Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Michiel, RRJ (Raidan)
Dob:
2009/04/03 (U16)
Gender:
Male
Chess SA id:
109087931
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/07/13 (14 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
1752.4
Current Weighted rating
1713.5
Current Weighted performance
1690.2
Current official/published rating (highest between Raw, WR and WP)
1752.4
Current highest rating achieved
1752.4
Current floor (min rating allowed)
1252.4
Current K-factor
28
Games played this month
6
Score (S)
4.0
Expected score (We)
3.69
Difference (S-We)
0.20
Current Raw change (no limits, including tournament time weight)
5.7
Current min/max change allowed (with limits)
±75.5
Current Raw change used (final)
5.7
Projected new Raw rating
1758.1
Projected new Weighed rating
1576.6
Projected new Weighted performance
1715.1
Projected new final Raw rating (if new WP > new Raw)
1758.1
Projected new highest rating
1758.1
Projected new floor
1258.1
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1758.1
Projected effective change (new Official - current Official)
+5.7
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
1756.6
Current Weighted rating
1703.7
Current Weighted performance
1660.8
Current official/published rating (highest between Raw, WR and WP)
1756.6
Current highest rating achieved
1756.6
Current floor (min rating allowed)
1256.6
Current K-factor
28
Games played this month
-4
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)
±75.0
Current Raw change used (final)
0.0
Projected new Raw rating
1756.6
Projected new Weighed rating
1568.0
Projected new Weighted performance
1660.8
Projected new final Raw rating (if new WP > new Raw)
1756.6
Projected new highest rating
1756.6
Projected new floor
1256.6
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1756.6
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
1540.8
Current Weighted rating
1525.8
Current Weighted performance
1351.2
Current official/published rating (highest between Raw, WR and WP)
1540.8
Current highest rating achieved
1540.8
Current floor (min rating allowed)
1040.8
Current K-factor
32
s
Games played this month
6
Score (S)
4.0
Expected score (We)
2.40
Difference (S-We)
1.60
Current Raw change (no limits, including tournament time weight)
51.2
Current min/max change allowed (with limits)
±102.0
Current Raw change used (final)
51.2
Projected new Raw rating
1592.0
Projected new Weighed rating
1404.2
Projected new Weighted performance
1522.8
Projected new final Raw rating (if new WP > new Raw)
1592.0
Projected new highest rating
1592.0
Projected new floor
1092.0
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1592.0
Projected effective change (new Official - current Official)
+51.2
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
721.2
Current Weighted rating
721.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
721.2
Current highest rating achieved
721.2
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)
±328.0
Current Raw change used (final)
0.0
Projected new Raw rating
721.2
Projected new Weighed rating
663.5
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
