Player Page

Kotze, M (Mirah)
Dob: 2016/01/04 (U10)
Gender: Female
Chess SA id: 2160157861
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (81 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 rating1218.4
Current Weighted rating1162.6
Current Weighted performance1179.5
Current official/published rating (highest between Raw, WR and WP)1218.4
Current highest rating achieved1218.4
Current floor (min rating allowed)718.4
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)±161.5
Current Raw change used (final)0.0
Projected new Raw rating1218.4
Projected new Weighed rating1069.6
Projected new Weighted performance1179.5
Projected new final Raw rating (if new WP > new Raw)1218.4
Projected new highest rating1218.4
Projected new floor718.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1218.4
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 rating1197.6
Current Weighted rating1192.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1197.6
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)±166.4
Current Raw change used (final)0.0
Projected new Raw rating1197.6
Projected new Weighed rating1096.5
Projected new Weighted performance897.8
Projected new final Raw rating (if new WP > new Raw)1197.6
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)1197.6
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 rating1232.3
Current Weighted rating1139.5
Current Weighted performance1178.2
Current official/published rating (highest between Raw, WR and WP)1232.3
Current highest rating achieved1232.3
Current floor (min rating allowed)732.3
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)±158.4
Current Raw change used (final)0.0
Projected new Raw rating1232.3
Projected new Weighed rating1048.3
Projected new Weighted performance1178.2
Projected new final Raw rating (if new WP > new Raw)1232.3
Projected new highest rating1232.3
Projected new floor732.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1232.3
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
6 Western Cape Top Schools Championship 2024 (U9 Girls) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 4 2.0 1217.5 1199.0 Analysis
5 Pedro Booyse Top Schools Championships 2024 (U7+U9) 2024/07/20 2024/07/20 West Coast (WCU) Rapid 30 0.60 7 7 6.0 1161.3 1132.6 Analysis
4 Pedro Booyse Annual Rapid 2024 (Development) 2024/07/06 2024/07/06 West Coast (WCU) Rapid 30 0.60 5 5 2.0 1174.7 1143.8 Analysis
3 Western Cape PS Individuals Championship 2024 (U9 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.0 1154.7 1182.4 Analysis
2 West Coast Schools Chess Prestige Championships 2024 (U9 Girls) 2024/03/09 2024/03/09 West Coast (WCU) Rapid 30 0.60 5 5 2.5 1146.7 1128.3 Analysis
1 Bo-Weskus Skole Prestige 2024 (O9 Dogters) 2024/02/10 2024/02/10 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1110.6 1052.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
10 Western Cape Top Schools Championship 2024 (U9 Girls) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 4 2.0 1217.5 1199.0 Analysis
9 Pedro Booyse Top Schools Championships 2024 (U7+U9) 2024/07/20 2024/07/20 West Coast (WCU) Rapid 30 0.60 7 7 6.0 1161.3 1132.6 Analysis
8 Pedro Booyse Annual Rapid 2024 (Development) 2024/07/06 2024/07/06 West Coast (WCU) Rapid 30 0.60 5 5 2.0 1174.7 1143.8 Analysis
7 Western Cape PS Individuals Championship 2024 (U9 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.0 1154.7 1182.4 Analysis
