Player Page

Opperman, K (Kelly-Ann)
Dob: 2011/03/07 (U14)
Gender: Female
Chess SA id: 2110153189
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (63 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 rating1124.6
Current Weighted rating1182.9
Current Weighted performance1024.1
Current official/published rating (highest between Raw, WR and WP)1182.9
Current highest rating achieved1230.3
Current floor (min rating allowed)730.3
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)±184.6
Current Raw change used (final)0.0
Projected new Raw rating1124.6
Projected new Weighed rating1088.0
Projected new Weighted performance1024.1
Projected new final Raw rating (if new WP > new Raw)1124.6
Projected new highest rating1230.3
Projected new floor730.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1124.6
Projected effective change (new Official - current Official)-58.3
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 rating1063.2
Current Weighted rating1131.4
Current Weighted performance982.9
Current official/published rating (highest between Raw, WR and WP)1131.4
Current highest rating achieved1144.4
Current floor (min rating allowed)644.4
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)±201.5
Current Raw change used (final)0.0
Projected new Raw rating1063.2
Projected new Weighed rating1039.7
Projected new Weighted performance982.9
Projected new final Raw rating (if new WP > new Raw)1063.2
Projected new highest rating1144.4
Projected new floor644.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1063.2
Projected effective change (new Official - current Official)-68.2
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 rating1310.2
Current Weighted rating1281.8
Current Weighted performance1190.7
Current official/published rating (highest between Raw, WR and WP)1310.2
Current highest rating achieved1310.2
Current floor (min rating allowed)810.2
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)±141.7
Current Raw change used (final)0.0
Projected new Raw rating1310.2
Projected new Weighed rating1180.9
Projected new Weighted performance1190.7
Projected new final Raw rating (if new WP > new Raw)1310.2
Projected new highest rating1310.2
Projected new floor810.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1310.2
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
5 Western Cape Top Schools Championship 2024 (U13 Girls) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 5 0.0 1176.9 1116.0 Analysis
4 Pedro Booyse Top Schools Championships 2024 (U13 Girls) 2024/07/20 2024/07/20 West Coast (WCU) Standard 60 0.83 6 6 2.0 1209.2 1144.4 Analysis
3 Western Cape PS Individuals Championship 2024 (U13 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 2.0 1224.7 1142.4 Analysis
2 West Coast Schools Chess Prestige Championships 2024 (U13 Girls) 2024/03/09 2024/03/09 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1186.0 1262.3 Analysis
1 Bo-Weskus Skole Prestige 2024 (O13 Dogters) 2024/02/10 2024/02/10 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1172.0 1250.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
11 Western Cape Top Schools Championship 2024 (U13 Girls) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 5 0.0 1176.9 1116.0 Analysis
10 Pedro Booyse Top Schools Championships 2024 (U13 Girls) 2024/07/20 2024/07/20 West Coast (WCU) Standard 60 0.83 6 6 2.0 1209.2 1144.4 Analysis
9 Western Cape PS Individuals Championship 2024 (U13 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 2.0 1224.7 1142.4 Analysis
