PLAYER PAGE
Grayson Tierney
1120161577Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1381.1 |
| K-factor | 36 |
| Floor | 883.8 |
| Highest | 1386.6 (2025-11-30) |
| Min/Max +/- allowed | 127 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1347.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1381.1 |
| K-factor | 36 |
| Floor | 883.8 |
| Highest | 1386.6 (2025-11-30) |
| Min/Max +/- allowed | 127.1 |
Standard rating
| Rating | 1379.8 |
| K-factor | 36 |
| Floor | 879.8 |
| Highest | 1382.7 (2024-05-01) |
| Min/Max +/- allowed | 127.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1307.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1379.8 |
| K-factor | 36 |
| Floor | 879.8 |
| Highest | 1382.7 (2024-05-01) |
| Min/Max +/- allowed | 127.8 |
Rapid rating
| Rating | 1240 |
| K-factor | 36 |
| Floor | 740 |
| Highest | 1240 (2026-02-28) |
| Min/Max +/- allowed | 156.6 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1318.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1240 |
| K-factor | 36 |
| Floor | 740 |
| Highest | 1240 (2026-02-28) |
| Min/Max +/- allowed | 156.6 |
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 |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | JCC ChessPowerHouse Feb Rapid 2026 (B) | Rapid | 2026-02-15 | 2026-02-15 | Johannesburg Metro (GJM) | 5 | 1383.6 | 5 | 3 | 1366.5 | 0 | Details |
| 2 | MCA Year End Rapid 2025 (U14) | Rapid | 2025-11-01 | 2025-11-01 | Johannesburg Metro (GJM) | 5 | 1361.5 | 5 | 4 | 1541.1 | 0 | Details |
| 3 | MCA Spring Flower Birthday Rapid 2025 (U14) | Rapid | 2025-09-20 | 2025-09-20 | Johannesburg Metro (GJM) | 5 | 1352.7 | 5 | 3 | 1408.4 | 0 | Details |
| 4 | Lonehill Chess Academy - 1st Rated Tournament 2025 (B) | Standard | 2025-08-02 | 2025-08-02 | Johannesburg Metro (GJM) | 5 | 1305.3 | 5 | 3 | 1584.4 | 0 | Details |
| 5 | MCA Welcome 2025 (Junior) | Standard | 2025-02-15 | 2025-02-15 | Johannesburg Metro (GJM) | 5 | 1265.8 | 5 | 4 | 1432.9 | 0 | Details |
| 6 | First Knights Juniors Chess Tournament 2025 (C) | Standard | 2025-02-09 | 2025-02-09 | Johannesburg Metro (GJM) | 5 | 1265.8 | 5 | 3 | 1322.1 | 0 | Details |
| 7 | Mzansi Summer Rapid 2024 (B) | Rapid | 2024-10-26 | 2024-10-26 | Johannesburg Metro (GJM) | 6 | 1286.8 | 6 | 2 | 1133 | 0 | Details |
| 8 | Chess Power House July Open 2024 (C) | Standard | 2024-07-20 | 2024-07-20 | Johannesburg Metro (GJM) | 5 | 1232.8 | 5 | 3 | 1454.7 | 0 | Details |
| 9 | JMC NG Weltevreden Church 2024 | Rapid | 2024-06-29 | 2024-06-29 | Johannesburg Metro (GJM) | 7 | 1232.8 | 7 | 2.5 | 1251.3 | 0 | Details |
| 10 | Second Knight Riders Juniors Open Chess Tournament 2024 (C) | Standard | 2024-06-08 | 2024-06-08 | Johannesburg Metro (GJM) | 5 | 1225.9 | 5 | 2.5 | 1272.5 | 0 | Details |
| 11 | Chess Power House May Open 2024 (C) | Standard | 2024-05-25 | 2024-05-25 | Johannesburg Metro (GJM) | 5 | 1192.4 | 5 | 2.5 | 1377.6 | 0 | Details |
| 12 | Chess Power House 1st Rapid 2024 (B) | Rapid | 2024-02-24 | 2024-02-24 | Johannesburg Metro (GJM) | 5 | 1173.6 | 5 | 3 | 1371 | 0 | Details |
| 13 | Mzansi Summer Blitz 2023 | Blitz | 2023-12-09 | 2023-12-09 | Johannesburg Metro (GJM) | 7 | 1187.3 | 7 | 1 | 1080.5 | 0 | Details |
