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Chess SA Region AOC

PLAYER PAGE

Gerhardus Tj Van Zyl

1090156524
Sedibeng (GSV)
Personal
Main rating
Rating 1391.9
K-factor 36
Floor 891.9
Highest 1408.9 (2024-10-01)
Min/Max +/- allowed 123
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1365.7
Final +/- 0
New Rating
()
Rating 1391.9
K-factor 36
Floor 891.9
Highest 1408.9 (2024-10-01)
Min/Max +/- allowed 123.1
Standard rating
Rating 1384.2
K-factor 36
Floor 884.2
Highest 1384.2 (2025-11-01)
Min/Max +/- allowed 127.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1333.8
Final +/- 0
New Rating
()
Rating 1384.2
K-factor 36
Floor 884.2
Highest 1384.2 (2025-11-01)
Min/Max +/- allowed 127.5
Rapid rating
Rating 1250
K-factor 36
Floor 750
Highest 1496 (2024-10-01)
Min/Max +/- allowed 108.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1250
K-factor 36
Floor 750
Highest 1496 (2024-10-01)
Min/Max +/- allowed 108.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
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 (2018-10-01)
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 2025 Gauteng Top Schools Teams (U17) Standard 2025-08-30 2025-08-30 Tshwane (GTP) 5 1370.3 5 3 1499.5 0 Details
2 GDE (D8) Sedibeng West Schools - Teams 2025 (U17) Standard 2025-08-16 2025-08-16 Sedibeng (GSV) 4 1351.4 4 3 1485.6 0 Details
3 GDE (D8) Sedibeng West Schools Individuals 2025 (U18 Boys) Standard 2025-06-07 2025-06-07 Sedibeng (GSV) 5 1371 1 0 775 0 Details
4 Gauteng Top Schools 2024 (U19 Open) Rapid 2024-10-05 2024-10-05 Ekurhuleni (GE) 5 1344.9 4 3.5 1577.6 0 Details
5 Sedibeng West District Schools Chess Team's Championships 2024 (U15) Standard 2024-08-12 2024-08-12 Sedibeng (GSV) 5 1263 5 5 1645.2 0 Details
6 Valia's Open 2024 (B) Standard 2024-03-02 2024-03-02 Sedibeng (GSV) 5 1233.1 5 3 1409.6 0 Details
7 2024 Gauteng Inter-Region Chess Championship (U16C) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1258.5 4 1 1101.8 0 Details
8 2023 Gauteng Top Schools (U17 Mixed) Standard 2023-08-19 2023-08-19 West Rand (GWR) 5 1191.6 5 3.5 1435.3 0 Details
9 2023 Sedibeng West District Schools Chess Tournament (U17+U19) Standard 2023-08-12 2023-08-12 Sedibeng (GSV) 5 1191.6 4 2.5 1356.6 0 Details
10 D8 Schools Individuals 2023 (U15 Boys) Standard 2023-05-20 2023-05-20 West Rand (GWR) 5 1200 5 2.5 1159.4 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 42
Wins 24
Draws 6
Losses 12
White 21
Black 21
White wins 13
Black wins 11
Score 27
Percent 64.3
Dp 121.4
AOR 1274
Performance 1395.4
Rankings (Main)
National
Overall 3446
Gender 2916
Age group 527
Gender/Age 436
Provincial
Overall 1197
Gender 1002
Age group 200
Gender/Age 165
Regional
Overall 106
Gender 93
Age group 21
Gender/Age 17
Rankings (Standard)
National
Overall 3274
Gender 2756
Age group 501
Gender/Age 416
Provincial
Overall 1169
Gender 981
Age group 196
Gender/Age 163
Regional
Overall 108
Gender 93
Age group 20
Gender/Age 16
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 6
Percent 60
Aor 1336.5
Dp 85
Prat 1421.5
Performance (History)
Games 42
Score 27
Percent 64.3
Aor 1274
Dp 121.4
Prat 1395.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Davids, A (Anton) 2 2 0 GDE (D8) Sedibeng West Schools - Teams 2025 (U17) 2025 Gauteng Top Schools Teams (U17) Details
Overall 2 Mogorosi, M (Monnapule) 2 0 2 GDE (D8) Sedibeng West Schools Individuals 2025 (U18 Boys) GDE (D8) Sedibeng West Schools - Teams 2025 (U17) Details
Overall 3 Matsau, K (Katleho) 2 1 1 2023 Sedibeng West District Schools Chess Tournament (U17+U19) 2023 Gauteng Top Schools (U17 Mixed) Details
Standard 1 Davids, A (Anton) 2 2 0 GDE (D8) Sedibeng West Schools - Teams 2025 (U17) 2025 Gauteng Top Schools Teams (U17) Details
Standard 2 Mogorosi, M (Monnapule) 2 0 2 GDE (D8) Sedibeng West Schools Individuals 2025 (U18 Boys) GDE (D8) Sedibeng West Schools - Teams 2025 (U17) Details
Standard 3 Matsau, K (Katleho) 2 1 1 2023 Sedibeng West District Schools Chess Tournament (U17+U19) 2023 Gauteng Top Schools (U17 Mixed) Details