PLAYER PAGE
Jackie Ngubeni
162027530Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1565.3 |
| K-factor | 28 |
| Floor | 1165.3 |
| Highest | 1669.8 (2025-09-30) |
| Min/Max +/- allowed | 85 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1447.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1565.3 |
| K-factor | 28 |
| Floor | 1165.3 |
| Highest | 1669.8 (2025-09-30) |
| Min/Max +/- allowed | 84.9 |
Standard rating
| Rating | 1562.7 |
| K-factor | 28 |
| Floor | 1165.3 |
| Highest | 1666 (2025-09-30) |
| Min/Max +/- allowed | 85.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1404.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1562.7 |
| K-factor | 28 |
| Floor | 1165.3 |
| Highest | 1666 (2025-09-30) |
| Min/Max +/- allowed | 85.4 |
Rapid rating
| Rating | 1569.2 |
| K-factor | 28 |
| Floor | 1165.3 |
| Highest | 1665.3 (2018-02-01) |
| Min/Max +/- allowed | 85.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1548.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1569.2 |
| K-factor | 28 |
| Floor | 1165.3 |
| Highest | 1665.3 (2018-02-01) |
| Min/Max +/- allowed | 85.5 |
Blitz rating
| Rating | 1544 |
| K-factor | 28 |
| Floor | 1165.3 |
| Highest | 1665.3 (2018-02-01) |
| Min/Max +/- allowed | 85.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1498.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1544 |
| K-factor | 28 |
| Floor | 1165.3 |
| Highest | 1665.3 (2018-02-01) |
| Min/Max +/- allowed | 85.5 |
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 | Dr KK Chess - Curro 2026 (A) | Standard | 2026-02-07 | 2026-02-07 | Dr Kenneth Kaunda (NWP) | 5 | 1570.9 | 5 | 1.5 | 1388.5 | 0 | Details |
| 2 | Randburg Chess Club New Year Rapid 2026 | Rapid | 2026-01-27 | 2026-02-03 | Johannesburg Metro (GJM) | 6 | 1570.9 | 3 | 1 | 1593.2 | 0 | Details |
| 3 | Randburg Chess Club New Year Blitz 2026 | Blitz | 2026-01-20 | 2026-01-20 | Johannesburg Metro (GJM) | 7 | 1568.7 | 7 | 5 | 1809.8 | 0 | Details |
| 4 | Matlosana Chess Academy 2025 (Open ) | Standard | 2025-12-16 | 2025-12-16 | Dr Kenneth Kaunda (NWP) | 5 | 1608.5 | 4 | 2 | 1228.8 | 0 | Details |
| 5 | Gauteng Inter-Region at Emerald Resort 2025 (Adults+Seniors) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1608.5 | 4 | 1 | 1603.2 | 0 | Details |
| 6 | DR KK Chess Volkies 2025 (Open) | Standard | 2025-10-18 | 2025-10-18 | Dr Kenneth Kaunda (NWP) | 5 | 1669.8 | 5 | 2.5 | 1722.5 | 0 | Details |
| 7 | Randburg Chess Club Rapid Championship 2025 | Rapid | 2025-09-30 | 2025-10-07 | Johannesburg Metro (GJM) | 6 | 1669.8 | 6 | 3 | 1706.7 | 0 | Details |
| 8 | Bojanala's FIDE On The Orion Express 2025 (Queens) | Classical | 2025-10-03 | 2025-10-05 | Bojanala Platina (NBR) | 6 | 1669.8 | 5 | 1 | 1416.1 | 0 | Details |