721.2
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
721.2
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Tournament:
Curro Durbanville Chess Rapid Open 2024 (Championship)
Start:
2024/07/13
End:
2024/07/13
Host:
WCT
Type:
Rapid
Time:
35
Time weight:
0.66
Rounds:
6
Games:
6
Score:
4.0
Main rating:
1752.4
Rating gain/loss:
5.7
Type rating:
1540.8
Rating gain/loss:
51.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
Curro Durbanville Chess Rapid Open 2024 (Championship)
2024/07/13
2024/07/13
Cape Town (WCT)
Rapid
35
0.66
6
6
4.0
1752.4
1540.8
Analysis
2
Cape Town Open Chess Championship 2024 (Championship)
2024/03/15
2024/03/17
Cape Town (WCT)
Standard
90
0.94
6
6
2.5
1737.4
1736.4
Analysis
1
Cape of Good Hope Open Chess Tournament 2024 (Championship)
2024/02/17
2024/02/17
Cape Town (WCT)
Standard
90
0.94
5
5
3.0
1691.1
1684.1
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
60
Curro Durbanville Chess Rapid Open 2024 (Championship)
2024/07/13
2024/07/13
Cape Town (WCT)
Rapid
35
0.66
6
6
4.0
1752.4
1540.8
Analysis
59
Cape Town Open Chess Championship 2024 (Championship)
2024/03/15
2024/03/17
Cape Town (WCT)
Standard
90
0.94
6
6
2.5
1737.4
1736.4
Analysis
58
Cape of Good Hope Open Chess Tournament 2024 (Championship)
2024/02/17
2024/02/17
Cape Town (WCT)
Standard
90
0.94
5
5
3.0
1691.1
1684.1
Analysis
57
Bonnievale Open Rapid 2023 (Advanced)
2023/10/21
2023/10/21
Cape Winelands (WCW)
Rapid
25
0.54
6
6
5.0
1678.7
1480.6
Analysis
56
CW Top Schools 2023 (Advanced)
2023/08/11
2023/08/13
West Coast (WCU)
Standard
90
0.94
6
6
4.0
1672.6
1663.4
Analysis
55
WP Club League 2023 (C)
2023/07/29
2023/09/09
Cape Town (WCT)
Standard
120
1.00
11
5
4.0
1681.5
1669.6
Analysis
54
Cape Winelands Open 2023 (Championship)
2023/07/22
2023/07/23
Cape Winelands (WCW)
Standard
70
0.87
6
6
3.0
1677.7
1672.6
Analysis
53
GPCA Rapid 2023 (Championship)
2023/06/24
2023/06/24
Cape Town (WCT)
Rapid
25
0.54
7
6
1.0
1695.5
1513.6
Analysis
52
Cape Town Open 2023 (Advanced)
2023/03/24
2023/03/26
Cape Town (WCT)
Standard
90
0.94
6
5
2.5
1726.9
1702.3
Analysis
51
Cape Winelands Schools Prestige 2023 (U15 Boys)
2023/03/11
2023/03/11
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.5
1726.9
1702.3
Analysis
50
Cape Winelands Schools Chess - Trials 1 2023 (U15 Boys)
2023/02/25
2023/02/25
Cape Winelands (WCW)
Standard
60
0.83
5
5
5.0
1715.0
1687.7
Analysis
49
Drakenstein Pioneers Club Championship 2022 (Open)
2022/09/20
2022/10/11
Cape Winelands (WCW)
Standard
60
0.83
5
1
0.0
1745.8
1724.9
Analysis
48
Western Cape Woman`s Championship 2022 (Open)
2022/09/02
2022/09/04
West Coast (WCU)
Standard
90
0.94
5
5
4.5
1723.7
1704.5
Analysis
47
2022 Western Province Club League (D)
2022/08/27
2022/10/01
Cape Town (WCT)
Standard
70
0.87
7
6
5.0
1745.8
1724.9
Analysis
46
Western Cape Schools 2022 (U13 Boys)
2022/05/28
2022/05/29
Cape Winelands (WCW)
Standard
65
0.85
6
6
5.5
1689.2
1671.8
Analysis
45
Drakenstein Pioneers Open 2022 (A)
2022/03/26
2022/03/26
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1581.7
1530.0
Analysis
44
Cape Winelands Schools 2022 (U13 Boys)
