PLAYER PAGE
Glen Ivan Willenberg
162042913Cape Town (WCT)Personal
Main rating
| Rating | 1787.7 |
| K-factor | 28 |
| Floor | 1290.8 |
| Highest | 1790.8 (2018-03-01) |
| Min/Max +/- allowed | 71 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1673.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1787.7 |
| K-factor | 28 |
| Floor | 1290.8 |
| Highest | 1790.8 (2018-03-01) |
| Min/Max +/- allowed | 71.5 |
Standard rating
| Rating | 1805.1 |
| K-factor | 24 |
| Floor | 1305.1 |
| Highest | 1819.7 (2018-02-01) |
| Min/Max +/- allowed | 68.6 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1674.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1805.1 |
| K-factor | 24 |
| Floor | 1305.1 |
| Highest | 1819.7 (2018-02-01) |
| Min/Max +/- allowed | 68.6 |
Rapid rating
| Rating | 1679.6 |
| K-factor | 28 |
| Floor | 1284.2 |
| Highest | 1784.2 (2018-03-01) |
| Min/Max +/- allowed | 72.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1720.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1679.6 |
| K-factor | 28 |
| Floor | 1284.2 |
| Highest | 1784.2 (2018-03-01) |
| Min/Max +/- allowed | 72.1 |
Blitz rating
| Rating | 1748.9 |
| K-factor | 28 |
| Floor | 1284.2 |
| Highest | 1784.2 (2018-01-01) |
| Min/Max +/- allowed | 72.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1369.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1748.9 |
| K-factor | 28 |
| Floor | 1284.2 |
| Highest | 1784.2 (2018-01-01) |
| Min/Max +/- allowed | 72.1 |
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 | Four Seasons Summer Slam 2025 (Championship) | Rapid | 2025-12-10 | 2025-12-10 | Cape Town (WCT) | 6 | 1777.1 | 6 | 3.5 | 1908.1 | 0 | Details |
| 2 | Cape Town Chess Federation Club League 2025 (A) | Classical | 2025-07-26 | 2025-09-27 | Cape Town (WCT) | 11 | 1756.7 | 11 | 8 | 1793.2 | 0 | Details |
| 3 | 4th Curro Durbanville Rapid Open 2025 (Advanced) | Rapid | 2025-07-19 | 2025-07-19 | Cape Town (WCT) | 7 | 1756.5 | 7 | 6 | 1897.4 | 0 | Details |
| 4 | Bellville Rapid 2025 (A) | Rapid | 2025-06-07 | 2025-06-07 | Cape Town (WCT) | 6 | 1756.5 | 6 | 2.5 | 1609.2 | 0 | Details |
| 5 | Rylib Autumn Slam 2025 (Championship) | Rapid | 2025-04-26 | 2025-04-26 | Cape Town (WCT) | 6 | 1734.8 | 5 | 2 | 1727.7 | 0 | Details |
| 6 | Hermanus Chess Club Open 2025 (Advanced) | Rapid | 2025-04-12 | 2025-04-12 | Overberg (WOS) | 7 | 1734.8 | 7 | 6 | 1921.1 | 0 | Details |
| 7 | Cape Town Open Chess Festival 2025 (B) | Standard | 2025-03-22 | 2025-03-23 | Cape Town (WCT) | 6 | 1690.9 | 6 | 4.5 | 1732.7 | 0 | Details |
| 8 | Cape Town Open Chess Festival 2025 (Team Blitz) | Blitz | 2025-03-21 | 2025-03-21 | Cape Town (WCT) | 6 | 1690.9 | 5 | 2 | 1652.6 | 0 | Details |
