PLAYER PAGE
Achuma Sihewula
1090111480Nelson Mandela Bay (ENM)Personal
Main rating
| Rating | 1301.2 |
| K-factor | 36 |
| Floor | 848.8 |
| Highest | 1362.3 (2024-05-01) |
| Min/Max +/- allowed | 132 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1093 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1301.2 |
| K-factor | 36 |
| Floor | 848.8 |
| Highest | 1362.3 (2024-05-01) |
| Min/Max +/- allowed | 131.6 |
Standard rating
| Rating | 1310.3 |
| K-factor | 36 |
| Floor | 873.9 |
| Highest | 1373.9 (2025-02-01) |
| Min/Max +/- allowed | 129.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1093 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1310.3 |
| K-factor | 36 |
| Floor | 873.9 |
| Highest | 1373.9 (2025-02-01) |
| Min/Max +/- allowed | 129.4 |
Rapid rating
| Rating | 1118.8 |
| 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 | 1118.8 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1160 |
| 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 | 1160 |
| 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 | NMBCU Closed 2025 (U18) | Standard | 2025-06-13 | 2025-06-14 | Nelson Mandela Bay (ENM) | 6 | 1301.8 | 5 | 1 | 1056.4 | 0 | Details |
| 2 | NMBCU Open 2025 (A) | Standard | 2025-05-23 | 2025-05-25 | Nelson Mandela Bay (ENM) | 6 | 1285.1 | 5 | 1.5 | 1236.8 | 0 | Details |
| 3 | NMBCU Trial 4 2025 (U18) | Standard | 2025-05-09 | 2025-05-10 | Nelson Mandela Bay (ENM) | 6 | 1285.1 | 4 | 1.5 | 1124.2 | 0 | Details |
| 4 | EC Open 2025 (U16-U20 Boys) | Standard | 2025-05-02 | 2025-05-02 | Buffalo City (EBC) | 7 | 1285.1 | 7 | 3.5 | 1339.4 | 0 | Details |
| 5 | Karen Ashworth 2025 (B) | Standard | 2025-04-26 | 2025-04-26 | Nelson Mandela Bay (ENM) | 5 | 1285.1 | 5 | 3 | 1517.5 | 0 | Details |
| 6 | NMB 3rd Trials 2025 (U18) | Standard | 2025-04-11 | 2025-04-12 | Nelson Mandela Bay (ENM) | 6 | 1282.1 | 6 | 3 | 1239.8 | 0 | Details |
| 7 | NMB 2nd Trials 2025 (U18) | Standard | 2025-03-07 | 2025-03-08 | Nelson Mandela Bay (ENM) | 6 | 1339.4 | 6 | 1.5 | 1007 | 0 | Details |
| 8 | NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open A) | Blitz | 2025-01-12 | 2025-01-12 | Nelson Mandela Bay (ENM) | 9 | 1348.8 | 9 | 3.5 | 1215.8 | 0 | Details |
| 9 | Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Premier) | Classical | 2024-12-16 | 2024-12-19 | Capricorn (LCP) | 7 | 1305.8 | 7 | 4 | 1357.4 | 0 | Details |
| 10 | Township Chess 204 (B) | Standard | 2024-11-29 | 2024-11-30 | Nelson Mandela Bay (ENM) | 5 | 1305.8 | 5 | 4 | 1462.5 | 0 | Details |
| 11 | NMBCU Top Schools Final 2024 (High School) | Standard | 2024-10-19 | 2024-10-19 | Nelson Mandela Bay (ENM) | 3 | 1287.7 | 3 | 3 | 1593.1 | 0 | Details |
| 12 | NMBCU Top Schools 2024 (High School) | Rapid | 2024-10-12 | 2024-10-12 | Nelson Mandela Bay (ENM) | 5 | 1287.7 | 5 | 2.5 | 1207 | 0 | Details |
| 13 | NMBCU Closed 2024 (U16) | Standard | 2024-09-20 | 2024-09-21 | Nelson Mandela Bay (ENM) | 6 | 1283.1 | 6 | 3 | 1316.3 | 0 | Details |
| 14 | NMBCU Trial 5 2024 (U16) | Standard | 2024-08-16 | 2024-08-17 | Nelson Mandela Bay (ENM) | 6 | 1346.2 | 6 | 2.5 | 1188.6 | 0 | Details |