| 9 | Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025 (A) | Standard | 2025-09-27 | 2025-09-27 | Johannesburg Metro (GJM) | 5 | 1669.8 | 5 | 2.5 | 1627.2 | 0 | Details |
| 10 | Dr KK Regional Trials 2025 (Open) | Standard | 2025-09-06 | 2025-09-06 | Dr Kenneth Kaunda (NWP) | 5 | 1572.2 | 5 | 4 | 1878.8 | 0 | Details |
| 11 | Randburg Winter Swiss 2025 | Standard | 2025-07-29 | 2025-09-16 | Johannesburg Metro (GJM) | 8 | 1572.2 | 8 | 4 | 1550.8 | 0 | Details |
| 12 | Randburg Spring Blitz 2025 | Blitz | 2025-09-23 | 2025-09-23 | Johannesburg Metro (GJM) | 7 | 1572.2 | 7 | 3 | 1438.3 | 0 | Details |
| 13 | Chess Power House Spring Rapid 2025 (A) | Rapid | 2025-09-21 | 2025-09-21 | Ekurhuleni (GE) | 5 | 1572.2 | 5 | 3 | 1697 | 0 | Details |
| 14 | Tshwane Chess Club Clash 2025 (Open) | Standard | 2025-09-13 | 2025-09-13 | Tshwane (GTP) | 5 | 1572.2 | 5 | 4 | 1733.6 | 0 | Details |
| 15 | Ashton John 2025 (Open) | Standard | 2025-08-23 | 2025-08-23 | Dr Kenneth Kaunda (NWP) | 5 | 1572.2 | 5 | 3 | 1598.1 | 0 | Details |
| 16 | JMC Closed 2025 (B) | Standard | 2025-08-09 | 2025-08-10 | Johannesburg Metro (GJM) | 5 | 1539.4 | 5 | 4 | 1712.1 | 0 | Details |
| 17 | Knight Shift Open Chess Tournament 2025 (Open) | Standard | 2025-08-02 | 2025-08-02 | Dr Kenneth Kaunda (NWP) | 5 | 1539.4 | 4 | 2 | 1615.5 | 0 | Details |
| 18 | Randburg Chess Club Winter Rapid 2025 | Rapid | 2025-07-15 | 2025-07-22 | Johannesburg Metro (GJM) | 6 | 1558.4 | 6 | 3 | 1464.8 | 0 | Details |
| 19 | South African Open 2025 (B) | Classical | 2025-06-28 | 2025-07-05 | Johannesburg Metro (GJM) | 11 | 1558.4 | 11 | 5.5 | 1461.3 | 0 | Details |
| 20 | Neil Savage Memorial Randburg Club Champs 2025 | Standard | 2025-05-06 | 2025-06-24 | Johannesburg Metro (GJM) | 8 | 1548.1 | 7 | 4.5 | 1600.2 | 0 | Details |
| 21 | Najdorf Movement 2025 (B) | Standard | 2025-06-14 | 2025-06-16 | Bojanala Platina (NBR) | 7 | 1548.1 | 0 | 0 | 0 | 0 | Details |
| 22 | Mzansi Africa Classic 2025 (Advanced) | Standard | 2025-05-17 | 2025-05-17 | Johannesburg Metro (GJM) | 5 | 1579.2 | 5 | 2 | 1278 | 0 | Details |
| 23 | JMC Crawford Sandton 2025 (B) | Standard | 2025-05-10 | 2025-05-10 | Johannesburg Metro (GJM) | 5 | 1579.2 | 5 | 4 | 1773.8 | 0 | Details |
| 24 | CPH May 2025 (B) | Standard | 2025-05-03 | 2025-05-03 | Johannesburg Metro (GJM) | 5 | 1579.2 | 5 | 3 | 1441.2 | 0 | Details |
| 25 | CURRO Tournament 2025 (Open) | Standard | 2025-04-12 | 2025-04-12 | Dr Kenneth Kaunda (NWP) | 5 | 1634.9 | 5 | 4 | 1690.7 | 0 | Details |
| 26 | Randburg Autumn Rapid 2025 | Rapid | 2025-04-15 | 2025-04-22 | Johannesburg Metro (GJM) | 7 | 1634.9 | 7 | 4 | 1592.2 | 0 | Details |
