PLAYER PAGE
Zander De Jager
1120311079Ekurhuleni (GE)Personal
Main rating
| Rating | 1537 |
| K-factor | 28 |
| Floor | 1127.2 |
| Highest | 1627.2 (2025-09-30) |
| Min/Max +/- allowed | 90 |
| Rating Change () | |
| Games | 10 |
| Score | 6.5 |
| We | 6.69 |
| SWe | -0.62 |
| Temp +/- | -17.4 |
| Penalties | 0 |
| Weight perform | 1339 |
| Final +/- | -17.4 |
| New Rating () | |
| Rating | 1519.5 |
| K-factor | 28 |
| Floor | 1127.2 |
| Highest | 1627.2 (2025-09-30) |
| Min/Max +/- allowed | 90.2 |
Standard rating
| Rating | 1520.8 |
| K-factor | 28 |
| Floor | 1112.9 |
| Highest | 1612.9 (2025-09-30) |
| Min/Max +/- allowed | 92.1 |
| Rating Change () | |
| Games | 5 |
| Score | 1.5 |
| We | 2.4 |
| SWe | -0.9 |
| Temp +/- | -25.2 |
| Penalties | 0 |
| Weight perform | 1300.8 |
| Final +/- | -25.2 |
| New Rating () | |
| Rating | 1495.6 |
| K-factor | 28 |
| Floor | 1112.9 |
| Highest | 1612.9 (2025-09-30) |
| Min/Max +/- allowed | 92.1 |
Rapid rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-09-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 5 |
| Score | 5 |
| We | 3.24 |
| SWe | 0.47 |
| Temp +/- | 16.9 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | +16.9 |
| New Rating () | |
| Rating | 1216.9 |
| K-factor | 36 |
| Floor | 716.9 |
| Highest | 1216.9 (2026-10-01) |
| Min/Max +/- allowed | 161.9 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-09-01) |
| 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 (2024-09-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Gauteng Closed Chess Championships 2026 (U16 Open) | Standard | 2026-10-17 | 2026-10-17 | Ekurhuleni (GE) | 5 | 1537 | 5 | 1.5 | 1387.2 | -21.5 | Details |
| 2 | Gauteng Top Schools Teams 2026 (U15 Open) | Rapid | 2026-08-28 | 2026-08-28 | Ekurhuleni (GE) | 5 | 1537 | 5 | 5 | 1555.2 | 4.1 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2025 Mzansi Individual Championships (U14 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1588 | 6 | 2 | 1224.4 | -49.4 | Details |
| 2 | 2025 Mzansi Inter Provincial Team Championships (U14 Open) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1588 | 6 | 3 | 1487.2 | -11.6 | Details |
| 3 | Gauteng Inter-Region at Emerald Resort 2025 (U14 Championship) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1588 | 5 | 1.5 | 1413.3 | -20.1 | Details |
| 4 | Ekurhuleni Trial 4 2025 (E) | Standard | 2025-09-21 | 2025-09-21 | Ekurhuleni (GE) | 5 | 1522.4 | 5 | 4 | 1653.8 | 12.3 | Details |
| 5 | East Rand Chess Club Open 2025 (C) | Standard | 2025-08-09 | 2025-08-09 | Ekurhuleni (GE) | 5 | 1522.4 | 5 | 5 | 1822.5 | 28.7 | Details |
| 6 | East Rand Chess Club Open 2025 (C) | Standard | 2025-08-09 | 2025-08-09 | Ekurhuleni (GE) | 5 | 1522.4 | 5 | 5 | 1822.5 | 28.7 | Details |
