PLAYER PAGE
Jo-Gean Pienaar
1160315956Lejweleputswa (FLW)Personal
Main rating
| Rating | 1266.5 |
| K-factor | 36 |
| Floor | 787.6 |
| Highest | 1287.6 (2026-03-01) |
| Min/Max +/- allowed | 146 |
| Rating Change () | |
| Games | 9 |
| Score | 4 |
| We | 4.67 |
| SWe | -0.42 |
| Temp +/- | -15.2 |
| Penalties | 0 |
| Weight perform | 1186.6 |
| Final +/- | -15.2 |
| New Rating () | |
| Rating | 1251.4 |
| K-factor | 36 |
| Floor | 787.6 |
| Highest | 1287.6 (2026-03-01) |
| Min/Max +/- allowed | 146.4 |
Standard rating
| Rating | 1273.8 |
| K-factor | 36 |
| Floor | 802 |
| Highest | 1302 (2026-03-01) |
| Min/Max +/- allowed | 143.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1210.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1273.8 |
| K-factor | 36 |
| Floor | 802 |
| Highest | 1302 (2026-03-01) |
| Min/Max +/- allowed | 143.4 |
Rapid rating
| Rating | 1199.2 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-03-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 9 |
| Score | 4 |
| We | 4.45 |
| SWe | -0.45 |
| Temp +/- | -16.2 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | -16.2 |
| New Rating () | |
| Rating | 1183 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-03-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-03-01) |
| 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 (2025-03-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Lejweleputswa Chess Closed Chess Championship 2026 (U12) | Rapid | 2026-10-10 | 2026-10-10 | Lejweleputswa (FLW) | 9 | 1266.5 | 9 | 4 | 1198.9 | -15.2 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Free State Closed 2026 (U12) | Standard | 2026-07-25 | 2026-07-25 | Mangaung (FMB) | 5 | 1239.9 | 5 | 3 | 1385.1 | 26.7 | Details |
| 2 | Lejweleputswa Chess Open Chess Tournament T7 2026 (C) | Standard | 2026-06-27 | 2026-06-27 | Lejweleputswa (FLW) | 5 | 1256.5 | 5 | 1 | 1050.3 | -35.5 | Details |
| 3 | Lejweleputswa Chess Open Chess Tournament 2026 (U12) | Standard | 2026-05-30 | 2026-05-30 | Lejweleputswa (FLW) | 5 | 1256.5 | 5 | 3 | 1369.3 | 18.8 | Details |
| 4 | Inter Regional Chess Championship 2026 (Team U12) | Standard | 2026-05-22 | 2026-05-23 | Mangaung (FMB) | 5 | 1287.6 | 5 | 2 | 1119 | -31.1 | Details |
| 5 | Lejweleputswa Chess Open Chess Tournament T4 2026 (U12) | Standard | 2026-03-28 | 2026-03-28 | Lejweleputswa (FLW) | 5 | 1270.4 | 5 | 3.5 | 1358.8 | 17.2 | Details |
| 6 | Lejweleputswa Chess Open Chess Tournament 2026 (U12) | Standard | 2026-01-31 | 2026-01-31 | Lejweleputswa (FLW) | 5 | 1253.3 | 5 | 2.5 | 1209.3 | -3.5 | Details |
| 7 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1217.5 | 6 | 4 | 1394.2 | 20.6 | Details |
| 8 | Lejweleputswa Chess Open Chess Tournament 2025 (C) | Standard | 2025-11-29 | 2025-11-29 | Lejweleputswa (FLW) | 5 | 1239.9 | 5 | 2 | 1113 | -13.3 | Details |
| 9 | 2025 Lejweleputswa Closed Chess Chamionship (C) | Rapid | 2025-09-04 | 2025-09-04 | Lejweleputswa (FLW) | 5 | 1246.2 | 5 | 2.5 | 1206.9 | -3.5 | Details |
| 10 | Free State Closed 2025 (U10 Open) | Standard | 2025-08-14 | 2025-08-15 | Mangaung (FMB) | 5 | 1229.8 | 5 | 3 | 1304.9 | 9 | Details |
| 11 | Spartan Bishops Championships Elite 2025 (U10) | Standard | 2025-05-23 | 2025-05-23 | Frances Baard (NCF) | 5 | 1218 | 5 | 2 | 1278.8 | 6.5 | Details |
| 12 | Lejweleputswa Chess 4th Qualifying Swiss Open Tournament 2025 (C) | Standard | 2025-04-12 | 2025-04-12 | Lejweleputswa (FLW) | 5 | 1199.6 | 5 | 3 | 1314.3 | 12 | Details |
| 13 | Lejweleputswa Chess 3rd Qualifying Swiss Open Tournament 2025 (U12) | Standard | 2025-03-29 | 2025-03-29 | Lejweleputswa (FLW) | 5 | 1199.6 | 5 | 2 | 1178.6 | -2.9 | Details |
