Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Onyekachi Oleh

1150303498
Buffalo City (EBC)
Personal
Main rating
Rating 1107.4
K-factor 36
Floor 700
Highest 1200 (2024-05-01)
Min/Max +/- allowed 166
Rating Change
()
Games 5
Score 2
We 0.97
SWe 0.85
Temp +/- 30.7
Penalties 0
Weight perform 1028
Final +/- +30.7
New Rating
()
Rating 1138.2
K-factor 36
Floor 700
Highest 1200 (2024-05-01)
Min/Max +/- allowed 165.8
Standard rating
Rating 1112.3
K-factor 36
Floor 700
Highest 1200 (2024-05-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 5
Score 2
We 0.99
SWe 1.01
Temp +/- 36.5
Penalties 0
Weight perform 1049.8
Final +/- +36.5
New Rating
()
Rating 1148.7
K-factor 36
Floor 700
Highest 1200 (2024-05-01)
Min/Max +/- allowed 165.8
Rapid rating
Rating 1125.4
K-factor 36
Floor 700
Highest 1200 (2024-05-01)
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 1125.4
K-factor 36
Floor 700
Highest 1200 (2024-05-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2024-05-01)
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 (2024-05-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 3rd Annual WSC-ELIDZ Chess Extravaganza 2026 (U12) Standard 2026-03-14 2026-03-14 Buffalo City (EBC) 5 1107.4 5 2 1288.9 30.7 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 Buffalo City Chess Trials 3 (U12) Standard 2026-03-21 2026-03-21 Buffalo City (EBC) 5 1186.9 4 0 806.4 -53.6 Details
2 Vikings Rapid 2026 (B) Rapid 2026-02-21 2026-02-21 Buffalo City (EBC) 8 1186.9 6 1 985.1 -20 Details
3 2026 Buffalo City Chess Trials 2 (U12 Boys) Standard 2026-02-28 2026-02-28 Buffalo City 5 1186.9 5 2 1146.5 -6 Details
4 2026 Buffalo City Chess Trials 1 (U12) Standard 2026-02-07 2026-02-07 Buffalo City (EBC) 5 1188.7 5 2 1128.6 -5.1 Details
5 5th BC Trails 2024 (U10B) Standard 2024-08-17 2024-08-17 Buffalo City (EBC) 5 1162.5 5 3 1276.4 12.1 Details
6 4th BC Trials 2024 (U10B) Standard 2024-06-08 2024-06-08 Buffalo City (EBC) 5 1178.1 5 2 1104.8 -7.8 Details
7 3rd BC Trials 2024 (U10B) Standard 2024-05-11 2024-05-11 Buffalo City (EBC) 5 1200 5 2 1096.6 -11 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 25
Wins 7
Draws 0
Losses 18
White 11
Black 14
White wins 3
Black wins 4
Score 7
Percent 28
Dp -187
AOR 1265.2
Performance 1078.2
Game statistics (History)
Games 40
Wins 14
Draws 0
Losses 26
White 19
Black 21
White wins 6
Black wins 8
Score 14
Percent 35
Dp -127.5
AOR 1236.1
Performance 1108.6
Rankings (Main)
National
Overall 18518
Gender 13766
Age group 2686
Gender/Age 1890
Provincial
Overall 1728
Gender 1321
Age group 204
Gender/Age 144
Regional
Overall 585
Gender 457
Age group 77
Gender/Age 56
Rankings (Standard)
National
Overall 13916
Gender 10304
Age group 1972
Gender/Age 1384
Provincial
Overall 1361
Gender 1032
Age group 163
Gender/Age 113
Regional
Overall 503
Gender 389
Age group 65
Gender/Age 47
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 25
Score 7
Percent 28
Aor 1265.2
Dp -187
Prat 1078.2
Performance (12 months)
Games 25
Score 7
Percent 28
Aor 1265.2
Dp -187
Prat 1078.2
Performance (History)
Games 40
Score 14
Percent 35
Aor 1236.1
Dp -127.5
Prat 1108.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Lin, Y (Yifan) 2 1 1 3rd BC Trials 2024 (U10B) 4th BC Trials 2024 (U10B) Details
Overall 2 Lavezzari, C (Carlo) 2 2 0 2026 Buffalo City Chess Trials 1 (U12) 2026 Buffalo City Chess Trials 3 (U12) Details
Overall 3 Xu, J (Jiayi) 2 2 0 4th BC Trials 2024 (U10B) 5th BC Trails 2024 (U10B) Details
Overall 4 Magenu, P (Phumelela) 2 1 1 2026 Buffalo City Chess Trials 1 (U12) 2026 Buffalo City Chess Trials 3 (U12) Details
Standard 1 Lin, Y (Yifan) 2 1 1 3rd BC Trials 2024 (U10B) 4th BC Trials 2024 (U10B) Details
Standard 2 Lavezzari, C (Carlo) 2 2 0 2026 Buffalo City Chess Trials 1 (U12) 2026 Buffalo City Chess Trials 3 (U12) Details
Standard 3 Xu, J (Jiayi) 2 2 0 4th BC Trials 2024 (U10B) 5th BC Trails 2024 (U10B) Details
Standard 4 Magenu, P (Phumelela) 2 1 1 2026 Buffalo City Chess Trials 1 (U12) 2026 Buffalo City Chess Trials 3 (U12) Details