PLAYER PAGE
Isabella Weakley
2170302578Ekurhuleni (GE)Personal
Main rating
| Rating | 1247.2 |
| K-factor | 36 |
| Floor | 771.1 |
| Highest | 1271.1 (2026-06-01) |
| Min/Max +/- allowed | 150 |
| Rating Change () | |
| Games | 5 |
| Score | 2 |
| We | 2.71 |
| SWe | -0.59 |
| Temp +/- | -21.2 |
| Penalties | 0 |
| Weight perform | 1158.4 |
| Final +/- | -21.2 |
| New Rating () | |
| Rating | 1226 |
| K-factor | 36 |
| Floor | 771.1 |
| Highest | 1271.1 (2026-06-01) |
| Min/Max +/- allowed | 149.8 |
Standard rating
| Rating | 1184.1 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-04-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 5 |
| Score | 2 |
| We | 2.38 |
| SWe | -0.38 |
| Temp +/- | -13.8 |
| Penalties | 0 |
| Weight perform | 1123.3 |
| Final +/- | -13.8 |
| New Rating () | |
| Rating | 1170.3 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-04-01) |
| Min/Max +/- allowed | 165.8 |
Rapid rating
| Rating | 1203.2 |
| K-factor | 36 |
| Floor | 740.1 |
| Highest | 1240.1 (2026-04-01) |
| Min/Max +/- allowed | 156.6 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1153.3 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1203.2 |
| K-factor | 36 |
| Floor | 740.1 |
| Highest | 1240.1 (2026-04-01) |
| Min/Max +/- allowed | 156.6 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-05-01) |
| 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 (2024-05-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Gauteng Closed Chess Championships 2026 (U10 Girls) | Standard | 2026-10-17 | 2026-10-17 | Ekurhuleni (GE) | 5 | 1247.2 | 5 | 2 | 1133.5 | -21.2 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Kempton Cluster 2026 (U9A) | Rapid | 2026-08-01 | 2026-08-01 | Ekurhuleni (GE) | 5 | 1247.2 | 5 | 3 | 1067.8 | -23.9 | Details |
| 2 | Ekurhuleni 1st Trial 2026 (E) | Standard | 2026-04-11 | 2026-04-11 | Ekurhuleni (GE) | 5 | 1192.9 | 5 | 1 | 1007.6 | -34 | Details |
| 3 | Ekurhuleni North District Individuals 2026 (U9 Girls) | Standard | 2026-05-09 | 2026-05-09 | Ekurhuleni (GE) | 5 | 1192.9 | 5 | 4 | 1469.3 | 49.8 | Details |
| 4 | Kemptonpark Cluster 2026 (U9 Girls) | Rapid | 2026-04-18 | 2026-04-18 | Ekurhuleni (GE) | 5 | 1153.5 | 5 | 4 | 1455 | 39.4 | Details |
| 5 | Chess Molecules Open Rapid 2026 (D) | Rapid | 2026-03-21 | 2026-03-21 | Johannesburg Metro (GJM) | 5 | 1125.4 | 4 | 1.5 | 1108.1 | -1.9 | Details |
| 6 | East Rand Chess Club Open 2026 (E) | Rapid | 2026-03-14 | 2026-03-14 | Ekurhuleni (GE) | 5 | 1125.4 | 5 | 3 | 1355.7 | 30 | Details |
| 7 | Ekurhuleni 1st Standard Tournament 2026 (E) | Standard | 2026-02-14 | 2026-02-14 | Ekurhuleni (GE) | 5 | 1132.7 | 5 | 1 | 978.4 | -15.8 | Details |
| 8 | JP Wagner Cup 2026 (U8+U10) | Standard | 2026-01-31 | 2026-01-31 | Ekurhuleni (GE) | 5 | 1132.7 | 4 | 1 | 1001.8 | -10.3 | Details |
| 9 | Ekurhuleni North School District Finals 2025 (U9 Girls) | Standard | 2025-06-14 | 2025-06-14 | Ekurhuleni (GE) | 5 | 1132.6 | 5 | 2 | 1155 | 1.3 | Details |
| 10 | Kemptonpark School Cluster 2025 (U9) | Rapid | 2025-06-07 | 2025-06-07 | Ekurhuleni (GE) | 5 | 1132.6 | 5 | 1.5 | 1066.3 | -5.3 | Details |
| 11 | East Rand Chess Club Open 2025 (D) | Standard | 2025-05-03 | 2025-05-03 | Ekurhuleni (GE) | 5 | 1136.5 | 4 | 0 | 916.7 | -17.3 | Details |
| 12 | East Rand Chess Club Open 2025 (D) | Standard | 2025-03-01 | 2025-03-01 | Ekurhuleni (GE) | 5 | 1140.1 | 4 | 0.5 | 876.9 | -19.3 | Details |
| 13 | Kempton Park Cluster Teams League 2024 (U9B) | Rapid | 2024-04-13 | 2024-04-13 | Ekurhuleni (GE) | 5 | 1200 | 3 | 0 | 775 | -19.6 | Details |
