Surname or Chess SA id..
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Johan Botha

1150331968
Eden (WEG)
Personal
Main rating
Rating 1479.5
K-factor 32
Floor 979.5
Highest 1479.5 (2026-06-01)
Min/Max +/- allowed 111
Rating Change
()
Games 5
Score 3.5
We 2.91
SWe 0.49
Temp +/- 15.7
Penalties 0
Weight perform 1522.6
Final +/- +43.1
New Rating
()
Rating 1522.6
K-factor 32
Floor 1022.6
Highest 1522.6 (2026-06-01)
Min/Max +/- allowed 104.7
Standard rating
Rating 1403.8
K-factor 32
Floor 903.8
Highest 1403.8 (2026-06-01)
Min/Max +/- allowed 124
Rating Change
()
Games 5
Score 3.5
We 2.42
SWe 1.08
Temp +/- 34.5
Penalties 0
Weight perform 1529.2
Final +/- +124
New Rating
()
Rating 1527.9
K-factor 32
Floor 1027.9
Highest 1527.9 (2026-06-01)
Min/Max +/- allowed 103.9
Rapid rating
Rating 1212
K-factor 36
Floor 712
Highest 1212 (2026-02-28)
Min/Max +/- allowed 163
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1212
K-factor 36
Floor 712
Highest 1212 (2026-02-28)
Min/Max +/- allowed 163
Blitz rating
Rating 1200
K-factor 40
Floor 700
Highest 1199 (2026-02-17)
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 (2026-02-17)
Min/Max +/- allowed 166.1
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Eden Chess Trials 2 2026 (U12 Boys) Standard 2026-05-23 2026-05-23 Eden (WEG) 5 1479.5 5 3.5 1572.2 15.7 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 WCSC PS Individual Championship (U11 Boys) Standard 2026-05-16 2026-05-17 Overberg (WOS) 6 1344.5 6 4 1556.5 44.5 Details
2 Eden Schools Trials 1 2026 (U11 Boys) Standard 2026-03-14 2026-03-14 Eden (WEG) 5 1244.4 5 3.5 1524.6 47.8 Details
3 George Trials 3 2026 (U11 Boys) Standard 2026-02-28 2026-02-28 Eden (WEG) 5 1244.4 4 3 1618.3 52.3 Details
4 Loerie Skaaktoernooi 2026 (U11+U13) Rapid 2026-02-21 2026-02-21 Eden (WEG) 5 1200 5 2.5 1319 6.1 Details
5 George Trials 2 2026 (U11 Boys) Standard 2026-02-14 2026-02-14 Eden (WEG) 5 1200 5 3 1357.8 16.1 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 30
Wins 18
Draws 3
Losses 9
White 14
Black 16
White wins 9
Black wins 9
Score 19.5
Percent 65
Dp 127.5
AOR 1361.8
Performance 1489.3
Game statistics (History)
Games 30
Wins 18
Draws 3
Losses 9
White 14
Black 16
White wins 9
Black wins 9
Score 19.5
Percent 65
Dp 127.5
AOR 1361.8
Performance 1489.3
Rankings (Main)
National
Overall 2255
Gender 1961
Age group 168
Gender/Age 137
Provincial
Overall 671
Gender 561
Age group 55
Gender/Age 42
Regional
Overall 136
Gender 114
Age group 16
Gender/Age 12
Rankings (Standard)
National
Overall 3162
Gender 2640
Age group 279
Gender/Age 213
Provincial
Overall 924
Gender 725
Age group 89
Gender/Age 58
Regional
Overall 212
Gender 155
Age group 29
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 30
Score 19.5
Percent 65
Aor 1361.8
Dp 127.5
Prat 1489.3
Performance (12 months)
Games 30
Score 19.5
Percent 65
Aor 1361.8
Dp 127.5
Prat 1489.3
Performance (History)
Games 30
Score 19.5
Percent 65
Aor 1361.8
Dp 127.5
Prat 1489.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Boltman, J (Jandre) 2 0 2 George Trials 2 2026 (U11 Boys) George Trials 3 2026 (U11 Boys) Details
Standard 1 Boltman, J (Jandre) 2 0 2 George Trials 2 2026 (U11 Boys) George Trials 3 2026 (U11 Boys) Details