Player Page

Yao, C (Christ David)
Dob: 2009/11/19 (U16)
Gender: Male
Chess SA id: 1090098143
FIDE id:
Region: Mangaung (FMB)
Citizen: RSA
Title(s):
Last active: 2024/04/13 (73 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 rating1380.2
Current Weighted rating1281.1
Current Weighted performance1364.5
Current official/published rating (highest between Raw, WR and WP)1380.2
Current highest rating achieved1401.4
Current floor (min rating allowed)901.4
Current K-factor32
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)±128.3
Current Raw change used (final)0.0
Projected new Raw rating1380.2
Projected new Weighed rating1181.2
Projected new Weighted performance1364.5
Projected new final Raw rating (if new WP > new Raw)1380.2
Projected new highest rating1401.4
Projected new floor901.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1380.2
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 rating1274.8
Current Weighted rating1221.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1274.8
Current highest rating achieved1296.8
Current floor (min rating allowed)796.8
Current K-factor36
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)±149.1
Current Raw change used (final)0.0
Projected new Raw rating1274.8
Projected new Weighed rating1124.9
Projected new Weighted performance949.5
Projected new final Raw rating (if new WP > new Raw)1274.8
Projected new highest rating1296.8
Projected new floor796.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1274.8
Projected effective change (new Official - current Official)=0.0
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 rating1490.2
Current Weighted rating1344.1
Current Weighted performance1426.3
Current official/published rating (highest between Raw, WR and WP)1490.2
Current highest rating achieved1490.2
Current floor (min rating allowed)990.2
Current K-factor32
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)±109.7
Current Raw change used (final)0.0
Projected new Raw rating1490.2
Projected new Weighed rating1240.8
Projected new Weighted performance1426.3
Projected new final Raw rating (if new WP > new Raw)1490.2
Projected new highest rating1490.2
Projected new floor990.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1490.2
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 achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
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 rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Mangaung Metro Chess 12-13 April 2024 (B) 2024/04/12 2024/04/13 Mangaung (FMB) Standard 62 0.84 5 4 2.0 1401.4 1296.8 Analysis
3 Mangaung Metro Chess 9 March 2024 (B) 2024/03/09 2024/03/09 Mangaung (FMB) Rapid 32 0.63 5 5 5.0 1337.5 1365.8 Analysis
2 Bloemfontein Highschool League 2024 (U15A) 2024/03/08 2024/03/08 Mangaung (FMB) Rapid 15 0.39 5 4 4.0 1337.5 1365.8 Analysis
1 Grey College Team Championship 2024 (B) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 5.0 1274.5 1194.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 Mangaung Metro Chess 12-13 April 2024 (B) 2024/04/12 2024/04/13 Mangaung (FMB) Standard 62 0.84 5 4 2.0 1401.4 1296.8 Analysis
8 Mangaung Metro Chess 9 March 2024 (B) 2024/03/09 2024/03/09 Mangaung (FMB) Rapid 32 0.63 5 5 5.0 1337.5 1365.8 Analysis
7 Bloemfontein Highschool League 2024 (U15A) 2024/03/08 2024/03/08 Mangaung (FMB) Rapid 15 0.39 5 4 4.0 1337.5 1365.8 Analysis
