Chess South Africa
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Chess South Africa
Van Der Merwe, L (Luan Rudolf Johanne)
Dob:
2011/12/21 (U14)
Gender:
Male
Chess SA id:
1110147448
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Last active:
2024/06/08 (9 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
1106.8
Current Weighted rating
1114.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1114.6
Current highest rating achieved
1149.4
Current floor (min rating allowed)
649.4
Current K-factor
40
Games played this month
6
Score (S)
2.0
Expected score (We)
2.15
Difference (S-We)
-0.10
Current Raw change (no limits, including tournament time weight)
-4.0
Current min/max change allowed (with limits)
±189.4
Current Raw change used (final)
-4.0
Projected new Raw rating
1102.8
Projected new Weighed rating
1024.1
Projected new Weighted performance
958.3
Projected new final Raw rating (if new WP > new Raw)
1102.8
Projected new highest rating
1149.4
Projected new floor
649.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1102.8
Projected effective change (new Official - current Official)
-11.7
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
1138.8
Current Weighted rating
1158.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1158.1
Current highest rating achieved
1140.4
Current floor (min rating allowed)
640.4
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)
±180.9
Current Raw change used (final)
0.0
Projected new Raw rating
1138.8
Projected new Weighed rating
1064.3
Projected new Weighted performance
598.9
Projected new final Raw rating (if new WP > new Raw)
1138.8
Projected new highest rating
1140.4
Projected new floor
640.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1138.8
Projected effective change (new Official - current Official)
-19.3
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
1100.8
Current Weighted rating
1104.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1104.3
Current highest rating achieved
1116.4
Current floor (min rating allowed)
616.4
Current K-factor
40
s
Games played this month
6
Score (S)
2.0
Expected score (We)
1.98
Difference (S-We)
0.02
Current Raw change (no limits, including tournament time weight)
0.8
Current min/max change allowed (with limits)
±191.0
Current Raw change used (final)
0.8
Projected new Raw rating
1101.6
Projected new Weighed rating
1015.0
Projected new Weighted performance
711.7
Projected new final Raw rating (if new WP > new Raw)
1101.6
Projected new highest rating
1116.4
Projected new floor
616.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1101.6
Projected effective change (new Official - current Official)
-2.7
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
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
Tournament:
Western Cape - Brian Raubenheimer Development Tournament 2024 (U13 Boys)
Start:
2024/06/08
End:
2024/06/08
Host:
WOS
Type:
Rapid
Time:
35
Time weight:
0.66
Rounds:
6
Games:
6
Score:
2.0
Main rating:
1106.8
Rating gain/loss:
-4.0
Type rating:
1100.8
Rating gain/loss:
0.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
Western Cape - Brian Raubenheimer Development Tournament 2024 (U13 Boys)
2024/06/08
2024/06/08
Overberg (WOS)
Rapid
35
0.66
6
6
2.0
1106.8
1100.8
Analysis
1
Overberg Schools - PS Closed 2024 (U13 Boys)
2024/03/16
2024/03/16
