PLAYER PAGE
Gregory Whittaker
1740149136Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1552.6 |
| K-factor | 32 |
| Floor | 1052.6 |
| Highest | 1552.6 (2026-06-01) |
| Min/Max +/- allowed | 100 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1510.2 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1552.6 |
| K-factor | 32 |
| Floor | 1052.6 |
| Highest | 1552.6 (2026-06-01) |
| Min/Max +/- allowed | 100.3 |
Standard rating
| Rating | 1564 |
| K-factor | 32 |
| Floor | 1064 |
| Highest | 1564 (2026-06-01) |
| Min/Max +/- allowed | 98.7 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1520.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1564 |
| K-factor | 32 |
| Floor | 1064 |
| Highest | 1564 (2026-06-01) |
| Min/Max +/- allowed | 98.7 |
Rapid rating
| Rating | 1296.3 |
| K-factor | 36 |
| Floor | 796.3 |
| Highest | 1296.3 (2026-06-01) |
| Min/Max +/- allowed | 144.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1258.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1296.3 |
| K-factor | 36 |
| Floor | 796.3 |
| Highest | 1296.3 (2026-06-01) |
| Min/Max +/- allowed | 144.5 |
Blitz rating
| Rating | 1228.9 |
| K-factor | 36 |
| Floor | 751.3 |
| Highest | 1373.9 (2023-06-01) |
| Min/Max +/- allowed | 129.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1178.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1228.9 |
| K-factor | 36 |
| Floor | 751.3 |
| Highest | 1373.9 (2023-06-01) |
| Min/Max +/- allowed | 129.4 |
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 | JMC Crawford Sandton Rapid 2026 (Open) | Rapid | 2026-05-09 | 2026-05-09 | Johannesburg Metro (GJM) | 5 | 1530.1 | 5 | 3.5 | 1599.2 | 7.2 | Details |
| 2 | Moja Chess Extravaganza 2026 (Seniors) | Standard | 2026-04-25 | 2026-04-26 | Cape Town (WCT) | 5 | 1530.1 | 5 | 3 | 1604 | 10.6 | Details |
| 3 | Laer Volkskool Chess Open 14 March 2026 (A) | Standard | 2026-03-14 | 2026-03-14 | Sedibeng (GSV) | 5 | 1463.2 | 5 | 2.5 | 1657.7 | 29 | Details |
| 4 | Pearson Chess Festival 2026 | Standard | 2026-02-27 | 2026-02-28 | Nelson Mandela Bay (ENM) | 5 | 1450.3 | 5 | 2.5 | 1629.2 | 8 | Details |
| 5 | Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025 (A) | Standard | 2025-09-27 | 2025-09-27 | Johannesburg Metro (GJM) | 5 | 1452.9 | 5 | 1.5 | 1444.9 | -1.5 | Details |
| 6 | Chess Power House Spring Rapid 2025 (A) | Rapid | 2025-09-21 | 2025-09-21 | Ekurhuleni (GE) | 5 | 1458.9 | 5 | 1.5 | 1399.9 | -3.8 | Details |
| 7 | JMC Closed 2025 (B) | Standard | 2025-08-09 | 2025-08-10 | Johannesburg Metro (GJM) | 5 | 1406.1 | 5 | 3.5 | 1713.2 | 33 | Details |
| 8 | South African Open 2025 (Blitz) | Blitz | 2025-07-02 | 2025-07-02 | Johannesburg Metro (GJM) | 9 | 1407.5 | 9 | 4 | 1408.6 | -0.9 | Details |
| 9 | Chess Power House Youth Day Rapid 2025 (A) | Rapid | 2025-06-16 | 2025-06-16 | Ekurhuleni (GE) | 5 | 1441.3 | 5 | 1.5 | 1093.6 | -21.1 | Details |
| 10 | Moja Chess Extravaganza 2025 (Blitz) | Blitz | 2025-04-26 | 2025-04-26 | Johannesburg Metro (GJM) | 7 | 1441.3 | 1 | 0 | 1473.1 | 0 | Details |
| 11 | 2025 CT Chess Club Blitz Championship | Blitz | 2025-03-19 | 2025-03-19 | Cape Town (WCT) | 9 | 1447.9 | 9 | 3 | 1344 | -4.1 | Details |
| 12 | Chess Power House March Open 2025 (B) | Standard | 2025-03-22 | 2025-03-22 | Johannesburg Metro (GJM) | 5 | 1380.7 | 5 | 3 | 1455.2 | 6.6 | Details |
