Player Page

Chang, O (Oliver)
Dob: 2015/05/16 (U10)
Gender: Male
Chess SA id: 1150162131
FIDE id:
Region: Ethekwini (KED)
Citizen: RSA
Title(s):
Last active: 2024/04/21 (57 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 rating1223.8
Current Weighted rating1203.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1223.8
Current highest rating achieved1223.8
Current floor (min rating allowed)723.8
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)±160.3
Current Raw change used (final)0.0
Projected new Raw rating1223.8
Projected new Weighed rating1107.0
Projected new Weighted performance935.5
Projected new final Raw rating (if new WP > new Raw)1223.8
Projected new highest rating1223.8
Projected new floor723.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1223.8
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 rating1221.2
Current Weighted rating1203.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1221.2
Current highest rating achieved1221.2
Current floor (min rating allowed)721.2
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)±160.9
Current Raw change used (final)0.0
Projected new Raw rating1221.2
Projected new Weighed rating1107.2
Projected new Weighted performance734.7
Projected new final Raw rating (if new WP > new Raw)1221.2
Projected new highest rating1221.2
Projected new floor721.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1221.2
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 rating1195.0
Current Weighted rating1196.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1196.3
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)±167.0
Current Raw change used (final)0.0
Projected new Raw rating1195.0
Projected new Weighed rating1100.5
Projected new Weighted performance352.4
Projected new final Raw rating (if new WP > new Raw)1195.0
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)1195.0
Projected effective change (new Official - current Official)-1.3
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
2 2024 Ethekwini Open (B) 2024/04/20 2024/04/21 Ethekwini (KED) Standard 60 0.83 6 6 2.0 1199.0 1200.0 Analysis
1 2024 ECA 1st Youth Trials (U10) 2024/04/13 2024/04/14 Ethekwini (KED) Standard 60 0.83 6 6 4.0 1199.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 2024 Ethekwini Open (B) 2024/04/20 2024/04/21 Ethekwini (KED) Standard 60 0.83 6 6 2.0 1199.0 1200.0 Analysis
2 2024 ECA 1st Youth Trials (U10) 2024/04/13 2024/04/14 Ethekwini (KED) Standard 60 0.83 6 6 4.0 1199.0 1200.0 Analysis
1 Crawford La lucia Rapid Chess Tournament 2023 (Junior) 2023/07/22 2023/07/22 Ethekwini (KED) Rapid 25 0.54 6 6 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 12 6 0 6 6.0 50.0 0.0 1264.6 1264.6
White 7 3 0 4 3.0 42.9 -60.7 1268.1 1207.4
Black 5 3 0 2 3.0 60.0 85.0 1259.8 1344.8
Standard All 12 6 0 6 6.0 50.0 0.0 1264.6 1264.6
White 7 3 0 4 3.0 42.9 -60.7 1268.1 1207.4
Black 5 3 0 2 3.0 60.0 85.0 1259.8 1344.8
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 18 9 0 9 9.0 50.0 0.0 1240.6 1240.6
White 10 5 0 5 5.0 50.0 0.0 1252.9 1252.9
Black 8 4 0 4 4.0 50.0 0.0 1225.2 1225.2
Standard All 12 6 0 6 6.0 50.0 0.0 1264.6 1264.6
White 7 3 0 4 3.0 42.9 -60.7 1268.1 1207.4
Black 5 3 0 2 3.0 60.0 85.0 1259.8 1344.8
Rapid All 6 3 0 3 3.0 50.0 0.0 1192.5 1192.5
White 3 2 0 1 2.0 66.7 141.7 1217.6 1359.2
Black 3 1 0 2 1.0 33.3 -141.7 1167.5 1025.8
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 1150147876 Soobramoney, H (Hezron) 2 0.0 0 0 2 0.0 1199.0 -425.0 774.0 View list
2 1150154325 Chetty, R (Reece) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 2150302481 Govender, S (Suravi) 1 1.0 1 0 0 100.0 1199.0 425.0 1624.0 View list
4 2140156653 Gordon, Z (Zoe-Lee) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1130302488 Mehlomakhulu, M (Mnqobi) 1 1.0 1 0 0 100.0 1199.0 425.0 1624.0 View list
6 1160149315 Mathew, N (Nathan) 1 1.0 1 0 0 100.0 1199.0 425.0 1624.0 View list
7 1150301920 Maharaj, V (Vihar) 1 1.0 1 0 0 100.0 1199.0 425.0 1624.0 View list
8 1150301924 Sibiya, T (Thingolwenkosazane) 1 1.0 1 0 0 100.0 1199.0 425.0 1624.0 View list
9 2160149281 Rooplal-Govender, A (Aditi) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 2160152945 Ramsurup, M (Mia) 1 1.0 1 0 0 100.0 1199.0 425.0 1624.0 View list
11 1150134491 Soojay, J (Josiah) 1 0.0 0 0 1 0.0 1199.0 -425.0 774.0 View list
12 1150162408 Ngcobo, I (Iyana) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
13 2140147850 Morris, A (Alessandra-Jane) 1 0.0 0 0 1 0.0 1199.0 -425.0 774.0 View list
14 2140138017 Magudulela, B (Busisiwe) 1 0.0 0 0 1 0.0 1199.0 -425.0 774.0 View list
15 1120107291 Jugree, A (Abhay) 1 0.0 0 0 1 0.0 1199.0 -425.0 774.0 View list
16 1140147834 Dady-Grant, C (Chase) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 1140135925 Allen, J (Joshua) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list