Chess South Africa
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Chess South Africa
Grobbelaar, M (Marlo)
Dob:
2016/01/07 (U10)
Gender:
Male
Chess SA id:
1160159271
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Last active:
2024/09/14 (61 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
1130.6
Current Weighted rating
1199.7
Current Weighted performance
1013.0
Current official/published rating (highest between Raw, WR and WP)
1199.7
Current highest rating achieved
1239.6
Current floor (min rating allowed)
739.6
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)
±183.0
Current Raw change used (final)
0.0
Projected new Raw rating
1130.6
Projected new Weighed rating
1103.4
Projected new Weighted performance
1013.0
Projected new final Raw rating (if new WP > new Raw)
1130.6
Projected new highest rating
1239.6
Projected new floor
739.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1130.6
Projected effective change (new Official - current Official)
-69.1
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
1113.9
Current Weighted rating
1201.2
Current Weighted performance
981.6
Current official/published rating (highest between Raw, WR and WP)
1201.2
Current highest rating achieved
1248.2
Current floor (min rating allowed)
748.2
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)
±187.5
Current Raw change used (final)
0.0
Projected new Raw rating
1113.9
Projected new Weighed rating
1104.7
Projected new Weighted performance
981.6
Projected new final Raw rating (if new WP > new Raw)
1113.9
Projected new highest rating
1248.2
Projected new floor
748.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1113.9
Projected effective change (new Official - current Official)
-87.3
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
1205.4
Current Weighted rating
1208.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1208.3
Current highest rating achieved
1216.9
Current floor (min rating allowed)
716.9
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)
±164.5
Current Raw change used (final)
0.0
Projected new Raw rating
1205.4
Projected new Weighed rating
1111.9
Projected new Weighted performance
1050.1
Projected new final Raw rating (if new WP > new Raw)
1205.4
Projected new highest rating
1216.9
Projected new floor
716.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1205.4
Projected effective change (new Official - current Official)
-2.9
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
7
Kingsway Chess Open 2024 (U8)
2024/09/14
2024/09/14
Overberg (WOS)
Rapid
20
0.47
6
5
2.0
1187.9
1216.9
Analysis
6
Western Cape Top Schools Championship 2024 (U9 Mixed)
2024/08/30
2024/09/01
Eden (WEG)
Standard
60
0.83
6
5
0.0
1187.9
1183.0
Analysis
5
Overberg Schools - Top Schools 2024 (U7+U9 Mixed)
2024/07/27
2024/07/27
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1210.3
1211.1
Analysis
4
Western Cape PS Individuals Championship 2024 (U9 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
5
1.0
1239.6
1248.2
Analysis
3
Overberg Schools - PS Closed 2024 (U9 Boys)
2024/03/16
2024/03/16
Overberg (WOS)
Standard
60
0.83
5
5
3.0
1218.3
1233.1
Analysis
2
Overberg Schools - PS Trials Region 3 2024 (U9 Boys)
2024/03/02
2024/03/02
Overberg (WOS)
Rapid
30
0.60
5
5
3.0
1218.3
1200.0
Analysis
1
Overberg Open Rapid 2024 (U7+U9)
2024/01/27
2024/01/27
Overberg (WOS)
Rapid
20
0.47
5
5
2.0
1222.5
1205.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
10
Kingsway Chess Open 2024 (U8)
2024/09/14
2024/09/14
Overberg (WOS)
Rapid
20
0.47
6
5
2.0
1187.9
1216.9
Analysis
9
Western Cape Top Schools Championship 2024 (U9 Mixed)
2024/08/30
2024/09/01
Eden (WEG)
Standard
