PLAYER PAGE
Iviwe Sizani
2160312678Nelson Mandela Bay (ENM)Personal
Main rating
| Rating | 1426.7 |
| K-factor | 32 |
| Floor | 957.5 |
| Highest | 1511.3 (2026-01-01) |
| Min/Max +/- allowed | 106 |
| Rating Change () | |
| Games | 13 |
| Score | 10.5 |
| We | 7.14 |
| SWe | 1.85 |
| Temp +/- | 59 |
| Penalties | 0 |
| Weight perform | 1475.5 |
| Final +/- | +59 |
| New Rating () | |
| Rating | 1485.7 |
| K-factor | 32 |
| Floor | 957.5 |
| Highest | 1511.3 (2026-01-01) |
| Min/Max +/- allowed | 106.4 |
Standard rating
| Rating | 1422 |
| K-factor | 32 |
| Floor | 943 |
| Highest | 1493.4 (2026-01-01) |
| Min/Max +/- allowed | 109.2 |
| Rating Change () | |
| Games | 5 |
| Score | 4 |
| We | 2.67 |
| SWe | 1.33 |
| Temp +/- | 42.6 |
| Penalties | 0 |
| Weight perform | 1475.5 |
| Final +/- | +53.4 |
| New Rating () | |
| Rating | 1475.5 |
| 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 | 8 |
| Score | 6.5 |
| We | 5.38 |
| SWe | 0.86 |
| Temp +/- | 30.9 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | +30.9 |
| New Rating () | |
| Rating | 1326.2 |
| K-factor | 36 |
| Floor | 826.2 |
| Highest | 1326.2 (2026-10-01) |
| Min/Max +/- allowed | 138.5 |
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 | YCA TDP Team Event 2026 (Senior) | Rapid | 2026-08-29 | 2026-08-29 | Nelson Mandela Bay (ENM) | 9 | 1426.7 | 5 | 4.5 | 1685.7 | 20 | Details |
| 2 | Eastern Cape Closed Championship 2026 (U12 Girls) | Standard | 2026-09-25 | 2026-09-26 | Sarah Baartman (ESB) | 6 | 1426.7 | 5 | 4 | 1650.6 | 36.6 | Details |
| 3 | Eastern Cape Chess Festival 2026 (Inter-Regionals U12) | Rapid | 2026-09-25 | 2026-09-25 | Sarah Baartman (ESB) | 5 | 1426.7 | 3 | 2 | 1481.2 | 2.5 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | NMB Closed 2026 (U12) | Standard | 2026-08-15 | 2026-08-15 | Nelson Mandela Bay (ENM) | 5 | 1426.7 | 5 | 2.5 | 1437.1 | -1 | Details |
| 2 | Western Cape Women's Championship 2026 (Intermediate) | Standard | 2026-08-09 | 2026-08-10 | West Coast (WCU) | 5 | 1426.7 | 5 | 3 | 1380.6 | -7.4 | Details |
| 3 | Western Cape Women's Championship 2026 (U12) | Standard | 2026-08-08 | 2026-08-08 | West Coast (WCU) | 5 | 1426.7 | 5 | 3 | 1434.3 | -1.3 | Details |
| 4 | 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 |
| 5 | Commonwealth Chess Championship 2026 | Classical | 2026-05-17 | 2026-05-25 | Sri Lanka (SRI) | 9 | 1443 | 8 | 2 | 1254.1 | -57 | Details |
| 6 | Spartans Bishops 2026 (Junior Pawns) | Standard | 2026-05-01 | 2026-05-01 | Sarah Baartman (ESB) | 5 | 1443 | 5 | 3 | 1588.5 | 14.8 | Details |
| 7 | 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 |
| 8 | 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 |
| 9 | 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 |
| 10 | 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 |
| 11 | 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 |
| 12 | UCC Blitz February 2026 | Blitz | 2026-02-24 | 2026-02-24 | Nelson Mandela Bay (ENM) | 6 | 1415.6 | 6 | 4 | 1336 | -2.5 | Details |
| 13 | 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 |
| 14 | 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 |
| 15 | 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 |
| 16 | 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 |
| 17 | 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 |
| 18 | 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 |
| 19 | 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 |
