PLAYER PAGE
Iviwe Sizani
2160312678Nelson Mandela Bay (ENM)Personal
Main rating
| Rating | 1393.1 |
| K-factor | 32 |
| Floor | 957.5 |
| Highest | 1511.3 (2026-01-01) |
| Min/Max +/- allowed | 106 |
| Rating Change () | |
| Games | 7 |
| Score | 4.5 |
| We | 3.52 |
| SWe | 0.98 |
| Temp +/- | 31.2 |
| Penalties | 0 |
| Weight perform | 1438.3 |
| Final +/- | +45.2 |
| New Rating () | |
| Rating | 1438.3 |
| K-factor | 32 |
| Floor | 957.5 |
| Highest | 1511.3 (2026-01-01) |
| Min/Max +/- allowed | 106.4 |
Standard rating
| Rating | 1427.8 |
| K-factor | 32 |
| Floor | 943 |
| Highest | 1493.4 (2026-01-01) |
| Min/Max +/- allowed | 109.2 |
| Rating Change () | |
| Games | 7 |
| Score | 4.5 |
| We | 3.78 |
| SWe | 0.72 |
| Temp +/- | 23.2 |
| Penalties | 0 |
| Weight perform | 1438.3 |
| Final +/- | +23.2 |
| New Rating () | |
| Rating | 1450.9 |
| K-factor | 32 |
| Floor | 943 |
| Highest | 1493.4 (2026-01-01) |
| Min/Max +/- allowed | 109.2 |
Rapid rating
| Rating | 1295.3 |
| K-factor | 36 |
| Floor | 795.3 |
| Highest | 1295.3 (2026-06-01) |
| Min/Max +/- allowed | 144.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1295.3 |
| K-factor | 36 |
| Floor | 795.3 |
| Highest | 1295.3 (2026-06-01) |
| Min/Max +/- allowed | 144.8 |
Blitz rating
| Rating | 1236.7 |
| K-factor | 36 |
| Floor | 736.7 |
| Highest | 1236.7 (2026-02-28) |
| Min/Max +/- allowed | 157.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1236.7 |
| K-factor | 36 |
| Floor | 736.7 |
| Highest | 1236.7 (2026-02-28) |
| Min/Max +/- allowed | 157.4 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | South African Open Championship 2026 (U11 Girls) | Classical | 2026-07-02 | 2026-07-05 | Cape Town (WCT) | 7 | 1393.1 | 7 | 4.5 | 1516.6 | 31.2 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Commonwealth Chess Championship 2026 | Classical | 2026-05-17 | 2026-05-25 | Sri Lanka (SRI) | 9 | 1443 | 8 | 2 | 1254.1 | -57 | Details |
| 2 | Spartans Bishops 2026 (Junior Pawns) | Standard | 2026-05-01 | 2026-05-01 | Sarah Baartman (ESB) | 5 | 1443 | 5 | 3 | 1588.5 | 14.8 | Details |
| 3 | 2026 PECC Fast & Furious Rapid | Rapid | 2026-04-16 | 2026-04-30 | Nelson Mandela Bay (ENM) | 6 | 1443 | 2 | 1 | 1398.1 | -1.8 | Details |
| 4 | South African Junior Closed Chess Championship 2026 (U10 Girls) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1370.7 | 9 | 5.5 | 1581.4 | 72.3 | Details |
| 5 | UCC Rapid March 2026 | Rapid | 2026-03-10 | 2026-03-17 | Nelson Mandela Bay (ENM) | 6 | 1348.6 | 3 | 2 | 1426.4 | 3.2 | Details |
| 6 | 2026 NMBCU Trials 2 (U12) | Standard | 2026-03-06 | 2026-03-07 | Nelson Mandela Bay (ENM) | 6 | 1348.6 | 6 | 3.5 | 1449.9 | 18.9 | Details |
| 7 | Pearson Chess Festival 2026 (C) | Standard | 2026-02-27 | 2026-02-28 | Nelson Mandela Bay (ENM) | 5 | 1415.6 | 5 | 3 | 1395.7 | -1.2 | Details |
| 8 | UCC Blitz February 2026 | Blitz | 2026-02-24 | 2026-02-24 | Nelson Mandela Bay (ENM) | 6 | 1415.6 | 6 | 4 | 1336 | -2.5 | Details |
| 9 | UCC Protea Cup 2026 (A) | Standard | 2026-01-20 | 2026-02-17 | Nelson Mandela Bay (ENM) | 5 | 1415.6 | 4 | 1 | 1051.2 | -28.7 | Details |
| 10 | UCC Protea Cup 2026 (B) | Standard | 2026-01-20 | 2026-02-17 | Nelson Mandela Bay (ENM) | 5 | 1415.6 | 1 | 1 | 1614.1 | 4.7 | Details |