| 15 | NMB Open 2024 (B) | Standard | 2024-08-03 | 2024-08-04 | Nelson Mandela Bay (ENM) | 6 | 1346.2 | 5 | 1 | 1169.5 | 0 | Details |
| 16 | NMBCU Trials 4 2024 (U16) | Standard | 2024-07-12 | 2024-07-13 | Nelson Mandela Bay (ENM) | 6 | 1347.7 | 6 | 3 | 1338.7 | 0 | Details |
| 17 | NMBCU Trial 3 2024 (U16) | Standard | 2024-05-10 | 2024-05-11 | Nelson Mandela Bay (ENM) | 6 | 1284.8 | 4 | 3 | 1474.1 | 0 | Details |
| 18 | NMBCU Trials 2 2024 (U16) | Standard | 2024-04-12 | 2024-04-13 | Nelson Mandela Bay (ENM) | 6 | 1236.9 | 6 | 3 | 1338.7 | 0 | Details |
| 19 | Madibaz Chess Tournament 2024 (B) | Standard | 2024-03-01 | 2024-03-02 | Nelson Mandela Bay (ENM) | 5 | 1209.4 | 5 | 3 | 1348.6 | 0 | Details |
| 20 | NMBCU Trials 1 2024 (U16) | Standard | 2024-02-16 | 2024-02-16 | Nelson Mandela Bay (ENM) | 6 | 1165.9 | 5 | 3 | 1382.3 | 0 | Details |
| 21 | NMBCU Closed 2023 (U16) | Standard | 2023-08-11 | 2023-08-12 | Nelson Mandela Bay (ENM) | 6 | 1167.9 | 5 | 1.5 | 1165.7 | 0 | Details |
| 22 | Junior Chess Battles Blitz 2023 (B) | Blitz | 2023-07-16 | 2023-07-16 | Nelson Mandela Bay (ENM) | 7 | 1176 | 7 | 3 | 1156.6 | 0 | Details |
| 23 | Junior Chess Battles Classical 2023 (U16) | Standard | 2023-07-15 | 2023-07-16 | Nelson Mandela Bay (ENM) | 6 | 1176 | 6 | 1.5 | 1042.1 | 0 | Details |
| 24 | NMBCU Trial 4 2023 (U16) | Standard | 2023-07-28 | 2023-07-29 | Nelson Mandela Bay (ENM) | 5 | 1176 | 5 | 2.5 | 1297.3 | 0 | Details |
| 25 | EP Trials 3 2023 (U16) | Standard | 2023-05-05 | 2023-05-06 | Nelson Mandela Bay (ENM) | 6 | 1121.6 | 6 | 4 | 1356.3 | 0 | Details |
| 26 | NMB 2nd Trials 2023 (U16) | Standard | 2023-03-24 | 2023-03-25 | Nelson Mandela Bay (ENM) | 6 | 1116.6 | 6 | 2 | 1139.7 | 0 | Details |
| 27 | NMB 1st Trials 2023 (U16) | Standard | 2023-02-17 | 2023-02-18 | Nelson Mandela Bay (ENM) | 6 | 1081.7 | 6 | 3 | 1242.3 | 0 | Details |
| 28 | 2022 Madibaz Physics Chess Open (D) | Rapid | 2022-10-07 | 2022-10-08 | Nelson Mandela Bay (ENM) | 7 | 1105 | 6 | 2 | 958.9 | 0 | Details |
| 29 | 2022 Madibaz Tournament (Primary School Team) | Rapid | 2022-09-10 | 2022-09-10 | Nelson Mandela Bay (ENM) | 6 | 1078.3 | 6 | 2 | 1161.5 | 0 | Details |
| 30 | 2022 Madibaz Tournament (Primary School) | Blitz | 2022-09-09 | 2022-09-09 | Nelson Mandela Bay (ENM) | 7 | 1078.3 | 7 | 4 | 1295.3 | 0 | Details |
| 31 | 2020 NMBCU Chess Trials 2 2020 (U12) | Standard | 2020-03-07 | 2020-03-07 | Nelson Mandela Bay (ENM) | 5 | 1048.7 | 5 | 3 | 1270.7 | 0 | Details |
| 32 | 2020 Boardwalk Pearson Open Chess Festival (Open) | Standard | 2020-03-14 | 2020-03-15 | Nelson Mandela Bay (ENM) | 5 | 1048.7 | 5 | 1 | 973.7 | 0 | Details |
| 33 | Nelson Mandela Bay Junior Trials 4 2019 (U12) | Standard | 2019-07-12 | 2019-07-13 | Nelson Mandela Bay (ENM) | 6 | 1112.1 | 6 | 1 | 842 | 0 | Details |
| 34 | NMBJCU Trials 3 2019 (U12) | Standard | 2019-05-10 | 2019-05-11 | Nelson Mandela Bay (ENM) | 6 | 1112.1 | 6 | 3 | 1123.2 | 0 | Details |
| 35 | Nelson Mandela Bay Junior Chess Trials 2 2019 (U12) | Standard | 2019-04-05 | 2019-04-06 | Nelson Mandela Bay (ENM) | 6 | 1166.5 | 6 | 1.5 | 934.3 | 0 | Details |
