Chess South Africa
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Chess South Africa
Van Der Westhuizen, L (Leighton)
Dob:
2009/09/08 (U16)
Gender:
Male
Chess SA id:
1090109813
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2024/04/13 (72 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
1123.8
Current Weighted rating
1175.2
Current Weighted performance
962.1
Current official/published rating (highest between Raw, WR and WP)
1175.2
Current highest rating achieved
1261.4
Current floor (min rating allowed)
761.4
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)
±184.8
Current Raw change used (final)
0.0
Projected new Raw rating
1123.8
Projected new Weighed rating
1081.2
Projected new Weighted performance
962.1
Projected new final Raw rating (if new WP > new Raw)
1123.8
Projected new highest rating
1261.4
Projected new floor
761.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1123.8
Projected effective change (new Official - current Official)
-51.4
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
1101.2
Current Weighted rating
1155.2
Current Weighted performance
962.1
Current official/published rating (highest between Raw, WR and WP)
1155.2
Current highest rating achieved
1274.0
Current floor (min rating allowed)
774.0
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)
±190.9
Current Raw change used (final)
0.0
Projected new Raw rating
1101.2
Projected new Weighed rating
1062.6
Projected new Weighted performance
962.1
Projected new final Raw rating (if new WP > new Raw)
1101.2
Projected new highest rating
1274.0
Projected new floor
774.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1101.2
Projected effective change (new Official - current Official)
-54.0
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
1223.2
Current Weighted rating
1213.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1223.2
Current highest rating achieved
1223.2
Current floor (min rating allowed)
723.2
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)
±160.4
Current Raw change used (final)
0.0
Projected new Raw rating
1223.2
Projected new Weighed rating
1117.2
Projected new Weighted performance
458.3
Projected new final Raw rating (if new WP > new Raw)
1223.2
Projected new highest rating
1223.2
Projected new floor
723.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1223.2
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
Vaalpark Primary Chess Open 2024 (B)
2024/04/13
2024/04/13
Sedibeng (GSV)
Standard
60
0.83
5
3
0.0
1171.9
1158.4
Analysis
3
NG Kerk Vanderbijlpark Suid 2024 (C)
2024/02/24
2024/02/24
Sedibeng (GSV)
Standard
61
0.84
5
5
2.0
1130.4
1094.0
Analysis
2
Laerskool Midvaal Chess Open Section 2024 (C)
2024/02/10
2024/02/10
Sedibeng (GSV)
Standard
61
0.84
5
5
3.0
1130.4
1094.0
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U16C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
0.0
1198.4
1162.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
14
Vaalpark Primary Chess Open 2024 (B)
2024/04/13
2024/04/13
Sedibeng (GSV)
Standard
60
0.83
5
3
0.0
1171.9
1158.4
Analysis
13
NG Kerk Vanderbijlpark Suid 2024 (C)
2024/02/24
2024/02/24
Sedibeng (GSV)
Standard
61
0.84
5
5
2.0
1130.4
1094.0
Analysis
12
Laerskool Midvaal Chess Open Section 2024 (C)
2024/02/10
2024/02/10
Sedibeng (GSV)
Standard
61
0.84
5
5
3.0
1130.4
1094.0
Analysis
11
2024 Gauteng Inter-Region Chess Championship (U16C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
0.0
1198.4
1162.8
Analysis
10
Queens Gambit Chess Open 2023 (C)
2023/11/25
2023/11/25
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
