PLAYER PAGE
William Etsala-Kourou
1170315599Eden (WEG)Personal
Main rating
| Rating | 1307.8 |
| K-factor | 32 |
| Floor | 906.2 |
| Highest | 1406.2 (2026-04-01) |
| Min/Max +/- allowed | 124 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1044.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1307.8 |
| K-factor | 32 |
| Floor | 906.2 |
| Highest | 1406.2 (2026-04-01) |
| Min/Max +/- allowed | 123.6 |
Standard rating
| Rating | 1358.5 |
| K-factor | 36 |
| Floor | 878.4 |
| Highest | 1378.4 (2026-03-01) |
| Min/Max +/- allowed | 128.6 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1291.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1358.5 |
| K-factor | 36 |
| Floor | 878.4 |
| Highest | 1378.4 (2026-03-01) |
| Min/Max +/- allowed | 128.6 |
Rapid rating
| Rating | 1155.4 |
| K-factor | 36 |
| Floor | 757 |
| Highest | 1257 (2026-04-01) |
| Min/Max +/- allowed | 152.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1145.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1155.4 |
| K-factor | 36 |
| Floor | 757 |
| Highest | 1257 (2026-04-01) |
| Min/Max +/- allowed | 152.9 |
Blitz rating
| Rating | 1136.6 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-03-01) |
| 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 | 1136.6 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-03-01) |
| 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 | AJ Cordier 10year Celebration Open 2026 | Rapid | 2026-08-29 | 2026-08-29 | Eden (WEG) | 6 | 1317.4 | 5 | 2 | 1144.1 | -9.6 | Details |
| 2 | Van Reede Rapid 1 Open 2026 | Rapid | 2026-08-15 | 2026-08-15 | Eden (WEG) | 6 | 1317.4 | 6 | 2 | 1210.7 | -11.2 | Details |
| 3 | Van Reede Blitz 1 Open 2026 | Blitz | 2026-07-31 | 2026-07-31 | Eden (WEG) | 6 | 1317.4 | 6 | 2 | 1055.8 | -9.8 | Details |
| 4 | Wayne Paul Williams Open 2026 | Rapid | 2026-07-25 | 2026-07-25 | Eden (WEG) | 6 | 1386.7 | 6 | 2 | 1099.8 | -21.4 | Details |
| 5 | Mandela Day Open 2026 | Rapid | 2026-07-18 | 2026-07-18 | Eden (WEG) | 7 | 1386.7 | 7 | 1 | 1090.1 | -27 | Details |
| 6 | Eden Chess Trials 2 2026 (U10 Boys) | Standard | 2026-05-23 | 2026-05-23 | Eden (WEG) | 5 | 1406.2 | 5 | 2 | 1288.4 | -19.5 | Details |
| 7 | Eden Rapid Championship 2026 (C) | Rapid | 2026-04-18 | 2026-04-18 | Eden (WEG) | 6 | 1352.7 | 6 | 4 | 1568 | 32.9 | Details |
| 8 | Eden Schools Trials 1 2026 (U9 Boys) | Standard | 2026-03-14 | 2026-03-14 | Eden (WEG) | 5 | 1272.4 | 5 | 3 | 1423.1 | 25.1 | Details |
| 9 | Oudussa Trials 2 2026 (U7+U9) | Standard | 2026-02-28 | 2026-02-28 | Eden (WEG) | 5 | 1272.4 | 5 | 4 | 1504.8 | 42.1 | Details |
| 10 | Loerie Skaaktoernooi 2026 (U11+U13) | Rapid | 2026-02-21 | 2026-02-21 | Eden (WEG) | 5 | 1248.2 | 5 | 2 | 1184 | -3.9 | Details |
| 11 | Oudussa Trials 1 2026 (U7+U9) | Standard | 2026-02-14 | 2026-02-14 | Eden (WEG) | 5 | 1248.2 | 5 | 4 | 1432.6 | 17.4 | Details |
| 12 | Eden Top Schools 2025 (U9) | Standard | 2025-08-16 | 2025-08-16 | Eden (WEG) | 5 | 1265.8 | 4 | 1 | 1141.7 | -9.8 | Details |
| 13 | Eden Chess Trials 2 2025 (U10) | Standard | 2025-03-15 | 2025-04-12 | Eden (WEG) | 10 | 1198 | 10 | 6 | 1372.5 | 33.9 | Details |
| 14 | Eden Schools Chess Trials 1 2025 (U9 Boys) | Standard | 2025-03-08 | 2025-03-08 | Eden (WEG) | 5 | 1196 | 5 | 2.5 | 1193.9 | -0.8 | Details |
| 15 | Oudussa Trials 2025 (U7+U9) | Standard | 2025-03-01 | 2025-03-01 | Eden (WEG) | 5 | 1196 | 5 | 2 | 1121.7 | -8 | Details |
| 16 | Eden Rapid 2025 (B) | Rapid | 2025-02-23 | 2025-02-23 | Eden (WEG) | 6 | 1200 | 5 | 0 | 949.1 | -17.4 | Details |
| 17 | Oudussa Trials 2 2025 (U7+U9 Boys+Girls) | Standard | 2025-02-08 | 2025-02-08 | Eden (WEG) | 5 | 1200 | 5 | 2 | 1115 | -7.6 | 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 | 61 |