| 9 | Steinitz Festival 2025 (Open) | Rapid | 2025-03-15 | 2025-03-15 | Cape Town (WCT) | 7 | 1690.9 | 7 | 4 | 1482.9 | 0 | Details |
| 10 | Steinitz Festival 2025 (Blitz) | Blitz | 2025-03-14 | 2025-03-14 | Cape Town (WCT) | 7 | 1690.9 | 7 | 4 | 1627.7 | 0 | Details |
| 11 | Western Cape Closed 2025 (B) | Standard | 2025-03-08 | 2025-03-09 | Cape Town (WCT) | 6 | 1690.9 | 6 | 6 | 2017.9 | 0 | Details |
| 12 | Cape of Good Hope Open 2025 (Advanced) | Standard | 2025-02-22 | 2025-02-23 | Cape Town (WCT) | 6 | 1657.4 | 6 | 5 | 1857.7 | 0 | Details |
| 13 | Cape Town Masters Challenge 2025 (Advanced) | Classical | 2025-01-06 | 2025-01-11 | Cape Town (WCT) | 9 | 1594.9 | 9 | 5.5 | 1675.3 | 0 | Details |
| 14 | 2025 Kraaifontein Open Chess Championships (Advanced) | Standard | 2025-01-04 | 2025-01-05 | Cape Town (WCT) | 6 | 1594.9 | 6 | 5 | 1811.3 | 0 | Details |
| 15 | Rylib Summer Slam 2024 (Intermediate) | Rapid | 2024-12-03 | 2024-12-03 | Cape Town (WCT) | 6 | 1604.9 | 6 | 3 | 1479.1 | 0 | Details |
| 16 | CT League 2024 (B) | Classical | 2024-07-20 | 2024-09-07 | Cape Town (WCT) | 11 | 1621.2 | 9 | 7 | 1541.5 | 0 | Details |
| 17 | Rylib Winter Slam 2024 (Championship) | Rapid | 2024-06-19 | 2024-06-19 | Cape Town (WCT) | 6 | 1592.9 | 6 | 3 | 1664.8 | 0 | Details |
| 18 | Cape Town Chess Federation Closed Chess Championships 2024 (B) | Classical | 2024-06-14 | 2024-06-17 | Cape Town (WCT) | 7 | 1592.9 | 7 | 4.5 | 1711.4 | 0 | Details |
| 19 | Steinitz Chess Festival 2024 (Open) | Standard | 2024-05-10 | 2024-05-12 | Cape Town (WCT) | 6 | 1564.7 | 6 | 4.5 | 1730.7 | 0 | Details |
| 20 | Hermanus Chess Club Open 2024 (Advanced) | Rapid | 2024-04-20 | 2024-04-20 | Overberg (WOS) | 7 | 1597.1 | 7 | 5 | 1728.5 | 0 | Details |
| 21 | South African Closed Chess Championship 2024 (Seniors) | Classical | 2024-03-25 | 2024-04-02 | Cape Town (WCT) | 11 | 1597.1 | 11 | 1.5 | 1460 | 0 | Details |
| 22 | Cape Town Open Chess Championship 2024 (Advanced) | Standard | 2024-03-15 | 2024-03-17 | Cape Town (WCT) | 6 | 1566.2 | 6 | 4.5 | 1759 | 0 | Details |
| 23 | Steinitz Club Team Blitz Championship 2024 | Blitz | 2024-02-15 | 2024-02-15 | Cape Town (WCT) | 7 | 1606.4 | 7 | 4 | 1782.6 | 0 | Details |
| 24 | Cape of Good Hope Open Chess Tournament 2024 (Advanced) | Standard | 2024-02-17 | 2024-02-17 | Cape Town (WCT) | 6 | 1606.4 | 6 | 2 | 1290.5 | 0 | Details |
| 25 | Cape Town Masters Challenge 2024 (Advanced) | Classical | 2024-01-03 | 2024-01-07 | Cape Town (WCT) | 7 | 1629.7 | 7 | 3.5 | 1515.6 | 0 | Details |
| 26 | Rylib Summer Slam 2023 (Championship) | Rapid | 2023-12-12 | 2023-12-12 | Cape Town (WCT) | 6 | 1607.3 | 6 | 2.5 | 1612.2 | 0 | Details |
