Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Josiah Gertze

1140327755
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1220.7
K-factor 36
Floor 723
Highest 1223 (2025-09-30)
Min/Max +/- allowed 160
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1220.7
K-factor 36
Floor 723
Highest 1223 (2025-09-30)
Min/Max +/- allowed 160.5
Standard rating
Rating 1200
K-factor 40
Floor 700
Highest 1199 (2025-09-16)
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 (2025-09-16)
Min/Max +/- allowed 166.1
Rapid rating
Rating 1222.8
K-factor 36
Floor 726.8
Highest 1226.8 (2025-09-30)
Min/Max +/- allowed 159.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1222.8
K-factor 36
Floor 726.8
Highest 1226.8 (2025-09-30)
Min/Max +/- allowed 159.6
Blitz rating
Rating 1200
K-factor 40
Floor 700
Highest 1199 (2025-09-16)
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 (2025-09-16)
Min/Max +/- allowed 166.1
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 SACSSA Nationals 2025 (U11 Boys) Rapid 2025-10-18 2025-10-18 Ekurhuleni (GE) 6 1223.1 6 3 1208.6 0 Details
2 G7 Regional Chess Tournament 2025 (U11) Rapid 2025-09-13 2025-09-13 Johannesburg Metro (GJM) 5 1200 5 3 1357.4 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 11
Wins 6
Draws 0
Losses 5
White 5
Black 6
White wins 3
Black wins 3
Score 6
Percent 54.5
Dp 38.6
AOR 1237.6
Performance 1276.2
Rankings (Main)
National
Overall 10600
Gender 8475
Age group 1799
Gender/Age 1315
Provincial
Overall 3561
Gender 2821
Age group 617
Gender/Age 451
Regional
Overall 879
Gender 728
Age group 119
Gender/Age 89
Rankings (Standard)
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 (Rapid)
National
Overall 3670
Gender 2909
Age group 702
Gender/Age 511
Provincial
Overall 706
Gender 557
Age group 115
Gender/Age 83
Regional
Overall 254
Gender 220
Age group 35
Gender/Age 29
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 11
Score 6
Percent 54.5
Aor 1237.6
Dp 38.6
Prat 1276.2
Performance (History)
Games 11
Score 6
Percent 54.5
Aor 1237.6
Dp 38.6
Prat 1276.2
Top 5 opponents most often played
Player not found.
Type # Opponent Games White Black First tournament Last tournament Details