| 13 | JMC Crawford Ruimsig 2025 (B) | Standard | 2025-03-01 | 2025-03-01 | Johannesburg Metro (GJM) | 5 | 1380.7 | 5 | 3 | 1581.2 | 18.8 | Details |
| 14 | MCA Welcome 2025 (Advanced) | Standard | 2025-02-15 | 2025-02-15 | Johannesburg Metro (GJM) | 5 | 1365.6 | 5 | 2 | 1464 | 10.1 | Details |
| 15 | CPH Primrose Open 2025 (B) | Standard | 2025-02-08 | 2025-02-08 | Ekurhuleni (GE) | 5 | 1365.6 | 4 | 1.5 | 1344.4 | -1.7 | Details |
| 16 | Randburg New Year Blitz 2025 | Blitz | 2025-01-21 | 2025-01-21 | Johannesburg Metro (GJM) | 9 | 1361.3 | 9 | 4 | 1416.8 | 2.4 | Details |
| 17 | 2024 Tuks Open Chess Tournament (B) | Standard | 2024-09-28 | 2024-09-28 | Tshwane (GTP) | 5 | 1353.8 | 5 | 3 | 1401.6 | 4.1 | Details |
| 18 | Chess Power House July Open 2024 (B) | Standard | 2024-07-20 | 2024-07-20 | Johannesburg Metro (GJM) | 5 | 1283.3 | 4 | 2.5 | 1500.7 | 16.8 | Details |
| 19 | JMC NG Weltevreden Church 2024 | Rapid | 2024-06-29 | 2024-06-29 | Johannesburg Metro (GJM) | 7 | 1283.3 | 7 | 3.5 | 1442.9 | 10.5 | Details |
| 20 | South African Open Chess Championship 2024 (Blitz) | Blitz | 2024-07-04 | 2024-07-04 | Ethekwini (KED) | 11 | 1283.3 | 11 | 5.5 | 1535.9 | 11.8 | Details |
| 21 | JMC Crawford International Sandton 2024 (B) | Standard | 2024-05-11 | 2024-05-11 | Johannesburg Metro (GJM) | 5 | 1296.7 | 5 | 1.5 | 1227.1 | -7.5 | Details |
| 22 | JMC Helpmekaar Kollege Tournament 2024 (B) | Standard | 2024-05-04 | 2024-05-04 | Johannesburg Metro (GJM) | 5 | 1296.7 | 0 | 0 | 0 | 0 | Details |
| 23 | JMC Kick Off Tournament 2024 (B) | Standard | 2024-01-28 | 2024-01-28 | Johannesburg Metro (GJM) | 5 | 1259.6 | 5 | 3 | 1464.6 | 20.6 | Details |
| 24 | Tshwane Chess Arbiter Norm Blitz Tournament 2023 | Blitz | 2023-10-29 | 2023-10-29 | Tshwane (GTP) | 11 | 1255.5 | 11 | 6 | 1292.4 | 2.3 | Details |
| 25 | 2023 Centurion Chess Open (B) | Standard | 2023-09-23 | 2023-09-23 | Tshwane (GTP) | 5 | 1208 | 5 | 2.5 | 1401.9 | 18.1 | Details |
| 26 | Mzansi Spring Rapid 2023 | Rapid | 2023-09-02 | 2023-09-02 | Johannesburg Metro (GJM) | 7 | 1208 | 7 | 3 | 1366.6 | 8.2 | Details |
| 27 | 2023 Tshwane Chess FIDE Rated Blitz League 4 | Blitz | 2023-08-13 | 2023-08-13 | Tshwane (GTP) | 9 | 1198.8 | 9 | 3.5 | 1387.4 | 5 | Details |
| 28 | 2023 Menlo Open Tournament (B) | Standard | 2023-07-22 | 2023-07-22 | Tshwane (GTP) | 5 | 1207.2 | 2 | 0 | 1091.2 | -4.6 | Details |
| 29 | Eureka Open 2023 (B) | Standard | 2023-07-29 | 2023-07-29 | Sedibeng (GSV) | 5 | 1207.2 | 0 | 0 | 0 | 0 | Details |
| 30 | JMC Blitz - Higher Ground 2023 | Blitz | 2023-06-17 | 2023-06-17 | Johannesburg Metro (GJM) | 7 | 1191.6 | 7 | 4 | 1436.1 | 7.7 | Details |
| 31 | Mzansi Rapid 2023 (Intermediate) | Rapid | 2023-02-04 | 2023-02-04 | Johannesburg Metro (GJM) | 6 | 1200 | 5 | 2 | 1141.4 | -4.2 | 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 | 20 |
| Wins | 10 |
| Draws | 3 |
| Losses | 7 |
| White | 11 |
| Black | 9 |
| White wins | 6 |
| Black wins | 4 |
| Score | 11.5 |
| Percent | 57.5 |
| Dp | 63.8 |
| AOR | 1558.8 |
| Performance | 1622.5 |
Game statistics (History)
| Games | 170 |
| Wins | 70 |
| Draws | 20 |
| Losses | 80 |
| White | 90 |
| Black | 80 |
| White wins | 42 |
