PLAYER PAGE
Grayson Tierney
1120161577Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1356.8 |
| 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 | 1255.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1356.8 |
| K-factor | 36 |
| Floor | 883.8 |
| Highest | 1386.6 (2025-11-30) |
| Min/Max +/- allowed | 127.1 |
Standard rating
| Rating | 1347.8 |
| 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 | 1252.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1347.8 |
| K-factor | 36 |
| Floor | 879.8 |
| Highest | 1382.7 (2024-05-01) |
| Min/Max +/- allowed | 127.8 |
Rapid rating
| Rating | 1337.8 |
| K-factor | 36 |
| Floor | 837.8 |
| Highest | 1337.8 (2026-06-01) |
| Min/Max +/- allowed | 136.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1316.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1337.8 |
| K-factor | 36 |
| Floor | 837.8 |
| Highest | 1337.8 (2026-06-01) |
| Min/Max +/- allowed | 136.3 |
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 | JMC Crawford Sandton Rapid 2026 (Open) | Rapid | 2026-05-09 | 2026-05-09 | Johannesburg Metro (GJM) | 5 | 1354.9 | 5 | 2 | 1375 | 1.8 | Details |
| 2 | MCA Summer Heat Classic 2026 (Intermediate) | Standard | 2026-03-21 | 2026-03-21 | Johannesburg Metro (GJM) | 5 | 1381.1 | 5 | 2 | 1238.9 | -26.1 | Details |
| 3 | JCC ChessPowerHouse Feb Rapid 2026 (B) | Rapid | 2026-02-15 | 2026-02-15 | Johannesburg Metro (GJM) | 5 | 1383.6 | 5 | 3 | 1366.5 | -1.5 | Details |
| 4 | MCA Year End Rapid 2025 (U14) | Rapid | 2025-11-01 | 2025-11-01 | Johannesburg Metro (GJM) | 5 | 1361.5 | 5 | 4 | 1541.1 | 12.2 | Details |
| 5 | MCA Spring Flower Birthday Rapid 2025 (U14) | Rapid | 2025-09-20 | 2025-09-20 | Johannesburg Metro (GJM) | 5 | 1352.7 | 5 | 3 | 1408.4 | 4.9 | Details |
| 6 | 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 | 26.4 | Details |
| 7 | MCA Welcome 2025 (Junior) | Standard | 2025-02-15 | 2025-02-15 | Johannesburg Metro (GJM) | 5 | 1265.8 | 5 | 4 | 1432.9 | 17.1 | Details |
| 8 | First Knights Juniors Chess Tournament 2025 (C) | Standard | 2025-02-09 | 2025-02-09 | Johannesburg Metro (GJM) | 5 | 1265.8 | 5 | 3 | 1322.1 | 4.8 | Details |
| 9 | Mzansi Summer Rapid 2024 (B) | Rapid | 2024-10-26 | 2024-10-26 | Johannesburg Metro (GJM) | 6 | 1286.8 | 6 | 2 | 1133 | -11.7 | Details |
| 10 | Chess Power House July Open 2024 (C) | Standard | 2024-07-20 | 2024-07-20 | Johannesburg Metro (GJM) | 5 | 1232.8 | 5 | 3 | 1454.7 | 22.2 | Details |
| 11 | JMC NG Weltevreden Church 2024 | Rapid | 2024-06-29 | 2024-06-29 | Johannesburg Metro (GJM) | 7 | 1232.8 | 7 | 2.5 | 1251.3 | 1.4 | Details |
| 12 | 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 | 3.8 | Details |
| 13 | 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 | 18.6 | Details |
| 14 | Chess Power House 1st Rapid 2024 (B) | Rapid | 2024-02-24 | 2024-02-24 | Johannesburg Metro (GJM) | 5 | 1173.6 | 5 | 3 | 1371 | 10.5 | Details |
| 15 | Mzansi Summer Blitz 2023 | Blitz | 2023-12-09 | 2023-12-09 | Johannesburg Metro (GJM) | 7 | 1187.3 | 7 | 1 | 1080.5 | -7.7 | Details |
