Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
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
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
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 rating
1124.3
Curent Weighted rating
1071.7
Curent Weighted performance
1119.1
Current official/published rating (highest between Raw, WR and WP)
1124.3
Current floor (min rating allowed)
624.3
Current highest rating achieved
1124.3
Current K-factor
40
Games played this month
4
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 rating
1116.0
Projected new Weighed rating
1075.9
Projected new Weighted performance
1119.1
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 rating
1124.3
Projected new floor
624.3
Projected new K-facor
40
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 rating
1039.8
Curent Weighted rating
1012.9
Curent Weighted performance
980.9
Current official/published rating (highest between Raw, WR and WP)
1039.8
Current floor (min rating allowed)
567.0
Current highest rating achieved
1067.0
Current K-factor
40
Games played this month
4
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 rating
1040.2
Projected new Weighed rating
1014.9
Projected new Weighted performance
980.9
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 rating
1067.0
Projected new floor
567.0
Projected new K-facor
40
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 rating
1124.6
Curent Weighted rating
1039.1
Curent Weighted performance
1093.8
Current official/published rating (highest between Raw, WR and WP)
1124.6
Current floor (min rating allowed)
624.6
Current highest rating achieved
1124.6
Current K-factor
40
Games played this month
0
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 rating
1124.6
Projected new Weighed rating
1047.8
Projected new Weighted performance
1093.8
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 rating
1124.6
Projected new floor
624.6
Projected new K-facor
40
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 rating
620.0
Curent Weighted rating
620.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
620.0
Current floor (min rating allowed)
624.6
Current highest rating achieved
620.0
Current K-factor
40
Games played this month
0
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 rating
620.0
Projected new Weighed rating
620.0
Projected new Weighted performance
0.0
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 rating
620.0
Projected new floor
624.6
Projected new K-facor
40
Tournaments
History
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
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
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
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
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
1
2
3
Game History
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
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