PLAYER PAGE
Isaiah Khan
1170318059King Cetshwayo (KUR)Personal
Main rating
| Rating | 1617.1 |
| K-factor | 28 |
| Floor | 1118.7 |
| Highest | 1618.7 (2026-08-01) |
| Min/Max +/- allowed | 91 |
| Rating Change () | |
| Games | 10 |
| Score | 9 |
| We | 8.29 |
| SWe | 0.61 |
| Temp +/- | 17 |
| Penalties | 0 |
| Weight perform | 1609.9 |
| Final +/- | +17 |
| New Rating () | |
| Rating | 1634.1 |
| K-factor | 28 |
| Floor | 1134.1 |
| Highest | 1634.1 (2026-10-01) |
| Min/Max +/- allowed | 89.3 |
Standard rating
| Rating | 1619.6 |
| K-factor | 28 |
| Floor | 1119.6 |
| Highest | 1619.6 (2026-08-01) |
| Min/Max +/- allowed | 91.2 |
| Rating Change () | |
| Games | 10 |
| Score | 9 |
| We | 8.41 |
| SWe | 0.59 |
| Temp +/- | 16.5 |
| Penalties | 0 |
| Weight perform | 1632.6 |
| Final +/- | +16.5 |
| New Rating () | |
| Rating | 1636 |
| K-factor | 28 |
| Floor | 1136 |
| Highest | 1636 (2026-10-01) |
| Min/Max +/- allowed | 89.1 |
Rapid rating
| Rating | 1328 |
| K-factor | 36 |
| Floor | 828 |
| Highest | 1328 (2026-09-01) |
| Min/Max +/- allowed | 138.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1328 |
| K-factor | 36 |
| Floor | 828 |
| Highest | 1328 (2026-09-01) |
| Min/Max +/- allowed | 138.2 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-04-01) |
| 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 | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-04-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 KwaZulu Natal Closed II (U10 Boys) | Standard | 2026-09-26 | 2026-09-27 | Ethekwini (KED) | 5 | 1617.1 | 5 | 5 | 1734.1 | 17.9 | Details |
| 2 | 4th Annual UNIZULU Chess Tournament 2026 (U12) | Standard | 2026-09-12 | 2026-09-12 | King Cetshwayo (KUR) | 5 | 1617.1 | 5 | 4 | 1589.6 | -0.9 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 King Cetshwayo Inter-School Teams (Junior Primary) | Rapid | 2026-08-01 | 2026-08-01 | King Cetshwayo (KUR) | 6 | 1617.1 | 6 | 5 | 1597.2 | -1.6 | Details |
| 2 | 2026 KwaZulu Natal Closed Championship (U10) | Standard | 2026-06-27 | 2026-06-28 | Ethekwini (KED) | 5 | 1613.2 | 5 | 4.5 | 1640.4 | 5.5 | Details |
| 3 | 2026 King Cetshwayo Winter Open (U10+U12) | Standard | 2026-05-23 | 2026-05-23 | King Cetshwayo (KUR) | 5 | 1508.1 | 5 | 4.5 | 1741.9 | 35.6 | Details |
| 4 | 2026 King Cetshwayo 1st FIDE Open (B) | Standard | 2026-04-18 | 2026-04-19 | King Cetshwayo (KUR) | 5 | 1508.1 | 5 | 3.5 | 1574.2 | 10.6 | Details |
| 5 | 2026 KwaZulu Natal Open (D) | Standard | 2026-05-01 | 2026-05-03 | Ethekwini (KED) | 7 | 1508.1 | 7 | 5 | 1608.8 | 23.9 | Details |
| 6 | 2026 Eshowe High Chess Tournament (U12) | Standard | 2026-03-14 | 2026-03-14 | King Cetshwayo (KUR) | 5 | 1463.9 | 5 | 4 | 1566.4 | 17.1 | Details |
| 7 | 2026 King Cetshwayo Championship (U10) | Standard | 2026-02-28 | 2026-02-28 | King Cetshwayo (KUR) | 5 | 1463.9 | 5 | 3.5 | 1429.8 | -4.4 | Details |
| 8 | 2026 King Cetshwayo Chess Open (U10) | Standard | 2026-02-07 | 2026-02-07 | King Cetshwayo (KUR) | 5 | 1408.5 | 5 | 4 | 1513.7 | 11.1 | Details |
| 9 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1290.7 | 6 | 6 | 1712.4 | 49.5 | Details |
| 10 | 2025 King Cetshwayo Summer Open (U10) | Standard | 2025-10-25 | 2025-10-25 | King Cetshwayo (KUR) | 5 | 1266.4 | 5 | 3 | 1412.4 | 13.4 | Details |
| 11 | 2025 KZN Provincial Trials (U10) | Rapid | 2025-09-06 | 2025-09-06 | Ethekwini (KED) | 6 | 1242.9 | 6 | 3.5 | 1397.5 | 13 | Details |
| 12 | 2025 King Cetshwayo Inter-School Teams Junior Primary | Rapid | 2025-08-02 | 2025-08-02 | King Cetshwayo (KUR) | 3 | 1230.1 | 3 | 2 | 1409.9 | 7.1 | Details |
| 13 | 2025 King Cetshwayo Winter Open (U10) | Standard | 2025-05-17 | 2025-05-17 | King Cetshwayo (KUR) | 5 | 1199.9 | 5 | 3 | 1348.1 | 15.1 | Details |
