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

PLAYER PAGE

Willem Erasmus

187009027
Mangaung (FMB)
Personal
Main rating
Rating 1329.3
K-factor 36
Floor 829.3
Highest 1329.3 (2026-03-01)
Min/Max +/- allowed 138
Rating Change
()
Games 5
Score 3.5
We 1.67
SWe 1.52
Temp +/- 54.7
Penalties 0
Weight perform 0
Final +/- +54.7
New Rating
()
Rating 1384
K-factor 36
Floor 884
Highest 1384 (2026-10-01)
Min/Max +/- allowed 127.6
Standard rating
Rating 1337.8
K-factor 36
Floor 837.8
Highest 1337.8 (2026-03-01)
Min/Max +/- allowed 136.3
Rating Change
()
Games 5
Score 3.5
We 1.69
SWe 1.81
Temp +/- 65
Penalties 0
Weight perform 0
Final +/- +65
New Rating
()
Rating 1402.8
K-factor 32
Floor 902.8
Highest 1402.8 (2026-10-01)
Min/Max +/- allowed 124.2
Rapid rating
Rating 1300
K-factor 36
Floor 800
Highest 1300 (2024-02-01)
Min/Max +/- allowed 143.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1300
K-factor 36
Floor 800
Highest 1300 (2024-02-01)
Min/Max +/- allowed 143.8
Blitz rating
Rating 1300
K-factor 36
Floor 800
Highest 1300 (2024-02-01)
Min/Max +/- allowed 143.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1300
K-factor 36
Floor 800
Highest 1300 (2024-02-01)
Min/Max +/- allowed 143.8
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Fonteine Chess Open 2026 (A) Standard 2026-10-24 2026-10-24 Sedibeng (GSV) 5 1329.3 5 3.5 1697.4 54.7 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Hoerskool Drie Riviere Chess Open 07 March 2026 (B) Standard 2026-03-07 2026-03-07 Sedibeng (GSV) 5 1314.3 5 3 1392.4 15 Details
2 Dr KK Chess - Curro 2026 (B) Standard 2026-02-07 2026-02-07 Dr Kenneth Kaunda (NWP) 5 1288.8 4 2 1479 10.2 Details
3 Gauteng Inter-Region at UJ 2024 (Adult+Senior) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1300 5 2 1211 -10.1 Details
Game statistics ( )
Games 5
Wins 3
Draws 1
Losses 1
White 2
Black 3
White wins 2
Black wins 1
Score 3.5
Percent 70
Dp 170
AOR 1527.4
Performance 1697.4
Game statistics ()
Games 14
Wins 8
Draws 1
Losses 5
White 6
Black 8
White wins 4
Black wins 4
Score 8.5
Percent 60.7
Dp 91.1
AOR 1435
Performance 1526.1
Game statistics (History)
Games 19
Wins 10
Draws 1
Losses 8
White 9
Black 10
White wins 5
Black wins 5
Score 10.5
Percent 55.3
Dp 44.7
AOR 1398.4
Performance 1443.2
Rankings (Main)
National
Overall 5245
Gender 4340
Age group 1227
Gender/Age 1137
Provincial
Overall 127
Gender 118
Age group 45
Gender/Age 43
Regional
Overall 83
Gender 79
Age group 29
Gender/Age 27
Rankings (Standard)
National
Overall 4439
Gender 3661
Age group 991
Gender/Age 912
Provincial
Overall 112
Gender 105
Age group 39
Gender/Age 37
Regional
Overall 72
Gender 68
Age group 24
Gender/Age 22
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 9
Score 5
Percent 55.6
Aor 1383.7
Dp 47.2
Prat 1430.9
Performance (12 months)
Games 9
Score 5
Percent 55.6
Aor 1383.7
Dp 47.2
Prat 1430.9
Performance (History)
Games 14
Score 7
Percent 50
Aor 1352.4
Dp 0
Prat 1352.4
Top 5 opponents most often played
Player not found.
Type # Opponent Games White Black First tournament Last tournament Details