Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Rian Van Der Merwe

1150300707
Bojanala Platina (NBR)
Personal
Main rating
Rating 1295.3
K-factor 36
Floor 795.3
Highest 1295.3 (2026-09-01)
Min/Max +/- allowed 145
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1260.7
Final +/- 0
New Rating
()
Rating 1295.3
K-factor 36
Floor 795.3
Highest 1295.3 (2026-09-01)
Min/Max +/- allowed 144.8
Standard rating
Rating 1219.7
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 1052.4
Final +/- 0
New Rating
()
Rating 1219.7
K-factor 36
Floor 709.6
Highest 1238 (2024-03-01)
Min/Max +/- allowed 157.1
Rapid rating
Rating 1294.4
K-factor 36
Floor 794.4
Highest 1294.4 (2026-09-01)
Min/Max +/- allowed 144.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1294.4
K-factor 36
Floor 794.4
Highest 1294.4 (2026-09-01)
Min/Max +/- allowed 144.9
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 2026 Bojanala's Rooi Masjien 2.0 (Center Pawns) Standard 2026-08-22 2026-08-22 Bojanala Platina (NBR) 5 1295.3 5 3 1270.5 4.4 Details
2 Bojanala Clash Of Schools - Primary 2026 (U11) Rapid 2026-08-15 2026-08-15 Bojanala Platina (NBR) 5 1295.3 5 4 1526.6 39.8 Details
3 Robday Chess Tournament 2026 (U12) Rapid 2026-04-25 2026-04-25 Bojanala Platina (NBR) 5 1253.9 5 2 1226.8 -2.9 Details
4 Parkies Invitational 2025 (U11) Standard 2025-09-23 2025-09-23 Bojanala Platina (NBR) 5 1238.4 5 3 1335.6 8.8 Details
5 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 32.4 Details
6 Bojanala's Clash Of Schools 2024 (U11) Standard 2024-07-20 2024-07-20 Bojanala Platina (NBR) 5 1209.8 5 0 891.1 -31.7 Details
7 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 0.8 Details
8 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) Standard 2024-03-16 2024-03-16 Bojanala Platina (NBR) 5 1200 5 3 1235.6 4.1 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 15
Wins 9
Draws 0
Losses 6
White 8
Black 7
White wins 6
Black wins 3
Score 9
Percent 60
Dp 85
AOR 1256.3
Performance 1341.3
Game statistics (History)
Games 40
Wins 21
Draws 2
Losses 17
White 21
Black 19
White wins 11
Black wins 10
Score 22
Percent 55
Dp 42.5
AOR 1242.1
Performance 1284.6
Rankings (Main)
National
Overall 6339
Gender 5188
Age group 710
Gender/Age 544
Provincial
Overall 390
Gender 338
Age group 41
Gender/Age 33
Regional
Overall 242
Gender 202
Age group 34
Gender/Age 26
Rankings (Standard)
National
Overall 8675
Gender 6752
Age group 1208
Gender/Age 885
Provincial
Overall 560
Gender 454
Age group 82
Gender/Age 64
Regional
Overall 301
Gender 248
Age group 60
Gender/Age 47
Rankings (Rapid)
National
Overall 2203
Gender 1810
Age group 329
Gender/Age 251
Provincial
Overall 83
Gender 66
Age group 15
Gender/Age 12
Regional
Overall 77
Gender 60
Age group 14
Gender/Age 11
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 15
Score 9
Percent 60
Aor 1256.3
Dp 85
Prat 1341.3
Performance (12 months)
Games 15
Score 9
Percent 60
Aor 1256.3
Dp 85
Prat 1341.3
Performance (History)
Games 40
Score 22
Percent 55
Aor 1242.1
Dp 42.5
Prat 1284.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 De Jager, L (Luado) 3 2 1 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) Bojanala Clash Of Schools - Primary 2026 (U11) Details
Overall 2 Sprague, C (Chloe) 2 1 1 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) Bojanala's Rating Express 2024 (Center Pawns) Details
Overall 3 Jonas, M (Minenhle) 2 1 1 Bojanala's Rating Express 2024 (Center Pawns) Bojanala's Clash Of Schools -Primary Schools 2025 (U11) Details
Overall 4 Rakubutu, P (Pabatso) 2 1 1 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) Bojanala's Rating Express 2024 (Center Pawns) Details
Overall 5 Monare, O (Oreratile) 2 1 1 Bojanala's Clash Of Schools 2024 (U11) Robday Chess Tournament 2026 (U12) Details
Standard 1 Sprague, C (Chloe) 2 1 1 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) Bojanala's Rating Express 2024 (Center Pawns) Details
Standard 2 De Jager, L (Luado) 2 2 0 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) Bojanala's Rating Express 2024 (Center Pawns) Details
Standard 3 Rakubutu, P (Pabatso) 2 1 1 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) Bojanala's Rating Express 2024 (Center Pawns) Details