| 27 | Randburg Chess Club Autumn Blitz | Blitz | 2025-04-08 | 2025-04-08 | Johannesburg Metro (GJM) | 7 | 1634.9 | 7 | 4 | 1432.8 | 0 | Details |
| 28 | Randburg Chess Club New Year Swiss 2025 | Standard | 2025-02-11 | 2025-04-01 | Johannesburg Metro (GJM) | 8 | 1634.9 | 7 | 3 | 1393.1 | 0 | Details |
| 29 | Chess Power House March Open 2025 (B) | Standard | 2025-03-22 | 2025-03-22 | Johannesburg Metro (GJM) | 5 | 1634.1 | 4 | 3 | 1483.4 | 0 | Details |
| 30 | Dr Kenneth Kaunda La Hoff PS 2025 (Open) | Standard | 2025-03-01 | 2025-03-01 | Dr Kenneth Kaunda (NWP) | 5 | 1634.1 | 5 | 4.5 | 1677.9 | 0 | Details |
| 31 | 2025 KSNG Open (B) | Standard | 2025-02-22 | 2025-02-22 | Tshwane (GTP) | 5 | 1542.5 | 5 | 3 | 1666.9 | 0 | Details |
| 32 | DR KK Volkies 2025 (Open) | Standard | 2025-02-01 | 2025-02-01 | Dr Kenneth Kaunda (NWP) | 5 | 1542.5 | 5 | 3 | 1537.4 | 0 | Details |
| 33 | 2025 Blou Bul Open Chess Tournament (B) | Standard | 2025-02-08 | 2025-02-08 | Tshwane (GTP) | 5 | 1542.5 | 5 | 3 | 1718.5 | 0 | Details |
| 34 | Randburg Chess Club New Year Rapid 2025 | Rapid | 2025-01-28 | 2025-02-04 | Johannesburg Metro (GJM) | 6 | 1542.5 | 6 | 4 | 1730 | 0 | Details |
| 35 | Randburg New Year Blitz 2025 | Blitz | 2025-01-21 | 2025-01-21 | Johannesburg Metro (GJM) | 9 | 1536.6 | 9 | 6 | 1620.9 | 0 | Details |
| 36 | Gauteng Inter-Region at UJ 2024 (Adult+Senior) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1572.9 | 5 | 1 | 1345.5 | 0 | Details |
| 37 | Randburg Summer Swiss 2024 | Standard | 2024-10-29 | 2024-11-26 | Johannesburg Metro (GJM) | 5 | 1581.3 | 5 | 3 | 1534.5 | 0 | Details |
| 38 | Randburg Chess Club Blitz Championship 2024 | Blitz | 2024-10-22 | 2024-10-22 | Johannesburg Metro (GJM) | 9 | 1523 | 9 | 5 | 1464.3 | 0 | Details |
| 39 | DR KKD Trails 2 2024 (Open) | Standard | 2024-10-12 | 2024-10-12 | Dr Kenneth Kaunda (NWP) | 5 | 1523 | 5 | 3 | 1469.3 | 0 | Details |
| 40 | Randburg Spring Swiss 2024 | Standard | 2024-08-20 | 2024-10-08 | Johannesburg Metro (GJM) | 7 | 1523 | 7 | 5 | 1833.6 | 0 | Details |
| 41 | DR KKD Mooirivier Trials 2024 (Open) | Standard | 2024-09-14 | 2024-09-14 | Dr Kenneth Kaunda (NWP) | 5 | 1523.2 | 4 | 2 | 1434.8 | 0 | Details |
| 42 | JCC Khelo India 1st Annual Chess Tournament 2024 (A) | Standard | 2024-08-31 | 2024-08-31 | Johannesburg Metro (GJM) | 5 | 1523.2 | 5 | 2 | 1585.6 | 0 | Details |
| 43 | Bojanala's FIDE In The Sparkling Waters 2024 (Prestige) | Classical | 2024-08-16 | 2024-08-18 | Bojanala Platina (NBR) | 6 | 1505.7 | 6 | 2.5 | 1604.2 | 0 | Details |
| 44 | Randburg Rapid Club Champs 2024 | Rapid | 2024-06-08 | 2024-08-13 | Johannesburg Metro (GJM) | 8 | 1505.7 | 8 | 6 | 1742.7 | 0 | Details |
| 45 | Randburg Chess Club Winter Swiss 2024 | Standard | 2024-06-11 | 2024-07-30 | Johannesburg Metro (GJM) | 7 | 1505.7 | 7 | 2 | 1285.1 | 0 | Details |