2022/03/12
2022/03/12
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.5
1581.7
1530.0
Analysis
43
Western Province Open 2022 (Advanced)
2022/02/25
2022/02/27
Cape Town (WCT)
Standard
90
0.94
6
5
3.5
1546.2
1483.7
Analysis
42
Central Winelands Schools Individual Trials 2022 (U13 Boys)
2022/02/19
2022/02/19
Cape Winelands (WCW)
Rapid
35
0.66
5
5
5.0
1546.2
1456.3
Analysis
41
Cape Winelands Open 2022 (Advanced)
2022/02/12
2022/02/13
Cape Winelands (WCW)
Standard
70
0.87
6
5
3.0
1546.2
1483.7
Analysis
1
2
3
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
17
8
3
6
9.5
55.9
50.0
1819.3
1869.3
White
8
3
1
4
3.5
43.8
-53.1
1790.2
1737.0
Black
9
5
2
2
6.0
66.7
141.7
1845.2
1986.9
Standard
All
11
4
3
4
5.5
50.0
0.0
1909.6
1909.6
White
5
2
1
2
2.5
50.0
0.0
1800.3
1800.3
Black
6
2
2
2
3.0
50.0
0.0
2000.7
2000.7
Rapid
All
6
4
0
2
4.0
66.7
141.7
1653.8
1795.5
White
3
1
0
2
1.0
33.3
-141.7
1773.4
1631.7
Black
3
3
0
0
3.0
100.0
425.0
1534.3
1959.3
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
344
225
32
87
241.0
70.1
170.5
1326.1
1496.6
White
166
103
19
44
112.5
67.8
151.1
1320.9
1471.9
Black
178
122
13
43
128.5
72.2
188.6
1331.0
1519.7
Standard
All
224
136
28
60
150.0
67.0
144.2
1361.3
1505.5
White
109
62
16
31
70.0
64.2
120.9
1352.8
1473.6
Black
115
74
12
29
80.0
69.6
166.3
1369.4
1535.7
Rapid
All
120
89
4
27
91.0
75.8
219.6
1260.4
1480.0
White
57
41
3
13
42.5
74.6
208.8
1259.8
1468.6
Black
63
48
1
14
48.5
77.0
229.4
1261.0
1490.3
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
109078336
Willis, C (Cronan)
9
7.0
7
0
2
77.8
1354.3
236.1
1590.4
View list
2
1100097431
Lielieveld, J (Jadrian)
8
7.0
6
2
0
87.5
1334.4
318.8
1653.2
View list
3
106082146
Kalimashe, K (Kamva)
4
4.0
4
0
0
100.0
1210.1
425.0
1635.1
View list
4
109076474
Palmer, J (Jesse)
4
4.0
4
0
0
100.0
1262.7
425.0
1687.7
View list
5
108083939
Rosenberg, W (Wagheed)
4
4.0
4
0
0
100.0
1583.3
425.0
2008.3
View list
6
108061372
Baruch, L (Liam)
4
0.0
0
0
4
0.0
1493.6
-425.0
1068.6
View list
7
110078333
Neethling, S (Sean)
3
3.0
3
0
0
100.0
1207.7
425.0
1632.7
View list
8
109078335
Samuels, R (Reagan)
3
3.0
3
0
0
100.0
1316.3
425.0
1741.3
View list
9
1100096729
Kruger, A (Aiden)
3
2.5
2
1
0
83.3
1582.8
283.3
1866.1
View list
10
109080788
Valentine, L (Luke)
3
2.5
2
1
0
83.3
1508.5
283.3
1791.9
View list
11
1860114057
Cunningham, L (Lezerick)
3
2.0
2
0
1
66.7
1387.5
141.7
1529.1
View list
12
194011931
Hartley, A (Ameen)
3
2.0
1
2
0
66.7
1563.0
141.7
1704.7
View list
13
105053760
Parenzee, E (Ethan)
3
1.5
1
1
1
50.0
1243.4
0.0
1243.4
View list
14
1050106200
Braaf, J (Jiraan)
3
1.0
1
0
2
33.3
1713.0
-141.7
1571.3
View list
15
105090611
Mnyasta, T (Tezihano)
3
1.0
0
2
1
33.3
1700.4
-141.7
1558.7
View list
16
109068118
Spiller, C (Caden)
3
0.5
0
1
2
16.7
1325.2
-283.3
1041.8
View list
17
106078288
Africa, G (Gillmore)
2
2.0
2
0
0
100.0
1440.5
425.0
1865.5
View list
18
106087799
Anthony, L (Liquel)
2
2.0
2
0
0
100.0
1368.6
425.0
1793.6
View list
19
108092101
Dicks, D (Drake)
2
2.0
2
0
0
100.0
1532.3
425.0
1957.3
View list
20
200007735
Du Plessis, AC (Anika)
2
2.0
2
0
0
100.0
1686.6
425.0
2111.6
View list