Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Jonah Roelfse

1160315195
Eden (WEG)
Personal
Main rating
Rating 1199.4
K-factor 40
Floor 699.9
Highest 1199.9 (2025-02-16)
Min/Max +/- allowed 166
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1199.4
K-factor 40
Floor 699.9
Highest 1199.9 (2025-02-16)
Min/Max +/- allowed 165.8
Standard rating
Rating 1199.2
K-factor 40
Floor 699.9
Highest 1199.9 (2025-02-16)
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 1199.2
K-factor 40
Floor 699.9
Highest 1199.9 (2025-02-16)
Min/Max +/- allowed 165.8
Rapid rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2025-03-01)
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 (2025-03-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2025-03-01)
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 (2025-03-01)
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 George Schools Chess Trials 3 2025 (U9 Boys) Standard 2025-03-01 2025-03-01 Eden (WEG) 5 1194.4 5 2 1120.3 0 Details
2 George Schools Chess Trials 2 2025 (U9 Boys) Standard 2025-02-15 2025-02-15 Eden (WEG) 5 1200 5 0.5 836.6 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 10
Wins 1
Draws 3
Losses 6
White 4
Black 6
White wins 0
Black wins 1
Score 2.5
Percent 25
Dp -212.5
AOR 1190.9
Performance 978.4
Rankings (Main)
National
Overall 13033
Gender 10221
Age group 1669
Gender/Age 1242
Provincial
Overall 3749
Gender 2855
Age group 543
Gender/Age 382
Regional
Overall 918
Gender 680
Age group 158
Gender/Age 106
Rankings (Standard)
National
Overall 10232
Gender 7950
Age group 1287
Gender/Age 962
Provincial
Overall 2908
Gender 2152
Age group 410
Gender/Age 279
Regional
Overall 828
Gender 600
Age group 143
Gender/Age 92
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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (History)
Games 10
Score 2.5
Percent 25
Aor 1190.9
Dp -212.5
Prat 978.4
Top 5 opponents most often played
Player not found.
Type # Opponent Games White Black First tournament Last tournament Details