Chess South Africa
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Chess South Africa
Davids, R (Rafael)
Dob:
2007/06/22 (U18)
Gender:
Male
Chess SA id:
107078359
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2024/03/22 (41 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
1537.4
Curent Weighted rating
1474.0
Curent Weighted performance
1509.9
Current official/published rating (highest between Raw, WR and WP)
1537.4
Current floor (min rating allowed)
1037.4
Current highest rating achieved
1537.4
Current K-factor
32
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)
±102.5
Current Raw change used (final)
0.0
Projected new Raw rating
1537.4
Projected new Weighed rating
1480.6
Projected new Weighted performance
1509.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1537.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1537.4
Projected new floor
1037.4
Projected new K-facor
32
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
1521.5
Curent Weighted rating
1456.4
Curent Weighted performance
1490.2
Current official/published rating (highest between Raw, WR and WP)
1521.5
Current floor (min rating allowed)
1021.5
Current highest rating achieved
1521.5
Current K-factor
32
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)
±104.9
Current Raw change used (final)
0.0
Projected new Raw rating
1521.5
Projected new Weighed rating
1463.6
Projected new Weighted performance
1490.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1521.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1521.5
Projected new floor
1021.5
Projected new K-facor
32
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
1431.5
Curent Weighted rating
1415.3
Curent Weighted performance
1223.2
Current official/published rating (highest between Raw, WR and WP)
1431.5
Current floor (min rating allowed)
931.5
Current highest rating achieved
1431.5
Current K-factor
32
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)
±119.2
Current Raw change used (final)
0.0
Projected new Raw rating
1431.5
Projected new Weighed rating
1416.8
Projected new Weighted performance
1223.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1431.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1431.5
Projected new floor
931.5
Projected new K-facor
32
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
994.2
Curent Weighted rating
993.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
994.2
Current floor (min rating allowed)
931.5
Current highest rating achieved
994.2
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)
±222.3
Current Raw change used (final)
0.0
Projected new Raw rating
994.2
Projected new Weighed rating
994.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
994.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
994.2
Projected new floor
931.5
Projected new K-facor
40
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
Western Cape HS Individuals Championship 2024 (U18 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
3.5
1525.2
1504.2
Analysis
3
Cape Winelands Schools - Prestige 2024 (U18 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.5
1525.2
1504.2
Analysis
2
Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)
2024/02/17
2024/02/17
Cape Winelands (WCW)
Rapid
35
0.66
6
6
4.5
1517.8
1411.7
Analysis
1
Cape Winelands - Marie Delport Memorial 2024 (Open)
2024/01/27
2024/01/28
Cape Winelands (WCW)
Standard
70
0.87
6
6
5.0
1471.6
1448.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
61
Western Cape HS Individuals Championship 2024 (U18 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
3.5
1525.2
1504.2
Analysis
60
Cape Winelands Schools - Prestige 2024 (U18 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.5
1525.2
1504.2
Analysis
59
Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)
2024/02/17
2024/02/17
Cape Winelands (WCW)
Rapid
35
0.66
6
6
4.5
1517.8
1411.7
Analysis
58
Cape Winelands - Marie Delport Memorial 2024 (Open)
2024/01/27
2024/01/28
Cape Winelands (WCW)
Standard
70
0.87
6
6
5.0
1471.6
1448.5
Analysis
57
Bonnievale Open Rapid 2023 (Intermediate)
2023/10/21
2023/10/21
Cape Winelands (WCW)
Rapid
25
0.54
6
6
4.5
1442.8
1409.5
Analysis
56
Paarl Boys High Chess Festival 2023 (Elite Division)
2023/10/13
2023/10/14
Cape Winelands (WCW)
Standard
60
0.83
6
6
3.0
1442.8
1430.3
Analysis
55
Cape Winelands Schools Prestige 2023 (U17 Boys)
2023/03/11
2023/03/11
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.0
1447.0
1435.1
Analysis
