Player Page

Melville, J (Joalize)
Dob: 2007/05/07 (U18)
Gender: Female
Chess SA id: 207064253
FIDE id:
Region: Mangaung (FMB)
Citizen: RSA
Title(s):
Last active: 2024/05/05 (8 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 rating1124.3
Curent Weighted rating1071.7
Curent Weighted performance1119.1
Current official/published rating (highest between Raw, WR and WP)1124.3
Current floor (min rating allowed)624.3
Current highest rating achieved1124.3
Current K-factor40
Games played this month4
Score (S)0.5
Expected score (We)0.75
Difference (S-We)-0.25
Current Raw change (no limits, including tournament time weight)-8.3
Current min/max change allowed (with limits)±184.7
Current Raw change used (final)-8.3
Projected new Raw rating1116.0
Projected new Weighed rating1075.9
Projected new Weighted performance1119.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1119.1
Projected effective change (new Official - current Official)-5.2
Projected new highest rating1124.3
Projected new floor624.3
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 rating1039.8
Curent Weighted rating1012.9
Curent Weighted performance980.9
Current official/published rating (highest between Raw, WR and WP)1039.8
Current floor (min rating allowed)567.0
Current highest rating achieved1067.0
Current K-factor40
Games played this month4
Score (S)0.5
Expected score (We)0.49
Difference (S-We)0.01
Current Raw change (no limits, including tournament time weight)0.4
Current min/max change allowed (with limits)±208.3
Current Raw change used (final)0.4
Projected new Raw rating1040.2
Projected new Weighed rating1014.9
Projected new Weighted performance980.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1040.2
Projected effective change (new Official - current Official)+0.4
Projected new highest rating1067.0
Projected new floor567.0
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 rating1124.6
Curent Weighted rating1039.1
Curent Weighted performance1093.8
Current official/published rating (highest between Raw, WR and WP)1124.6
Current floor (min rating allowed)624.6
Current highest rating achieved1124.6
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)±184.6
Current Raw change used (final)0.0
Projected new Raw rating1124.6
Projected new Weighed rating1047.8
Projected new Weighted performance1093.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1124.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1124.6
Projected new floor624.6
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 rating620.0
Curent Weighted rating620.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)620.0
Current floor (min rating allowed)624.6
Current highest rating achieved620.0
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)±378.9
Current Raw change used (final)0.0
Projected new Raw rating620.0
Projected new Weighed rating620.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)620.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating620.0
Projected new floor624.6
Projected new K-facor40
Tournaments
Tournament: Spartan Bishops Chess Championships 2024 (Rooks)
Start: 2024/05/04  End: 2024/05/05  Host: NBR  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 4