6 West Coast Schools Chess Prestige Championships 2024 (U9 Girls) 2024/03/09 2024/03/09 West Coast (WCU) Rapid 30 0.60 5 5 2.5 1146.7 1128.3 Analysis
5 Bo-Weskus Skole Prestige 2024 (O9 Dogters) 2024/02/10 2024/02/10 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1110.6 1052.7 Analysis
4 Western Cape Top Schools 2023 (U7 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1114.5 1200.0 Analysis
3 Pedro Booyse Top Schools Round 2 2023 (U7+U9) 2023/08/22 2023/08/22 West Coast (WCU) Rapid 20 0.47 5 4 0.5 1135.7 1089.8 Analysis
2 Pedro Booyse Top Schools 2023 (U7+U9) 2023/07/29 2023/07/29 West Coast (WCU) Rapid 25 0.54 5 4 0.5 1163.9 1140.6 Analysis
1 Upper West Coast Top Schools Championship 2023 (U7-U11) 2023/06/10 2023/06/10 West Coast (WCU) Rapid 30 0.60 5 4 0.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 32 18 2 12 19.0 59.4 79.7 1205.3 1285.0
White 16 12 0 4 12.0 75.0 212.5 1205.6 1418.1
Black 16 6 2 8 7.0 43.8 -53.1 1205.0 1151.8
Standard All 10 5 0 5 5.0 50.0 0.0 1248.1 1248.1
White 6 4 0 2 4.0 66.7 141.7 1256.0 1397.7
Black 4 1 0 3 1.0 25.0 -212.5 1236.2 1023.7
Rapid All 22 13 2 7 14.0 63.6 115.9 1185.8 1301.7
White 10 8 0 2 8.0 80.0 255.0 1175.3 1430.3
Black 12 5 2 5 6.0 50.0 0.0 1194.5 1194.5
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 49 19 7 23 22.5 45.9 -34.7 1194.6 1159.9
White 24 13 1 10 13.5 56.3 53.1 1194.8 1248.0
Black 25 6 6 13 9.0 36.0 -119.0 1194.4 1075.4
Standard All 15 6 2 7 7.0 46.7 -28.3 1222.2 1193.9
White 8 5 0 3 5.0 62.5 106.3 1233.7 1339.9
Black 7 1 2 4 2.0 28.6 -182.1 1209.1 1027.0
Rapid All 34 13 5 16 15.5 45.6 -37.5 1182.4 1144.9
White 16 8 1 7 8.5 53.1 26.6 1175.4 1202.0
Black 18 5 4 9 7.0 38.9 -94.4 1188.7 1094.3
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 2160157823 De Kock, C (Charlotte) 3 0.5 0 1 2 16.7 1138.0 -283.3 854.7 View list
2 2160153134 Avontuur, E (Ezrah) 2 1.0 1 0 1 50.0 1164.7 0.0 1164.7 View list
3 2160153137 Kapank, K (Kristen) 2 0.5 0 1 1 25.0 1141.2 -212.5 928.7 View list
4 2150139114 Willemse, A (Avah) 2 0.0 0 0 2 0.0 1189.4 -425.0 764.4 View list
5 2140139135 Witbooi, A (Ava) 2 0.0 0 0 2 0.0 1149.8 -425.0 724.8 View list
6 2170308737 Jantjies, A (Amia) 1 1.0 1 0 0 100.0 1161.3 425.0 1586.3 View list
7 2150192976 Fourie, J (Josey) 1 1.0 1 0 0 100.0 1154.7 425.0 1579.7 View list
8 2160153135 Fortuin, M (Mia) 1 1.0 1 0 0 100.0 1174.7 425.0 1599.7 View list
9 1150153167 Fisher, S (Seanen) 1 1.0 1 0 0 100.0 1161.3 425.0 1586.3 View list
10 1160161827 Heasman, J (Jd) 1 1.0 1 0 0 100.0 1114.5 425.0 1539.5 View list
11 2150143104 Booysen, C (Chevron) 1 1.0 1 0 0 100.0 1161.3 425.0 1586.3 View list
12 2150139111 Blaauw, C (Charne) 1 1.0 1 0 0 100.0 1110.6 425.0 1535.6 View list
13 2150192641 Kersouw, A (Althea) 1 1.0 1 0 0 100.0 1146.7 425.0 1571.7 View list
14 2150157860 Klaase, N (Nizeche) 1 1.0 1 0 0 100.0 1110.6 425.0 1535.6 View list
15 2160153139 Magerman, J (Jeneva) 1 1.0 1 0 0 100.0 1110.6 425.0 1535.6 View list
16 1170305220 Martin, M (Mikaeel) 1 1.0 1 0 0 100.0 1161.3 425.0 1586.3 View list
17 2150193348 Mashua, A (Amani) 1 1.0 1 0 0 100.0 1217.5 425.0 1642.5 View list
18 2150304269 Pienaar, K (Kaylicia) 1 1.0 1 0 0 100.0 1161.3 425.0 1586.3 View list
19 2150300113 Pieper, N (Nina) 1 1.0 1 0 0 100.0 1154.7 425.0 1579.7 View list
20 2160307527 Qumba, I (Imani) 1 1.0 1 0 0 100.0 1217.5 425.0 1642.5 View list