PLAYER PAGE
Grant Ninham
1150157468West Rand (GWR)Personal
Main rating
| Rating | 1447.5 |
| K-factor | 32 |
| Floor | 947.5 |
| Highest | 1447.5 (2026-03-01) |
| Min/Max +/- allowed | 117 |
| Rating Change () | |
| Games | 5 |
| Score | 4 |
| We | 2.93 |
| SWe | 0.89 |
| Temp +/- | 28.3 |
| Penalties | 0 |
| Weight perform | 1504.8 |
| Final +/- | +57.3 |
| New Rating () | |
| Rating | 1504.8 |
| K-factor | 32 |
| Floor | 1004.8 |
| Highest | 1504.8 (2026-04-01) |
| Min/Max +/- allowed | 107.4 |
Standard rating
| Rating | 1447.5 |
| K-factor | 32 |
| Floor | 947.5 |
| Highest | 1447.5 (2026-03-01) |
| Min/Max +/- allowed | 116.5 |
| Rating Change () | |
| Games | 5 |
| Score | 4 |
| We | 2.95 |
| SWe | 1.05 |
| Temp +/- | 33.7 |
| Penalties | 0 |
| Weight perform | 1504.8 |
| Final +/- | +57.3 |
| New Rating () | |
| Rating | 1504.8 |
| K-factor | 32 |
| Floor | 1004.8 |
| Highest | 1504.8 (2026-04-01) |
| Min/Max +/- allowed | 107.4 |
Rapid rating
| Rating | 1190.7 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| 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 | 1190.7 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| 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 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | FIDE in the West 2026 (U12) | Standard | 2026-04-11 | 2026-04-11 | West Rand (GWR) | 5 | 1447.5 | 5 | 4 | 1620.9 | 28.3 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | West Rand Juniors 2026 (U12) | Standard | 2026-03-07 | 2026-03-07 | West Rand (GWR) | 5 | 1413.7 | 5 | 4 | 1559.5 | 24.1 | Details |
| 2 | West Rand Open 2026 (U12) | Standard | 2026-02-07 | 2026-02-07 | West Rand (GWR) | 5 | 1411.7 | 5 | 3 | 1346.2 | -7.1 | Details |
| 3 | JP Wagner Cup 2026 (U14) | Standard | 2026-01-31 | 2026-01-31 | Ekurhuleni (GE) | 5 | 1411.7 | 5 | 3 | 1492 | 5.3 | Details |
| 4 | Gauteng Inter-Region at Emerald Resort 2025 (U12 Championship) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1384.4 | 5 | 2 | 1533.9 | 17.1 | Details |
| 5 | 2025 Laerskool Doringkloof Primary Open Chess Tournament (U12) | Standard | 2025-10-25 | 2025-10-25 | Tshwane (GTP) | 5 | 1430.3 | 4 | 1 | 1340.3 | -7.1 | Details |
| 6 | West Rand Closed 2025 (U12) | Standard | 2025-10-18 | 2025-10-18 | West Rand (GWR) | 5 | 1430.3 | 0 | 0 | 0 | 0 | Details |
| 7 | 2025 Gauteng Schools Provincial Individual Chess Championship (U11 Boys) | Standard | 2025-09-27 | 2025-09-27 | Tshwane (GTP) | 5 | 1430.3 | 5 | 3 | 1366.3 | -5.5 | Details |
| 8 | West Rand Trials 2025 (U12) | Standard | 2025-09-06 | 2025-09-06 | West Rand (GWR) | 5 | 1369.8 | 4 | 3 | 1616.9 | 19.3 | Details |
| 9 | West Rand Women's Day Open 2025 (U12) | Standard | 2025-08-09 | 2025-08-09 | West Rand (GWR) | 5 | 1363.7 | 5 | 3.5 | 1404.4 | 3.5 | Details |
| 10 | 2025 D2 Schools League Finals (U11) | Standard | 2025-07-26 | 2025-07-26 | West Rand (GWR) | 5 | 1395.1 | 5 | 3 | 1434.9 | 4.6 | Details |
| 11 | South African Open 2025 (U12 Open) | Classical | 2025-07-03 | 2025-07-05 | Johannesburg Metro (GJM) | 5 | 1395.1 | 5 | 2 | 1199 | -22 | Details |
