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: 2024/05/05 (72 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 rating1209.2
Current Weighted rating1190.6
Current Weighted performance1181.0
Current official/published rating (highest between Raw, WR and WP)1209.2
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)±163.7
Current Raw change used (final)0.0
Projected new Raw rating1209.2
Projected new Weighed rating1095.3
Projected new Weighted performance1181.0
Projected new final Raw rating (if new WP > new Raw)1209.2
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)1209.2
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 rating1144.4
Current Weighted rating1148.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1148.6
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)±179.5
Current Raw change used (final)0.0
Projected new Raw rating1144.4
Projected new Weighed rating1055.6
Projected new Weighted performance950.7
Projected new final Raw rating (if new WP > new Raw)1144.4
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)1144.4
Projected effective change (new Official - current Official)-4.2
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 rating1262.7
Current Weighted performance1242.1
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 rating1163.2
Projected new Weighted performance1242.1
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
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
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 16 9 0 7 9.0 56.3 53.1 1246.2 1299.3
White 8 3 0 5 3.0 37.5 -106.3 1301.4 1195.1
Black 8 6 0 2 6.0 75.0 212.5 1191.0 1403.5
Standard All 6 2 0 4 2.0 33.3 -141.7 1292.9 1151.3
White 3 0 0 3 0.0 0.0 -425.0 1386.8 961.8
Black 3 2 0 1 2.0 66.7 141.7 1199.1 1340.7
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 43 21 1 21 21.5 50.0 0.0 1219.4 1219.4
White 23 8 0 15 8.0 34.8 -129.3 1259.4 1130.1
Black 20 13 1 6 13.5 67.5 148.8 1173.3 1322.1
Standard All 19 6 0 13 6.0 31.6 -156.6 1248.4 1091.8
White 10 1 0 9 1.0 10.0 -340.0 1297.1 957.1
Black 9 5 0 4 5.0 55.6 47.2 1194.4 1241.6
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 2100153184 Frans, T (Tiffany) 2 2.0 2 0 0 100.0 1195.8 425.0 1620.8 View list
3 2110111789 Owies, C (Chamica) 2 1.5 1 1 0 75.0 1195.8 212.5 1408.3 View list
4 2110099723 Cardinal, J (Jacelynn) 2 1.0 1 0 1 50.0 1205.3 0.0 1205.3 View list
5 2120119684 Moses, J (Jay-Leigh) 2 0.0 0 0 2 0.0 1181.9 -425.0 756.9 View list
6 1120192533 Da Silva, J (Jeraldine) 1 1.0 1 0 0 100.0 1172.0 425.0 1597.0 View list
7 2120111379 Coetzee, C (Carli) 1 1.0 1 0 0 100.0 1139.1 425.0 1564.1 View list
8 2100153181 Christiaans, S (Shamone) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 2120139091 Fortuin, T (Tashnic) 1 1.0 1 0 0 100.0 1172.0 425.0 1597.0 View list
10 2110192674 Fortuin, C (Chante) 1 1.0 1 0 0 100.0 1186.0 425.0 1611.0 View list
11 2120192671 Brophy, K (Kettarin) 1 1.0 1 0 0 100.0 1186.0 425.0 1611.0 View list
12 2110300518 Hendricks, T (Tamia) 1 1.0 1 0 0 100.0 1186.0 425.0 1611.0 View list
13 2100158975 Koopman, N (Nuria) 1 1.0 1 0 0 100.0 1139.1 425.0 1564.1 View list
14 2120138444 Otto, J (Johanne) 1 1.0 1 0 0 100.0 1224.7 425.0 1649.7 View list
15 2100151350 Pieterse, J (Jay-Leigh) 1 1.0 1 0 0 100.0 1139.1 425.0 1564.1 View list
16 2120153114 Scheepers, J (Jemimah) 1 1.0 1 0 0 100.0 1172.0 425.0 1597.0 View list
17 2110153190 Slabbert, L (Lee-Shaan) 1 1.0 1 0 0 100.0 1191.6 425.0 1616.6 View list
18 2110300077 Vogel, B (Beatrix) 1 1.0 1 0 0 100.0 1224.7 425.0 1649.7 View list
19 1100150441 Wainright, J (John-William) 1 1.0 1 0 0 100.0 1178.5 425.0 1603.5 View list
20 2090110100 Willemse, M (Mia) 1 1.0 1 0 0 100.0 1191.6 425.0 1616.6 View list