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1099.5
1140.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
Western Cape - Brian Raubenheimer Development Tournament 2024 (U13 Boys)
2024/06/08
2024/06/08
Overberg (WOS)
Rapid
35
0.66
6
6
2.0
1106.8
1100.8
Analysis
4
Overberg Schools - PS Closed 2024 (U13 Boys)
2024/03/16
2024/03/16
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1099.5
1140.4
Analysis
3
Overberg Top Schools 2023 (U13)
2023/08/05
2023/08/05
Overberg (WOS)
Standard
60
0.83
5
5
1.5
1134.4
1200.0
Analysis
2
Overberg Schools Bredasdorp Zone Trails 2023 (U13)
2023/02/16
2023/03/02
Overberg (WOS)
Rapid
20
0.47
6
6
2.0
1149.4
1116.4
Analysis
1
Metro Rapid 2022 (U11 Boys)
2022/10/22
2022/10/22
Cape Town (WCT)
Rapid
30
0.60
5
4
0.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
11
4
0
7
4.0
36.4
-115.9
1229.0
1113.1
White
6
2
0
4
2.0
33.3
-141.7
1236.3
1094.6
Black
5
2
0
3
2.0
40.0
-85.0
1220.4
1135.4
Standard
All
5
2
0
3
2.0
40.0
-85.0
1230.7
1145.7
White
3
1
0
2
1.0
33.3
-141.7
1238.1
1096.4
Black
2
1
0
1
1.0
50.0
0.0
1219.7
1219.7
Rapid
All
6
2
0
4
2.0
33.3
-141.7
1227.6
1086.0
White
3
1
0
2
1.0
33.3
-141.7
1234.4
1092.8
Black
3
1
0
2
1.0
33.3
-141.7
1220.9
1079.2
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
26
7
1
18
7.5
28.8
-179.8
1190.9
1011.1
White
14
3
1
10
3.5
25.0
-212.5
1167.5
955.0
Black
12
4
0
8
4.0
33.3
-141.7
1218.2
1076.5
Standard
All
10
3
1
6
3.5
35.0
-127.5
1182.2
1054.7
White
6
2
1
3
2.5
41.7
-70.8
1138.6
1067.8
Black
4
1
0
3
1.0
25.0
-212.5
1247.7
1035.2
Rapid
All
16
4
0
12
4.0
25.0
-212.5
1196.3
983.8
White
8
1
0
7
1.0
12.5
-318.8
1189.2
870.4
Black
8
3
0
5
3.0
37.5
-106.3
1203.5
1097.2
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
1120159234
Nceka, B (Brandon)
2
1.0
1
0
1
50.0
1103.2
0.0
1103.2
View list
2
1100151344
Dirroow, A (Abdi)
1
1.0
1
0
0
100.0
1149.4
425.0
1574.4
View list
3
1120100598
Ellman, A (Andries)
1
1.0
1
0
0
100.0
1106.8
425.0
1531.8
View list
4
1110138425
Liebenberg, J (Junior)
1
1.0
1
0
0
100.0
1134.4
425.0
1559.4
View list
5
1110106824
Scholtz, F (Francois)
1
1.0
1
0
0
100.0
1099.5
425.0
1524.5
View list
6
1100151349
Omar, A (Abdullah)
1
1.0
1
0
0
100.0
1149.4
425.0
1574.4
View list
7
1110151353
Swart, J (Jayden)
1
1.0
1
0
0
100.0
1099.5
425.0
1524.5
View list
8
1100138471
Vogel, Z (Zander)
1
0.5
0
1
0
50.0
1134.4
0.0
1134.4
View list
9
1110133353
Swart, E (Eon)
1
0.0
0
0
1
0.0
1134.4
-425.0
709.4
View list
10
1110143642
Mokhele, A (Anganathi)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
1110143640
Madlala, B (Bonginkosi)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
12
2100111335
Macamba, L (Liso)
1
0.0
0
0
1
0.0
1134.4
-425.0
709.4
View list
13
1110099716
Maarman, B (Blayden)
1
0.0
0
0
1
0.0
1106.8
-425.0
681.8
View list
14
1100151347
Liebenberg, C (Christiaan)
1
0.0
0
0
1
0.0
1149.4
-425.0
724.4
View list
15
1110147435
Kramer, R (Ruan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
16
1100111302
Hansen, D (Damian)
1
0.0
0
0
1
0.0
1149.4
-425.0
724.4
View list
17
1110305053
Groenewald, O (Oscar)
1
0.0
0
0
1
0.0
1106.8
-425.0
681.8
View list
18
110089015
Duminy, M (Marc)
1
0.0
0
0
1
0.0
1134.4
-425.0
709.4
View list
19
1110130188
Du Plessis, J (Jan-Dawid)
1
0.0
0
0
1
0.0
1099.5
-425.0
674.5
View list
20
1110151339
Dreyer, C (Christiano)
1
0.0
0
0
1
0.0
1149.4
-425.0
724.4
View list