| 27 | Kraaifontein Open 2023 (Adanced) | Standard | 2023-12-09 | 2023-12-10 | Cape Town (WCT) | 6 | 1607.3 | 6 | 4.5 | 1769.9 | 0 | Details |
| 28 | WP Club League 2023 (A) | Classical | 2023-07-29 | 2023-09-09 | Cape Town (WCT) | 11 | 1631.1 | 2 | 1 | 1527.5 | 0 | Details |
| 29 | WP Club League 2023 (B) | Classical | 2023-07-29 | 2023-09-09 | Cape Town (WCT) | 11 | 1631.1 | 9 | 3.5 | 1541.6 | 0 | Details |
| 30 | Rylib Chess Winter Slam 2023 (A) | Rapid | 2023-07-06 | 2023-07-06 | Cape Town (WCT) | 6 | 1633.1 | 6 | 3 | 1608.2 | 0 | Details |
| 31 | GPCA Rapid 2023 (Advanced) | Rapid | 2023-06-24 | 2023-06-24 | Cape Town (WCT) | 7 | 1636.3 | 7 | 4 | 1599.4 | 0 | Details |
| 32 | Steinitz Open 2023 (A+B) | Standard | 2023-05-26 | 2023-05-28 | Cape Town (WCT) | 6 | 1633.6 | 6 | 4 | 1648.2 | 0 | Details |
| 33 | Hermanus Rapid 2023 (A) | Rapid | 2023-04-22 | 2023-04-22 | Overberg (WOS) | 6 | 1638.5 | 6 | 2 | 1530.1 | 0 | Details |
| 34 | Midas Paints Chess Cup Term 2 2023 (Open) | Rapid | 2023-04-15 | 2023-04-15 | Cape Winelands (WCW) | 6 | 1638.5 | 6 | 4 | 1724.7 | 0 | Details |
| 35 | Casuarina International 2023 (Rapid) | Rapid | 2023-03-11 | 2023-03-12 | Cape Town (WCT) | 6 | 1640 | 6 | 3.5 | 1641 | 0 | Details |
| 36 | Casuarina International 2023 (Blitz) | Blitz | 2023-03-11 | 2023-03-11 | Cape Town (WCT) | 9 | 1640 | 8 | 4 | 1718 | 0 | Details |
| 37 | Cape Town Open 2023 (Rapid) | Rapid | 2023-03-26 | 2023-03-26 | Cape Town (WCT) | 6 | 1640 | 5 | 3 | 1661.2 | 0 | Details |
| 38 | Courtrai Midas Rapid 2023 (Open) | Rapid | 2023-03-04 | 2023-03-04 | Cape Winelands (WCW) | 6 | 1640 | 6 | 2.5 | 1519.9 | 0 | Details |
| 39 | Summer Slam 2022 (A) | Rapid | 2022-12-13 | 2022-12-13 | Cape Town (WCT) | 6 | 1629.8 | 6 | 3 | 1759 | 0 | Details |
| 40 | Western Cape Club Championship 2022 (Tier 2) | Standard | 2022-10-07 | 2022-10-09 | Cape Town (WCT) | 6 | 1641.7 | 6 | 4 | 1645 | 0 | Details |
| 41 | 2022 Western Province Club League (Premier) | Classical | 2022-08-20 | 2022-10-01 | Cape Town (WCT) | 11 | 1641.7 | 1 | 1 | 1625 | 0 | Details |
| 42 | 2022 Western Province Club League (B) | Classical | 2022-08-20 | 2022-10-01 | Cape Town (WCT) | 11 | 1641.7 | 9 | 5 | 1502.7 | 0 | Details |
| 43 | South African Open 2022 (Championship) | Classical | 2022-07-09 | 2022-07-17 | Cape Town (WCT) | 11 | 1626.1 | 11 | 4.5 | 1674.7 | 0 | Details |
| 44 | Steinitz Individual Rapid 2022 | Rapid | 2022-06-10 | 2022-06-10 | Cape Town (WCT) | 6 | 1627.9 | 6 | 3.5 | 1595.7 | 0 | Details |
| 45 | Steinitz Open 2022 (B) | Standard | 2022-05-20 | 2022-05-22 | Cape Town (WCT) | 6 | 1626.5 | 6 | 4 | 1619.8 | 0 | Details |