1197.2
1152.0
Analysis
9
Dr Pieter Hangelbroek Rapid 2023 (B)
2023/10/28
2023/10/28
Sedibeng (GSV)
Rapid
30
0.60
5
5
3.0
1217.3
1200.0
Analysis
8
NWU Vaal Open 2023 (B)
2023/10/14
2023/10/14
Sedibeng (GSV)
Standard
61
0.83
5
4
0.0
1217.3
1218.2
Analysis
7
Gauteng Schools D7 2023 (U15 Boys)
2023/05/20
2023/05/20
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1207.1
1206.0
Analysis
6
Overvaal Open 2023 (C)
2023/04/15
2023/04/15
Sedibeng (GSV)
Standard
60
0.83
5
5
2.5
1199.6
1198.4
Analysis
5
AG Visser Open 2023 (C)
2023/02/18
2023/02/18
Sedibeng (GSV)
Standard
60
0.83
5
5
4.0
1148.2
1130.0
Analysis
4
Heidelberg Open 2023 (A)
2023/02/04
2023/02/04
Sedibeng (GSV)
Standard
60
0.83
5
3
0.0
1148.2
1130.0
Analysis
3
Midvaal Chess Open 2020 (B)
2020/01/25
2020/01/25
Sedibeng (GSV)
Standard
61
0.83
5
5
0.0
1242.6
1248.4
Analysis
2
D7 Primary School League 2019 (U11)
2019/08/03
2019/08/03
Sedibeng (GSV)
Standard
60
0.83
5
4
2.0
1261.4
1274.0
Analysis
1
AG Visser Skaak Ope 2019 (I)
2019/02/23
2019/02/23
Sedibeng (GSV)
Standard
61
0.83
5
5
4.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
18
5
0
13
5.0
27.8
-188.9
1239.6
1050.7
White
9
1
0
8
1.0
11.1
-330.6
1265.2
934.6
Black
9
4
0
5
4.0
44.4
-47.2
1214.0
1166.8
Standard
All
18
5
0
13
5.0
27.8
-188.9
1239.6
1050.7
White
9
1
0
8
1.0
11.1
-330.6
1265.2
934.6
Black
9
4
0
5
4.0
44.4
-47.2
1214.0
1166.8
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
64
25
2
37
26.0
40.6
-79.7
1242.8
1163.1
White
31
14
1
16
14.5
46.8
-27.4
1248.5
1221.1
Black
33
11
1
21
11.5
34.8
-128.8
1237.3
1108.6
Standard
All
59
22
2
35
23.0
39.0
-93.6
1228.3
1134.7
White
28
12
1
15
12.5
44.6
-45.5
1231.7
1186.1
Black
31
10
1
20
10.5
33.9
-137.1
1225.3
1088.2
Rapid
All
5
3
0
2
3.0
60.0
85.0
1413.0
1498.0
White
3
2
0
1
2.0
66.7
141.7
1405.6
1547.3
Black
2
1
0
1
1.0
50.0
0.0
1424.2
1424.2
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
1110151858
Van De Venter, Z (Zandre)
3
0.0
0
0
3
0.0
1181.6
-425.0
756.6
View list
2
1100114958
Fourie, L (Lucius)
2
2.0
2
0
0
100.0
1163.8
425.0
1588.8
View list
3
2110138272
Campher, H (Hannah)
2
1.0
1
0
1
50.0
1173.8
0.0
1173.8
View list
4
108092849
Majola, O (Omphile)
2
0.0
0
0
2
0.0
1208.4
-425.0
783.4
View list
5
1130140211
Bezuidenhout, M (Marlo)
1
1.0
1
0
0
100.0
1148.2
425.0
1573.2
View list
6
108080726
Howat, LC (Logan)
1
1.0
1
0
0
100.0
1217.3
425.0
1642.3
View list
7
1110103524
Kotzee, A (Armand)
1
1.0
1
0
0
100.0
1217.3
425.0
1642.3
View list
8
2130144760
Buchebner, M (Mikayla)
1
1.0
1
0
0
100.0
1130.4
425.0
1555.4
View list
9
109076176
Coetzee, J (Jaco)
1
1.0
1
0
0
100.0
1261.4
425.0
1686.4
View list
10
2130144761
Coetzer, A (Ashlynn)
1
1.0
1
0
0
100.0
1148.2
425.0
1573.2
View list
11
1090155852
Mashinini, K (Kamohelo)
1
1.0
1
0
0
100.0
1207.1
425.0
1632.1
View list
12
1090141898
Mojaju, K (Kelebokgile)
1
1.0
1
0
0
100.0
1199.6
425.0
1624.6
View list
13
2100143398
Morajane, N (Nothile)
1
1.0
1
0
0
100.0
1197.2
425.0
1622.2
View list
14
107086028
Mtambo, B (Bokang)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
15
207087959
Nel, SL (Sydney)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
16
1080116893
Rossouw, J (Jacque)
1
1.0
1
0
0
100.0
1261.4
425.0
1686.4
View list
17
2100119737
Shen Yu, C (Caroline)
1
1.0
1
0
0
100.0
1148.2
425.0
1573.2
View list
18
1100109812
Sibanda, S (Sheedon)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
19
1080154689
Smayile, A (Anje)
1
1.0
1
0
0
100.0
1207.1
425.0
1632.1
View list
20
1090144722
Tsepang, S (Sekhoto)
1
1.0
1
0
0
100.0
1207.1
425.0
1632.1
View list