Player Page

Van Der Westhuizen, M (Mika)
Dob: 2012/09/08 (U14)
Gender: Female
Chess SA id: 2120138448
FIDE id:
Region: Overberg (WOS)
Citizen: RSA
Title(s):
Last active: 2024/05/05 (16 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
Curent Raw rating1374.9
Curent Weighted rating1371.1
Curent Weighted performance1223.0
Current official/published rating (highest between Raw, WR and WP)1374.9
Current floor (min rating allowed)937.0
Current highest rating achieved1437.0
Current K-factor32
Games played this month6
Score (S)3.0
Expected score (We)3.45
Difference (S-We)-0.45
Current Raw change (no limits, including tournament time weight)-12.0
Current min/max change allowed (with limits)±129.2
Current Raw change used (final)-12.0
Projected new Raw rating1362.9
Projected new Weighed rating1374.6
Projected new Weighted performance1223.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1374.6
Projected effective change (new Official - current Official)-0.3
Projected new highest rating1437.0
Projected new floor937.0
Projected new K-facor32
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
Curent Raw rating1457.4
Curent Weighted rating1380.9
Curent Weighted performance1390.5
Current official/published rating (highest between Raw, WR and WP)1457.4
Current floor (min rating allowed)966.4
Current highest rating achieved1466.4
Current K-factor32
Games played this month6
Score (S)3.0
Expected score (We)4.12
Difference (S-We)-1.12
Current Raw change (no limits, including tournament time weight)-35.8
Current min/max change allowed (with limits)±114.9
Current Raw change used (final)-35.8
Projected new Raw rating1421.6
Projected new Weighed rating1389.6
Projected new Weighted performance1390.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1421.6
Projected effective change (new Official - current Official)-35.8
Projected new highest rating1466.4
Projected new floor966.4
Projected new K-facor32
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
Curent Raw rating1256.7
Curent Weighted rating1321.8
Curent Weighted performance1203.1
Current official/published rating (highest between Raw, WR and WP)1321.8
Current floor (min rating allowed)860.7
Current highest rating achieved1360.7
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)±152.9
Current Raw change used (final)0.0
Projected new Raw rating1256.7
Projected new Weighed rating1317.8
Projected new Weighted performance1203.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1317.8
Projected effective change (new Official - current Official)-4.0
Projected new highest rating1360.7
Projected new floor860.7
Projected new K-facor36
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
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)860.7
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor860.7
Projected new K-facor36
Tournaments
Tournament: Western Cape PS Individuals Championship 2024 (U13 Girls)
Start: 2024/05/04  End: 2024/05/05  Host: WCU  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 6
Games: 6  Score: 3.0
Main rating: 1374.9  Rating gain/loss: -12.0
Type rating: 1457.4  Rating gain/loss: -35.8
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Western Cape PS Individuals Championship 2024 (U13 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.0 1374.9 1457.4 Analysis
3 Hermanus Chess Club Open 2024 (Intermediate) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 2.0 1421.1 1348.1 Analysis
2 Overberg Schools - PS Closed 2024 (U13 Girls) 2024/03/16 2024/03/16 Overberg (WOS) Standard 60 0.83 5 5 4.0 1437.0 1466.4 Analysis
1 Overberg Schools - PS Trials Region 3 2024 (U13 Girls) 2024/03/02 2024/03/02 Overberg (WOS) Rapid 30 0.60 5 5 3.0 1437.0 1360.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
18 Western Cape PS Individuals Championship 2024 (U13 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.0 1374.9 1457.4 Analysis
17 Hermanus Chess Club Open 2024 (Intermediate) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 2.0 1421.1 1348.1 Analysis
16 Overberg Schools - PS Closed 2024 (U13 Girls) 2024/03/16 2024/03/16 Overberg (WOS) Standard 60 0.83 5 5 4.0 1437.0 1466.4 Analysis
15 Overberg Schools - PS Trials Region 3 2024 (U13 Girls) 2024/03/02 2024/03/02 Overberg (WOS) Rapid 30 0.60 5 5 3.0 1437.0 1360.7 Analysis
