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:
2024/10/19 (33 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
Current Raw rating
1558.0
Current Weighted rating
1508.7
Current Weighted performance
1513.6
Current official/published rating (highest between Raw, WR and WP)
1558.0
Current highest rating achieved
1558.0
Current floor (min rating allowed)
1058.0
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)
±99.6
Current Raw change used (final)
0.0
Projected new Raw rating
1558.0
Projected new Weighed rating
1389.9
Projected new Weighted performance
1513.6
Projected new final Raw rating (if new WP > new Raw)
1558.0
Projected new highest rating
1558.0
Projected new floor
1058.0
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1558.0
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1512.5
Current Weighted rating
1486.6
Current Weighted performance
1470.7
Current official/published rating (highest between Raw, WR and WP)
1512.5
Current highest rating achieved
1521.5
Current floor (min rating allowed)
1021.5
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)
±106.2
Current Raw change used (final)
0.0
Projected new Raw rating
1512.5
Projected new Weighed rating
1369.3
Projected new Weighted performance
1470.7
Projected new final Raw rating (if new WP > new Raw)
1512.5
Projected new highest rating
1521.5
Projected new floor
1021.5
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1512.5
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1489.1
Current Weighted rating
1430.2
Current Weighted performance
1488.6
Current official/published rating (highest between Raw, WR and WP)
1489.1
Current highest rating achieved
1489.1
Current floor (min rating allowed)
989.1
Current K-factor
32
s
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)
±109.8
Current Raw change used (final)
0.0
Projected new Raw rating
1489.1
Projected new Weighed rating
1316.4
Projected new Weighted performance
1488.6
Projected new final Raw rating (if new WP > new Raw)
1489.1
Projected new highest rating
1489.1
Projected new floor
989.1
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1489.1
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
994.2
Current Weighted rating
994.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
994.2
Current highest rating achieved
994.2
Current floor (min rating allowed)
500.0
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)
±222.3
Current Raw change used (final)
0.0
Projected new Raw rating
994.2
Projected new Weighed rating
914.7
Projected new Weighted performance
493.1
Projected new final Raw rating (if new WP > new Raw)
994.2
Projected new highest rating
994.2
Projected new floor
500.0
Projected new K-facor
40
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
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
9
Worcester Knock-Out 2024 (U18 Boys)
2024/10/19
2024/10/19
Cape Winelands (WCW)
Rapid
30
0.60
6
6
5.5
1547.1
1462.5
Analysis
8
Kleinmond Chess Club Open 2024 (Championship)
2024/09/07
2024/09/07
Overberg (WOS)
Rapid
25
0.54
5
5
3.5
1540.3
1431.5
Analysis
7
Western Cape Top Schools Championship 2024 (U18 Mixed)
2024/08/30
2024/09/01
Eden (WEG)
Standard
60
0.83
6
6
4.0
1540.3
1511.5
Analysis
6
De Villiers PS Tournament 2024 (Open)
2024/08/17
2024/08/17
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1519.3
1493.3
Analysis
5
Cape Winelands - Top Schools 2024 (U18 Mixed)
2024/07/27
2024/07/27