| 20 | PECC - Rapid 2025 (A) | Rapid | 2025-10-23 | 2025-10-30 | Nelson Mandela Bay (ENM) | 6 | 1406 | 3 | 1 | 1358.6 | -1.6 | Details |
| 21 | 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 |
| 22 | 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 |
| 23 | 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 |
| 24 | 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 |
| 25 | 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 |
| 26 | 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 |
| 27 | 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 |
| 28 | 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 |
| 29 | 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 |
| 30 | 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 |
| 31 | NMBCU Open 2025 (C) | Standard | 2025-05-23 | 2025-05-24 | Nelson Mandela Bay (ENM) | 6 | 1190.6 | 6 | 2 | 1131.4 | -7 | Details |
| 32 | 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 |
| 33 | 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 |
| 34 | 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 |
| 35 | 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 |
| 36 | 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 | 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 | 94 |
| Wins | 50 |
| Draws | 7 |
| Losses | 37 |
| White | 47 |
| Black | 47 |
| White wins | 26 |
| Black wins | 24 |
| Score | 53.5 |
| Percent | 56.9 |
| Dp | 58.8 |
| AOR | 1371.3 |
| Performance | 1430 |
Game statistics (History)
| Games | 190 |
| Wins | 99 |
| Draws | 10 |
| Losses | 81 |
| White | 97 |
| Black | 93 |
| White wins | 53 |
| Black wins | 46 |
| Score | 104 |
| Percent | 54.7 |
| Dp | 40.3 |
| AOR | 1330.7 |
| Performance | 1371 |
Rankings (Main)
| National | |
| Overall | 3055 |
| Gender | 449 |
| Age group | 262 |
| Gender/Age | 58 |
| Provincial | |
| Overall | 346 |
| Gender | 49 |
| Age group | 36 |
| Gender/Age | 7 |
| Regional | |
| Overall | 123 |
| Gender | 16 |
| Age group | 13 |
| Gender/Age | 2 |
Rankings (Standard)
| National | |
| Overall | 2780 |
| Gender | 445 |
| Age group | 256 |
| Gender/Age | 56 |
| Provincial | |
| Overall | 319 |
| Gender | 51 |
| Age group | 37 |
| Gender/Age | 7 |
| Regional | |
| Overall | 108 |
| Gender | 17 |
| Age group | 13 |
| Gender/Age | 2 |
Rankings (Rapid)
| National | |
| Overall | 2181 |
| Gender | 391 |
| Age group | 325 |
| Gender/Age | 77 |
| Provincial | |
| Overall | 199 |
| Gender | 39 |
| Age group | 30 |
| Gender/Age | 8 |
| Regional | |
| Overall | 54 |
| Gender | 7 |
| Age group | 8 |
| 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 | 94 |
| Score | 53.5 |
| Percent | 56.9 |
| Aor | 1371.3 |
| Dp | 58.8 |
| Prat | 1430 |
Performance (12 months)
| Games | 114 |
| Score | 67.5 |
| Percent | 59.2 |
| Aor | 1367.5 |
| Dp | 78.3 |
| Prat | 1445.8 |
Performance (History)
| Games | 190 |
| Score | 104 |
| Percent | 54.7 |
| Aor | 1330.7 |
| Dp | 40.3 |
| Prat | 1371 |
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 | Viljoen, C (Colton) | 4 | 3 | 1 | NMB 3rd Trials 2025 (U10) | NMBCU Trial 1 2026 (U12) | Details |
| Overall | 5 | Kapp, A (Amelie) | 4 | 2 | 2 | NMBCU Trial 4 2025 (U10) | South African Junior Closed Chess Championship 2026 (U10 Girls) | 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 | Celliers, M (Morgan) | 3 | 1 | 2 | NMBCU Trial 4 2025 (U10) | 2026 NMBCU Trials 2 (U12) | Details |