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Alissa Grobbelaar

2190328203
Overberg (WOS)
Personal
Main rating
Rating 1223.4
K-factor 36
Floor 723.4
Highest 1223.4 (2026-06-01)
Min/Max +/- allowed 160
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1195.1
Final +/- 0
New Rating
()
Rating 1223.4
K-factor 36
Floor 723.4
Highest 1223.4 (2026-06-01)
Min/Max +/- allowed 160.4
Standard rating
Rating 1250.1
K-factor 36
Floor 750.1
Highest 1250.1 (2026-06-01)
Min/Max +/- allowed 154.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1250.1
K-factor 36
Floor 750.1
Highest 1250.1 (2026-06-01)
Min/Max +/- allowed 154.4
Rapid rating
Rating 1156.8
K-factor 40
Floor 699
Highest 1199 (2025-09-24)
Min/Max +/- allowed 166.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1156.8
K-factor 40
Floor 699
Highest 1199 (2025-09-24)
Min/Max +/- allowed 166.1
Blitz rating
Rating 1200
K-factor 40
Floor 700
Highest 1199 (2025-09-24)
Min/Max +/- allowed 166.1
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 40
Floor 700
Highest 1199 (2025-09-24)
Min/Max +/- allowed 166.1
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 WCSC PS Individual Championship (U7 Girls) Standard 2026-05-16 2026-05-17 Overberg (WOS) 6 1177 6 4 1375.7 46.4 Details
2 Overberg Schools Primary School Closed 2026 (U7 Girls) Standard 2026-03-21 2026-03-21 Overberg (WOS) 5 1168 5 2.5 1196.5 4.1 Details
3 Overberg Schools Primary School Trials (Region 1) 2026 (U7 Mixed) Rapid 2026-02-28 2026-02-28 Overberg 6 1168 6 3 1196.9 4.9 Details
4 Overberg Schools Open Championship 2026 (U7) Rapid 2026-01-31 2026-01-31 Overberg (WOS) 5 1172.7 4 2.5 1303.9 3.9 Details
5 Curro Hermanus Spring Open 2025 (U7) Rapid 2025-10-18 2025-10-18 Overberg (WOS) 6 1198.6 6 0 790.7 -34.6 Details
6 Kingsway Chess Open 2025 (Beginners) Rapid 2025-09-20 2025-09-20 Overberg (WOS) 6 1200 5 1.5 1029.7 -9 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 21
Wins 9
Draws 6
Losses 6
White 11
Black 10
White wins 5
Black wins 4
Score 12
Percent 57.1
Dp 60.7
AOR 1207.6
Performance 1268.3
Game statistics (History)
Games 32
Wins 10
Draws 7
Losses 15
White 16
Black 16
White wins 6
Black wins 4
Score 13.5
Percent 42.2
Dp -66.4
AOR 1207.9
Performance 1141.4
Rankings (Main)
National
Overall 10957
Gender 2236
Age group 77
Gender/Age 22
Provincial
Overall 3101
Gender 732
Age group 42
Gender/Age 13
Regional
Overall 221
Gender 72
Age group 7
Gender/Age 4
Rankings (Standard)
National
Overall 7647
Gender 1586
Age group 56
Gender/Age 19
Provincial
Overall 2174
Gender 559
Age group 35
Gender/Age 12
Regional
Overall 136
Gender 52
Age group 6
Gender/Age 4
Rankings (Rapid)
National
Overall 5713
Gender 1394
Age group 32
Gender/Age 10
Provincial
Overall 2202
Gender 587
Age group 16
Gender/Age 6
Regional
Overall 354
Gender 134
Age group 4
Gender/Age 2
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 21
Score 12
Percent 57.1
Aor 1207.6
Dp 60.7
Prat 1268.3
Performance (12 months)
Games 32
Score 13.5
Percent 42.2
Aor 1207.9
Dp -66.4
Prat 1141.4
Performance (History)
Games 32
Score 13.5
Percent 42.2
Aor 1207.9
Dp -66.4
Prat 1141.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Biggs, E (Eryn) 4 2 2 Curro Hermanus Spring Open 2025 (U7) 2026 WCSC PS Individual Championship (U7 Girls) Details
Overall 2 De Villiers, AJ (Albertus Johannes) 2 0 2 Kingsway Chess Open 2025 (Beginners) Overberg Schools Open Championship 2026 (U7) Details
Overall 3 Oosthuizen, K (Kara) 2 1 1 Overberg Schools Open Championship 2026 (U7) Overberg Schools Primary School Trials (Region 1) 2026 (U7 Mixed) Details
Overall 4 Van der Walt, I (Isla) 2 1 1 Overberg Schools Primary School Trials (Region 1) 2026 (U7 Mixed) Overberg Schools Primary School Closed 2026 (U7 Girls) Details
Standard 1 Biggs, E (Eryn) 2 1 1 Overberg Schools Primary School Closed 2026 (U7 Girls) 2026 WCSC PS Individual Championship (U7 Girls) Details
Rapid 1 De Villiers, AJ (Albertus Johannes) 2 0 2 Kingsway Chess Open 2025 (Beginners) Overberg Schools Open Championship 2026 (U7) Details
Rapid 2 Biggs, E (Eryn) 2 1 1 Curro Hermanus Spring Open 2025 (U7) Overberg Schools Primary School Trials (Region 1) 2026 (U7 Mixed) Details
Rapid 3 Oosthuizen, K (Kara) 2 1 1 Overberg Schools Open Championship 2026 (U7) Overberg Schools Primary School Trials (Region 1) 2026 (U7 Mixed) Details