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.5
1537.4
1521.5
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
66
Worcester Knock-Out 2024 (U18 Boys)
2024/10/19
2024/10/19
Cape Winelands (WCW)
Rapid
30
0.60
6
6
5.5
1547.1
1462.5
Analysis
65
Kleinmond Chess Club Open 2024 (Championship)
2024/09/07
2024/09/07
Overberg (WOS)
Rapid
25
0.54
5
5
3.5
1540.3
1431.5
Analysis
64
Western Cape Top Schools Championship 2024 (U18 Mixed)
2024/08/30
2024/09/01
Eden (WEG)
Standard
60
0.83
6
6
4.0
1540.3
1511.5
Analysis
63
De Villiers PS Tournament 2024 (Open)
2024/08/17
2024/08/17
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1519.3
1493.3
Analysis
62
Cape Winelands - Top Schools 2024 (U18 Mixed)
2024/07/27
2024/07/27
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.5
1537.4
1521.5
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
1
2
3
4
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
50
32
10
8
37.0
74.0
204.0
1372.3
1576.3
White
25
17
5
3
19.5
78.0
238.0
1350.4
1588.4
Black
25
15
5
5
17.5
70.0
170.0
1394.1
1564.1
Standard
All
33
20
7
6
23.5
71.2
180.3
1379.1
1559.4
White
16
10
3
3
11.5
71.9
185.9
1347.2
1533.2
Black
17
10
4
3
12.0
70.6
175.0
1409.0
1584.0
Rapid
All
17
12
3
2
13.5
79.4
250.0
1359.1
1609.1
White
9
7
2
0
8.0
88.9
330.6
1356.1
1686.6
Black
8
5
1
2
5.5
68.8
159.4
1362.5
1521.9
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
367
235
36
96
253.0
68.9
161.0
1219.6
1380.6
White
183
119
18
46
128.0
69.9
169.5
1216.0
1385.5
Black
184
116
18
50
125.0
67.9
152.4
1223.2
1375.6
Standard
All
233
138
26
69
151.0
64.8
125.9
1229.4
1355.2
White
115
68
9
38
72.5
63.0
110.9
1232.6
1343.4
Black
118
70
17
31
78.5
66.5
140.5
1226.2
1366.7
Rapid
All
122
89
10
23
94.0
77.0
229.9
1190.0
1420.0
White
62
46
9
7
50.5
81.5
267.3
1179.2
1446.5
Black
60
43
1
16
43.5
72.5
191.2
1201.2
1392.5
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
1070137517
Roux, T (Tiaan)
4
2.0
1
2
1
50.0
1494.5
0.0
1494.5
View list
3
108072148
Van Heerden, EJ (Ethan Joel)
4
1.5
1
1
2
37.5
1423.8
-106.3
1317.6
View list
4
106087912
Lielieveld, F (Franco)
4
0.5
0
1
3
12.5
1400.9
-318.8
1082.1
View list
5
107083549
Pillay, PJ (Palin)
3
3.0
3
0
0
100.0
1245.6
425.0
1670.6
View list
6
106078570
Hausiku, M (Marco)
3
2.5
2
1
0
83.3
1359.8
283.3
1643.2
View list
7
108090548
Lewaks, S (Shaundre)
3
2.5
2
1
0
83.3
1387.6
283.3
1670.9
View list
8
1060137638
Pieters, G (Gethan)
3
2.5
2
1
0
83.3
1464.0
283.3
1747.3
View list
9
107082126
Saoud, J (Jassem)
3
2.5
2
1
0
83.3
1343.9
283.3
1627.2
View list
10
208068746
Snyders, M (Meya)
3
2.5
2
1
0
83.3
1347.2
283.3
1630.6
View list
11
106078288
Africa, G (Gillmore)
3
2.0
2
0
1
66.7
1414.1
141.7
1555.8
View list
12
107093485
Coetzee, D (David)
3
2.0
2
0
1
66.7
988.1
141.7
1129.7
View list
13
106088984
Jonas, SG (Sue-Win)
3
2.0
2
0
1
66.7
1405.3
141.7
1547.0
View list
14
1080103429
Winter, C (Cuthanzario)
3
1.0
1
0
2
33.3
1374.8
-141.7
1233.2
View list
15
109087781
Bosman, P (Petrus)
3
1.0
0
2
1
33.3
1307.6
-141.7
1165.9
View list
16
1070097985
Anderson, N (Neo)
3
0.5
0
1
2
16.7
1347.5
-283.3
1064.1
View list
17
106078134
Geyser, K (Kobus)
3
0.0
0
0
3
0.0
1432.9
-425.0
1007.9
View list
18
1080134436
Bosman, B (Burnito)
2
2.0
2
0
0
100.0
1409.7
425.0
1834.7
View list
19
108092101
Dicks, D (Drake)
2
2.0
2
0
0
100.0
973.9
425.0
1398.8
View list
20
107064069
Drury, N (Nicholas)
2
2.0
2
0
0
100.0
1318.3
425.0
1743.3
View list