closed Chess Championship 2024 (Seniors) | Details |
| Standard | 4 | Willenberg, GI (Glen Ivan) | 3 | 2 | 1 | 2019 South African Closed Chess Championships (Senior) | Steinitz Chess Festival 2024 (Open) | Details |
| Standard | 5 | Pick, DD (Deon Derick) | 3 | 1 | 2 | PHBS Rememberance Tournament 2018 (Open) | 2019 South African Closed Chess Championships (Senior) | Details |
| Rapid | 1 | Schuller, A (Ashley Marlon) | 5 | 2 | 3 | Steinitz Individual Rapid 2022 | Hermanus Chess Club Open 2024 (Advanced) | Details |
| Rapid | 2 | Lewis, MMM (Mark Martin) | 4 | 2 | 2 | Eldo Smart Memorial Rapid Tournament 2018 | Midas Paints Chess Cup Term 2 2023 (Open) | Details |
| Rapid | 3 | Willenberg, GI (Glen Ivan) | 4 | 1 | 3 | Courtrai Midas Rapid 2023 (Open) | Hermanus Chess Club Open 2024 (Advanced) | Details |
| Rapid | 4 | Swarts, P (Paul) | 3 | 1 | 2 | Cape of Good Hope Open Chess Tournament 2024 (Open) | Bellville Rapid 2025 (A) | Details |
| Rapid | 5 | Bhawoodien, SH (Shabier Husain) | 3 | 2 | 1 | Drakenstein Dragons Rapid 2018 (Open) | 2019 Cape Town Classic Chess Festival (Rapid) | Details |
| Blitz | 1 | Goredema, D (Dione) | 2 | 0 | 2 | WP Team Blitz 2018 (B) | 2019 Cape Town Classic Chess Festival (Blitz) | Details |