Chess South Africa
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Chess South Africa
Bosman, L (Louis Willem)
Dob:
2010/12/09 (U16)
Gender:
Male
Chess SA id:
1100096158
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2023/01/28 (588 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
1392.5
Current Weighted rating
1391.8
Current Weighted performance
1035.0
Current official/published rating (highest between Raw, WR and WP)
1392.5
Current highest rating achieved
1392.5
Current floor (min rating allowed)
892.5
Current K-factor
36
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)
±126.0
Current Raw change used (final)
0.0
Projected new Raw rating
1392.5
Projected new Weighed rating
1280.7
Projected new Weighted performance
1035.0
Projected new final Raw rating (if new WP > new Raw)
1392.5
Projected new highest rating
1392.5
Projected new floor
892.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1392.5
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
1363.4
Current Weighted rating
1363.4
Current Weighted performance
977.1
Current official/published rating (highest between Raw, WR and WP)
1363.4
Current highest rating achieved
1363.4
Current floor (min rating allowed)
863.4
Current K-factor
36
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)
±131.4
Current Raw change used (final)
0.0
Projected new Raw rating
1363.4
Projected new Weighed rating
1254.3
Projected new Weighted performance
977.1
Projected new final Raw rating (if new WP > new Raw)
1363.4
Projected new highest rating
1363.4
Projected new floor
863.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1363.4
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
1329.2
Current Weighted rating
1327.9
Current Weighted performance
991.4
Current official/published rating (highest between Raw, WR and WP)
1329.2
Current highest rating achieved
1329.2
Current floor (min rating allowed)
829.2
Current K-factor
36
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)
±137.9
Current Raw change used (final)
0.0
Projected new Raw rating
1329.2
Projected new Weighed rating
1222.2
Projected new Weighted performance
991.4
Projected new final Raw rating (if new WP > new Raw)
1329.2
Projected new highest rating
1329.2
Projected new floor
829.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1329.2
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
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
35
Cape of Good Hope Open 2023 (U14)
2023/01/28
2023/01/28
Cape Town (WCT)
Rapid
25
0.54
6
6
4.0
1356.7
1262.6
Analysis
34
Western Cape Schools 2022 (U13 Boys)
2022/05/28
2022/05/29
Cape Winelands (WCW)
Standard
65
0.85
6
6
3.5
1339.0
1346.5
Analysis
33
Metro WP Schools Chess Trials 2022 (U13 Boys)
2022/04/22
2022/04/23
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1358.6
1342.9
Analysis
32
OCF Open 2022 (U14)
2022/04/09
2022/04/09
Overberg (WOS)
Rapid
30
0.60
5
5
2.0
1358.6
1318.0
Analysis
31
2022 East Dist Individuals (U13)
2022/03/12
2022/03/12
Cape Town (WCT)
Rapid
45
0.74
6
6
4.0
1362.3
1309.4
Analysis
30
Western Province Open 2022 (U14)
2022/02/26
2022/02/27
Cape Town (WCT)
Standard
70
0.87
6
6
4.5
1335.1
1310.5
Analysis
29
2022 Cape Of Good Hope Open (U14)
2022/01/29
2022/01/30
Cape Town (WCT)
Standard
70
0.87
6
6
4.0
1352.3
1328.1
Analysis
28
Kraaifontein Open 2022 (U12)
2022/01/08
2022/01/09
Cape Town (WCT)
Standard
70
0.87
6
6
2.5
1352.3
1328.1
Analysis
27
Western Cape Schools 2021 (U11 Boys)
2021/10/23
2021/10/23
Overberg (WOS)
Rapid
35
0.66
5
5
3.5
1343.5
1287.4
Analysis
26
2020 Metro Trials (U11 Boys)
2020/03/13
2020/03/14
Cape Town (WCT)
Standard
60
0.83
5
5
3.0
1328.6
1271.4