| 46 | Summer Slam 2021 (Championship) | Rapid | 2021-12-13 | 2021-12-13 | Cape Town (WCT) | 7 | 1634.5 | 7 | 3.5 | 1543.1 | 0 | Details |
| 47 | Western Cape Club Championships 2021 (B) | Standard | 2021-10-15 | 2021-10-17 | Eden (WEG) | 6 | 1655.9 | 6 | 4 | 1503.9 | 0 | Details |
| 48 | Western Cape Closed 2021 (Prestige) | Standard | 2021-09-24 | 2021-09-26 | Cape Winelands (WCW) | 6 | 1676.4 | 6 | 3.5 | 1532.8 | 0 | Details |
| 49 | 2019 South African Closed Chess Championships (Senior) | Classical | 2019-12-07 | 2019-12-17 | Cape Town (WCT) | 11 | 1682.6 | 11 | 4.5 | 1666.7 | 0 | Details |
| 50 | 2019 Western Cape Club Championship (A+B) | Standard | 2019-10-25 | 2019-10-27 | Overberg (WOS) | 6 | 1664.2 | 5 | 4.5 | 1750.3 | 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 | 450 |
| Wins | 220 |
| Draws | 86 |
| Losses | 144 |
| White | 223 |
| Black | 227 |
| White wins | 110 |
| Black wins | 110 |
| Score | 263 |
| Percent | 58.4 |
| Dp | 71.8 |
| AOR | 1587.5 |
| Performance | 1659.3 |
Rankings (Main)
| National | |
| Overall | 258 |
| Gender | 247 |
| Age group | 30 |
| Gender/Age | 30 |
| Provincial | |
| Overall | 83 |
| Gender | 82 |
| Age group | 15 |
| Gender/Age | 15 |
| Regional | |
| Overall | 69 |
| Gender | 68 |
| Age group | 14 |
| Gender/Age | 14 |
Rankings (Standard)
| National | |
| Overall | 230 |
| Gender | 220 |
| Age group | 24 |
| Gender/Age | 24 |
| Provincial | |
| Overall | 70 |
| Gender | 69 |
| Age group | 11 |
| Gender/Age | 11 |
| Regional | |
| Overall | 60 |
| Gender | 59 |
| Age group | 10 |
| Gender/Age | 10 |
Rankings (Rapid)
| National | |
| Overall | 90 |
| Gender | 89 |
| Age group | 17 |
| Gender/Age | 17 |
| Provincial | |
| Overall | 45 |
| Gender | 44 |
| Age group | 11 |
| Gender/Age | 11 |
| Regional | |
| Overall | 35 |
| Gender | 34 |
| Age group | 9 |
| Gender/Age | 9 |
Rankings (Blitz)
| National | |
| Overall | 57 |
| Gender | 57 |
| Age group | 10 |
| Gender/Age | 10 |
| Provincial | |
| Overall | 24 |
| Gender | 24 |
| Age group | 6 |
| Gender/Age | 6 |
| Regional | |
| Overall | 17 |
| Gender | 17 |
| Age group | 4 |
| Gender/Age | 4 |
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 | 73 |
| Score | 48.5 |
| Percent | 66.4 |
| Aor | 1623.8 |
| Dp | 139.7 |
| Prat | 1763.5 |
Performance (History)
| Games | 450 |
| Score | 263 |
| Percent | 58.4 |
| Aor | 1587.5 |
| Dp | 71.8 |
| Prat | 1659.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Schuller, A (Ashley Marlon) | 8 | 3 | 5 | Steinitz Chess Festival 2019 (A) | Cape Town Masters Challenge 2025 (Advanced) | Details |
| Overall | 2 | Willenberg, RC (Roland Chester) | 7 | 4 | 3 | 2019 South African Closed Chess Championships (Senior) | Steinitz Chess Festival 2024 (Open) | Details |
