PLAYER PAGE
Jacob Manavalan
1120314901Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1256 |
| K-factor | 36 |
| Floor | 756 |
| Highest | 1256 (2026-06-01) |
| Min/Max +/- allowed | 153 |
| Rating Change () | |
| Games | 5 |
| Score | 4.5 |
| We | 2.54 |
| SWe | 1.63 |
| Temp +/- | 58.6 |
| Penalties | 0 |
| Weight perform | 1380.1 |
| Final +/- | +124.2 |
| New Rating () | |
| Rating | 1380.1 |
| K-factor | 36 |
| Floor | 880.1 |
| Highest | 1380.1 (2026-06-01) |
| Min/Max +/- allowed | 128.3 |
Standard rating
| Rating | 1212.9 |
| K-factor | 36 |
| Floor | 752.2 |
| Highest | 1252.2 (2026-02-28) |
| Min/Max +/- allowed | 153.9 |
| Rating Change () | |
| Games | 5 |
| Score | 4.5 |
| We | 2.26 |
| SWe | 2.24 |
| Temp +/- | 80.5 |
| Penalties | 0 |
| Weight perform | 1315 |
| Final +/- | +102 |
| New Rating () | |
| Rating | 1315 |
| K-factor | 36 |
| Floor | 815 |
| Highest | 1315 (2026-06-01) |
| Min/Max +/- allowed | 140.8 |
Rapid rating
| Rating | 1235.9 |
| K-factor | 36 |
| Floor | 735.9 |
| Highest | 1235.9 (2026-06-01) |
| Min/Max +/- allowed | 157.6 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1235.9 |
| K-factor | 36 |
| Floor | 735.9 |
| Highest | 1235.9 (2026-06-01) |
| Min/Max +/- allowed | 157.6 |
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 | JMC Helpmekaar 2026 (D) | Standard | 2026-05-31 | 2026-05-31 | Johannesburg Metro (GJM) | 5 | 1256 | 5 | 4.5 | 1596.5 | 58.6 | 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 | 1215.5 | 5 | 2.5 | 1494 | 35.7 | Details |
| 2 | 3rd KHELO INDIA - LCA Chess Tournament 2026 (B) | Standard | 2026-04-18 | 2026-04-19 | Johannesburg Metro (GJM) | 5 | 1222.7 | 5 | 2.5 | 1218.1 | -2 | Details |
| 3 | 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 |
| 4 | 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 |
| 5 | 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 |
| 6 | 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 |
| 7 | 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 |
| 8 | 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 |
| 9 | 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 |
| 10 | 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 |
| 11 | 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 |
| 12 | 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 | 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 | 47 |
| Wins | 23 |
| Draws | 4 |
| Losses | 20 |
| White | 23 |
| Black | 24 |
| White wins | 12 |
| Black wins | 11 |
| Score | 25 |
| Percent | 53.2 |
| Dp | 27.1 |
| AOR | 1281.8 |
| Performance | 1309 |
Game statistics (History)
| Games | 60 |
| Wins | 26 |
| Draws | 5 |
| Losses | 29 |
| White | 30 |
| Black | 30 |
| White wins | 13 |
| Black wins | 13 |
| Score | 28.5 |
| Percent | 47.5 |
| Dp | -21.2 |
| AOR | 1263.5 |
| Performance | 1242.3 |
Rankings (Main)
| National | |
| Overall | 8592 |
| Gender | 6950 |
| Age group | 1491 |
| Gender/Age | 1156 |
| Provincial | |
| Overall | 2967 |
| Gender | 2381 |
| Age group | 518 |
| Gender/Age | 394 |
| Regional | |
| Overall | 730 |
| Gender | 611 |
| Age group | 107 |
| Gender/Age | 80 |
Rankings (Standard)
| National | |
| Overall | 9582 |
| Gender | 7461 |
| Age group | 1707 |
| Gender/Age | 1288 |
| Provincial | |
| Overall | 3433 |
| Gender | 2652 |
| Age group | 661 |
| Gender/Age | 479 |
| Regional | |
| Overall | 743 |
| Gender | 607 |
| Age group | 115 |
| Gender/Age | 86 |
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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 47 |
| Score | 25 |
| Percent | 53.2 |
| Aor | 1281.8 |
| Dp | 27.1 |
| Prat | 1309 |
Performance (12 months)
| Games | 51 |
| Score | 25 |
| Percent | 49 |
| Aor | 1278.5 |
| Dp | -8.3 |
| Prat | 1270.2 |
Performance (History)
| Games | 60 |
| Score | 28.5 |
| Percent | 47.5 |
| Aor | 1263.5 |
| Dp | -21.2 |
| Prat | 1242.3 |
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 |
| Overall | 3 | Mitra, S (Soham) | 2 | 2 | 0 | JMC Trinityhouse Little Falls (D) | Fourth Knight Riders Open Chess Tournament 2026 (B+C) | Details |
| Overall | 4 | Subroyen, J (Jeevesh) | 2 | 1 | 1 | First Knight Riders Juniors Open Chess Tournament 2026 (C) | JMC Crawford Sandton Rapid 2026 (Open) | Details |
| Standard | 1 | Mitra, S (Soham) | 2 | 2 | 0 | JMC Trinityhouse Little Falls (D) | Fourth Knight Riders Open Chess Tournament 2026 (B+C) | Details |
| Standard | 2 | Mathibe, K (Koketso) | 2 | 1 | 1 | 2nd Knight Riders Junior Open 2025 (C) | First Knight Riders Juniors Open Chess Tournament 2026 (C) | Details |
| Standard | 3 | Maduna, A (Asanda) | 2 | 1 | 1 | First Knights Juniors Chess Tournament 2025 (D) | First Knight Riders Juniors Open Chess Tournament 2026 (C) | Details |