| 11 | NMBCU Trial 1 2026 (U12) | Standard | 2026-02-20 | 2026-02-21 | Nelson Mandela Bay (ENM) | 5 | 1415.6 | 5 | 2 | 1288.7 | -12.9 | Details |
| 12 | Fide in the Bay 2026 (U12) | Standard | 2026-01-24 | 2026-01-24 | Nelson Mandela Bay (ENM) | 5 | 1511.3 | 5 | 2 | 1236.3 | -27.4 | Details |
| 13 | 2025 Mzansi Individual Championships (U10 Girls) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1405.1 | 6 | 4 | 1508.9 | 16.4 | Details |
| 14 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1405.1 | 6 | 5 | 1634.4 | 26.9 | Details |
| 15 | St Thomas Future Masters Challenge 2025 (Grade 4-7) | Rapid | 2025-11-29 | 2025-11-29 | Nelson Mandela Bay (ENM) | 5 | 1390.8 | 5 | 4 | 1492.8 | 5.1 | Details |
| 16 | PECC - Rapid 2025 (A) | Rapid | 2025-10-23 | 2025-10-30 | Nelson Mandela Bay (ENM) | 6 | 1406 | 3 | 1 | 1358.6 | -1.6 | Details |
| 17 | EC Closed 2025 (U8+U10 Girls) | Standard | 2025-09-06 | 2025-09-07 | Nelson Mandela Bay (ENM) | 6 | 1322.6 | 6 | 5 | 1604.2 | 37.4 | Details |
| 18 | FIDE in the Bay 2025 (U12) | Standard | 2025-08-30 | 2025-08-30 | Nelson Mandela Bay (ENM) | 5 | 1402.7 | 5 | 3 | 1424.8 | 1.5 | Details |
| 19 | UCC Championship 2025 (B) | Standard | 2025-07-22 | 2025-08-19 | Nelson Mandela Bay (ENM) | 5 | 1402.7 | 3 | 1 | 1134.9 | -16.5 | Details |
| 20 | UCC Mind Over Board 2025 (B) | Classical | 2025-08-01 | 2025-08-03 | Nelson Mandela Bay (ENM) | 5 | 1402.7 | 5 | 2 | 1109 | -35.2 | Details |
| 21 | UCC Rapid July 2025 | Rapid | 2025-07-08 | 2025-07-15 | Nelson Mandela Bay (ENM) | 6 | 1206.6 | 3 | 2.5 | 1706.9 | 11.4 | Details |
| 22 | Eastern Cape Inter-Regional Individual Chess Championship 2025 (U10 Girls) | Standard | 2025-07-11 | 2025-07-12 | Amathole (EAL) | 6 | 1206.6 | 6 | 5 | 1571.7 | 41.3 | Details |
| 23 | Eastern Cape Inter-Regional Team Chess Championship 2025 (U10) | Standard | 2025-07-10 | 2025-07-10 | Amathole (EAL) | 5 | 1206.6 | 3 | 0.5 | 1142.5 | -3.2 | Details |
| 24 | Fide in the Bay 2025 (B) | Standard | 2025-07-05 | 2025-07-05 | Nelson Mandela Bay (ENM) | 5 | 1206.6 | 5 | 2 | 1217.9 | 0.3 | Details |
| 25 | UCC Rapid May 2025 | Rapid | 2025-05-27 | 2025-06-17 | Nelson Mandela Bay (ENM) | 6 | 1191.2 | 1 | 0 | 985.3 | -1.7 | Details |
| 26 | NMBCU Closed 2025 (U10) | Standard | 2025-06-13 | 2025-06-14 | Nelson Mandela Bay (ENM) | 6 | 1191.2 | 6 | 3 | 1279.7 | 10.3 | Details |
| 27 | NMBCU Open 2025 (C) | Standard | 2025-05-23 | 2025-05-24 | Nelson Mandela Bay (ENM) | 6 | 1190.6 | 6 | 2 | 1131.4 | -7 | Details |
| 28 | NMBCU Trial 4 2025 (U10) | Standard | 2025-05-09 | 2025-05-10 | Nelson Mandela Bay (ENM) | 6 | 1190.6 | 6 | 2.5 | 1215 | 2.8 | Details |
| 29 | NMB 3rd Trials 2025 (U10) | Standard | 2025-04-11 | 2025-04-12 | Nelson Mandela Bay (ENM) | 6 | 1192.8 | 6 | 2 | 1088.3 | -12.3 | Details |
| 30 | NMB 2nd Trials 2025 (U10) | Standard | 2025-03-07 | 2025-03-08 | Nelson Mandela Bay (ENM) | 6 | 1191.3 | 6 | 3 | 1198.6 | 0.8 | Details |
| 31 | NMBCH Trial 1 2025 (U10) | Standard | 2025-02-14 | 2025-02-15 | Nelson Mandela Bay (ENM) | 6 | 1191.7 | 6 | 2 | 1100.4 | -10.8 | Details |
| 32 | NMBCU Top Schools 2024 (Junior Primary) | Rapid | 2024-10-12 | 2024-10-12 | Nelson Mandela Bay (ENM) | 5 | 1200 | 3 | 1 | 943.6 | -13.9 | Details |
Game statistics ( )
| Games | 7 |
| Wins | 4 |