Analysis
25
OCF Chess Tournament 3 2020 (U12)
2020/03/07
2020/03/07
Overberg (WOS)
Standard
60
0.83
5
5
3.0
1328.6
1271.4
Analysis
24
2020 Welgemoed Chess Challenge (U12)
2020/02/29
2020/02/29
Cape Town (WCT)
Rapid
30
0.60
5
5
4.0
1197.6
1242.0
Analysis
23
2020 Central District (U11)
2020/02/07
2020/02/08
Cape Town (WCT)
Standard
60
0.83
6
6
4.5
1197.6
1162.0
Analysis
22
OCF Chess Tournament 2 2020 (U12)
2020/02/01
2020/02/01
Overberg (WOS)
Standard
60
0.83
5
5
3.0
1197.6
1162.0
Analysis
21
OCF Open 2020 (U8+U10)
2020/01/25
2020/01/25
Overberg (WOS)
Rapid
15
0.39
5
5
4.0
1246.6
1180.4
Analysis
20
2019 Wild Card Chess Championship (U10 Open)
2020/01/09
2020/01/12
4 Knights (4K)
Standard
120
1.00
7
7
2.0
1246.6
1221.0
Analysis
19
2019 South African Junior Team Championships (U10B)
2020/01/08
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
3.0
1246.6
1221.0
Analysis
18
The Manhattan Sweets & Super C National Chess Tournament 2019 (U9)
2019/09/06
2019/09/07
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.0
1246.0
1216.3
Analysis
17
South African Schools Individuals Chess Championships 2019 (U11 Open)
2019/06/18
2019/06/21
Frances Baard (NCF)
Standard
60
0.83
7
7
3.0
1245.1
1208.7
Analysis
16
Western Cape Schools Individuals 2019 (U9 Boys)
2019/05/18
2019/05/19
Eden District (WEG)
Standard
60
0.83
6
6
4.0
1223.9
1179.2
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
Standard
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
Rapid
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
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
192
98
19
75
107.5
56.0
50.9
1206.4
1257.3
White
95
50
6
39
53.0
55.8
49.2
1218.7
1267.9
Black
97
48
13
36
54.5
56.2
52.6
1194.4
1247.0
Standard
All
134
64
15
55
71.5
53.4
28.5
1212.2
1240.8
White
65
31
6
28
34.0
52.3
19.6
1221.8
1241.4
Black
69
33
9
27
37.5
54.3
37.0
1203.2
1240.2
Rapid
All
58
34
4
20
36.0
62.1
102.6
1193.0
1295.6
White
30
19
0
11
19.0
63.3
113.3
1212.0
1325.4
Black
28
15
4
9
17.0
60.7
91.1
1172.7
1263.8
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
1110104004
Shapiro, M (Matthew)
6
2.5
2
1
3
41.7
1143.7
-70.8
1072.9
View list
2
110094681
Meyer, M (Matthew)
6
2.0
2
0
4
33.3
1300.3
-141.7
1158.7
View list
3
109087781
Bosman, P (Petrus)
5
0.0
0
0
5
0.0
1257.0
-425.0
832.0
View list
4
1100118990
Cockin, R (Ruan)
3
3.0
3
0
0
100.0
1310.4
425.0
1735.4
View list
5
110085173
Mcquire, M (Mikael)
3
2.0
2
0
1
66.7
1150.0
141.7
1291.6
View list
6
1100118923
Mackenzie, T (Tayden)
3
1.0
1
0
2
33.3
1222.2
-141.7
1080.5
View list
7
1110132058
Braaf, J (Jordan)
2
2.0
2
0
0
100.0
1354.5
425.0
1779.5
View list
8
1100106743
Joubert, L (Liam)
2
2.0
2
0
0
100.0
1228.6
425.0
1653.6
View list
9
1100116672
Kiessling, K (Kai)
2
2.0
2
0
0
100.0
1222.1
425.0
1647.1
View list
10
1100097518
Lappeman, L (Liam)
2
2.0
2
0
0
100.0
1198.8
425.0
1623.8
View list
11
1090137753
Mairosi, D (Dylan)
2
2.0
2
0
0
100.0
1346.8
425.0
1771.8
View list
12
109092070
Wilson, J (James)
2
2.0
2
0
0
100.0
1343.7
425.0
1768.7
View list
13
2100118009
De Villiers, L (Lienka)
2
1.5
1
1
0
75.0
1343.7
212.5
1556.2
View list
14
1090130919
Chisholm, G (Griffin)
2
1.0
1
0
1
50.0
1197.6
0.0
1197.6
View list
15
1090134392
Amar, J (James)
2
1.0
1
0
1
50.0
1343.7
0.0
1343.7
View list
16
2100109061
Ebrahim, N (Nabeelah)
2
1.0
1
0
1
50.0
1345.9
0.0
1345.9
View list
17
1110096082
Edwards, I (Israel)
2
1.0
1
0
1
50.0
1232.9
0.0
1232.9
View list
18
209095311
Grove, E (Emily)
2
1.0
1
0
1
50.0
1232.9
0.0
1232.9
View list
19
1100108074
Huesmann, R (Ryan)
2
1.0
1
0
1
50.0
1215.4
0.0
1215.4
View list
20
1080100504
Neutt, E (Ezra)
2
1.0
1
0
1
50.0
1190.5
0.0
1190.5
View list