60
0.83
6
5
0.0
1187.9
1183.0
Analysis
8
Overberg Schools - Top Schools 2024 (U7+U9 Mixed)
2024/07/27
2024/07/27
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1210.3
1211.1
Analysis
7
Western Cape PS Individuals Championship 2024 (U9 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
5
1.0
1239.6
1248.2
Analysis
6
Overberg Schools - PS Closed 2024 (U9 Boys)
2024/03/16
2024/03/16
Overberg (WOS)
Standard
60
0.83
5
5
3.0
1218.3
1233.1
Analysis
5
Overberg Schools - PS Trials Region 3 2024 (U9 Boys)
2024/03/02
2024/03/02
Overberg (WOS)
Rapid
30
0.60
5
5
3.0
1218.3
1200.0
Analysis
4
Overberg Open Rapid 2024 (U7+U9)
2024/01/27
2024/01/27
Overberg (WOS)
Rapid
20
0.47
5
5
2.0
1222.5
1205.4
Analysis
3
Kingsway Open 2023 (U8)
2023/10/28
2023/10/28
Overberg (WOS)
Rapid
20
0.47
5
5
2.5
1223.3
1200.0
Analysis
2
Western Cape Top Schools 2023 (U7 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
5
2
2.0
1198.8
1200.0
Analysis
1
Overberg Top Schools 2023 (U7+U9)
2023/08/05
2023/08/05
Overberg (WOS)
Standard
60
0.83
5
5
2.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
35
13
0
22
13.0
37.1
-109.3
1244.0
1134.7
White
16
6
0
10
6.0
37.5
-106.3
1239.6
1133.4
Black
19
7
0
12
7.0
36.8
-111.8
1247.6
1135.8
Standard
All
20
6
0
14
6.0
30.0
-170.0
1245.8
1075.8
White
9
3
0
6
3.0
33.3
-141.7
1233.5
1091.8
Black
11
3
0
8
3.0
27.3
-193.2
1255.8
1062.7
Rapid
All
15
7
0
8
7.0
46.7
-28.3
1241.6
1213.2
White
7
3
0
4
3.0
42.9
-60.7
1247.5
1186.8
Black
8
4
0
4
4.0
50.0
0.0
1236.4
1236.4
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
47
18
4
25
20.0
42.6
-63.3
1230.4
1167.1
White
22
10
1
11
10.5
47.7
-19.3
1222.7
1203.4
Black
25
8
3
14
9.5
38.0
-102.0
1237.2
1135.2
Standard
All
27
9
3
15
10.5
38.9
-94.4
1228.2
1133.7
White
13
5
1
7
5.5
42.3
-65.4
1216.6
1151.2
Black
14
4
2
8
5.0
35.7
-121.4
1238.9
1117.5
Rapid
All
20
9
1
10
9.5
47.5
-21.3
1233.4
1212.2
White
9
5
0
4
5.0
55.6
47.2
1231.5
1278.7
Black
11
4
1
6
4.5
40.9
-77.3
1235.1
1157.8
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
1160152344
Faasen, C (Charles)
4
2.0
1
2
1
50.0
1208.4
0.0
1208.4
View list
2
1160159275
Kuhn, D (Dian)
3
1.0
1
0
2
33.3
1206.9
-141.7
1065.2
View list
3
1160152343
Du Preez, J (Janco)
2
2.0
2
0
0
100.0
1220.8
425.0
1645.8
View list
4
1160300091
Grieb, N (Nathan)
2
1.0
1
0
1
50.0
1228.9
0.0
1228.9
View list
5
1150152348
Du Plessis, E (Eben)
2
0.0
0
0
2
0.0
1199.1
-425.0
774.1
View list
6
1150300090
Coetzee, M (Milan)
1
1.0
1
0
0
100.0
1218.3
425.0
1643.3
View list
7
1150150061
Buhr, W (Wilhelm)
1
1.0
1
0
0
100.0
1218.3
425.0
1643.3
View list
8
2160300104
Barnard, L (Leanke)
1
1.0
1
0
0
100.0
1210.3
425.0
1635.3
View list
9
1160151357
Adshade, J (Josua Daniel)
1
1.0
1
0
0
100.0
1210.3
425.0
1635.3
View list
10
1170191692
Henning, A (Alex)
1
1.0
1
0
0
100.0
1222.5
425.0
1647.5
View list
11
1160161827
Heasman, J (Jd)
1
1.0
1
0
0
100.0
1198.8
425.0
1623.8
View list
12
2160157861
Kotze, M (Mirah)
1
1.0
1
0
0
100.0
1198.8
425.0
1623.8
View list
13
2110159243
Monroe, C (Chloe)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
1150300095
Myburgh, J (Joshua)
1
1.0
1
0
0
100.0
1218.3
425.0
1643.3
View list
15
1150300098
Oosthuizen, D (Daniel)
1
1.0
1
0
0
100.0
1218.3
425.0
1643.3
View list
16
1150150067
Otto, X (Xavier)
1
1.0
1
0
0
100.0
1218.3
425.0
1643.3
View list
17
2160311147
Sikolo, S (Sithandiwe)
1
1.0
1
0
0
100.0
1187.9
425.0
1612.9
View list
18
1150151365
Stodart, D (Daniƫl)
1
1.0
1
0
0
100.0
1223.3
425.0
1648.3
View list
19
2140159276
Le Roux, C (Carmen)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
20
1140145280
Nel, C (Caleb)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list