| 7 | Chess Power House Aug Open 2025 (B) | Standard | 2025-08-16 | 2025-08-16 | Ekurhuleni (GE) | 5 | 1552.9 | 4 | 1 | 1063.8 | -38 | Details |
| 8 | Ekurhuleni Trials 2025 (E) | Standard | 2025-07-26 | 2025-07-26 | Ekurhuleni (GE) | 5 | 1552.9 | 5 | 4.5 | 1752.3 | 18.9 | Details |
| 9 | South African Open 2025 (U14 Open) | Classical | 2025-07-03 | 2025-07-05 | Johannesburg Metro (GJM) | 5 | 1532 | 5 | 3 | 1579.1 | 6.4 | Details |
| 10 | Ekurhuleni Trial 2 2025 (E) | Standard | 2025-06-21 | 2025-06-21 | Ekurhuleni (GE) | 5 | 1466.6 | 5 | 4 | 1634.6 | 15.8 | Details |
| 11 | Ekurhuleni Trials 2025 (E) | Standard | 2025-05-24 | 2025-05-24 | Ekurhuleni (GE) | 5 | 1316.2 | 5 | 4.5 | 1771.6 | 43.7 | Details |
| 12 | South African Junior Closed Chess Championships 2025 (U14 Open) | Classical | 2025-03-31 | 2025-04-05 | Cape Winelands (WCW) | 9 | 1312.8 | 8 | 2 | 1321.6 | 1.2 | Details |
| 13 | East Rand Chess Club Open 2025 (C) | Standard | 2025-03-01 | 2025-03-01 | Ekurhuleni (GE) | 5 | 1296.3 | 5 | 3 | 1371.2 | 8 | Details |
| 14 | 2025 Tshwane Chess OPEN Registration Tournament (B1) | Standard | 2025-01-25 | 2025-01-25 | Tshwane (GTP) | 5 | 1254.6 | 5 | 3 | 1444.8 | 19.1 | Details |
| 15 | Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Combined) | Classical | 2024-12-16 | 2024-12-19 | Capricorn (LCP) | 7 | 1232.6 | 6 | 3 | 1308.2 | 12.2 | Details |
| 16 | CPH Boksburg Open 2024 (C) | Standard | 2024-10-26 | 2024-10-26 | Ekurhuleni (GE) | 5 | 1242.5 | 5 | 2 | 1242.7 | 0 | Details |
| 17 | 2024 Tshwane Chess Club Clash (Open) | Standard | 2024-10-12 | 2024-10-12 | Tshwane (GTP) | 5 | 1242.5 | 4 | 1.5 | 1193 | -4 | Details |
| 18 | 2024 Gauteng North Open Chess Tournament (B) | Standard | 2024-10-05 | 2024-10-06 | Tshwane (GTP) | 5 | 1242.5 | 5 | 1.5 | 1236.7 | -1.5 | Details |
| 19 | Knight Riders Spring Chess Tournament 2024 (C) | Standard | 2024-09-28 | 2024-09-28 | Johannesburg Metro (GJM) | 5 | 1200 | 5 | 2.5 | 1288.2 | 8 | Details |
| 20 | Kings Gambit Chess Open 14 Sept 2024 (C) | Standard | 2024-09-14 | 2024-09-14 | Sedibeng (GSV) | 5 | 1200 | 4 | 2 | 1304.3 | 8.3 | Details |
| 21 | 2024 Curro Hazeldean High Open Chess Tournament (C) | Standard | 2024-09-07 | 2024-09-07 | Tshwane (GTP) | 5 | 1200 | 5 | 3 | 1255.5 | 5 | Details |
Game statistics ( )
| Games | 5 |
| Wins | 1 |
| Draws | 1 |
| Losses | 3 |
| White | 3 |
| Black | 2 |
| White wins | 0 |
| Black wins | 1 |
| Score | 1.5 |
| Percent | 30 |
| Dp | -170 |
| AOR | 1557.2 |
| Performance | 1387.2 |
Game statistics ()
| Games | 10 |
| Wins | 6 |
| Draws | 1 |
| Losses | 3 |
| White | 5 |
| Black | 5 |
| White wins | 2 |
| Black wins | 4 |
| Score | 6.5 |
| Percent | 65 |
| Dp | 127.5 |
| AOR | 1343.7 |
| Performance | 1471.2 |