| Overall | 3 | Willenberg, CG (Craig Glen) | 6 | 3 | 3 | WP Team Blitz 2018 (A) | Bellville Rapid 2025 (A) | Details |
| Overall | 4 | Bhawoodien, SH (Shabier Husain) | 6 | 4 | 2 | 2019 Groote Schuur High School Blitz | Steinitz Festival 2025 (Blitz) | Details |
| Overall | 5 | Willenberg, KS (Kenneth Sean) | 6 | 4 | 2 | 2019 Cape Town Classic Chess Festival (Blitz) | Cape Town Open Chess Festival 2025 (Team Blitz) | Details |
| Standard | 1 | Schutte, A (Andre) | 4 | 2 | 2 | 2019 South African Closed Chess Championships (Senior) | South African Closed Chess Championship 2024 (Seniors) | Details |
| Standard | 2 | Schuller, A (Ashley Marlon) | 4 | 1 | 3 | Steinitz Chess Festival 2019 (A) | Cape Town Masters Challenge 2025 (Advanced) | Details |
| Standard | 3 | Salem, A (Abdarahim) | 3 | 0 | 3 | Steinitz Chess Festival 2019 (A) | WP Club League 2023 (B) | Details |
| Standard | 4 | Budge, D (Daniel) | 3 | 1 | 2 | Cape Town Masters Challenge 2024 (Advanced) | Cape Town Chess Federation Closed Chess Championships 2024 (B) | Details |
| Standard | 5 | Willenberg, RC (Roland Chester) | 3 | 1 | 2 | 2019 South African Closed Chess Championships (Senior) | Steinitz Chess Festival 2024 (Open) | Details |
| Rapid | 1 | Willenberg, RC (Roland Chester) | 4 | 3 | 1 | Courtrai Midas Rapid 2023 (Open) | Hermanus Chess Club Open 2024 (Advanced) | Details |
| Rapid | 2 | Willenberg, CG (Craig Glen) | 3 | 1 | 2 | Courtrai Midas Rapid 2023 (Open) | Bellville Rapid 2025 (A) | Details |
| Rapid | 3 | Rogov, M (Matfey) | 3 | 2 | 1 | Rylib Chess Winter Slam 2023 (A) | Four Seasons Summer Slam 2025 (Championship) | Details |
| Rapid | 4 | Esau, O (Omar ) | 3 | 0 | 3 | Summer Slam 2021 (Championship) | Cape Town Open 2023 (Rapid) | Details |
| Rapid | 5 | Schuller, A (Ashley Marlon) | 3 | 2 | 1 | DSK Chess Tournament 2019 (Open) | Midas Paints Chess Cup Term 2 2023 (Open) | Details |
| Blitz | 1 | Bhawoodien, SH (Shabier Husain) | 3 | 1 | 2 | 2019 Groote Schuur High School Blitz | Steinitz Festival 2025 (Blitz) | Details |
| Blitz | 2 | Willenberg, KS (Kenneth Sean) | 3 | 1 | 2 | 2019 Cape Town Classic Chess Festival (Blitz) | Cape Town Open Chess Festival 2025 (Team Blitz) | Details |
| Blitz | 3 | Willenberg, CG (Craig Glen) | 2 | 1 | 1 | WP Team Blitz 2018 (A) | Steinitz Festival 2025 (Blitz) | Details |
| Blitz | 4 | Thakersee, R (Rishay) | 2 | 0 | 2 | 2019 Cape Town Classic Chess Festival (Blitz) | 2019 Groote Schuur High School Blitz | Details |
| Blitz | 5 | Mnyasta, T (Tezihano) | 2 | 0 | 2 | 2019 Groote Schuur High School Blitz | Steinitz Club Team Blitz Championship 2024 | Details |