| Draws | 1 |
| Losses | 2 |
| White | 4 |
| Black | 3 |
| White wins | 2 |
| Black wins | 2 |
| Score | 4.5 |
| Percent | 64.3 |
| Dp | 121.4 |
| AOR | 1395.2 |
| Performance | 1516.6 |
Game statistics ()
| Games | 66 |
| Wins | 33 |
| Draws | 3 |
| Losses | 30 |
| White | 33 |
| Black | 33 |
| White wins | 17 |
| Black wins | 16 |
| Score | 34.5 |
| Percent | 52.3 |
| Dp | 19.3 |
| AOR | 1375.2 |
| Performance | 1394.5 |
Game statistics (History)
| Games | 162 |
| Wins | 82 |
| Draws | 6 |
| Losses | 74 |
| White | 83 |
| Black | 79 |
| White wins | 44 |
| Black wins | 38 |
| Score | 85 |
| Percent | 52.5 |
| Dp | 21 |
| AOR | 1325.3 |
| Performance | 1346.3 |
Rankings (Main)
| National | |
| Overall | 3795 |
| Gender | 590 |
| Age group | 335 |
| Gender/Age | 73 |
| Provincial | |
| Overall | 408 |
| Gender | 62 |
| Age group | 40 |
| Gender/Age | 9 |
| Regional | |
| Overall | 150 |
| Gender | 21 |
| Age group | 16 |
| Gender/Age | 3 |
Rankings (Standard)
| National | |
| Overall | 2759 |
| Gender | 417 |
| Age group | 239 |
| Gender/Age | 51 |
| Provincial | |
| Overall | 318 |
| Gender | 49 |
| Age group | 36 |
| Gender/Age | 9 |
| Regional | |
| Overall | 113 |
| Gender | 17 |
| Age group | 14 |
| Gender/Age | 3 |
Rankings (Rapid)
| National | |
| Overall | 2184 |
| Gender | 381 |
| Age group | 321 |
| Gender/Age | 68 |
| Provincial | |
| Overall | 178 |
| Gender | 29 |
| Age group | 28 |
| Gender/Age | 5 |
| Regional | |
| Overall | 50 |
| Gender | 5 |
| Age group | 7 |
| 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 | 7 |
| Score | 4.5 |
| Percent | 64.3 |
| Aor | 1395.2 |
| Dp | 121.4 |
| Prat | 1516.6 |
Performance ()
| Games | 66 |
| Score | 34.5 |
| Percent | 52.3 |
| Aor | 1375.2 |
| Dp | 19.3 |
| Prat | 1394.5 |
Performance (12 months)
| Games | 105 |
| Score | 59.5 |
| Percent | 56.7 |
| Aor | 1354.2 |
| Dp | 56.7 |
| Prat | 1410.8 |
Performance (History)
| Games | 162 |
| Score | 85 |
| Percent | 52.5 |
| Aor | 1325.3 |
| Dp | 21 |
| Prat | 1346.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Armstrong, K (Kristin) | 7 | 4 | 3 | NMBCH Trial 1 2025 (U10) | Fide in the Bay 2026 (U12) | Details |
| Overall | 2 | Van Huyssteen, Z (Zani) | 6 | 2 | 4 | NMBCH Trial 1 2025 (U10) | EC Closed 2025 (U8+U10 Girls) | Details |
| Overall | 3 | Mitchell, N (Nicholas) | 6 | 4 | 2 | NMB 2nd Trials 2025 (U10) | Fide in the Bay 2026 (U12) | Details |
| Overall | 4 | Kapp, A (Amelie) | 4 | 2 | 2 | NMBCU Trial 4 2025 (U10) | South African Junior Closed Chess Championship 2026 (U10 Girls) | Details |
| Overall | 5 | Viljoen, C (Colton) | 4 | 3 | 1 | NMB 3rd Trials 2025 (U10) | NMBCU Trial 1 2026 (U12) | Details |
| Standard | 1 | Armstrong, K (Kristin) | 7 | 4 | 3 | NMBCH Trial 1 2025 (U10) | Fide in the Bay 2026 (U12) | Details |
| Standard | 2 | Mitchell, N (Nicholas) | 6 | 4 | 2 | NMB 2nd Trials 2025 (U10) | Fide in the Bay 2026 (U12) | Details |
| Standard | 3 | Van Huyssteen, Z (Zani) | 6 | 2 | 4 | NMBCH Trial 1 2025 (U10) | EC Closed 2025 (U8+U10 Girls) | Details |
| Standard | 4 | Viljoen, C (Colton) | 4 | 3 | 1 | NMB 3rd Trials 2025 (U10) | NMBCU Trial 1 2026 (U12) | Details |
| Standard | 5 | Smith, A (Ayden) | 3 | 2 | 1 | NMBCH Trial 1 2025 (U10) | UCC Mind Over Board 2025 (B) | Details |