| Wins | 27 |
| Draws | 2 |
| Losses | 32 |
| White | 33 |
| Black | 28 |
| White wins | 19 |
| Black wins | 8 |
| Score | 28 |
| Percent | 45.9 |
| Dp | -34.8 |
| AOR | 1299.1 |
| Performance | 1264.3 |
Game statistics (History)
| Games | 95 |
| Wins | 39 |
| Draws | 5 |
| Losses | 51 |
| White | 50 |
| Black | 45 |
| White wins | 25 |
| Black wins | 14 |
| Score | 41.5 |
| Percent | 43.7 |
| Dp | -53.7 |
| AOR | 1288.6 |
| Performance | 1234.9 |
Rankings (Main)
| National | |
| Overall | 5903 |
| Gender | 4844 |
| Age group | 289 |
| Gender/Age | 227 |
| Provincial | |
| Overall | 1794 |
| Gender | 1389 |
| Age group | 109 |
| Gender/Age | 85 |
| Regional | |
| Overall | 444 |
| Gender | 338 |
| Age group | 41 |
| Gender/Age | 32 |
Rankings (Standard)
| National | |
| Overall | 3971 |
| Gender | 3277 |
| Age group | 187 |
| Gender/Age | 150 |
| Provincial | |
| Overall | 1191 |
| Gender | 925 |
| Age group | 72 |
| Gender/Age | 57 |
| Regional | |
| Overall | 304 |
| Gender | 231 |
| Age group | 32 |
| Gender/Age | 25 |
Rankings (Rapid)
| National | |
| Overall | 5558 |
| Gender | 4220 |
| Age group | 460 |
| Gender/Age | 333 |
| Provincial | |
| Overall | 2147 |
| Gender | 1575 |
| Age group | 208 |
| Gender/Age | 154 |
| Regional | |
| Overall | 259 |
| Gender | 195 |
| Age group | 30 |
| Gender/Age | 24 |
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 | 61 |
| Score | 28 |
| Percent | 45.9 |
| Aor | 1299.1 |
| Dp | -34.8 |
| Prat | 1264.3 |
Performance (12 months)
| Games | 61 |
| Score | 28 |
| Percent | 45.9 |
| Aor | 1299.1 |
| Dp | -34.8 |
| Prat | 1264.3 |
Performance (History)
| Games | 95 |
| Score | 41.5 |
| Percent | 43.7 |
| Aor | 1288.6 |
| Dp | -53.7 |
| Prat | 1234.9 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Etsala-Kourou, J (Josue) | 4 | 0 | 4 | Mandela Day Open 2026 | AJ Cordier 10year Celebration Open 2026 | Details |
| Overall | 2 | Cupido, C (Craig) | 4 | 2 | 2 | Mandela Day Open 2026 | AJ Cordier 10year Celebration Open 2026 | Details |
| Overall | 3 | Jullies, C (Conren) | 3 | 3 | 0 | Mandela Day Open 2026 | AJ Cordier 10year Celebration Open 2026 | Details |
| Overall | 4 | Suka, L (Liyema) | 3 | 1 | 2 | Oudussa Trials 2025 (U7+U9) | Oudussa Trials 2 2026 (U7+U9) | Details |
| Overall | 5 | Galant, H (Hopelin) | 2 | 2 | 0 | Eden Chess Trials 2 2025 (U10) | Eden Top Schools 2025 (U9) | Details |
| Standard | 1 | Suka, L (Liyema) | 3 | 1 | 2 | Oudussa Trials 2025 (U7+U9) | Oudussa Trials 2 2026 (U7+U9) | Details |
| Standard | 2 | Qila, R (Rushnay) | 2 | 1 | 1 | Oudussa Trials 1 2026 (U7+U9) | Oudussa Trials 2 2026 (U7+U9) | Details |
| Standard | 3 | Galant, H (Hopelin) | 2 | 2 | 0 | Eden Chess Trials 2 2025 (U10) | Eden Top Schools 2025 (U9) | Details |
| Standard | 4 | Baartman, S (Schuyler Rayshaan) | 2 | 1 | 1 | Oudussa Trials 2 2025 (U7+U9 Boys+Girls) | Oudussa Trials 2025 (U7+U9) | Details |
| Standard | 5 | Jacobs, S (Stefiano) | 2 | 2 | 0 | Oudussa Trials 1 2026 (U7+U9) | Eden Schools Trials 1 2026 (U9 Boys) | Details |
| Rapid | 1 | Cupido, C (Craig) | 3 | 1 | 2 | Mandela Day Open 2026 | AJ Cordier 10year Celebration Open 2026 | Details |
| Rapid | 2 | Etsala-Kourou, J (Josue) | 3 | 0 | 3 | Mandela Day Open 2026 | AJ Cordier 10year Celebration Open 2026 | Details |
| Rapid | 3 | Etsala-Kourou, B (Billy) | 2 | 2 | 0 | Mandela Day Open 2026 | Wayne Paul Williams Open 2026 | Details |
| Rapid | 4 | Cordier, A (Aidan) | 2 | 2 | 0 | Mandela Day Open 2026 | Wayne Paul Williams Open 2026 | Details |
| Rapid | 5 | Ndoni, B (Buhlebendalo) | 2 | 2 | 0 | Van Reede Rapid 1 Open 2026 | AJ Cordier 10year Celebration Open 2026 | Details |