| 12 | West Rand Open 2.0 2025 (U12) | Standard | 2025-06-07 | 2025-06-07 | West Rand (GWR) | 5 | 1367.7 | 5 | 3.5 | 1450.2 | 7.5 | Details |
| 13 | 2025 D2 Schools Individuals (U11 Open) | Standard | 2025-05-09 | 2025-05-09 | West Rand (GWR) | 5 | 1305.9 | 5 | 4 | 1470.2 | 16.8 | Details |
| 14 | FIDE in The West 2025 (U12) | Standard | 2025-04-12 | 2025-04-12 | West Rand (GWR) | 5 | 1278.7 | 5 | 3 | 1373.3 | 10 | Details |
| 15 | West Rand Juniors 2025 (U12) | Standard | 2025-03-08 | 2025-03-08 | West Rand (GWR) | 5 | 1260.7 | 5 | 4 | 1481 | 20.9 | Details |
| 16 | AHS Open Chess Tournament 2025 (U12) | Standard | 2025-03-01 | 2025-03-01 | Tshwane (GTP) | 5 | 1260.7 | 5 | 2 | 1156.8 | -10.8 | Details |
| 17 | 2025 West Rand Open (U12) | Standard | 2025-02-08 | 2025-02-08 | West Rand (GWR) | 5 | 1246.5 | 5 | 3 | 1319.9 | 7.8 | Details |
| 18 | Gauteng Inter-Region at UJ 2024 (U10 Open) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1292.2 | 5 | 1 | 1069.6 | -25.3 | Details |
| 19 | Mzansi Summer Rapid 2024 (U8+U10) | Rapid | 2024-10-26 | 2024-10-26 | Johannesburg Metro (GJM) | 6 | 1310.1 | 6 | 2 | 1170 | -10.9 | Details |
| 20 | 2024 West Rand Closed (U10) | Standard | 2024-10-12 | 2024-10-12 | West Rand (GWR) | 5 | 1310.1 | 5 | 3 | 1312 | 0.8 | Details |
| 21 | 2024 West Rand Trials (U10) | Standard | 2024-09-07 | 2024-09-07 | West Rand (GWR) | 5 | 1283.6 | 5 | 3 | 1376.7 | 9.6 | Details |
| 22 | 2024 West Rand Rappies Open (U10) | Standard | 2024-08-03 | 2024-08-03 | West Rand (GWR) | 5 | 1273.6 | 5 | 2.5 | 1306.3 | 2.7 | Details |
| 23 | D2 School League Finals 2024 (U9) | Standard | 2024-07-20 | 2024-07-20 | West Rand (GWR) | 5 | 1235.4 | 5 | 3 | 1308.5 | 7.6 | Details |
| 24 | FIDE in the West 2024 (U10) | Standard | 2024-06-08 | 2024-06-08 | West Rand (GWR) | 5 | 1195 | 5 | 3 | 1434.1 | 22.4 | Details |
| 25 | 2024 West Rand RHS Open (U10) | Standard | 2024-04-13 | 2024-04-13 | West Rand (GWR) | 5 | 1194.7 | 5 | 2 | 1191.5 | 0.2 | Details |
| 26 | 2024 West Rand Open (U10) | Standard | 2024-02-03 | 2024-02-03 | West Rand (GWR) | 5 | 1175.9 | 5 | 2.5 | 1277.3 | 10.5 | Details |
| 27 | 2024 Gauteng Inter-Region Chess Championship (U10B) | Standard | 2024-01-13 | 2024-01-14 | Tshwane (GTP) | 5 | 1170.5 | 4 | 2 | 1203.7 | 3 | Details |
| 28 | West Rand vs Bojanala Inter-Regional Championships 2023 (U10) | Standard | 2023-10-14 | 2023-10-14 | West Rand (GWR) | 5 | 1216.8 | 5 | 0 | 961.2 | -25.9 | Details |
| 29 | 2023 West Rand Trials (U10) | Standard | 2023-09-09 | 2023-09-09 | West Rand (GWR) | 5 | 1182.4 | 5 | 3 | 1372.3 | 18.9 | Details |
| 30 | West Rand at Bastion 2023 (U10) | Standard | 2023-08-05 | 2023-08-05 | West Rand (GWR) | 5 | 1191.4 | 5 | 2 | 1133.7 | -5 | Details |
| 31 | D2 School League Finals 2023 (U9) | Standard | 2023-07-22 | 2023-07-22 | West Rand (GWR) | 7 | 1187.5 | 6 | 3 | 1205.4 | 2.2 | Details |
| 32 | 2023 West Rand RHS Open (U10) | Standard | 2023-06-10 | 2023-06-10 | West Rand (GWR) | 5 | 1200 | 5 | 2 | 1134.9 | -7.1 | Details |
Game statistics ( )
| Games | 5 |
