Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Alonzo Koen

1120149898
Eden (WEG)
Personal
Main rating
Rating 1169.3
K-factor 36
Floor 749.6
Highest 1456.5 (2023-02-01)
Min/Max +/- allowed 115
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1169.3
K-factor 36
Floor 749.6
Highest 1456.5 (2023-02-01)
Min/Max +/- allowed 115.1
Standard rating
Rating 1159.5
K-factor 36
Floor 758.4
Highest 1456.5 (2023-02-01)
Min/Max +/- allowed 115.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1159.5
K-factor 36
Floor 758.4
Highest 1456.5 (2023-02-01)
Min/Max +/- allowed 115.1
Rapid rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
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 (2018-10-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
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 (2018-10-01)
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 Eden Top Schools 2025 (U13) Standard 2025-08-16 2025-08-16 Eden (WEG) 5 1182.1 2 0 922.2 0 Details
2 Eden Chess Trials 2 2025 (U14) Standard 2025-03-15 2025-04-12 Eden (WEG) 10 1182.1 0 0 0 0 Details
3 Eden Top Schools 2024 (U15 Open) Standard 2024-08-17 2024-08-17 Eden (WEG) 5 1189.2 4 0 853.1 0 Details
4 Eden School Chess Trials 1 2024 (U13 Boys) Standard 2024-03-09 2024-03-09 Eden (WEG) 5 1224.2 5 1 1018.6 0 Details
5 Eden Top Schools 2023 (U11 Mix) Standard 2023-08-19 2023-08-19 Eden (WEG) 5 1249.6 4 1 1069.6 0 Details
6 Eden Trials 2+3 2023 (U12) Standard 2023-04-15 2023-05-13 Eden (WEG) 10 1249.6 0 0 0 0 Details
7 2023 Knysna School Trials #1 (U7-U11) Standard 2023-02-04 2023-02-04 Eden (WEG) 5 1200 5 4 1455 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 20
Wins 6
Draws 0
Losses 14
White 9
Black 11
White wins 3
Black wins 3
Score 6
Percent 30
Dp -170
AOR 1265.2
Performance 1095.2
Rankings (Main)
National
Overall 16349
Gender 12476
Age group 3169
Gender/Age 2349
Provincial
Overall 4777
Gender 3549
Age group 916
Gender/Age 668
Regional
Overall 1162
Gender 836
Age group 215
Gender/Age 164
Rankings (Standard)
National
Overall 12565
Gender 9499
Age group 2363
Gender/Age 1734
Provincial
Overall 3584
Gender 2590
Age group 642
Gender/Age 451
Regional
Overall 1049
Gender 736
Age group 194
Gender/Age 149
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 2
Score 0
Percent 0
Aor 1347.2
Dp -425
Prat 922.2
Performance (History)
Games 20
Score 6
Percent 30
Aor 1265.2
Dp -170
Prat 1095.2
Top 5 opponents most often played
Player not found.
Type # Opponent Games White Black First tournament Last tournament Details