Game statistics (History)
| Games | 118 |
| Wins | 62 |
| Draws | 11 |
| Losses | 45 |
| White | 66 |
| Black | 62 |
| White wins | 38 |
| Black wins | 34 |
| Score | 67.5 |
| Percent | 57.2 |
| Dp | 61.2 |
| AOR | 1380.2 |
| Performance | 1441.5 |
Rankings (Main)
| National | |
| Overall | 1596 |
| Gender | 1432 |
| Age group | 175 |
| Gender/Age | 145 |
| Provincial | |
| Overall | 571 |
| Gender | 508 |
| Age group | 57 |
| Gender/Age | 45 |
| Regional | |
| Overall | 77 |
| Gender | 69 |
| Age group | 12 |
| Gender/Age | 8 |
Rankings (Standard)
| National | |
| Overall | 1587 |
| Gender | 1394 |
| Age group | 183 |
| Gender/Age | 151 |
| Provincial | |
| Overall | 593 |
| Gender | 517 |
| Age group | 65 |
| Gender/Age | 49 |
| Regional | |
| Overall | 83 |
| Gender | 71 |
| Age group | 14 |
| Gender/Age | 10 |
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 | 5 |
| Score | 1.5 |
| Percent | 30 |
| Aor | 1557.2 |
| Dp | -170 |
| Prat | 1387.2 |
Performance ()
| Games | 10 |
| Score | 6.5 |
| Percent | 65 |
| Aor | 1343.7 |
| Dp | 127.5 |
| Prat | 1471.2 |
Performance (12 months)
| Games | 27 |
| Score | 13 |
| Percent | 48.1 |
| Aor | 1424.9 |
| Dp | -15.7 |
| Prat | 1409.2 |
Performance (History)
| Games | 118 |
| Score | 67.5 |
| Percent | 57.2 |
| Aor | 1380.2 |
| Dp | 61.2 |
| Prat | 1441.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Visagie, A (Arina) | 3 | 1 | 2 | East Rand Chess Club Open 2025 (C) | East Rand Chess Club Open 2025 (C) | Details |
| Overall | 2 | Matamela, M (Mukovhe) | 3 | 2 | 1 | East Rand Chess Club Open 2025 (C) | East Rand Chess Club Open 2025 (C) | Details |
| Overall | 3 | Gemmell, R (Ryan) | 3 | 2 | 1 | CPH Boksburg Open 2024 (C) | South African Open 2025 (U14 Open) | Details |
| Overall | 4 | Drotsky, R (Ruben) | 2 | 1 | 1 | 2025 Mzansi Inter Provincial Team Championships (U14 Open) | 2025 Mzansi Individual Championships (U14 Open) | Details |
| Overall | 5 | Molete, K (Keabetsoe) | 2 | 0 | 2 | 2025 Mzansi Inter Provincial Team Championships (U14 Open) | 2025 Mzansi Individual Championships (U14 Open) | Details |
| Standard | 1 | Visagie, A (Arina) | 3 | 1 | 2 | East Rand Chess Club Open 2025 (C) | East Rand Chess Club Open 2025 (C) | Details |
| Standard | 2 | Matamela, M (Mukovhe) | 3 | 2 | 1 | East Rand Chess Club Open 2025 (C) | East Rand Chess Club Open 2025 (C) | Details |
| Standard | 3 | Gemmell, R (Ryan) | 3 | 2 | 1 | CPH Boksburg Open 2024 (C) | South African Open 2025 (U14 Open) | Details |
| Standard | 4 | Kalimashe, T (Tshireletso) | 2 | 0 | 2 | CPH Boksburg Open 2024 (C) | South African Open 2025 (U14 Open) | Details |
| Standard | 5 | Maritz, D (Deegan) | 2 | 1 | 1 | East Rand Chess Club Open 2025 (C) | Ekurhuleni Trials 2025 (E) | Details |