Player Page

Nortje, M (Melvinia)
Dob: 2007/02/11 (U18)
Gender: Female
Chess SA id: 2070137625
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (7 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 rating988.9
Curent Weighted rating1024.8
Curent Weighted performance907.6
Current official/published rating (highest between Raw, WR and WP)1024.8
Current floor (min rating allowed)666.9
Current highest rating achieved1166.9
Current K-factor40
Games played this month4
Score (S)1.0
Expected score (We)0.95
Difference (S-We)0.05
Current Raw change (no limits, including tournament time weight)1.2
Current min/max change allowed (with limits)±224.0
Current Raw change used (final)1.2
Projected new Raw rating990.1
Projected new Weighed rating1021.1
Projected new Weighted performance907.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1021.1
Projected effective change (new Official - current Official)-3.7
Projected new highest rating1166.9
Projected new floor666.9
Projected new K-facor40
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 rating961.6
Curent Weighted rating1005.1
Curent Weighted performance888.5
Current official/published rating (highest between Raw, WR and WP)1005.1
Current floor (min rating allowed)685.2
Current highest rating achieved1185.2
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)±232.9
Current Raw change used (final)0.0
Projected new Raw rating961.6
Projected new Weighed rating1000.2
Projected new Weighted performance888.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1000.2
Projected effective change (new Official - current Official)-4.9
Projected new highest rating1185.2
Projected new floor685.2
Projected new K-facor40
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 rating1121.2
Curent Weighted rating1138.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1138.1
Current floor (min rating allowed)648.8
Current highest rating achieved1148.8
Current K-factor40
Games played this month4
Score (S)1.0
Expected score (We)1.52
Difference (S-We)-0.52
Current Raw change (no limits, including tournament time weight)-20.8
Current min/max change allowed (with limits)±185.5
Current Raw change used (final)-20.8
Projected new Raw rating1100.4
Projected new Weighed rating1134.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1134.9
Projected effective change (new Official - current Official)-3.2
Projected new highest rating1148.8
Projected new floor648.8
Projected new K-facor40
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)648.8
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 floor648.8
Projected new K-facor36
Tournaments
Tournament: Robertson Strategema Chess May 2024 (Open)
Start: 2024/05/11  End: 2024/05/11  Host: WCW  Type: Rapid   Time: 30  Time weight: 0.60  Rounds: 4
Games: 4  Score: 1.0
Main rating: 988.9  Rating gain/loss: 1.2
Type rating: 1121.2  Rating gain/loss: -20.8
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Robertson Strategema Chess May 2024 (Open) 2024/05/11 2024/05/11 Cape Winelands (WCW) Rapid 30 0.60 5 4 1.0 988.9 1121.2 Analysis
3 Cape Winelands Schools - Prestige 2024 (U18 Girls) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 0.5 1037.4 1013.2 Analysis
2 Cape Winelands Schools - HS Trials 1 2024 (U18 Girls) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 5 2.0 1037.1 1148.8 Analysis
1 Cape Winelands - Marie Delport Memorial 2024 (Ladies) 2024/01/27 2024/01/28 Cape Winelands (WCW) Standard 70 0.87 6 6 1.0 1046.1 1017.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
15 Robertson Strategema Chess May 2024 (Open) 2024/05/11 2024/05/11 Cape Winelands (WCW) Rapid 30 0.60 5 4 1.0 988.9 1121.2 Analysis
14 Cape Winelands Schools - Prestige 2024 (U18 Girls) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 0.5 1037.4 1013.2 Analysis
13 Cape Winelands Schools - HS Trials 1 2024 (U18 Girls) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 5 2.0 1037.1 1148.8 Analysis
12 Cape Winelands - Marie Delport Memorial 2024 (Ladies) 2024/01/27 2024/01/28 Cape Winelands (WCW) Standard 70 0.87 6 6 1.0 1046.1 1017.2 Analysis