| 46 | Eureka Open 27 July 2024 (B) | Standard | 2024-07-27 | 2024-07-27 | Sedibeng (GSV) | 5 | 1461.8 | 3 | 2 | 1685.6 | 0 | Details |
| 47 | DR KKD Saamtrek 2024 (Open) | Standard | 2024-06-08 | 2024-06-08 | Dr Kenneth Kaunda (NWP) | 5 | 1450.2 | 5 | 3 | 1536.7 | 0 | Details |
| 48 | Randburg Autumn Rapid 2024 | Rapid | 2024-05-28 | 2024-06-04 | Johannesburg Metro (GJM) | 6 | 1450.2 | 6 | 3 | 1440.8 | 0 | Details |
| 49 | Randburg Chess Club Championship 2024 | Standard | 2024-04-09 | 2024-05-21 | Johannesburg Metro (GJM) | 7 | 1414.7 | 7 | 5 | 1583.9 | 0 | Details |
| 50 | 1st Knights Open Tournament 2024 (B) | Standard | 2024-03-23 | 2024-03-23 | Johannesburg Metro (GJM) | 5 | 1513.1 | 5 | 2 | 1294.3 | 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 | 15 |
| Wins | 7 |
| Draws | 1 |
| Losses | 7 |
| White | 8 |
| Black | 7 |
| White wins | 3 |
| Black wins | 4 |
| Score | 7.5 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1626 |
| Performance | 1626 |
Game statistics (History)
| Games | 481 |
| Wins | 250 |
| Draws | 14 |
| Losses | 217 |
| White | 247 |
| Black | 234 |
| White wins | 138 |
| Black wins | 112 |
| Score | 257 |
| Percent | 53.4 |
| Dp | 29.2 |
| AOR | 1523.7 |
| Performance | 1552.9 |
Rankings (Main)
| National | |
| Overall | 1208 |
| Gender | 1102 |
| Age group | 103 |
| Gender/Age | 103 |
| Provincial | |
| Overall | 434 |
| Gender | 393 |
| Age group | 39 |
| Gender/Age | 39 |
| Regional | |
| Overall | 157 |
| Gender | 140 |
| Age group | 15 |
| Gender/Age | 15 |
Rankings (Standard)
| National | |
| Overall | 1136 |
| Gender | 1028 |
| Age group | 95 |
| Gender/Age | 95 |
| Provincial | |
| Overall | 423 |
| Gender | 378 |
| Age group | 35 |
| Gender/Age | 35 |
| Regional | |
| Overall | 147 |
| Gender | 130 |
| Age group | 13 |
| Gender/Age | 13 |
Rankings (Rapid)
| National | |
| Overall | 191 |
| Gender | 184 |
| Age group | 32 |
| Gender/Age | 32 |
| Provincial | |
| Overall | 44 |
| Gender | 42 |
| Age group | 15 |
| Gender/Age | 15 |
| Regional | |
| Overall | 26 |
| Gender | 25 |
| Age group | 8 |
| Gender/Age | 8 |
Rankings (Blitz)
| National | |
| Overall | 116 |
| Gender | 114 |
| Age group | 19 |
| Gender/Age | 19 |
| Provincial | |
| Overall | 40 |
| Gender | 40 |
| Age group | 9 |
| Gender/Age | 9 |
| Regional | |
| Overall | 21 |
| Gender | 21 |
| Age group | 5 |
| Gender/Age | 5 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 15 |
| Score | 7.5 |
| Percent | 50 |
| Aor | 1626 |
| Dp | 0 |
| Prat | 1626 |
Performance (12 months)
| Games | 157 |
| Score | 86.5 |
| Percent | 55.1 |
| Aor | 1521.4 |
| Dp | 43.3 |
| Prat | 1564.7 |
Performance (History)
| Games | 481 |
| Score | 257 |
| Percent | 53.4 |
