Surname or Chess SA id..
Chess SA Region AOC

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Johanica Bosman

2130303064
West Rand (GWR)
Personal
Main rating
Rating 1242.7
K-factor 36
Floor 742.7
Highest 1242.7 (2025-11-01)
Min/Max +/- allowed 156
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1242.7
K-factor 36
Floor 742.7
Highest 1242.7 (2025-11-01)
Min/Max +/- allowed 156
Standard rating
Rating 1250.3
K-factor 36
Floor 750.3
Highest 1250.3 (2025-11-01)
Min/Max +/- allowed 154.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1250.3
K-factor 36
Floor 750.3
Highest 1250.3 (2025-11-01)
Min/Max +/- allowed 154.3
Rapid rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2024-06-01)
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 (2024-06-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2024-06-01)
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 (2024-06-01)
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 (U13 Girls) Standard 2025-08-29 2025-08-29 Tshwane (GTP) 5 1235.5 5 3 1283.4 0 Details
2 2025 D2 Schools League Finals (U13 Girls) Standard 2025-07-26 2025-07-26 West Rand (GWR) 5 1191 5 4 1436.9 0 Details
3 2024 D2 Schools Individuals (U11 Girls) Standard 2024-05-04 2024-05-04 West Rand (GWR) 5 1200 5 2 1127.3 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 15
Wins 9
Draws 0
Losses 6
White 8
Black 7
White wins 5
Black wins 4
Score 9
Percent 60
Dp 85
AOR 1197.5
Performance 1282.5
Rankings (Main)
National
Overall 8836
Gender 1684
Age group 1385
Gender/Age 370
Provincial
Overall 3001
Gender 585
Age group 476
Gender/Age 121
Regional
Overall 255
Gender 56
Age group 49
Gender/Age 14
Rankings (Standard)
National
Overall 7190
Gender 1414
Age group 1113
Gender/Age 306
Provincial
Overall 2605
Gender 524
Age group 418
Gender/Age 109
Regional
Overall 251
Gender 57
Age group 50
Gender/Age 15
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 7
Percent 70
Aor 1190.2
Dp 170
Prat 1360.2
Performance (History)
Games 15
Score 9
Percent 60
Aor 1197.5
Dp 85
Prat 1282.5
Top 5 opponents most often played
Player not found.
Type # Opponent Games White Black First tournament Last tournament Details