Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Jacob Manavalan

1120314901
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1247.3
K-factor 36
Floor 747.3
Highest 1247.3 (2026-02-28)
Min/Max +/- allowed 155
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1227.6
Final +/- 0
New Rating
()
Rating 1247.3
K-factor 36
Floor 747.3
Highest 1247.3 (2026-02-28)
Min/Max +/- allowed 155
Standard rating
Rating 1252.2
K-factor 36
Floor 752.2
Highest 1252.2 (2026-02-28)
Min/Max +/- allowed 153.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1227.6
Final +/- 0
New Rating
()
Rating 1252.2
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 JMC Trinityhouse Little Falls (D) Standard 2026-02-28 2026-02-28 Johannesburg Metro (GJM) 5 1247.3 5 2 1143.8 -17 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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 0 Details
2 MCA Welcome JHB 2026 (Junior) Standard 2026-02-07 2026-02-07 Johannesburg Metro (GJM) 5 1237.2 5 5 1667.4 0 Details
3 2026 JMC Kick off Tournament (D) Standard 2026-02-01 2026-02-01 Johannesburg Metro (GJM) 5 1237.2 4 1 919.4 0 Details
4 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 0 Details
5 MCA Winter Chill Classic 2025 (Junior) Standard 2025-07-19 2025-07-19 Johannesburg Metro (GJM) 5 1201.7 4 0 814.1 0 Details
6 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 0 Details
7 First Knights Juniors Chess Tournament 2025 (D) Standard 2025-02-09 2025-02-09 Johannesburg Metro (GJM) 5 1200 4 3 1341.1 0 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 18
Wins 10
Draws 0
Losses 8
White 9
Black 9
White wins 5
Black wins 5
Score 10
Percent 55.6
Dp 47.2
AOR 1260
Performance 1307.2
Game statistics (History)
Games 31
Wins 13
Draws 1
Losses 17
White 16
Black 15
White wins 6
Black wins 7
Score 13.5
Percent 43.5
Dp -54.8
AOR 1233.7
Performance 1178.8
Rankings (Main)
National
Overall 8547
Gender 6929
Age group 1547
Gender/Age 1184
Provincial
Overall 2912
Gender 2353
Age group 541
Gender/Age 400
Regional
Overall 735
Gender 616
Age group 111
Gender/Age 81
Rankings (Standard)
National
Overall 7113
Gender 5728
Age group 1279
Gender/Age 974
Provincial
Overall 2577
Gender 2064
Age group 487
Gender/Age 355
Regional
Overall 628
Gender 514
Age group 100
Gender/Age 71
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 18
Score 10
Percent 55.6
Aor 1260
Dp 47.2
Prat 1307.2
Performance (12 months)
Games 27
Score 10.5
Percent 38.9
Aor 1249.2
Dp -94.4
Prat 1154.8
Performance (History)
Games 31
Score 13.5
Percent 43.5
Aor 1233.7
Dp -54.8
Prat 1178.8
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