| 14 | 2025 Kinng Cetshwayo Championship (U10) | Standard | 2025-03-01 | 2025-03-01 | King Cetshwayo (KUR) | 5 | 1200 | 5 | 2 | 1136.1 | -5.6 | 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 | 53 |
| Wins | 40 |
| Draws | 6 |
| Losses | 7 |
| White | 26 |
| Black | 27 |
| White wins | 20 |
| Black wins | 20 |
| Score | 43 |
| Percent | 81.1 |
| Dp | 264.6 |
| AOR | 1335.3 |
| Performance | 1599.9 |
Game statistics (History)
| Games | 83 |
| Wins | 59 |
| Draws | 7 |
| Losses | 17 |
| White | 41 |
| Black | 42 |
| White wins | 32 |
| Black wins | 27 |
| Score | 62.5 |
| Percent | 75.3 |
| Dp | 215.1 |
| AOR | 1317.1 |
| Performance | 1532.2 |
Rankings (Main)
| National | |
| Overall | 977 |
| Gender | 906 |
| Age group | 25 |
| Gender/Age | 23 |
| Provincial | |
| Overall | 56 |
| Gender | 56 |
| Age group | 1 |
| Gender/Age | 1 |
| Regional | |
| Overall | 4 |
| Gender | 4 |
| Age group | 1 |
| Gender/Age | 1 |
Rankings (Standard)
| National | |
| Overall | 879 |
| Gender | 815 |
| Age group | 27 |
| Gender/Age | 25 |
| Provincial | |
| Overall | 48 |
| Gender | 48 |
| Age group | 1 |
| Gender/Age | 1 |
| Regional | |
| Overall | 4 |
| Gender | 4 |
| Age group | 1 |
| Gender/Age | 1 |
Rankings (Rapid)
| National | |
| Overall | 1677 |
| Gender | 1413 |
| Age group | 90 |
| Gender/Age | 74 |
| Provincial | |
| Overall | 170 |
| Gender | 144 |
| Age group | 9 |
| Gender/Age | 6 |
| Regional | |
| Overall | 27 |
| Gender | 23 |
| Age group | 2 |
| Gender/Age | 2 |
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 | 53 |
| Score | 43 |
| Percent | 81.1 |
| Aor | 1335.3 |
| Dp | 264.6 |
| Prat | 1599.9 |
Performance (12 months)
| Games | 59 |
| Score | 49 |
| Percent | 83.1 |
| Aor | 1330.4 |
| Dp | 280.9 |
| Prat | 1611.4 |
Performance (History)
| Games | 83 |
| Score | 62.5 |
| Percent | 75.3 |
| Aor | 1317.1 |
| Dp | 215.1 |
| Prat | 1532.2 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Moodley, J (Jatin) | 9 | 5 | 4 | 2025 Kinng Cetshwayo Championship (U10) | 2026 King Cetshwayo Inter-School Teams (Junior Primary) | Details |
| Overall | 2 | Ramdhani, R (Rashil) | 4 | 1 | 3 | 2026 King Cetshwayo Chess Open (U10) | 2026 King Cetshwayo Inter-School Teams (Junior Primary) | Details |
| Overall | 3 | Perumal, G (Gabriella) | 3 | 1 | 2 | 2026 Eshowe High Chess Tournament (U12) | 2026 King Cetshwayo Winter Open (U10+U12) | Details |
| Overall | 4 | Perumal, L (Leyton) | 2 | 2 | 0 | 2026 Eshowe High Chess Tournament (U12) | 2026 King Cetshwayo Winter Open (U10+U12) | Details |
| Overall | 5 | Beharry, S (Sascha) | 2 | 1 | 1 | 2026 King Cetshwayo Chess Open (U10) | 2026 King Cetshwayo Championship (U10) | Details |
| Standard | 1 | Moodley, J (Jatin) | 6 | 4 | 2 | 2025 Kinng Cetshwayo Championship (U10) | 2026 KwaZulu Natal Closed Championship (U10) | Details |
| Standard | 2 | Perumal, G (Gabriella) | 3 | 1 | 2 | 2026 Eshowe High Chess Tournament (U12) | 2026 King Cetshwayo Winter Open (U10+U12) | Details |
| Standard | 3 | Ramdhani, R (Rashil) | 2 | 0 | 2 | 2026 King Cetshwayo Chess Open (U10) | 2026 King Cetshwayo Championship (U10) | Details |
| Standard | 4 | Cronje, M (Marne) | 2 | 2 | 0 | 2025 King Cetshwayo Summer Open (U10) | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Details |
| Standard | 5 | Thring, C (Connor) | 2 | 1 | 1 | 2025 King Cetshwayo Winter Open (U10) | 2025 King Cetshwayo Summer Open (U10) | Details |
| Rapid | 1 | Moodley, J (Jatin) | 3 | 1 | 2 | 2025 King Cetshwayo Inter-School Teams Junior Primary | 2026 King Cetshwayo Inter-School Teams (Junior Primary) | Details |
| Rapid | 2 | Ramdhani, R (Rashil) | 2 | 1 | 1 | 2026 King Cetshwayo Inter-School Teams (Junior Primary) | 2026 King Cetshwayo Inter-School Teams (Junior Primary) | Details |
| Rapid | 3 | Terblanche, J (Jankè) | 2 | 1 | 1 | 2026 King Cetshwayo Inter-School Teams (Junior Primary) | 2026 King Cetshwayo Inter-School Teams (Junior Primary) | Details |