| 14 | Ekurhuleni Open 2024 (E) | Standard | 2024-04-06 | 2024-04-06 | Ekurhuleni (GE) | 5 | 1200 | 5 | 1 | 914.3 | -27.2 | Details |
Game statistics ( )
| Games | 5 |
| Wins | 2 |
| Draws | 0 |
| Losses | 3 |
| White | 3 |
| Black | 2 |
| White wins | 1 |
| Black wins | 1 |
| Score | 2 |
| Percent | 40 |
| Dp | -85 |
| AOR | 1218.5 |
| Performance | 1133.5 |
Game statistics ()
| Games | 43 |
| Wins | 20 |
| Draws | 1 |
| Losses | 22 |
| White | 22 |
| Black | 21 |
| White wins | 9 |
| Black wins | 11 |
| Score | 20.5 |
| Percent | 47.7 |
| Dp | -19.8 |
| AOR | 1200.6 |
| Performance | 1180.8 |
Game statistics (History)
| Games | 69 |
| Wins | 24 |
| Draws | 3 |
| Losses | 42 |
| White | 36 |
| Black | 33 |
| White wins | 12 |
| Black wins | 12 |
| Score | 25.5 |
| Percent | 37 |
| Dp | -110.9 |
| AOR | 1211.6 |
| Performance | 1100.8 |
Rankings (Main)
| National | |
| Overall | 8644 |
| Gender | 1703 |
| Age group | 477 |
| Gender/Age | 113 |
| Provincial | |
| Overall | 2993 |
| Gender | 615 |
| Age group | 172 |
| Gender/Age | 44 |
| Regional | |
| Overall | 722 |
| Gender | 183 |
| Age group | 40 |
| Gender/Age | 10 |
Rankings (Standard)
| National | |
| Overall | 10912 |
| Gender | 2588 |
| Age group | 785 |
| Gender/Age | 229 |
| Provincial | |
| Overall | 3777 |
| Gender | 957 |
| Age group | 255 |
| Gender/Age | 75 |
| Regional | |
| Overall | 849 |
| Gender | 265 |
| Age group | 45 |
| Gender/Age | 13 |
Rankings (Rapid)
| National | |
| Overall | 4289 |
| Gender | 917 |
| Age group | 318 |
| Gender/Age | 75 |
| Provincial | |
| Overall | 1046 |
| Gender | 225 |
| Age group | 76 |
| Gender/Age | 21 |
| Regional | |
| Overall | 446 |
| Gender | 115 |
| Age group | 43 |
| 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 | 5 |
| Score | 2 |
| Percent | 40 |
| Aor | 1218.5 |
| Dp | -85 |
| Prat | 1133.5 |
Performance ()
| Games | 43 |
| Score | 20.5 |
| Percent | 47.7 |
| Aor | 1200.6 |
| Dp | -19.8 |
| Prat | 1180.8 |
Performance (12 months)
| Games | 43 |
| Score | 20.5 |
| Percent | 47.7 |
| Aor | 1200.6 |
| Dp | -19.8 |
| Prat | 1180.8 |
Performance (History)
| Games | 69 |
| Score | 25.5 |
| Percent | 37 |
| Aor | 1211.6 |
| Dp | -110.9 |
| Prat | 1100.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Gabel Smit, H (Heinrich) | 3 | 2 | 1 | East Rand Chess Club Open 2025 (D) | Ekurhuleni 1st Trial 2026 (E) | Details |
| Overall | 2 | Mosala, K (Kopano) | 2 | 1 | 1 | Ekurhuleni Open 2024 (E) | Ekurhuleni 1st Standard Tournament 2026 (E) | Details |
| Overall | 3 | Benjamin, L (Liyabona) | 2 | 1 | 1 | Ekurhuleni Open 2024 (E) | Kemptonpark School Cluster 2025 (U9) | Details |
| Overall | 4 | Serrao, L (Luke) | 2 | 2 | 0 | Ekurhuleni Open 2024 (E) | JP Wagner Cup 2026 (U8+U10) | Details |
| Overall | 5 | Robinson, L (LXR) | 2 | 1 | 1 | Ekurhuleni 1st Standard Tournament 2026 (E) | East Rand Chess Club Open 2026 (E) | Details |
| Standard | 1 | Gabel Smit, H (Heinrich) | 3 | 2 | 1 | East Rand Chess Club Open 2025 (D) | Ekurhuleni 1st Trial 2026 (E) | Details |
| Standard | 2 | Serrao, L (Luke) | 2 | 2 | 0 | Ekurhuleni Open 2024 (E) | JP Wagner Cup 2026 (U8+U10) | Details |
| Standard | 3 | Mosala, K (Kopano) | 2 | 1 | 1 | Ekurhuleni Open 2024 (E) | Ekurhuleni 1st Standard Tournament 2026 (E) | Details |
| Standard | 4 | Ngomane, B (Buhlebenkosi) | 2 | 1 | 1 | Ekurhuleni North School District Finals 2025 (U9 Girls) | Ekurhuleni North District Individuals 2026 (U9 Girls) | Details |
| Rapid | 1 | Eze, F (Favour) | 2 | 1 | 1 | Kemptonpark Cluster 2026 (U9 Girls) | Kempton Cluster 2026 (U9A) | Details |