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PLAYER PAGE

Calvin Groenewald

1090151521
Tshwane (GTP)
Personal
Main rating
Rating 1040.9
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 166
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 905.3
Final +/- 0
New Rating
()
Rating 1040.9
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Standard rating
Rating 1032.7
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 905.3
Final +/- 0
New Rating
()
Rating 1032.7
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rapid 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
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 Grey College Team Championship 2026 (B) Standard 2026-02-20 2026-02-21 Mangaung (FMB) 5 1050.6 5 1 990.2 0 Details
2 2025 Gauteng North School District CLOSED League Finals - D1 (U17) Standard 2025-08-16 2025-08-16 Tshwane (GTP) 3 1028.4 1 1 1625 0 Details
3 2025 Gauteng North School Individual Championships D1 (U18 Open) Standard 2025-05-17 2025-05-17 Tshwane (GTP) 5 1028.6 4 1 1029.2 0 Details
4 D1 Gauteng North District School Closed 2024 (U15) Standard 2024-08-03 2024-08-03 Tshwane (GTP) 5 1040.3 5 1 962.8 0 Details
5 2024 Gauteng North School District Individual Championships - D1 (U15 Boys) Standard 2024-05-11 2024-05-11 Tshwane (GTP) 5 1018.1 5 2 1128.1 0 Details
6 2023 Gauteng Top Schools (U15 Mixed) Standard 2023-08-19 2023-08-19 West Rand (GWR) 5 1077.5 5 0 783.4 0 Details
7 2023 Gauteng North School District CLOSED League Championships (D1) Standard 2023-08-05 2023-08-05 Tshwane (GTP) 3 1077.5 3 1 1069.9 0 Details
8 2023 Gauteng North School District CLOSED Individual Championships (U15 Boys) Standard 2023-05-13 2023-05-13 Tshwane (GTP) 5 1094.1 4 1 987.5 0 Details
9 Silver Lakes Open Chess Tournament (C) Standard 2023-04-15 2023-04-15 Tshwane (GTP) 5 1160.8 5 0 812.5 0 Details
10 Chris Greyling Open Tournament 2023 (D2) Standard 2023-03-21 2023-03-21 Tshwane (GTP) 5 1200 5 1.5 1006.7 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 5
Wins 1
Draws 0
Losses 4
White 2
Black 3
White wins 0
Black wins 1
Score 1
Percent 20
Dp -255
AOR 1245.2
Performance 990.2
Game statistics (History)
Games 42
Wins 9
Draws 1
Losses 32
White 19
Black 23
White wins 5
Black wins 4
Score 9.5
Percent 22.6
Dp -232.7
AOR 1216.6
Performance 983.8
Rankings (Main)
National
Overall 18350
Gender 13582
Age group 2742
Gender/Age 2052
Provincial
Overall 5801
Gender 4279
Age group 970
Gender/Age 728
Regional
Overall 1734
Gender 1293
Age group 254
Gender/Age 196
Rankings (Standard)
National
Overall 13784
Gender 10153
Age group 2130
Gender/Age 1581
Provincial
Overall 4766
Gender 3482
Age group 807
Gender/Age 604
Regional
Overall 1660
Gender 1234
Age group 240
Gender/Age 184
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 5
Score 1
Percent 20
Aor 1245.2
Dp -255
Prat 990.2
Performance (12 months)
Games 10
Score 3
Percent 30
Aor 1239.3
Dp -170
Prat 1069.3
Performance (History)
Games 42
Score 9.5
Percent 22.6
Aor 1216.6
Dp -232.7
Prat 983.8
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Sithole, N (Nkosinathi) 2 0 2 2024 Gauteng North School District Individual Championships - D1 (U15 Boys) D1 Gauteng North District School Closed 2024 (U15) Details
Overall 2 Modiba, K (Kamogelo) 2 0 2 2023 Gauteng North School District CLOSED League Championships (D1) 2023 Gauteng Top Schools (U15 Mixed) Details
Standard 1 Sithole, N (Nkosinathi) 2 0 2 2024 Gauteng North School District Individual Championships - D1 (U15 Boys) D1 Gauteng North District School Closed 2024 (U15) Details
Standard 2 Modiba, K (Kamogelo) 2 0 2 2023 Gauteng North School District CLOSED League Championships (D1) 2023 Gauteng Top Schools (U15 Mixed) Details