Surname or Chess SA id..
Chess SA Region AOC

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Koena Yokwana

1130319064
Buffalo City (EBC)
Personal
Main rating
Rating 1179.9
K-factor 40
Floor 699.9
Highest 1199.9 (2025-04-03)
Min/Max +/- allowed 166
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1077.4
Final +/- 0
New Rating
()
Rating 1179.9
K-factor 40
Floor 699.9
Highest 1199.9 (2025-04-03)
Min/Max +/- allowed 165.8
Standard rating
Rating 1175.8
K-factor 40
Floor 699.9
Highest 1199.9 (2025-04-03)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1077.4
Final +/- 0
New Rating
()
Rating 1175.8
K-factor 40
Floor 699.9
Highest 1199.9 (2025-04-03)
Min/Max +/- allowed 165.8
Rapid rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2025-05-05)
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 (2025-05-05)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2025-05-05)
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 (2025-05-05)
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 3 (U14) Standard 2026-03-21 2026-03-21 Buffalo City (EBC) 5 1195.9 5 2 1167.1 -7.1 Details
2 2026 Buffalo City Chess Trials 2 (U14 Boys) Standard 2026-02-28 2026-02-28 Buffalo City 5 1195.9 5 2 1158.1 -8.9 Details
3 2026 Buffalo City Chess Trials 1 (U14) Standard 2026-02-07 2026-02-07 Buffalo City (EBC) 5 1199.4 5 1 977.5 -21.1 Details
4 2025 Buffalo City Chess Trials 3 (U14) Standard 2025-05-10 2025-05-10 Buffalo City (EBC) 5 1194 5 2 1189.2 -1.3 Details
5 2025 Buffalo City Chess Trials 2 (U14) Standard 2025-04-12 2025-04-12 Buffalo City (EBC) 5 1200 4 0.5 881.7 -24.9 Details
6 2025 Buffalo City Chess Trials 1 (U14) Standard 2025-03-22 2025-03-22 Buffalo City (EBC) 5 1200 4 1 1039.8 -12.6 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 15
Wins 5
Draws 0
Losses 10
White 8
Black 7
White wins 3
Black wins 2
Score 5
Percent 33.3
Dp -141.7
AOR 1242.6
Performance 1100.9
Game statistics (History)
Games 28
Wins 8
Draws 1
Losses 19
White 15
Black 13
White wins 6
Black wins 2
Score 8.5
Percent 30.4
Dp -167
AOR 1243.6
Performance 1076.6
Rankings (Main)
National
Overall 15662
Gender 12041
Age group 2943
Gender/Age 2095
Provincial
Overall 1515
Gender 1179
Age group 234
Gender/Age 151
Regional
Overall 502
Gender 396
Age group 73
Gender/Age 52
Rankings (Standard)
National
Overall 12174
Gender 9247
Age group 2307
Gender/Age 1612
Provincial
Overall 1234
Gender 950
Age group 197
Gender/Age 126
Regional
Overall 446
Gender 349
Age group 67
Gender/Age 46
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 15
Score 5
Percent 33.3
Aor 1242.6
Dp -141.7
Prat 1100.9
Performance (12 months)
Games 20
Score 7
Percent 35
Aor 1250.5
Dp -127.5
Prat 1123
Performance (History)
Games 28
Score 8.5
Percent 30.4
Aor 1243.6
Dp -167
Prat 1076.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Cewuka, L (Lunje) 2 0 2 2025 Buffalo City Chess Trials 1 (U14) 2025 Buffalo City Chess Trials 3 (U14) Details
Overall 2 Marais, D (Damon) 2 1 1 2025 Buffalo City Chess Trials 2 (U14) 2025 Buffalo City Chess Trials 3 (U14) Details
Overall 3 Mutoti, R (Ryan) 2 0 2 2026 Buffalo City Chess Trials 1 (U14) 2026 Buffalo City Chess Trials 3 (U14) Details
Overall 4 James, K (Kyle) 2 2 0 2026 Buffalo City Chess Trials 2 (U14 Boys) 2026 Buffalo City Chess Trials 3 (U14) Details
Standard 1 Cewuka, L (Lunje) 2 0 2 2025 Buffalo City Chess Trials 1 (U14) 2025 Buffalo City Chess Trials 3 (U14) Details
Standard 2 Marais, D (Damon) 2 1 1 2025 Buffalo City Chess Trials 2 (U14) 2025 Buffalo City Chess Trials 3 (U14) Details
Standard 3 Mutoti, R (Ryan) 2 0 2 2026 Buffalo City Chess Trials 1 (U14) 2026 Buffalo City Chess Trials 3 (U14) Details
Standard 4 James, K (Kyle) 2 2 0 2026 Buffalo City Chess Trials 2 (U14 Boys) 2026 Buffalo City Chess Trials 3 (U14) Details