6 Grey College Team Championship 2024 (B) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 5.0 1274.5 1194.4 Analysis
5 Bloemfontein League 25 August 2023 (U13+U15) 2023/08/25 2023/08/25 Mangaung (FMB) Rapid 15 0.39 5 5 4.0 1196.6 1200.0 Analysis
4 St Andrews 19 August 2023 (C) 2023/08/19 2023/08/19 Mangaung (FMB) Rapid 32 0.63 5 5 3.0 1196.6 1200.0 Analysis
3 August Primary School Chess Festival 2023 (Grade 6+7 A) 2023/08/04 2023/08/04 Mangaung (FMB) Rapid 15 0.39 5 5 5.0 1196.6 1200.0 Analysis
2 Mangaung Metro Chess October 2019 (E) 2019/10/11 2019/10/12 Mangaung (FMB) Standard 62 0.84 5 5 3.5 1183.2 1180.0 Analysis
1 Mangaung Metro Chess 9 - 10 March 2018 (F) 2018/03/09 2018/03/10 Mangaung (FMB) Standard 62 0.84 5 4 1.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 18 16 0 2 16.0 88.9 330.6 1179.6 1510.1
White 9 8 0 1 8.0 88.9 330.6 1149.6 1480.2
Black 9 8 0 1 8.0 88.9 330.6 1209.6 1540.1
Standard All 9 7 0 2 7.0 77.8 236.1 1213.2 1449.4
White 4 3 0 1 3.0 75.0 212.5 1212.8 1425.3
Black 5 4 0 1 4.0 80.0 255.0 1213.6 1468.6
Rapid All 9 9 0 0 9.0 100.0 425.0 1145.9 1570.9
White 5 5 0 0 5.0 100.0 425.0 1099.1 1524.1
Black 4 4 0 0 4.0 100.0 425.0 1204.5 1629.5
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 42 32 2 8 33.0 78.6 242.9 1181.0 1423.8
White 21 16 1 4 16.5 78.6 242.9 1176.5 1419.4
Black 21 16 1 4 16.5 78.6 242.9 1185.4 1428.3
Standard All 18 11 2 5 12.0 66.7 141.7 1175.1 1316.8
White 9 5 1 3 5.5 61.1 94.4 1181.0 1275.5
Black 9 6 1 2 6.5 72.2 188.9 1169.2 1358.1
Rapid All 24 21 0 3 21.0 87.5 318.8 1185.4 1504.1
White 12 11 0 1 11.0 91.7 354.2 1173.1 1527.3
Black 12 10 0 2 10.0 83.3 283.3 1197.6 1480.9
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 1100154850 Aucamp, T (Tristan) 2 2.0 2 0 0 100.0 1267.0 425.0 1692.0 View list
2 1090153492 Gibbens, G (Gregory) 1 1.0 1 0 0 100.0 1337.5 425.0 1762.5 View list
3 1090100917 Chabeli, T (Tshepo) 1 1.0 1 0 0 100.0 1337.5 425.0 1762.5 View list
4 1100098145 Breytenbach, R (Reynardt) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1070136968 Bouwer, D (Divan) 1 1.0 1 0 0 100.0 1274.5 425.0 1699.5 View list
6 2060191978 Boshoff, C (Chene) 1 1.0 1 0 0 100.0 1274.5 425.0 1699.5 View list
7 2100160138 Boshoff, C (Caitlyn) 1 1.0 1 0 0 100.0 1196.6 425.0 1621.6 View list
8 110086186 Boje, E (Ewald) 1 1.0 1 0 0 100.0 1337.5 425.0 1762.5 View list
9 1100191949 Berlyn, T (Tristan) 1 1.0 1 0 0 100.0 1337.5 425.0 1762.5 View list
10 1100191975 Berlin, T (Tristan) 1 1.0 1 0 0 100.0 1274.5 425.0 1699.5 View list
11 210086184 Beelders, K (Kyra) 1 1.0 1 0 0 100.0 1196.6 425.0 1621.6 View list
12 1110145470 Lebajoa, L (Lesli) 1 1.0 1 0 0 100.0 1337.5 425.0 1762.5 View list
13 106052021 Labuscagne, JC (Josef Cornelius) 1 1.0 1 0 0 100.0 1274.5 425.0 1699.5 View list
14 1090111834 Khoete, B (Bokang) 1 1.0 1 0 0 100.0 1196.6 425.0 1621.6 View list
15 1140148592 Herselman, J (Jayden Daniel Ferdinand) 1 1.0 1 0 0 100.0 1196.6 425.0 1621.6 View list
16 1100160142 Du Toit, G (Giovanni) 1 1.0 1 0 0 100.0 1196.6 425.0 1621.6 View list
17 1090100920 Lemphane, O (Oratile) 1 1.0 1 0 0 100.0 1196.6 425.0 1621.6 View list
18 1110111849 Maritz, J (Jandre) 1 1.0 1 0 0 100.0 1196.6 425.0 1621.6 View list
19 1100144697 Marogoa, G (Gaopalelwe) 1 1.0 1 0 0 100.0 1196.6 425.0 1621.6 View list
20 1130147072 Matlakala, K (Kemelo) 1 1.0 1 0 0 100.0 1196.6 425.0 1621.6 View list