| 16 | Mzansi Bryanston Rapid 2023 (Junior) | Rapid | 2023-10-07 | 2023-10-07 | Johannesburg Metro (GJM) | 5 | 1192.9 | 5 | 2 | 1135.7 | -3.3 | Details |
| 17 | Mzansi Spring Rapid 2023 | Rapid | 2023-09-02 | 2023-09-02 | Johannesburg Metro (GJM) | 7 | 1200 | 7 | 2 | 1050.2 | -9.2 | Details |
| 18 | Chess Molecules Rapid 2023 (Grade 5-7) | Rapid | 2023-09-23 | 2023-09-23 | Ekurhuleni (GE) | 5 | 1200 | 5 | 3 | 1282.9 | 5.4 | 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 | 0 |
| Losses | 8 |
| White | 8 |
| Black | 7 |
| White wins | 7 |
| Black wins | 0 |
| Score | 7 |
| Percent | 46.7 |
| Dp | -28.3 |
| AOR | 1355.2 |
| Performance | 1326.8 |
Game statistics (History)
| Games | 97 |
| Wins | 44 |
| Draws | 7 |
| Losses | 46 |
| White | 49 |
| Black | 48 |
| White wins | 22 |
| Black wins | 22 |
| Score | 47.5 |
| Percent | 49 |
| Dp | -8.8 |
| AOR | 1310.7 |
| Performance | 1302 |
Rankings (Main)
| National | |
| Overall | 4665 |
| Gender | 3878 |
| Age group | 704 |
| Gender/Age | 557 |
| Provincial | |
| Overall | 1589 |
| Gender | 1314 |
| Age group | 249 |
| Gender/Age | 193 |
| Regional | |
| Overall | 458 |
| Gender | 396 |
| Age group | 57 |
| Gender/Age | 45 |
Rankings (Standard)
| National | |
| Overall | 4379 |
| Gender | 3622 |
| Age group | 676 |
| Gender/Age | 534 |
| Provincial | |
| Overall | 1562 |
| Gender | 1295 |
| Age group | 261 |
| Gender/Age | 202 |
| Regional | |
| Overall | 436 |
| Gender | 376 |
| Age group | 56 |
| Gender/Age | 43 |
Rankings (Rapid)
| National | |
| Overall | 1514 |
| Gender | 1284 |
| Age group | 291 |
| Gender/Age | 229 |
| Provincial | |
| Overall | 296 |
| Gender | 251 |
| Age group | 54 |
| Gender/Age | 39 |
| Regional | |
| Overall | 121 |
| Gender | 109 |
| Age group | 12 |
| Gender/Age | 9 |
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 | 15 |
| Score | 7 |
| Percent | 46.7 |
| Aor | 1355.2 |
| Dp | -28.3 |
| Prat | 1326.8 |
Performance (12 months)
| Games | 30 |
| Score | 17 |
| Percent | 56.7 |
| Aor | 1362.4 |
| Dp | 56.7 |
| Prat | 1419.1 |
Performance (History)
| Games | 97 |
| Score | 47.5 |
| Percent | 49 |
| Aor | 1310.7 |
| Dp | -8.8 |
| Prat | 1302 |
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 | Narula, A (Aryash) | 2 | 1 | 1 | MCA Welcome 2025 (Junior) | Lonehill Chess Academy - 1st Rated Tournament 2025 (B) | Details |
| Overall | 3 | Madhanlala, S (Sharan) | 2 | 0 | 2 | MCA Spring Flower Birthday Rapid 2025 (U14) | MCA Year End Rapid 2025 (U14) | Details |
| Overall | 4 | Vorster, W (Wian) | 2 | 1 | 1 | MCA Year End Rapid 2025 (U14) | MCA Summer Heat Classic 2026 (Intermediate) | Details |
| Overall | 5 | 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 | Niemann, C (Clara) | 2 | 0 | 2 | Mzansi Spring Rapid 2023 | Mzansi Bryanston Rapid 2023 (Junior) | Details |
| Rapid | 2 | Chadalavada, B (Bhaarghavarama) | 2 | 2 | 0 | Mzansi Spring Rapid 2023 | Mzansi Bryanston Rapid 2023 (Junior) | Details |
| Rapid | 3 | Madhanlala, S (Sharan) | 2 | 0 | 2 | MCA Spring Flower Birthday Rapid 2025 (U14) | MCA Year End Rapid 2025 (U14) | Details |