Player Page

Diederiks, K (Katryn)
Dob: 2011/02/14 (U14)
Gender: Female
Chess SA id: 2110150081
FIDE id:
Region: Overberg (WOS)
Citizen: RSA
Title(s):
Last active: 2024/03/16 (97 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 rating1084.8
Current Weighted rating1085.9
Current Weighted performance931.7
Current official/published rating (highest between Raw, WR and WP)1085.9
Current highest rating achieved1172.4
Current floor (min rating allowed)672.4
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)±195.4
Current Raw change used (final)0.0
Projected new Raw rating1084.8
Projected new Weighed rating998.5
Projected new Weighted performance931.7
Projected new final Raw rating (if new WP > new Raw)1084.8
Projected new highest rating1172.4
Projected new floor672.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1084.8
Projected effective change (new Official - current Official)-1.1
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 rating1086.0
Current Weighted rating1084.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1086.0
Current highest rating achieved1166.0
Current floor (min rating allowed)666.0
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)±195.1
Current Raw change used (final)0.0
Projected new Raw rating1086.0
Projected new Weighed rating997.1
Projected new Weighted performance837.3
Projected new final Raw rating (if new WP > new Raw)1086.0
Projected new highest rating1166.0
Projected new floor666.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1086.0
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 rating1105.6
Current Weighted rating1109.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1109.9
Current highest rating achieved1138.4
Current floor (min rating allowed)638.4
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)±189.7
Current Raw change used (final)0.0
Projected new Raw rating1105.6
Projected new Weighed rating1020.5
Projected new Weighted performance825.5
Projected new final Raw rating (if new WP > new Raw)1105.6
Projected new highest rating1138.4
Projected new floor638.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1105.6
Projected effective change (new Official - current Official)-4.3
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
1 Overberg Schools - PS Closed 2024 (U13 Girls) 2024/03/16 2024/03/16 Overberg (WOS) Standard 60 0.83 5 5 2.0 1082.1 1080.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 Overberg Schools - PS Closed 2024 (U13 Girls) 2024/03/16 2024/03/16 Overberg (WOS) Standard 60 0.83 5 5 2.0 1082.1 1080.0 Analysis
8 Hermanus Rapid 2023 (C) 2023/04/22 2023/04/22 Overberg (WOS) Rapid 25 0.54 6 6 2.0 1089.0 1126.4 Analysis
7 Overberg School Chess Closed Tournament 2023 (U11 Girls) 2023/03/25 2023/03/25 Overberg (WOS) Standard 60 0.83 5 5 1.5 1103.9 1102.0 Analysis
6 Overberg Schools Bredasdorp Zone Trails 2023 (U11) 2023/02/16 2023/03/02 Overberg (WOS) Rapid 20 0.47 6 6 2.5 1103.9 1128.0 Analysis
5 Overberg Schools Open Tournament 2023 (U12) 2023/02/11 2023/02/11 Overberg (WOS) Rapid 20 0.47 5 5 2.0 1104.5 1138.4 Analysis
4 Western Cape Top Schools 2022 (U11 Mix) 2022/09/16 2022/09/17 Overberg (WOS) Standard 60 0.83 5 2 0.0 1127.1 1128.8 Analysis
3 Overberg Topskole 2022 (O11) 2022/08/30 2022/08/30 Overberg (WOS) Standard 60 0.83 6 4 1.0 1156.3 1166.0 Analysis
2 The Hermanus Open 2022 (U12) 2022/05/14 2022/05/14 Overberg (WOS) Rapid 10 0.29 6 5 1.0 1172.4 1200.0 Analysis
1 Overberg Primary Schools Closed 2022 (U11 Girls) 2022/03/12 2022/03/12 Overberg (WOS) Standard 60 0.83 5 5 1.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 2 0 3 2.0 40.0 -85.0 1188.3 1103.3
White 3 2 0 1 2.0 66.7 141.7 1183.3 1325.0
Black 2 0 0 2 0.0 0.0 -425.0 1195.8 770.8
Standard All 5 2 0 3 2.0 40.0 -85.0 1188.3 1103.3
White 3 2 0 1 2.0 66.7 141.7 1183.3 1325.0
Black 2 0 0 2 0.0 0.0 -425.0 1195.8 770.8
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 43 11 5 27 13.5 31.4 -158.1 1199.9 1041.8
White 24 3 2 19 4.0 16.7 -283.3 1203.2 919.9
Black 19 8 3 8 9.5 50.0 0.0 1195.8 1195.8
Standard All 21 5 2 14 6.0 28.6 -182.1 1206.5 1024.3
White 12 3 0 9 3.0 25.0 -212.5 1210.2 997.7
Black 9 2 2 5 3.0 33.3 -141.7 1201.5 1059.9
Rapid All 22 6 3 13 7.5 34.1 -135.2 1193.7 1058.5
White 12 0 2 10 1.0 8.3 -354.2 1196.3 842.1
Black 10 6 1 3 6.5 65.0 127.5 1190.6 1318.1
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 2120138441 Fortuin, E (Eron) 2 0.0 0 0 2 0.0 1141.0 -425.0 716.0 View list
2 1110145241 Nqoza, U (Usenathi) 2 0.0 0 0 2 0.0 1156.3 -425.0 731.3 View list
3 2120147467 Spinnler, E (Elizabeth Hendrina) 2 0.0 0 0 2 0.0 1103.9 -425.0 678.9 View list
4 2120138448 Van Der Westhuizen, M (Mika) 2 0.0 0 0 2 0.0 1104.2 -425.0 679.2 View list
5 1120138427 Nelson, L (Lihan) 1 1.0 1 0 0 100.0 1172.4 425.0 1597.4 View list
6 2130152311 Kotze, M (Marlie) 1 1.0 1 0 0 100.0 1103.9 425.0 1528.9 View list
7 1110151339 Dreyer, C (Christiano) 1 1.0 1 0 0 100.0 1103.9 425.0 1528.9 View list
8 2130151338 Adshade, L (Lea-Linize) 1 1.0 1 0 0 100.0 1103.9 425.0 1528.9 View list
9 2120193246 Oosthuizen, A (Alana) 1 1.0 1 0 0 100.0 1082.1 425.0 1507.1 View list
10 1150154665 Rock, A (Albert) 1 1.0 1 0 0 100.0 1089.0 425.0 1514.0 View list
11 1120150086 Theron, J (Joshua) 1 1.0 1 0 0 100.0 1104.5 425.0 1529.5 View list
12 1110150087 Truter, J (Jake) 1 1.0 1 0 0 100.0 1104.5 425.0 1529.5 View list
13 2120138447 Van Den Berg, P (Petro) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1120145244 Vermeulen, D (Durius) 1 1.0 1 0 0 100.0 1156.3 425.0 1581.3 View list
15 2120193253 Witbooi, C (Carla) 1 1.0 1 0 0 100.0 1082.1 425.0 1507.1 View list
16 2130152306 Beets, L (Lisa) 1 0.5 0 1 0 50.0 1103.9 0.0 1103.9 View list
17 2120138436 Blignaut, L (Liza) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
18 1140154654 Jam Jam, B (Buhle) 1 0.5 0 1 0 50.0 1089.0 0.0 1089.0 View list
19 1140139711 Hanekom, D (Derick) 1 0.5 0 1 0 50.0 1089.0 0.0 1089.0 View list
20 1130145279 Moses, J (Jivano) 1 0.5 0 1 0 50.0 1103.9 0.0 1103.9 View list