11 Worcester Knock-Out 2023 (U18 Girls) 2023/10/14 2023/10/14 Cape Winelands (WCW) Rapid 30 0.60 6 5 3.0 1025.5 1123.2 Analysis
10 CW Top Schools 2023 (U15+U18 Girls) 2023/08/26 2023/08/26 Cape Winelands (WCW) Rapid 32 0.63 5 4 1.0 971.1 1144.0 Analysis
9 CW Top Schools 2023 (Intermediate) 2023/08/12 2023/08/12 West Coast (WCU) Standard 60 0.83 5 5 2.5 971.1 960.0 Analysis
8 Cape Winelands Open 2023 (Intermediate) 2023/07/22 2023/07/23 Cape Winelands (WCW) Standard 70 0.87 6 6 1.0 1006.9 991.2 Analysis
7 Cape Winelands Schools Prestige 2023 (U17 Girls) 2023/03/11 2023/03/11 Cape Winelands (WCW) Standard 60 0.83 5 5 0.5 1052.4 1045.6 Analysis
6 Cape Winelands Schools Chess - Trials 1 2023 (U17 Girls) 2023/02/25 2023/02/25 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1033.1 1020.4 Analysis
5 Western Cape Top Schools 2022 (U18 Girls) 2022/09/16 2022/09/17 Overberg (WOS) Standard 60 0.83 5 5 0.0 1160.6 1185.2 Analysis
4 Western Cape Woman`s Championship 2022 (Development) 2022/09/03 2022/09/03 West Coast (WCU) Standard 65 0.85 5 5 2.0 1160.6 1185.2 Analysis
3 Cape Winelands Schools Top Schools 2022 (U15+U18 Girls) 2022/08/27 2022/08/27 Cape Winelands (WCW) Standard 60 0.83 5 3 3.0 1100.8 1114.8 Analysis
2 Cape Winelands Schools 2022 (U15 Girls) 2022/03/05 2022/03/05 Cape Winelands (WCW) Standard 60 0.83 5 4 0.0 1166.9 1200.0 Analysis
1 Worcester Schools Trials 2022 (U15 Girls) 2022/02/19 2022/02/19 Cape Winelands (WCW) Rapid 30 0.60 5 4 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 20 4 1 15 4.5 22.5 -233.8 1201.4 967.7
White 9 2 1 6 2.5 27.8 -188.9 1178.4 989.5
Black 11 2 0 9 2.0 18.2 -270.5 1220.2 949.7
Standard All 11 1 1 9 1.5 13.6 -309.1 1227.3 918.2
White 5 1 1 3 1.5 30.0 -170.0 1216.6 1046.6
Black 6 0 0 6 0.0 0.0 -425.0 1236.2 811.2
Rapid All 9 3 0 6 3.0 33.3 -141.7 1169.8 1028.1
White 4 1 0 3 1.0 25.0 -212.5 1130.8 918.3
Black 5 2 0 3 2.0 40.0 -85.0 1201.0 1116.0
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 71 19 3 49 20.5 28.9 -179.6 1172.0 992.5
White 36 11 1 24 11.5 31.9 -153.5 1153.2 999.7
Black 35 8 2 25 9.0 25.7 -206.4 1191.4 985.0
Standard All 49 11 3 35 12.5 25.5 -208.2 1173.3 965.1
White 25 8 1 16 8.5 34.0 -136.0 1159.3 1023.3
Black 24 3 2 19 4.0 16.7 -283.3 1187.9 904.5
Rapid All 22 8 0 14 8.0 36.4 -115.9 1169.3 1053.4
White 11 3 0 8 3.0 27.3 -193.2 1139.3 946.1
Black 11 5 0 6 5.0 45.5 -38.6 1199.2 1160.6
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 2070108668 Springveldt, D (Deileeya) 3 0.0 0 0 3 0.0 1095.2 -425.0 670.2 View list
2 2070137624 Jacobs, J (Janine) 2 2.0 2 0 0 100.0 1112.8 425.0 1537.8 View list
3 2070151322 Alkaster, M (Mianca) 2 1.5 1 1 0 75.0 1042.8 212.5 1255.3 View list
4 2080156956 Jacobs, J (Jofesline) 2 0.0 0 0 2 0.0 1037.3 -425.0 612.3 View list
5 2090097163 Johnson, L (Lakeisha) 2 0.0 0 0 2 0.0 1008.6 -425.0 583.6 View list
6 2070137533 Swarts, J (Junay) 2 0.0 0 0 2 0.0 1044.9 -425.0 619.9 View list
7 2070158345 Arnoldus, M (Marceline) 1 1.0 1 0 0 100.0 1025.5 425.0 1450.5 View list
8 2680191713 Bald, T (Terelga) 1 1.0 1 0 0 100.0 1046.1 425.0 1471.1 View list
9 2080146186 Benden, I (Isabella) 1 1.0 1 0 0 100.0 1100.8 425.0 1525.8 View list
10 1060162869 Booysen, J (Jakob) 1 1.0 1 0 0 100.0 988.9 425.0 1413.9 View list
11 2090161475 Davids, R (Raziah) 1 1.0 1 0 0 100.0 971.1 425.0 1396.1 View list
12 2070146190 Goosen, M (Mizan) 1 1.0 1 0 0 100.0 1100.8 425.0 1525.8 View list
13 2070151324 Jansen, C (Carla) 1 1.0 1 0 0 100.0 1033.1 425.0 1458.1 View list
14 2070146193 Joseph, C (Chane) 1 1.0 1 0 0 100.0 1100.8 425.0 1525.8 View list
15 207086623 Julius, A (Amy) 1 1.0 1 0 0 100.0 1037.1 425.0 1462.1 View list
16 2090097165 May, A (Audrey) 1 1.0 1 0 0 100.0 1160.6 425.0 1585.6 View list
17 2070159914 Meloyer, M (Meleah) 1 1.0 1 0 0 100.0 971.1 425.0 1396.1 View list
18 2100132325 Nel, N (Nadine) 1 1.0 1 0 0 100.0 1160.6 425.0 1585.6 View list
19 206087292 Papa, L (Lindsay) 1 1.0 1 0 0 100.0 1037.1 425.0 1462.1 View list
20 2090158348 Reynard, T (Tamara) 1 1.0 1 0 0 100.0 971.1 425.0 1396.1 View list