| 36 | NMBCU Trials 1 2019 (U12) | Standard | 2019-03-08 | 2019-03-09 | Nelson Mandela Bay (ENM) | 5 | 1200 | 5 | 2 | 1032.8 | 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 | 203 |
| Wins | 80 |
| Draws | 21 |
| Losses | 102 |
| White | 105 |
| Black | 98 |
| White wins | 40 |
| Black wins | 40 |
| Score | 90.5 |
| Percent | 44.6 |
| Dp | -46.1 |
| AOR | 1258.6 |
| Performance | 1212.5 |
Rankings (Main)
| National | |
| Overall | 5944 |
| Gender | 4919 |
| Age group | 935 |
| Gender/Age | 758 |
| Provincial | |
| Overall | 620 |
| Gender | 522 |
| Age group | 111 |
| Gender/Age | 98 |
| Regional | |
| Overall | 202 |
| Gender | 175 |
| Age group | 40 |
| Gender/Age | 35 |
Rankings (Standard)
| National | |
| Overall | 5058 |
| Gender | 4179 |
| Age group | 824 |
| Gender/Age | 671 |
| Provincial | |
| Overall | 559 |
| Gender | 473 |
| Age group | 102 |
| Gender/Age | 92 |
| Regional | |
| Overall | 182 |
| Gender | 156 |
| Age group | 37 |
| Gender/Age | 33 |
Rankings (Rapid)
| 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 |
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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 38 |
| Score | 15 |
| Percent | 39.5 |
| Aor | 1310.7 |
| Dp | -89.5 |
| Prat | 1221.2 |
Performance (History)
| Games | 203 |
| Score | 90.5 |
| Percent | 44.6 |
| Aor | 1258.6 |
| Dp | -46.1 |
| Prat | 1212.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Munir, A (Ainy) | 5 | 4 | 1 | NMBCU Trials 1 2019 (U12) | EP Trials 3 2023 (U16) | Details |
| Overall | 2 | Taljard, J (Julian) | 5 | 3 | 2 | NMB 1st Trials 2023 (U16) | NMB 3rd Trials 2025 (U18) | Details |
| Overall | 3 | Gie, L (Luca) | 4 | 2 | 2 | NMBCU Trials 1 2024 (U16) | NMB 3rd Trials 2025 (U18) | Details |
| Overall | 4 | Sonti, K (Kamvalethu) | 4 | 1 | 3 | NMBCU Trials 1 2024 (U16) | Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Premier) | Details |
| Overall | 5 | Banoobhai, T (Troy) | 4 | 1 | 3 | NMBCU Trials 1 2024 (U16) | NMBCU Closed 2024 (U16) | Details |
| Standard | 1 | Munir, A (Ainy) | 5 | 4 | 1 | NMBCU Trials 1 2019 (U12) | EP Trials 3 2023 (U16) | Details |
| Standard | 2 | Taljard, J (Julian) | 5 | 3 | 2 | NMB 1st Trials 2023 (U16) | NMB 3rd Trials 2025 (U18) | Details |
| Standard | 3 | Gie, L (Luca) | 4 | 2 | 2 | NMBCU Trials 1 2024 (U16) | NMB 3rd Trials 2025 (U18) | Details |
| Standard | 4 | Sonti, K (Kamvalethu) | 4 | 1 | 3 | NMBCU Trials 1 2024 (U16) | Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Premier) | Details |
| Standard | 5 | Banoobhai, T (Troy) | 4 | 1 | 3 | NMBCU Trials 1 2024 (U16) | NMBCU Closed 2024 (U16) | Details |
| Rapid | 1 | Boggenpoel, D (Dante Xavier) | 2 | 1 | 1 | 2022 Madibaz Tournament (Primary School Team) | 2022 Madibaz Tournament (Primary School Team) | Details |
| Rapid | 2 | Manton, C (Charlie) | 2 | 1 | 1 | 2022 Madibaz Tournament (Primary School Team) | 2022 Madibaz Tournament (Primary School Team) | Details |
| Rapid | 3 | Nell, C (Chelsea Jane) | 2 | 1 | 1 | 2022 Madibaz Tournament (Primary School Team) | 2022 Madibaz Tournament (Primary School Team) | Details |
| Blitz | 1 | Prinsloo, L (Liam) | 2 | 1 | 1 | 2022 Madibaz Tournament (Primary School) | Junior Chess Battles Blitz 2023 (B) | Details |