Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Rian Van Der Merwe

1150300707
Bojanala Platina (NBR)
Personal
Main rating
Rating 1253.9
K-factor 36
Floor 753.9
Highest 1253.9 (2025-09-30)
Min/Max +/- allowed 154
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1145.1
Final +/- 0
New Rating
()
Rating 1253.9
K-factor 36
Floor 753.9
Highest 1253.9 (2025-09-30)
Min/Max +/- allowed 153.6
Standard rating
Rating 1207.2
K-factor 36
Floor 709.6
Highest 1238 (2024-03-01)
Min/Max +/- allowed 157.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1207.2
K-factor 36
Floor 709.6
Highest 1238 (2024-03-01)
Min/Max +/- allowed 157.1
Rapid rating
Rating 1272.6
K-factor 36
Floor 772.6
Highest 1272.6 (2025-08-01)
Min/Max +/- allowed 149.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1272.6
K-factor 36
Floor 772.6
Highest 1272.6 (2025-08-01)
Min/Max +/- allowed 149.5
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2024-04-01)
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 (2024-04-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Parkies Invitational 2025 (U11) Standard 2025-09-23 2025-09-23 Bojanala Platina (NBR) 5 1238.4 5 3 1335.6 0 Details
2 Bojanala's Clash Of Schools -Primary Schools 2025 (U11) Rapid 2025-07-26 2025-07-26 Bojanala Platina (NBR) 5 1180.1 5 4.5 1566.3 0 Details
3 Bojanala's Clash Of Schools 2024 (U11) Standard 2024-07-20 2024-07-20 Bojanala Platina (NBR) 5 1209.8 5 0 891.1 0 Details
4 Bojanala's Rating Express 2024 (Center Pawns) Standard 2024-04-06 2024-04-06 Bojanala Platina (NBR) 5 1208.3 5 2.5 1224.2 0 Details
5 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) Standard 2024-03-16 2024-03-16 Bojanala Platina (NBR) 5 1200 5 3 1235.6 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 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 (History)
Games 25
Wins 12
Draws 2
Losses 11
White 13
Black 12
White wins 5
Black wins 7
Score 13
Percent 52
Dp 17
AOR 1233.6
Performance 1250.6
Rankings (Main)
National
Overall 8151
Gender 6630
Age group 835
Gender/Age 656
Provincial
Overall 501
Gender 421
Age group 51
Gender/Age 43
Regional
Overall 300
Gender 245
Age group 39
Gender/Age 31
Rankings (Standard)
National
Overall 9482
Gender 7435
Age group 1140
Gender/Age 864
Provincial
Overall 639
Gender 517
Age group 76
Gender/Age 62
Regional
Overall 358
Gender 288
Age group 56
Gender/Age 43
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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 10
Score 7.5
Percent 75
Aor 1238.4
Dp 212.5
Prat 1450.9
Performance (History)
Games 25
Score 13
Percent 52
Aor 1233.6
Dp 17
Prat 1250.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 De Jager, L (Luado) 2 2 0 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) Bojanala's Rating Express 2024 (Center Pawns) Details
Overall 2 Jonas, M (Minenhle) 2 1 1 Bojanala's Rating Express 2024 (Center Pawns) Bojanala's Clash Of Schools -Primary Schools 2025 (U11) Details
Overall 3 Rakubutu, P (Pabatso) 2 1 1 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) Bojanala's Rating Express 2024 (Center Pawns) Details
Overall 4 Sprague, C (Chloe) 2 1 1 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) Bojanala's Rating Express 2024 (Center Pawns) Details
Standard 1 De Jager, L (Luado) 2 2 0 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) Bojanala's Rating Express 2024 (Center Pawns) Details
Standard 2 Rakubutu, P (Pabatso) 2 1 1 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) Bojanala's Rating Express 2024 (Center Pawns) Details
Standard 3 Sprague, C (Chloe) 2 1 1 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) Bojanala's Rating Express 2024 (Center Pawns) Details