| Aor | 1523.7 |
| Dp | 29.2 |
| Prat | 1552.9 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Tracey, T (Terence) | 7 | 3 | 4 | Randburg Club Championship Rapid 2023 | Randburg Autumn Rapid 2025 | Details |
| Overall | 2 | Metcalfe, AR (Allister Richard) | 7 | 5 | 2 | Randburg New Year Rapid 2024 | Randburg Chess Club New Year Blitz 2026 | Details |
| Overall | 3 | Snyckers, A (Adam) | 6 | 4 | 2 | Randburg Rapid Club Champs 2024 | Randburg Spring Blitz 2025 | Details |
| Overall | 4 | Durow, NL (Neil) | 5 | 4 | 1 | Randburg Mid-Year Themed Rapid 2023 | Randburg Chess Club Rapid Championship 2025 | Details |
| Overall | 5 | Tak, R (Rannveer) | 5 | 0 | 5 | Randburg Mid-Year Themed Rapid 2023 | Randburg Spring Blitz 2025 | Details |
| Standard | 1 | Kruger, I (Ivan) | 5 | 2 | 3 | JMC Crawford Sandton 2025 (B) | Randburg Winter Swiss 2025 | Details |
| Standard | 2 | Mendelsohn, DC (David Charles) | 4 | 4 | 0 | Randburg Chess Club Winter Swiss 2024 | Randburg Winter Swiss 2025 | Details |
| Standard | 3 | Van Der Walt, J (Jacobus Harm) | 4 | 0 | 4 | DR KKD Mooirivier Trials 2024 (Open) | CURRO Tournament 2025 (Open) | Details |
| Standard | 4 | Martynov, A (Alexey) | 4 | 2 | 2 | Randburg Chess Club New Year Swiss 2024 | Randburg Chess Club New Year Swiss 2025 | Details |
| Standard | 5 | Choeu, K (Kagisho) | 4 | 2 | 2 | DR KKD Saamtrek 2024 (Open) | DR KK Chess Volkies 2025 (Open) | Details |
| Rapid | 1 | Hodgson, TF (Timothy Fish) | 3 | 1 | 2 | Randburg Autumn Rapid 2024 | Randburg Chess Club Winter Rapid 2025 | Details |
| Rapid | 2 | Mazibuko, K (Khanya) | 3 | 0 | 3 | Randburg Mid-Year Themed Rapid 2023 | Randburg Chess Club New Year Rapid 2025 | Details |
| Rapid | 3 | Tracey, T (Terence) | 3 | 2 | 1 | Randburg Club Championship Rapid 2023 | Randburg Autumn Rapid 2025 | Details |
| Rapid | 4 | Essop, H (Haroon) | 3 | 3 | 0 | Randburg Club Championship Rapid 2023 | Randburg Chess Club New Year Rapid 2025 | Details |
| Rapid | 5 | Sparks, SJW (Stephen) | 3 | 2 | 1 | Randburg Club Championship Rapid 2023 | Randburg Autumn Rapid 2025 | Details |
| Blitz | 1 | Ahmid, K (Kaleem) | 3 | 2 | 1 | Randburg Chess Club Autumn Blitz | Randburg Chess Club New Year Blitz 2026 | Details |
| Blitz | 2 | Snyckers, A (Adam) | 2 | 1 | 1 | Randburg Chess Club Blitz Championship 2024 | Randburg Spring Blitz 2025 | Details |
| Blitz | 3 | Malaza, M (Malibongwe) | 2 | 1 | 1 | Randburg Chess Club Blitz Championship 2024 | Randburg Spring Blitz 2025 | Details |
| Blitz | 4 | Loon, M (Marc) | 2 | 1 | 1 | Randburg New Year Blitz 2025 | Randburg Chess Club New Year Blitz 2026 | Details |
| Blitz | 5 | Sinha, A (Anurag) | 2 | 1 | 1 | Randburg New Year Blitz 2025 | Randburg Chess Club Autumn Blitz | Details |