Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Onyekachi Oleh

1150303498
Buffalo City (EBC)
Personal
Main rating
Rating 1100.1
K-factor 36
Floor 700
Highest 1200 (2024-05-01)
Min/Max +/- allowed 166
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1010.8
Final +/- 0
New Rating
()
Rating 1100.1
K-factor 36
Floor 700
Highest 1200 (2024-05-01)
Min/Max +/- allowed 165.8
Standard rating
Rating 1090.8
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 1007.7
Final +/- 0
New Rating
()
Rating 1090.8
K-factor 36
Floor 700
Highest 1200 (2024-05-01)
Min/Max +/- allowed 165.8
Rapid rating
Rating 1122.5
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 1122.5
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
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 2026 Buffalo City Chess Trials 4 (U12) Standard 2026-05-30 2026-05-30 Buffalo City (EBC) 5 1134.4 5 1 909 -40.9 Details
2 Vikings April Rapid 2026 (U12) Rapid 2026-04-18 2026-04-18 Buffalo City (EBC) 5 1134.4 5 2 1195.3 6.7 Details
3 Hudson Park Primary Festival 2026 (U12) Standard 2026-03-07 2026-03-07 Buffalo City (EBC) 5 1107.4 5 3 1303 7.7 Details
4 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
5 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
6 Vikings Rapid 2026 (B) Rapid 2026-02-21 2026-02-21 Buffalo City (EBC) 8 1186.9 6 1 985.1 -20 Details
7 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
8 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
9 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
10 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
11 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 40
Wins 13
Draws 0
Losses 27
White 20
Black 20
White wins 7
Black wins 6
Score 13
Percent 32.5
Dp -148.8
AOR 1248.5
Performance 1099.8
Game statistics (History)
Games 55
Wins 20
Draws 0
Losses 35
White 28
Black 27
White wins 10
Black wins 10
Score 20
Percent 36.4
Dp -115.9
AOR 1231.9
Performance 1116
Rankings (Main)
National
Overall 18793
Gender 13975
Age group 2874
Gender/Age 2036
Provincial
Overall 1733
Gender 1318
Age group 210
Gender/Age 148
Regional
Overall 582
Gender 447
Age group 77
Gender/Age 55
Rankings (Standard)
National
Overall 14073
Gender 10356
Age group 2093
Gender/Age 1458
Provincial
Overall 1420
Gender 1067
Age group 176
Gender/Age 120
Regional
Overall 512
Gender 390
Age group 67
Gender/Age 47
Rankings (Rapid)
National
Overall 6091
Gender 4548
Age group 1061
Gender/Age 749
Provincial
Overall 465
Gender 376
Age group 74
Gender/Age 55
Regional
Overall 167
Gender 126
Age group 39
Gender/Age 27
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 40
Score 13
Percent 32.5
Aor 1248.5
Dp -148.8
Prat 1099.8
Performance (12 months)
Games 40
Score 13
Percent 32.5
Aor 1248.5
Dp -148.8
Prat 1099.8
Performance (History)
Games 55
Score 20
Percent 36.4
Aor 1231.9
Dp -115.9
Prat 1116
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Mkhize, Z (Zamambo) 4 2 2 2026 Buffalo City Chess Trials 3 (U12) 2026 Buffalo City Chess Trials 4 (U12) Details
Overall 2 Ndlume, Z (Zusange) 3 2 1 2026 Buffalo City Chess Trials 2 (U12 Boys) Vikings April Rapid 2026 (U12) Details
Overall 3 Magenu, P (Phumelela) 2 1 1 2026 Buffalo City Chess Trials 1 (U12) 2026 Buffalo City Chess Trials 3 (U12) Details
Overall 4 Karthikeyan, P (Pratik) 2 0 2 2026 Buffalo City Chess Trials 2 (U12 Boys) 2026 Buffalo City Chess Trials 4 (U12) Details
Overall 5 Lin, Y (Yifan) 2 1 1 3rd BC Trials 2024 (U10B) 4th BC Trials 2024 (U10B) Details
Standard 1 Mkhize, Z (Zamambo) 3 1 2 2026 Buffalo City Chess Trials 3 (U12) 2026 Buffalo City Chess Trials 4 (U12) Details
Standard 2 Lupondwana, Q (Qhayiya) 2 2 0 2026 Buffalo City Chess Trials 2 (U12 Boys) Hudson Park Primary Festival 2026 (U12) Details
Standard 3 Lin, Y (Yifan) 2 1 1 3rd BC Trials 2024 (U10B) 4th BC Trials 2024 (U10B) Details
Standard 4 Xu, J (Jiayi) 2 2 0 4th BC Trials 2024 (U10B) 5th BC Trails 2024 (U10B) Details
Standard 5 Ndlume, Z (Zusange) 2 2 0 2026 Buffalo City Chess Trials 2 (U12 Boys) Hudson Park Primary Festival 2026 (U12) Details