14 2023 Western Cape Rural Cup (U12) 2023/12/09 2023/12/10 Cape Winelands (WCW) Standard 60 0.83 5 4 3.0 1410.4 1418.4 Analysis
13 Bonnievale Open Rapid 2023 (U12) 2023/10/21 2023/10/21 Cape Winelands (WCW) Rapid 25 0.54 6 6 3.5 1411.6 1342.0 Analysis
12 Western Cape Top Schools 2023 (U11 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 6 3.5 1419.3 1420.1 Analysis
11 Overberg Top Schools 2023 (U11) 2023/08/05 2023/08/05 Overberg (WOS) Standard 60 0.83 5 5 4.5 1400.2 1375.6 Analysis
10 Overberg Club Championships 2023 (A+B) 2023/07/29 2023/07/29 Overberg (WOS) Rapid 30 0.60 5 5 4.0 1384.2 1302.5 Analysis
9 Zwelihle Chess Club Rapid 2023 (C) 2023/06/17 2023/06/17 Overberg (WOS) Rapid 20 0.47 6 6 5.0 1364.7 1236.6 Analysis
8 Western Cape PS Individuals 2023 (U11 Girls) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 6.0 1252.1 1238.8 Analysis
7 Hermanus Rapid 2023 (C) 2023/04/22 2023/04/22 Overberg (WOS) Rapid 25 0.54 6 6 2.0 1280.5 1295.6 Analysis
6 Overberg School Chess Closed Tournament 2023 (U11 Girls) 2023/03/25 2023/03/25 Overberg (WOS) Standard 60 0.83 5 5 4.0 1206.6 1160.8 Analysis
5 Overberg Primary School Trials (Region 2) 2023 (U11 Girls) 2023/02/24 2023/03/10 Overberg (WOS) Rapid 20 0.47 6 5 3.5 1206.6 1275.4 Analysis
4 Overberg Schools Open Tournament 2023 (U12) 2023/02/11 2023/02/11 Overberg (WOS) Rapid 20 0.47 5 5 3.0 1199.3 1276.8 Analysis
3 OCF Youth Day Tournament 2022 (C) 2022/06/18 2022/06/18 Overberg (WOS) Rapid 15 0.39 5 5 4.5 1164.7 1200.0 Analysis
2 Western Cape Schools 2022 (U11 Girls) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 5 1.0 1197.3 1199.6 Analysis
1 Overberg Primary Schools Closed 2022 (U11 Girls) 2022/03/12 2022/03/12 Overberg (WOS) Standard 60 0.83 5 4 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 23 12 0 11 12.0 52.2 18.5 1231.6 1250.1
White 10 7 0 3 7.0 70.0 170.0 1211.0 1381.0
Black 13 5 0 8 5.0 38.5 -98.1 1247.5 1149.4
Standard All 11 7 0 4 7.0 63.6 115.9 1239.7 1355.6
White 5 4 0 1 4.0 80.0 255.0 1213.1 1468.1
Black 6 3 0 3 3.0 50.0 0.0 1261.9 1261.9
Rapid All 12 5 0 7 5.0 41.7 -70.8 1224.2 1153.4
White 5 3 0 2 3.0 60.0 85.0 1208.9 1293.9
Black 7 2 0 5 2.0 28.6 -182.1 1235.2 1053.1
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 96 58 7 31 61.5 64.1 119.5 1251.5 1371.0
White 45 29 3 13 30.5 67.8 151.1 1259.2 1410.3
Black 51 29 4 18 31.0 60.8 91.7 1244.7 1336.3
Standard All 46 29 4 13 31.0 67.4 147.8 1268.5 1416.3
White 21 17 1 3 17.5 83.3 283.3 1238.6 1522.0
Black 25 12 3 10 13.5 54.0 34.0 1293.5 1327.5
Rapid All 50 29 3 18 30.5 61.0 93.5 1235.8 1329.3
White 24 12 2 10 13.0 54.2 35.4 1277.1 1312.5
Black 26 17 1 8 17.5 67.3 147.1 1197.7 1344.8
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 2120138446 Stevens, DA (Danielle-Ann) 4 1.5 1 1 2 37.5 1252.1 -106.3 1145.8 View list
2 2120138441 Fortuin, E (Eron) 3 3.0 3 0 0 100.0 1347.9 425.0 1772.9 View list
3 2130138496 Beyers, S (Skylar) 3 2.5 2 1 0 83.3 1342.0 283.3 1625.4 View list
4 2110150081 Diederiks, K (Katryn) 2 2.0 2 0 0 100.0 1202.9 425.0 1627.9 View list
5 2140154645 Bota, A (Alupheli) 2 2.0 2 0 0 100.0 1340.3 425.0 1765.3 View list
6 2130146614 Gouws, A (Anne-Marie) 2 2.0 2 0 0 100.0 1206.6 425.0 1631.6 View list
7 2110133358 Jara, I (Iviwe) 2 1.5 1 1 0 75.0 1282.3 212.5 1494.8 View list
8 2130139487 Cilliers, D (Dene) 2 1.0 1 0 1 50.0 1411.0 0.0 1411.0 View list
9 2120133357 Buhr, G (Gretchen) 2 1.0 1 0 1 50.0 1203.3 0.0 1203.3 View list
10 2110130329 Pieper, Q (Qiella) 2 1.0 1 0 1 50.0 1437.0 0.0 1437.0 View list
11 2120118993 Webb, A (Amori) 2 1.0 1 0 1 50.0 1393.3 0.0 1393.3 View list
12 2120110759 Ntontelo, K (Khazimla) 2 0.5 0 1 1 25.0 1206.6 -212.5 994.1 View list
13 2120138439 Du Preez, A (Alet) 2 0.0 0 0 2 0.0 1317.2 -425.0 892.2 View list
14 1110151346 Ess, N (Noah) 1 1.0 1 0 0 100.0 1364.7 425.0 1789.7 View list
15 1120139718 Du Toit, V (Victor) 1 1.0 1 0 0 100.0 1400.2 425.0 1825.2 View list
16 1130143658 Du Preez, Z (Zolani) 1 1.0 1 0 0 100.0 1419.3 425.0 1844.3 View list
17 2120138437 Collins, E (Esme) 1 1.0 1 0 0 100.0 1206.6 425.0 1631.6 View list
18 2120111379 Coetzee, C (Carli) 1 1.0 1 0 0 100.0 1252.1 425.0 1677.1 View list
19 1120130328 Drury, R (Riko) 1 1.0 1 0 0 100.0 1199.3 425.0 1624.3 View list
20 2130136581 Brewis, S (Sienna) 1 1.0 1 0 0 100.0 1252.1 425.0 1677.1 View list