8 West Coast Schools Chess Prestige Championships 2024 (U13 Girls) 2024/03/09 2024/03/09 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1186.0 1262.3 Analysis
7 Bo-Weskus Skole Prestige 2024 (O13 Dogters) 2024/02/10 2024/02/10 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1172.0 1250.4 Analysis
6 Western Cape Top Schools 2023 (U13 Girls) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 5 3.0 1139.1 1087.6 Analysis
5 Pedro Booyse Top Schools 2023 (U13) 2023/07/29 2023/07/29 West Coast (WCU) Standard 60 0.83 5 5 1.0 1178.5 1138.8 Analysis
4 West Coast Open 2023 (Open) 2023/05/20 2023/06/03 West Coast (WCU) Standard 90 0.94 5 3 0.0 1230.3 1200.0 Analysis
3 West Coast Schools Development Championships 2023 (U11-U15 Girls) 2023/04/22 2023/04/22 West Coast (WCU) Rapid 30 0.60 5 4 3.0 1191.6 1185.2 Analysis
2 PRBCC Closed 2023 (B) 2023/04/15 2023/04/15 West Coast (WCU) Rapid 35 0.66 6 5 3.0 1191.6 1185.2 Analysis
1 Bo-Weskus Skole Prestige 2023 (O13 Dogters) 2023/03/04 2023/03/04 West Coast (WCU) Rapid 30 0.60 5 5 2.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 27 11 0 16 11.0 40.7 -78.7 1247.9 1169.2
White 14 4 0 10 4.0 28.6 -182.1 1277.2 1095.0
Black 13 7 0 6 7.0 53.8 32.7 1216.4 1249.1
Standard All 17 4 0 13 4.0 23.5 -225.0 1265.4 1040.4
White 9 1 0 8 1.0 11.1 -330.6 1292.2 961.6
Black 8 3 0 5 3.0 37.5 -106.3 1235.3 1129.0
Rapid All 10 7 0 3 7.0 70.0 170.0 1218.2 1388.2
White 5 3 0 2 3.0 60.0 85.0 1250.2 1335.2
Black 5 4 0 1 4.0 80.0 255.0 1186.2 1441.2
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 54 23 1 30 23.5 43.5 -55.1 1225.7 1170.6
White 29 9 0 20 9.0 31.0 -161.2 1256.4 1095.2
Black 25 14 1 10 14.5 58.0 68.0 1190.1 1258.1
Standard All 30 8 0 22 8.0 26.7 -198.3 1249.1 1050.8
White 16 2 0 14 2.0 12.5 -318.8 1277.5 958.7
Black 14 6 0 8 6.0 42.9 -60.7 1216.7 1156.0
Rapid All 24 15 1 8 15.5 64.6 124.0 1196.4 1320.4
White 13 7 0 6 7.0 53.8 32.7 1230.5 1263.2
Black 11 8 1 2 8.5 77.3 231.8 1156.1 1387.9
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 2110153179 Arries, G (Geroneeze) 3 2.0 2 0 1 66.7 1185.1 141.7 1326.7 View list
2 2120192540 Van Schalkwyk, J (Jayme-Lee) 3 0.0 0 0 3 0.0 1198.4 -425.0 773.4 View list
3 2100153184 Frans, T (Tiffany) 2 2.0 2 0 0 100.0 1195.8 425.0 1620.8 View list
4 2120159414 Mehlomakulu, O (Okuhle) 2 2.0 2 0 0 100.0 1209.2 425.0 1634.2 View list
5 2110111789 Owies, C (Chamica) 2 1.5 1 1 0 75.0 1195.8 212.5 1408.3 View list
6 2110099723 Cardinal, J (Jacelynn) 2 1.0 1 0 1 50.0 1205.3 0.0 1205.3 View list
7 2120119684 Moses, J (Jay-Leigh) 2 0.0 0 0 2 0.0 1181.9 -425.0 756.9 View list
8 2110103511 Philander, M (Megan) 2 0.0 0 0 2 0.0 1209.2 -425.0 784.2 View list
9 1120192533 Da Silva, J (Jeraldine) 1 1.0 1 0 0 100.0 1172.0 425.0 1597.0 View list
10 2120111379 Coetzee, C (Carli) 1 1.0 1 0 0 100.0 1139.1 425.0 1564.1 View list
11 2100153181 Christiaans, S (Shamone) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
12 2120139091 Fortuin, T (Tashnic) 1 1.0 1 0 0 100.0 1172.0 425.0 1597.0 View list
13 2110192674 Fortuin, C (Chante) 1 1.0 1 0 0 100.0 1186.0 425.0 1611.0 View list
14 2110300518 Hendricks, T (Tamia) 1 1.0 1 0 0 100.0 1186.0 425.0 1611.0 View list
15 2120192671 Brophy, K (Kettarin) 1 1.0 1 0 0 100.0 1186.0 425.0 1611.0 View list
16 2100158975 Koopman, N (Nuria) 1 1.0 1 0 0 100.0 1139.1 425.0 1564.1 View list
17 2120138444 Otto, J (Johanne) 1 1.0 1 0 0 100.0 1224.7 425.0 1649.7 View list
18 2100151350 Pieterse, J (Jay-Leigh) 1 1.0 1 0 0 100.0 1139.1 425.0 1564.1 View list
19 2120153114 Scheepers, J (Jemimah) 1 1.0 1 0 0 100.0 1172.0 425.0 1597.0 View list
20 2110153190 Slabbert, L (Lee-Shaan) 1 1.0 1 0 0 100.0 1191.6 425.0 1616.6 View list