54
Cape Winelands Schools Chess - Trials 1 2023 (U17 Boys)
2023/02/25
2023/02/25
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1427.1
1412.1
Analysis
53
Western Cape Closed Championship 2022 (Prestige)
2022/09/24
2022/09/25
Cape Winelands (WCW)
Standard
70
0.87
6
6
2.5
1427.7
1403.7
Analysis
52
Cape Winelands Schools Top Schools 2022 (U15 Mix)
2022/08/27
2022/08/27
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1397.7
1297.1
Analysis
51
WCCA Rural Cup 2022 (U16)
2022/08/13
2022/08/14
Overberg (WOS)
Standard
60
0.83
5
3
2.0
1397.7
1297.1
Analysis
50
WCCA Rural Cup Blitz 2022
2022/07/12
2022/07/12
Overberg (WOS)
Blitz
5
0.18
5
5
3.0
1396.6
911.0
Analysis
49
Western Cape Schools Chess 2022 (U15 Boys)
2022/05/07
2022/05/08
Eden District (WEG)
Standard
65
0.85
6
6
3.0
1421.6
1324.8
Analysis
48
Cape Winelands Schools 2022 (U15 Boys)
2022/03/05
2022/03/05
Cape Winelands (WCW)
Standard
60
0.83
5
5
5.0
1375.7
1251.0
Analysis
47
Worcester Schools Trials 2022 (U15 Boys)
2022/02/19
2022/02/19
Cape Winelands (WCW)
Rapid
30
0.60
5
5
4.0
1363.2
1394.5
Analysis
46
Western Cape Schools 2021 (U15 Boys)
2021/10/23
2021/10/23
Overberg (WOS)
Rapid
35
0.66
5
5
2.5
1336.8
1422.0
Analysis
45
Cape Winelands Schools Trials 2021 (U15 Boys)
2021/10/16
2021/10/16
Cape Winelands (WCW)
Rapid
30
0.60
5
5
4.0
1336.8
1422.0
Analysis
44
Western Cape Closed 2020 (Prestige)
2021/03/27
2021/03/28
Cape Town (WCT)
Standard
65
0.85
6
6
3.0
1355.8
1257.8
Analysis
43
2020 Western Province Open (Elite)
2020/03/07
2020/03/08
Cape Town (WCT)
Standard
70
0.87
6
5
0.5
1395.9
1288.4
Analysis
42
2020 Welgemoed Chess Challenge (U14)
2020/02/29
2020/02/29
Cape Town (WCT)
Rapid
30
0.60
5
5
3.0
1388.5
1325.2
Analysis
1
2
3
4
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
23
13
7
3
16.5
71.7
184.8
1396.4
1581.2
White
11
7
4
0
9.0
81.8
270.5
1335.1
1605.6
Black
12
6
3
3
7.5
62.5
106.3
1452.6
1558.9
Standard
All
17
9
6
2
12.0
70.6
175.0
1411.8
1586.8
White
8
5
3
0
6.5
81.3
265.6
1308.0
1573.6
Black
9
4
3
2
5.5
61.1
94.4
1504.0
1598.4
Rapid
All
6
4
1
1
4.5
75.0
212.5
1352.9
1565.4
White
3
2
1
0
2.5
83.3
283.3
1407.4
1690.8
Black
3
2
0
1
2.0
66.7
141.7
1298.4
1440.1
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
340
216
33
91
232.5
68.4
156.3
1209.1
1365.4
White
169
109
17
43
117.5
69.5
166.0
1203.9
1369.9
Black
171
107
16
48
115.0
67.3
146.6
1214.3
1360.9
Standard
All
217
127
25
65
139.5
64.3
121.4
1220.9
1342.3
White
107
63
9
35
67.5
63.1
111.2
1221.1
1332.3
Black
110
64
16
30
72.0
65.5
131.4
1220.7
1352.1
Rapid
All
111
81
8
22
85.0
76.6
225.9
1172.9
1398.8
White
56
41
8
7
45.0
80.4
258.0
1163.0
1421.0
Black
55
40
0
15
40.0
72.7
193.2
1183.1
1376.2
Blitz
All
12
8
0
4
8.0
66.7
141.7
1330.7
1472.3
White
6
5
0
1
5.0
83.3
283.3
1278.9
1562.3
Black
6
3
0
3
3.0
50.0
0.0
1382.4
1382.4
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
107078353
De Wet, M (Malcolm)
7
5.0
5
0
2
71.4
1307.2
182.1
1489.4
View list
2
108072148
Van Heerden, EJ (Ethan Joel)
4
1.5
1
1
2
37.5
1423.9
-106.3
1317.6
View list
3
106087912
Lielieveld, F (Franco)
4
0.5
0
1
3
12.5
1400.9
-318.8
1082.1
View list
4
107083549
Pillay, PJ (Palin)
3
3.0
3
0
0
100.0
1245.6
425.0
1670.6
View list
5
106078570
Hausiku, M (Marco)
3
2.5
2
1
0
83.3
1359.8
283.3
1643.2
View list
6
108090548
Lewaks, S (Shaundre)
3
2.5
2
1
0
83.3
1387.6
283.3
1670.9
View list
7
1060137638
Pieters, G (Gethan)
3
2.5
2
1
0
83.3
1464.0
283.3
1747.3
View list
8
107082126
Saoud, J (Jassem)
3
2.5
2
1
0
83.3
1343.9
283.3
1627.2
View list
9
208068746
Snyders, M (Meya)
3
2.5
2
1
0
83.3
1347.2
283.3
1630.6
View list
10
107093485
Coetzee, D (David)
3
2.0
2
0
1
66.7
988.1
141.7
1129.7
View list
11
106088984
Jonas, SG (Sue-Win)
3
2.0
2
0
1
66.7
1405.3
141.7
1547.0
View list
12
1070137517
Roux, T (Tiaan)
3
1.5
1
1
1
50.0
1480.2
0.0
1480.2
View list
13
1080103429
Winter, C (Cuthanzario)
3
1.0
1
0
2
33.3
1374.8
-141.7
1233.2
View list
14
109087781
Bosman, P (Petrus)
3
1.0
0
2
1
33.3
1307.6
-141.7
1165.9
View list
15
1070097985
Anderson, N (Neo)
3
0.5
0
1
2
16.7
1347.5
-283.3
1064.1
View list
16
106078134
Geyser, K (Kobus)
3
0.0
0
0
3
0.0
1432.9
-425.0
1007.9
View list
17
1080134436
Bosman, B (Burnito)
2
2.0
2
0
0
100.0
1409.7
425.0
1834.7
View list
18
108092101
Dicks, D (Drake)
2
2.0
2
0
0
100.0
973.9
425.0
1398.8
View list
19
107064069
Drury, N (Nicholas)
2
2.0
2
0
0
100.0
1318.3
425.0
1743.3
View list
20
107078341
Ismail, A (Amar)
2
2.0
2
0
0
100.0
1226.1
425.0
1651.1
View list