| Wins | 4 |
| Draws | 0 |
| Losses | 1 |
| White | 2 |
| Black | 3 |
| White wins | 1 |
| Black wins | 3 |
| Score | 4 |
| Percent | 80 |
| Dp | 255 |
| AOR | 1365.9 |
| Performance | 1620.9 |
Game statistics ()
| Games | 20 |
| Wins | 14 |
| Draws | 0 |
| Losses | 6 |
| White | 9 |
| Black | 11 |
| White wins | 7 |
| Black wins | 7 |
| Score | 14 |
| Percent | 70 |
| Dp | 170 |
| AOR | 1334.6 |
| Performance | 1504.6 |
Game statistics (History)
| Games | 159 |
| Wins | 83 |
| Draws | 4 |
| Losses | 72 |
| White | 76 |
| Black | 83 |
| White wins | 35 |
| Black wins | 48 |
| Score | 85 |
| Percent | 53.5 |
| Dp | 29.4 |
| AOR | 1299.7 |
| Performance | 1329.1 |
Rankings (Main)
| National | |
| Overall | 2582 |
| Gender | 2217 |
| Age group | 185 |
| Gender/Age | 146 |
| Provincial | |
| Overall | 876 |
| Gender | 751 |
| Age group | 64 |
| Gender/Age | 51 |
| Regional | |
| Overall | 55 |
| Gender | 47 |
| Age group | 6 |
| Gender/Age | 5 |
Rankings (Standard)
| National | |
| Overall | 2349 |
| Gender | 2003 |
| Age group | 178 |
| Gender/Age | 139 |
| Provincial | |
| Overall | 826 |
| Gender | 704 |
| Age group | 64 |
| Gender/Age | 51 |
| Regional | |
| Overall | 53 |
| Gender | 45 |
| Age group | 6 |
| Gender/Age | 5 |
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 | 4 |
| Percent | 80 |
| Aor | 1365.9 |
| Dp | 255 |
| Prat | 1620.9 |
Performance ()
| Games | 20 |
| Score | 14 |
| Percent | 70 |
| Aor | 1334.6 |
| Dp | 170 |
| Prat | 1504.6 |
Performance (12 months)
| Games | 63 |
| Score | 39 |
| Percent | 61.9 |
| Aor | 1346.7 |
| Dp | 101.2 |
| Prat | 1447.9 |
Performance (History)
| Games | 159 |
| Score | 85 |
| Percent | 53.5 |
| Aor | 1299.7 |
| Dp | 29.4 |
| Prat | 1329.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Botha, AZ (Adriaan Zander) | 6 | 3 | 3 | 2023 West Rand RHS Open (U10) | 2025 D2 Schools League Finals (U11) | Details |
| Overall | 2 | Kamffer, J (John-Andrew) | 5 | 2 | 3 | 2023 West Rand RHS Open (U10) | 2025 D2 Schools Individuals (U11 Open) | Details |
| Overall | 3 | Erasmus, S (Sonja) | 4 | 1 | 3 | 2023 West Rand RHS Open (U10) | FIDE in the West 2024 (U10) | Details |
| Overall | 4 | Schutte, CB (Christiaan Benjamin) | 4 | 3 | 1 | FIDE in the West 2024 (U10) | West Rand Open 2.0 2025 (U12) | Details |
| Overall | 5 | Crous, R (Ruvan) | 3 | 2 | 1 | 2024 West Rand RHS Open (U10) | 2024 West Rand Trials (U10) | Details |
| Standard | 1 | Botha, AZ (Adriaan Zander) | 6 | 3 | 3 | 2023 West Rand RHS Open (U10) | 2025 D2 Schools League Finals (U11) | Details |
| Standard | 2 | Kamffer, J (John-Andrew) | 5 | 2 | 3 | 2023 West Rand RHS Open (U10) | 2025 D2 Schools Individuals (U11 Open) | Details |
| Standard | 3 | Erasmus, S (Sonja) | 4 | 1 | 3 | 2023 West Rand RHS Open (U10) | FIDE in the West 2024 (U10) | Details |
| Standard | 4 | Schutte, CB (Christiaan Benjamin) | 4 | 3 | 1 | FIDE in the West 2024 (U10) | West Rand Open 2.0 2025 (U12) | Details |
| Standard | 5 | Crous, R (Ruvan) | 3 | 2 | 1 | 2024 West Rand RHS Open (U10) | 2024 West Rand Trials (U10) | Details |