PLAYER PAGE
Jacob Manavalan
1120314901Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1222.7 |
| K-factor | 36 |
| Floor | 747.3 |
| Highest | 1247.3 (2026-02-28) |
| Min/Max +/- allowed | 155 |
| Rating Change () | |
| Games | 4 |
| Score | 1 |
| We | 1.17 |
| SWe | -0.14 |
| Temp +/- | -5.2 |
| Penalties | 0 |
| Weight perform | 1189.5 |
| Final +/- | -5.2 |
| New Rating () | |
| Rating | 1217.5 |
| K-factor | 36 |
| Floor | 747.3 |
| Highest | 1247.3 (2026-02-28) |
| Min/Max +/- allowed | 155 |
Standard rating
| Rating | 1219.5 |
| K-factor | 36 |
| Floor | 752.2 |
| Highest | 1252.2 (2026-02-28) |
| Min/Max +/- allowed | 153.9 |
| Rating Change () | |
| Games | 4 |
| Score | 1 |
| We | 1.14 |
| SWe | -0.14 |
| Temp +/- | -5.2 |
| Penalties | 0 |
| Weight perform | 1189.5 |
| Final +/- | -5.2 |
| New Rating () | |
| Rating | 1214.3 |
| K-factor | 36 |
| Floor | 752.2 |
| Highest | 1252.2 (2026-02-28) |
| Min/Max +/- allowed | 153.9 |
Rapid 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 |
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 | Fourth Knight Riders Open Chess Tournament 2026 (B+C) | Standard | 2026-04-11 | 2026-04-11 | Johannesburg Metro (GJM) | 5 | 1222.7 | 4 | 1 | 1187.9 | -5.2 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | MCA Summer Heat Classic 2026 (Junior) | Standard | 2026-03-21 | 2026-03-21 | Johannesburg Metro (GJM) | 5 | 1247.3 | 5 | 2.5 | 1195.8 | -7.7 | Details |
| 2 | JMC Trinityhouse Little Falls (D) | Standard | 2026-02-28 | 2026-02-28 | Johannesburg Metro (GJM) | 5 | 1247.3 | 5 | 2 | 1143.8 | -16.9 | Details |
| 3 | 2nd Knight Riders Juniors Open Chess Tournament 2026 (A+B) | Standard | 2026-02-21 | 2026-02-21 | Johannesburg Metro (GJM) | 5 | 1237.2 | 4 | 1 | 1102.7 | -10.5 | Details |
| 4 | MCA Welcome JHB 2026 (Junior) | Standard | 2026-02-07 | 2026-02-07 | Johannesburg Metro (GJM) | 5 | 1237.2 | 5 | 5 | 1667.4 | 28.1 | Details |
| 5 | 2026 JMC Kick off Tournament (D) | Standard | 2026-02-01 | 2026-02-01 | Johannesburg Metro (GJM) | 5 | 1237.2 | 4 | 1 | 919.4 | -24.9 | Details |
| 6 | First Knight Riders Juniors Open Chess Tournament 2026 (C) | Standard | 2026-01-17 | 2026-01-17 | Johannesburg Metro (GJM) | 5 | 1200.1 | 5 | 3 | 1420.9 | 7.7 | Details |
| 7 | MCA Winter Chill Classic 2025 (Junior) | Standard | 2025-07-19 | 2025-07-19 | Johannesburg Metro (GJM) | 5 | 1201.7 | 4 | 0 | 814.1 | -30.4 | Details |
| 8 | 2nd Knight Riders Junior Open 2025 (C) | Standard | 2025-03-23 | 2025-03-23 | Johannesburg Metro (GJM) | 5 | 1222.2 | 5 | 0.5 | 878.6 | -34.2 | Details |
| 9 | First Knights Juniors Chess Tournament 2025 (D) | Standard | 2025-02-09 | 2025-02-09 | Johannesburg Metro (GJM) | 5 | 1200 | 4 | 3 | 1341.1 | 11.1 | Details |
Game statistics ( )
| Games | 4 |
| Wins | 1 |
| Draws | 0 |
| Losses | 3 |
| White | 2 |
| Black | 2 |
| White wins | 1 |
| Black wins | 0 |
| Score | 1 |
| Percent | 25 |
| Dp | -212.5 |
| AOR | 1400.4 |
| Performance | 1187.9 |
Game statistics ()
| Games | 32 |
| Wins | 15 |
| Draws | 1 |
| Losses | 16 |
| White | 15 |
| Black | 17 |
| White wins | 8 |
| Black wins | 7 |
| Score | 15.5 |
| Percent | 48.4 |
| Dp | -13.3 |
| AOR | 1262.6 |
| Performance | 1249.3 |
Game statistics (History)
| Games | 45 |
| Wins | 18 |
| Draws | 2 |
| Losses | 25 |
| White | 22 |
| Black | 23 |
| White wins | 9 |
| Black wins | 9 |
| Score | 19 |
| Percent | 42.2 |
| Dp | -66.1 |
| AOR | 1243.7 |
| Performance | 1177.6 |
Rankings (Main)
| National | |
| Overall | 10772 |
| Gender | 8596 |
| Age group | 2005 |
| Gender/Age | 1534 |
| Provincial | |
| Overall | 3596 |
| Gender | 2847 |
| Age group | 678 |
| Gender/Age | 499 |
| Regional | |
| Overall | 898 |
| Gender | 738 |
| Age group | 143 |
| Gender/Age | 104 |
Rankings (Standard)
| National | |
| Overall | 9137 |
| Gender | 7157 |
| Age group | 1667 |
| Gender/Age | 1258 |
| Provincial | |
| Overall | 3207 |
| Gender | 2506 |
| Age group | 621 |
| Gender/Age | 451 |
| Regional | |
| Overall | 757 |
| Gender | 610 |
| Age group | 123 |
| Gender/Age | 88 |
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 | 4 |
| Score | 1 |
| Percent | 25 |
| Aor | 1400.4 |
| Dp | -212.5 |
| Prat | 1187.9 |
Performance ()
| Games | 32 |
| Score | 15.5 |
| Percent | 48.4 |
| Aor | 1262.6 |
| Dp | -13.3 |
| Prat | 1249.3 |
Performance (12 months)
| Games | 36 |
| Score | 15.5 |
| Percent | 43.1 |
| Aor | 1260 |
| Dp | -59 |
| Prat | 1201 |
Performance (History)
| Games | 45 |
| Score | 19 |
| Percent | 42.2 |
| Aor | 1243.7 |
| Dp | -66.1 |
| Prat | 1177.6 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Mathibe, K (Koketso) | 2 | 1 | 1 | 2nd Knight Riders Junior Open 2025 (C) | First Knight Riders Juniors Open Chess Tournament 2026 (C) | Details |
| Overall | 2 | Maduna, A (Asanda) | 2 | 1 | 1 | First Knights Juniors Chess Tournament 2025 (D) | First Knight Riders Juniors Open Chess Tournament 2026 (C) | Details |
| Standard | 1 | Mathibe, K (Koketso) | 2 | 1 | 1 | 2nd Knight Riders Junior Open 2025 (C) | First Knight Riders Juniors Open Chess Tournament 2026 (C) | Details |
| Standard | 2 | Maduna, A (Asanda) | 2 | 1 | 1 | First Knights Juniors Chess Tournament 2025 (D) | First Knight Riders Juniors Open Chess Tournament 2026 (C) | Details |