Surname or Chess SA id..
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PLAYER PAGE

Johannes Zacharia Roets

188032411
Nkangala (MNW)
Personal
Main rating
Rating 1392.9
K-factor 32
Floor 924.4
Highest 1566.7 (2024-04-01)
Min/Max +/- allowed 98
Rating Change
()
Games 9
Score 5.5
We 2.47
SWe 0.55
Temp +/- 17.4
Penalties 0
Weight perform 0
Final +/- +17.4
New Rating
()
Rating 1410.3
K-factor 32
Floor 924.4
Highest 1566.7 (2024-04-01)
Min/Max +/- allowed 98.3
Standard rating
Rating 1390.9
K-factor 32
Floor 927.6
Highest 1566.4 (2024-04-01)
Min/Max +/- allowed 98.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1390.9
K-factor 32
Floor 927.6
Highest 1566.4 (2024-04-01)
Min/Max +/- allowed 98.4
Rapid rating
Rating 1409
K-factor 32
Floor 909
Highest 1409 (2024-02-01)
Min/Max +/- allowed 123.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1409
K-factor 32
Floor 909
Highest 1409 (2024-02-01)
Min/Max +/- allowed 123.1
Blitz rating
Rating 1409
K-factor 32
Floor 909
Highest 1409 (2024-02-01)
Min/Max +/- allowed 123.1
Rating Change
()
Games 9
Score 5.5
We 6.81
SWe -1.31
Temp +/- -42
Penalties 0
Weight perform 0
Final +/- -42
New Rating
()
Rating 1367
K-factor 32
Floor 909
Highest 1409 (2024-02-01)
Min/Max +/- allowed 123.1
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Junior Closed Chess Championship 2026 (Blitz) Blitz 2026-03-31 2026-03-31 Bojanala Platina (NBR) 9 1392.9 9 5.5 1684.9 17.4 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 TRAC Mbombela 3rd Annual Tournament 2025 (Open) Standard 2025-09-13 2025-09-13 Ehlanzeni (MEN) 5 1414.4 4 1 1338.8 -5.8 Details
2 Mpumalanga Regional Chess Trials 2025 (Open) Standard 2025-09-06 2025-09-06 Ehlanzeni (MEN) 5 1414.4 5 0 1115.2 -30 Details
3 Mpumalanga Open Chess Championship 2025 (B) Standard 2025-04-19 2025-04-19 Ehlanzeni (MEN) 5 1424.4 5 2.5 1315.2 -11.6 Details
4 Ekurhuleni Open 2024 (B) Standard 2024-04-06 2024-04-06 Ekurhuleni (GE) 5 1409 3 2 1564.1 9.6 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 9
Wins 5
Draws 1
Losses 3
White 5
Black 4
White wins 2
Black wins 3
Score 5.5
Percent 61.1
Dp 94.4
AOR 1590.5
Performance 1684.9
Game statistics (History)
Games 26
Wins 10
Draws 2
Losses 14
White 14
Black 12
White wins 5
Black wins 5
Score 11
Percent 42.3
Dp -65.4
AOR 1502.5
Performance 1437.1
Rankings (Main)
National
Overall 3604
Gender 3036
Age group 1066
Gender/Age 987
Provincial
Overall 86
Gender 78
Age group 36
Gender/Age 34
Regional
Overall 13
Gender 11
Age group 5
Gender/Age 4
Rankings (Standard)
National
Overall 3290
Gender 2747
Age group 934
Gender/Age 859
Provincial
Overall 81
Gender 72
Age group 33
Gender/Age 31
Regional
Overall 13
Gender 11
Age group 5
Gender/Age 4
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 5.5
Percent 61.1
Aor 1590.5
Dp 94.4
Prat 1684.9
Performance (12 months)
Games 18
Score 6.5
Percent 36.1
Aor 1567.8
Dp -118.1
Prat 1449.8
Performance (History)
Games 26
Score 11
Percent 42.3
Aor 1502.5
Dp -65.4
Prat 1437.1
Top 5 opponents most often played
Player not found.
Type # Opponent Games White Black First tournament Last tournament Details