Games: 4  Score: 0.5
Main rating: 1124.3  Rating gain/loss: -8.3
Type rating: 1039.8  Rating gain/loss: 0.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 Spartan Bishops Chess Championships 2024 (Rooks) 2024/05/04 2024/05/05 Bojanala Platina (NBR) Standard 60 0.83 5 4 0.5 1124.3 1039.8 Analysis
5 Mangaung Metro Chess 12-13 April 2024 (B) 2024/04/12 2024/04/13 Mangaung (FMB) Standard 62 0.84 5 5 2.5 1088.7 990.2 Analysis
4 Grey College Team Championship 2024 (B) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 1.0 1102.0 1013.8 Analysis
3 Mangaung Metro Chess 10 February 2024 (B) 2024/02/10 2024/02/10 Mangaung (FMB) Rapid 32 0.63 5 5 3.0 1102.0 1108.6 Analysis
2 Kings & Queens Chess 27 January 2024 (B) 2024/01/27 2024/01/27 Mangaung (FMB) Rapid 32 0.63 5 5 2.5 1053.3 991.0 Analysis
1 Bloemfontein High School League Tournament 26 January 2024 (U19B) 2024/01/26 2024/01/26 Mangaung (FMB) Rapid 15 0.39 5 5 3.0 1053.3 991.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
50 Spartan Bishops Chess Championships 2024 (Rooks) 2024/05/04 2024/05/05 Bojanala Platina (NBR) Standard 60 0.83 5 4 0.5 1124.3 1039.8 Analysis
49 Mangaung Metro Chess 12-13 April 2024 (B) 2024/04/12 2024/04/13 Mangaung (FMB) Standard 62 0.84 5 5 2.5 1088.7 990.2 Analysis
48 Grey College Team Championship 2024 (B) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 1.0 1102.0 1013.8 Analysis
47 Mangaung Metro Chess 10 February 2024 (B) 2024/02/10 2024/02/10 Mangaung (FMB) Rapid 32 0.63 5 5 3.0 1102.0 1108.6 Analysis
46 Kings & Queens Chess 27 January 2024 (B) 2024/01/27 2024/01/27 Mangaung (FMB) Rapid 32 0.63 5 5 2.5 1053.3 991.0 Analysis
45 Bloemfontein High School League Tournament 26 January 2024 (U19B) 2024/01/26 2024/01/26 Mangaung (FMB) Rapid 15 0.39 5 5 3.0 1053.3 991.0 Analysis
44 Bloemfontein HS League 27 October 2023 (U19) 2023/10/27 2023/10/27 Cape Winelands (WCW) Rapid 15 0.39 5 5 0.5 1091.0 1077.8 Analysis
43 Heidedal Chess 14 October 2023 (B) 2023/10/14 2023/10/14 Mangaung (FMB) Rapid 32 0.63 5 4 1.0 1091.0 1077.8 Analysis
42 Bloemfontein HS League 13 October 2023 (U17+U19) 2023/10/13 2023/10/13 Mangaung (FMB) Rapid 20 0.47 5 5 2.0 1091.0 1077.8 Analysis
41 St Andrews 19 August 2023 (B) 2023/08/19 2023/08/19 Mangaung (FMB) Rapid 32 0.63 5 5 2.5 1070.6 1035.1 Analysis
40 Morris Club Championship 2023 2023/07/28 2023/07/28 Mangaung (FMB) Rapid 32 0.63 5 5 2.0 1054.5 991.5 Analysis
39 Inter Regional Chess Championship 2023 (U18) 2023/05/19 2023/05/20 Mangaung (FMB) Standard 62 0.84 5 5 2.0 1043.7 1005.4 Analysis
38 Bloemfontein Highschool League 24 Feb 2023 (U17) 2023/02/24 2023/02/24 Mangaung (FMB) Rapid 17 0.42 5 5 3.0 1052.9 953.1 Analysis
37 Grey College Team Championship 2023 (A) 2023/02/03 2023/02/04 Mangaung (FMB) Standard 60 0.83 5 5 1.0 1052.9 1031.4 Analysis
36 Kings & Queens Chess 21 January 2023 (B) 2023/01/21 2023/01/21 Mangaung (FMB) Rapid 32 0.63 5 4 1.0 1060.2 984.3 Analysis
35 2022 South African Junior Team Chess Championships (U16 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 4 1.5 1057.0 1020.6 Analysis
