Player Page

Oleh, O (Onyekachi)
Dob: 2015/11/30 (U10)
Gender: Male
Chess SA id: 1150303498
FIDE id:
Region: Buffalo City (EBC)
Citizen: RSA
Title(s):
Last active: 2024/06/08 (15 days ago)
Ratings
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1178.1
Current Weighted rating1198.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1198.2
Current highest rating achieved1178.1
Current floor (min rating allowed)678.1
Current K-factor40
Games played this month5
Score (S)2.0
Expected score (We)2.47
Difference (S-We)-0.39
Current Raw change (no limits, including tournament time weight)-15.6
Current min/max change allowed (with limits)±171.1
Current Raw change used (final)-15.6
Projected new Raw rating1162.5
Projected new Weighed rating1102.3
Projected new Weighted performance654.5
Projected new final Raw rating (if new WP > new Raw)1162.5
Projected new highest rating1178.1
Projected new floor678.1
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1162.5
Projected effective change (new Official - current Official)-35.8
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1173.2
Current Weighted rating1197.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1197.9
Current highest rating achieved1173.2
Current floor (min rating allowed)673.2
Current K-factor40
Games played this month5
Score (S)2.0
Expected score (We)2.45
Difference (S-We)-0.45
Current Raw change (no limits, including tournament time weight)-18.0
Current min/max change allowed (with limits)±172.3
Current Raw change used (final)-18.0
Projected new Raw rating1155.2
Projected new Weighed rating1101.9
Projected new Weighted performance654.5
Projected new final Raw rating (if new WP > new Raw)1155.2
Projected new highest rating1173.2
Projected new floor673.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1155.2
Projected effective change (new Official - current Official)-42.7
s
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved0.0
Current floor (min rating allowed)700.0
Current K-factor40
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating0.0
Projected new floor700.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved0.0
Current floor (min rating allowed)700.0
Current K-factor40
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating0.0
Projected new floor700.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Tournament: 4th BC Trials 2024 (U10B)
Start: 2024/06/08  End: 2024/06/08  Host: EBC  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 2.0
Main rating: 1178.1  Rating gain/loss: -15.6
Type rating: 1173.2  Rating gain/loss: -18.0
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 4th BC Trials 2024 (U10B) 2024/06/08 2024/06/08 Buffalo City (EBC) Standard 60 0.83 5 5 2.0 1178.1 1173.2 Analysis
1 3rd BC Trials 2024 (U10B) 2024/05/11 2024/05/11 Buffalo City (EBC) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 4th BC Trials 2024 (U10B) 2024/06/08 2024/06/08 Buffalo City (EBC) Standard 60 0.83 5 5 2.0 1178.1 1173.2 Analysis
1 3rd BC Trials 2024 (U10B) 2024/05/11 2024/05/11 Buffalo City (EBC) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 4 0 6 4.0 40.0 -85.0 1185.7 1100.7
White 6 2 0 4 2.0 33.3 -141.7 1181.0 1039.3
Black 4 2 0 2 2.0 50.0 0.0 1192.8 1192.8
Standard All 10 4 0 6 4.0 40.0 -85.0 1185.7 1100.7
White 6 2 0 4 2.0 33.3 -141.7 1181.0 1039.3
Black 4 2 0 2 2.0 50.0 0.0 1192.8 1192.8
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 4 0 6 4.0 40.0 -85.0 1185.7 1100.7
White 6 2 0 4 2.0 33.3 -141.7 1181.0 1039.3
Black 4 2 0 2 2.0 50.0 0.0 1192.8 1192.8
Standard All 10 4 0 6 4.0 40.0 -85.0 1185.7 1100.7
White 6 2 0 4 2.0 33.3 -141.7 1181.0 1039.3
Black 4 2 0 2 2.0 50.0 0.0 1192.8 1192.8
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1150300917 Lin, Y (Yifan) 2 0.0 0 0 2 0.0 1189.0 -425.0 764.0 View list
2 1150303494 Bokolo, A (Awande) 1 1.0 1 0 0 100.0 1178.1 425.0 1603.1 View list
3 1160303493 Blayi, A (Awande) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1180306175 Kapp, M (Michael) 1 1.0 1 0 0 100.0 1178.1 425.0 1603.1 View list
5 1150300920 Mpunga, N (Naluvuyo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1180303499 Xu, J (Jiayi) 1 0.0 0 0 1 0.0 1178.1 -425.0 753.1 View list
7 1150191752 Kuo, C (Chih-Hsun) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 1150160305 Gambiza, A (Asante) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 1150300915 Bushula, A (Alunamda) 1 0.0 0 0 1 0.0 1178.1 -425.0 753.1 View list