| 14 | Mzansi Bryanston Rapid 2023 (Junior) | Rapid | 2023-10-07 | 2023-10-07 | Johannesburg Metro (GJM) | 5 | 1192.9 | 5 | 2 | 1135.7 | 0 | Details |
| 15 | Mzansi Spring Rapid 2023 | Rapid | 2023-09-02 | 2023-09-02 | Johannesburg Metro (GJM) | 7 | 1200 | 7 | 2 | 1050.2 | 0 | Details |
| 16 | Chess Molecules Rapid 2023 (Grade 5-7) | Rapid | 2023-09-23 | 2023-09-23 | Ekurhuleni (GE) | 5 | 1200 | 5 | 3 | 1282.9 | 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 | 5 |
| Wins | 3 |
| Draws | 0 |
| Losses | 2 |
| White | 3 |
| Black | 2 |
| White wins | 3 |
| Black wins | 0 |
| Score | 3 |
| Percent | 60 |
| Dp | 85 |
| AOR | 1281.5 |
| Performance | 1366.5 |
Game statistics (History)
| Games | 87 |
| Wins | 40 |
| Draws | 7 |
| Losses | 40 |
| White | 44 |
| Black | 43 |
| White wins | 18 |
| Black wins | 22 |
| Score | 43.5 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1301.4 |
| Performance | 1301.4 |
Rankings (Main)
| National | |
| Overall | 3670 |
| Gender | 3096 |
| Age group | 524 |
| Gender/Age | 407 |
| Provincial | |
| Overall | 1258 |
| Gender | 1055 |
| Age group | 192 |
| Gender/Age | 144 |
| Regional | |
| Overall | 389 |
| Gender | 342 |
| Age group | 47 |
| Gender/Age | 36 |
Rankings (Standard)
| National | |
| Overall | 3349 |
| Gender | 2819 |
| Age group | 494 |
| Gender/Age | 387 |
| Provincial | |
| Overall | 1193 |
| Gender | 1001 |
| Age group | 187 |
| Gender/Age | 142 |
| Regional | |
| Overall | 352 |
| Gender | 307 |
| Age group | 44 |
| Gender/Age | 32 |
Rankings (Rapid)
| National | |
| Overall | 3207 |
| Gender | 2575 |
| Age group | 695 |
| Gender/Age | 527 |
| Provincial | |
| Overall | 604 |
| Gender | 480 |
| Age group | 118 |
| Gender/Age | 76 |
| Regional | |
| Overall | 219 |
| Gender | 192 |
| Age group | 28 |
| Gender/Age | 20 |
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 | 5 |
| Score | 3 |
| Percent | 60 |
| Aor | 1281.5 |
| Dp | 85 |
| Prat | 1366.5 |
Performance (12 months)
| Games | 20 |
| Score | 13 |
| Percent | 65 |
| Aor | 1347.6 |
| Dp | 127.5 |
| Prat | 1475.1 |
Performance (History)
| Games | 87 |
| Score | 43.5 |
| Percent | 50 |
| Aor | 1301.4 |
| Dp | 0 |
| Prat | 1301.4 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Chadalavada, B (Bhaarghavarama) | 2 | 2 | 0 | Mzansi Spring Rapid 2023 | Mzansi Bryanston Rapid 2023 (Junior) | Details |
| Overall | 2 | Madhanlala, S (Sharan) | 2 | 0 | 2 | MCA Spring Flower Birthday Rapid 2025 (U14) | MCA Year End Rapid 2025 (U14) | Details |
| Overall | 3 | Narula, A (Aryash) | 2 | 1 | 1 | MCA Welcome 2025 (Junior) | Lonehill Chess Academy - 1st Rated Tournament 2025 (B) | Details |
| Overall | 4 | Niemann, C (Clara) | 2 | 0 | 2 | Mzansi Spring Rapid 2023 | Mzansi Bryanston Rapid 2023 (Junior) | Details |
| Standard | 1 | Narula, A (Aryash) | 2 | 1 | 1 | MCA Welcome 2025 (Junior) | Lonehill Chess Academy - 1st Rated Tournament 2025 (B) | Details |
| Rapid | 1 | Chadalavada, B (Bhaarghavarama) | 2 | 2 | 0 | Mzansi Spring Rapid 2023 | Mzansi Bryanston Rapid 2023 (Junior) | Details |
| Rapid | 2 | Madhanlala, S (Sharan) | 2 | 0 | 2 | MCA Spring Flower Birthday Rapid 2025 (U14) | MCA Year End Rapid 2025 (U14) | Details |
| Rapid | 3 | Niemann, C (Clara) | 2 | 0 | 2 | Mzansi Spring Rapid 2023 | Mzansi Bryanston Rapid 2023 (Junior) | Details |