34 Mangaung Metro Chess 13 August 2022 (B) 2022/08/13 2022/08/13 Mangaung (FMB) Rapid 32 0.63 5 3 1.0 1026.3 933.5 Analysis
33 Bloemfontein School League 2022 (U19) 2022/08/12 2022/08/12 Mangaung (FMB) Rapid 35 0.66 5 5 2.5 1026.3 933.5 Analysis
32 Mangaung Metro Chess 30 July 2022 (B) 2022/07/30 2022/07/30 Mangaung (FMB) Rapid 32 0.63 5 4 1.0 1044.2 995.5 Analysis
31 8th Piet Van Zyl Chess Festival 2022 (C) 2022/07/22 2022/07/23 Mangaung (FMB) Standard 62 0.84 5 5 1.5 1044.2 1027.0 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 29 10 5 14 12.5 43.1 -58.6 1236.1 1177.5
White 14 5 2 7 6.0 42.9 -60.7 1237.6 1176.9
Black 15 5 3 7 6.5 43.3 -56.7 1234.7 1178.0
Standard All 14 3 2 9 4.0 28.6 -182.1 1271.4 1089.3
White 7 2 1 4 2.5 35.7 -121.4 1253.4 1132.0
Black 7 1 1 5 1.5 21.4 -242.9 1289.5 1046.6
Rapid All 15 7 3 5 8.5 56.7 56.7 1203.2 1259.8
White 7 3 1 3 3.5 50.0 0.0 1221.9 1221.9
Black 8 4 2 2 5.0 62.5 106.3 1186.8 1293.0
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 245 82 25 138 94.5 38.6 -97.1 1118.7 1021.6
White 125 48 13 64 54.5 43.6 -54.4 1142.9 1088.5
Black 120 34 12 74 40.0 33.3 -141.7 1093.5 951.9
Standard All 154 52 11 91 57.5 37.3 -107.6 1085.2 977.6
White 80 28 7 45 31.5 39.4 -90.3 1108.1 1017.8
Black 74 24 4 46 26.0 35.1 -126.4 1060.5 934.2
Rapid All 84 26 14 44 33.0 39.3 -91.1 1192.5 1101.5
White 41 16 6 19 19.0 46.3 -31.1 1205.3 1174.2
Black 43 10 8 25 14.0 32.6 -148.3 1180.3 1032.1
Blitz All 7 4 0 3 4.0 57.1 60.7 969.9 1030.6
White 4 4 0 0 4.0 100.0 425.0 1200.0 1625.0
Black 3 0 0 3 0.0 0.0 -425.0 663.2 238.2
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 107064255 Van Rensburg, M (Malan) 7 3.0 0 6 1 42.9 982.0 -60.7 921.3 View list
2 1060105432 Alrich, A (Alsanio) 3 2.5 2 1 0 83.3 1028.9 283.3 1312.2 View list
3 207061418 Pretorius, A (Ane) 3 1.0 1 0 2 33.3 1008.7 -141.7 867.0 View list
4 207084887 Herbst, D (Danielle) 3 0.0 0 0 3 0.0 712.6 -425.0 287.6 View list
5 107069734 Jordaan, W (Wian) 3 0.0 0 0 3 0.0 891.0 -425.0 466.0 View list
6 206086189 Lebenya, A (Agnes) 3 0.0 0 0 3 0.0 1053.7 -425.0 628.7 View list
7 210086184 Beelders, K (Kyra) 2 2.0 2 0 0 100.0 958.7 425.0 1383.7 View list
8 110086186 Boje, E (Ewald) 2 2.0 2 0 0 100.0 920.4 425.0 1345.3 View list
9 1090100917 Chabeli, T (Tshepo) 2 2.0 2 0 0 100.0 1058.7 425.0 1483.7 View list
10 1090103074 Lemphane, O (Olerato) 2 2.0 2 0 0 100.0 964.0 425.0 1389.0 View list
11 1060107761 Fumba, I (Immanuel) 2 1.0 1 0 1 50.0 961.6 0.0 961.6 View list
12 108086945 Geyser, H (Heinrich) 2 1.0 1 0 1 50.0 666.2 0.0 666.2 View list
13 1060143831 Weng, Y (Yu) 2 1.0 1 0 1 50.0 1066.5 0.0 1066.5 View list
14 1070134676 April, L (Lorenzo) 2 1.0 0 2 0 50.0 1042.0 0.0 1042.0 View list
15 1080144688 Bodenstein, D (Dian) 2 0.5 0 1 1 25.0 1061.9 -212.5 849.4 View list
16 1090117637 Els, C (Christiaan) 2 0.5 0 1 1 25.0 1075.6 -212.5 863.1 View list
17 108059718 Griesel, W (Wian) 2 0.5 0 1 1 25.0 725.6 -212.5 513.1 View list
18 107064251 Kriel, R (Ruan) 2 0.5 0 1 1 25.0 771.9 -212.5 559.4 View list
19 1080106777 Swanepoel, W (Wj) 2 0.5 0 1 1 25.0 1058.7 -212.5 846.2 View list
20 107069733 Grace, G (Garran) 2 0.0 0 0 2 0.0 1048.8 -425.0 623.8 View list