| Black wins | 28 |
| Score | 80 |
| Percent | 47.1 |
| Dp | -25 |
| AOR | 1450.1 |
| Performance | 1425.1 |
Rankings (Main)
| National | |
| Overall | 1444 |
| Gender | 1305 |
| Age group | 107 |
| Gender/Age | 107 |
| Provincial | |
| Overall | 529 |
| Gender | 472 |
| Age group | 37 |
| Gender/Age | 37 |
| Regional | |
| Overall | 195 |
| Gender | 169 |
| Age group | 15 |
| Gender/Age | 15 |
Rankings (Standard)
| National | |
| Overall | 1242 |
| Gender | 1119 |
| Age group | 88 |
| Gender/Age | 88 |
| Provincial | |
| Overall | 476 |
| Gender | 426 |
| Age group | 33 |
| Gender/Age | 33 |
| Regional | |
| Overall | 172 |
| Gender | 150 |
| Age group | 14 |
| Gender/Age | 14 |
Rankings (Rapid)
| National | |
| Overall | 2202 |
| Gender | 1808 |
| Age group | 81 |
| Gender/Age | 80 |
| Provincial | |
| Overall | 489 |
| Gender | 401 |
| Age group | 25 |
| Gender/Age | 25 |
| Regional | |
| Overall | 155 |
| Gender | 135 |
| Age group | 16 |
| Gender/Age | 16 |
Rankings (Blitz)
| National | |
| Overall | 458 |
| Gender | 428 |
| Age group | 50 |
| Gender/Age | 49 |
| Provincial | |
| Overall | 150 |
| Gender | 135 |
| Age group | 23 |
| Gender/Age | 22 |
| Regional | |
| Overall | 85 |
| Gender | 76 |
| Age group | 15 |
| Gender/Age | 14 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 20 |
| Score | 11.5 |
| Percent | 57.5 |
| Aor | 1558.8 |
| Dp | 63.8 |
| Prat | 1622.5 |
Performance (12 months)
| Games | 30 |
| Score | 14.5 |
| Percent | 48.3 |
| Aor | 1570 |
| Dp | -14.2 |
| Prat | 1555.8 |
Performance (History)
| Games | 170 |
| Score | 80 |
| Percent | 47.1 |
| Aor | 1450.1 |
| Dp | -25 |
| Prat | 1425.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Naidoo, K (Kajol) | 3 | 0 | 3 | JMC Kick Off Tournament 2024 (B) | South African Open Chess Championship 2024 (Blitz) | Details |
| Overall | 2 | Mankena, S (Satvik Ram) | 3 | 3 | 0 | JMC NG Weltevreden Church 2024 | Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025 (A) | Details |
| Overall | 3 | Makatwane, L (Lethabo) | 3 | 2 | 1 | 2023 Centurion Chess Open (B) | MCA Welcome 2025 (Advanced) | Details |
| Overall | 4 | Kruger, I (Ivan) | 3 | 2 | 1 | Randburg New Year Blitz 2025 | Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025 (A) | Details |
| Overall | 5 | Niemann, PWL (Petrus Wessel Le Roux) | 2 | 1 | 1 | 2023 Centurion Chess Open (B) | Chess Power House July Open 2024 (B) | Details |
| Standard | 1 | Makatwane, L (Lethabo) | 2 | 1 | 1 | 2023 Centurion Chess Open (B) | MCA Welcome 2025 (Advanced) | Details |
| Standard | 2 | Mankena, S (Satvik Ram) | 2 | 2 | 0 | JMC Crawford Ruimsig 2025 (B) | Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025 (A) | Details |
| Standard | 3 | Kruger, I (Ivan) | 2 | 1 | 1 | JMC Closed 2025 (B) | Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025 (A) | Details |
| Standard | 4 | Khondowe, D (Davidson) | 2 | 1 | 1 | CPH Primrose Open 2025 (B) | Chess Power House March Open 2025 (B) | Details |
| Standard | 5 | Niemann, PWL (Petrus Wessel Le Roux) | 2 | 1 | 1 | 2023 Centurion Chess Open (B) | Chess Power House July Open 2024 (B) | Details |
| Blitz | 1 | Chauke, N (Nicholus) | 2 | 1 | 1 | 2023 Tshwane Chess FIDE Rated Blitz League 4 | Tshwane Chess Arbiter Norm Blitz Tournament 2023 | Details |