| 14 | HTS Welkom Open Chess Tournament 2025 (F) | Standard | 2025-02-22 | 2025-02-22 | Lejweleputswa (FLW) | 5 | 1200 | 4 | 1 | 993.8 | -16.3 | Details |
Game statistics ( )
| Games | 9 |
| Wins | 4 |
| Draws | 0 |
| Losses | 5 |
| White | 4 |
| Black | 5 |
| White wins | 1 |
| Black wins | 3 |
| Score | 4 |
| Percent | 44.4 |
| Dp | -47.2 |
| AOR | 1246.1 |
| Performance | 1198.9 |
Game statistics ()
| Games | 39 |
| Wins | 18 |
| Draws | 2 |
| Losses | 19 |
| White | 18 |
| Black | 21 |
| White wins | 6 |
| Black wins | 12 |
| Score | 19 |
| Percent | 48.7 |
| Dp | -10.9 |
| AOR | 1248 |
| Performance | 1237.1 |
Game statistics (History)
| Games | 79 |
| Wins | 37 |
| Draws | 3 |
| Losses | 39 |
| White | 38 |
| Black | 41 |
| White wins | 17 |
| Black wins | 20 |
| Score | 38.5 |
| Percent | 48.7 |
| Dp | -10.8 |
| AOR | 1245.8 |
| Performance | 1235.1 |
Rankings (Main)
| National | |
| Overall | 7619 |
| Gender | 6167 |
| Age group | 938 |
| Gender/Age | 707 |
| Provincial | |
| Overall | 192 |
| Gender | 164 |
| Age group | 17 |
| Gender/Age | 14 |
| Regional | |
| Overall | 58 |
| Gender | 50 |
| Age group | 12 |
| Gender/Age | 10 |
Rankings (Standard)
| National | |
| Overall | 6274 |
| Gender | 5021 |
| Age group | 773 |
| Gender/Age | 576 |
| Provincial | |
| Overall | 166 |
| Gender | 147 |
| Age group | 14 |
| Gender/Age | 13 |
| Regional | |
| Overall | 53 |
| Gender | 47 |
| Age group | 10 |
| Gender/Age | 9 |
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 | 9 |
| Score | 4 |
| Percent | 44.4 |
| Aor | 1246.1 |
| Dp | -47.2 |
| Prat | 1198.9 |
Performance ()
| Games | 39 |
| Score | 19 |
| Percent | 48.7 |
| Aor | 1248 |
| Dp | -10.9 |
| Prat | 1237.1 |
Performance (12 months)
| Games | 50 |
| Score | 25 |
| Percent | 50 |
| Aor | 1243.6 |
| Dp | 0 |
| Prat | 1243.6 |
Performance (History)
| Games | 79 |
| Score | 38.5 |
| Percent | 48.7 |
| Aor | 1245.8 |
| Dp | -10.8 |
| Prat | 1235.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Roux, P (Pieter) | 4 | 2 | 2 | Lejweleputswa Chess 3rd Qualifying Swiss Open Tournament 2025 (U12) | Free State Closed 2025 (U10 Open) | Details |
| Overall | 2 | Pepile, M (Makhosanda) | 4 | 3 | 1 | Lejweleputswa Chess Open Chess Tournament 2025 (C) | Free State Closed 2026 (U12) | Details |
| Overall | 3 | Lebotsa, T (Thato) | 3 | 1 | 2 | Lejweleputswa Chess Open Chess Tournament 2025 (C) | Free State Closed 2026 (U12) | Details |
| Overall | 4 | Harvey, C (Cayden) | 2 | 1 | 1 | Lejweleputswa Chess Open Chess Tournament 2026 (U12) | Lejweleputswa Chess Open Chess Tournament 2026 (U12) | Details |
| Overall | 5 | Mofokeng, M (Mphonyara) | 2 | 1 | 1 | Lejweleputswa Chess Open Chess Tournament T4 2026 (U12) | Lejweleputswa Chess Open Chess Tournament T7 2026 (C) | Details |
| Standard | 1 | Roux, P (Pieter) | 4 | 2 | 2 | Lejweleputswa Chess 3rd Qualifying Swiss Open Tournament 2025 (U12) | Free State Closed 2025 (U10 Open) | Details |
| Standard | 2 | Pepile, M (Makhosanda) | 4 | 3 | 1 | Lejweleputswa Chess Open Chess Tournament 2025 (C) | Free State Closed 2026 (U12) | Details |
| Standard | 3 | Lebotsa, T (Thato) | 3 | 1 | 2 | Lejweleputswa Chess Open Chess Tournament 2025 (C) | Free State Closed 2026 (U12) | Details |
| Standard | 4 | Harvey, C (Cayden) | 2 | 1 | 1 | Lejweleputswa Chess Open Chess Tournament 2026 (U12) | Lejweleputswa Chess Open Chess Tournament 2026 (U12) | Details |
| Standard | 5 | Mofokeng, M (Mphonyara) | 2 | 1 | 1 | Lejweleputswa Chess Open Chess Tournament T4 2026 (U12) | Lejweleputswa Chess Open Chess Tournament T7 2026 (C) | Details |