Chess South Africa
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Chess South Africa
Van Der Merwe, O (Oliver)
Dob:
2015/09/12 (U10)
Gender:
Male
Chess SA id:
1150136957
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2024/05/05 (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
Curent Raw rating
1518.8
Curent Weighted rating
1368.1
Curent Weighted performance
1506.6
Current official/published rating (highest between Raw, WR and WP)
1518.8
Current floor (min rating allowed)
1018.8
Current highest rating achieved
1518.8
Current K-factor
32
Games played this month
6
Score (S)
4.0
Expected score (We)
4.65
Difference (S-We)
-0.65
Current Raw change (no limits, including tournament time weight)
-17.3
Current min/max change allowed (with limits)
±105.3
Current Raw change used (final)
-17.3
Projected new Raw rating
1501.5
Projected new Weighed rating
1381.1
Projected new Weighted performance
1506.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1506.6
Projected effective change (new Official - current Official)
-12.2
Projected new highest rating
1518.8
Projected new floor
1018.8
Projected new K-facor
32
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
Curent Raw rating
1526.0
Curent Weighted rating
1358.8
Curent Weighted performance
1511.8
Current official/published rating (highest between Raw, WR and WP)
1526.0
Current floor (min rating allowed)
1026.0
Current highest rating achieved
1526.0
Current K-factor
32
Games played this month
6
Score (S)
4.0
Expected score (We)
5.14
Difference (S-We)
-1.14
Current Raw change (no limits, including tournament time weight)
-36.5
Current min/max change allowed (with limits)
±104.2
Current Raw change used (final)
-36.5
Projected new Raw rating
1489.5
Projected new Weighed rating
1371.3
Projected new Weighted performance
1511.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1511.8
Projected effective change (new Official - current Official)
-14.2
Projected new highest rating
1526.0
Projected new floor
1026.0
Projected new K-facor
32
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
Curent Raw rating
1230.0
Curent Weighted rating
1218.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1230.0
Current floor (min rating allowed)
730.0
Current highest rating achieved
1230.0
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)
±158.9
Current Raw change used (final)
0.0
Projected new Raw rating
1230.0
Projected new Weighed rating
1219.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1230.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1230.0
Projected new floor
730.0
Projected new K-facor
36
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
730.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
730.0
Projected new K-facor
36
Tournaments
History
Tournament:
Western Cape PS Individuals Championship 2024 (U9 Boys)
Start:
2024/05/04
End:
2024/05/05
Host:
WCU
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
6
Games:
6
Score:
4.0
Main rating:
1518.8
Rating gain/loss:
-17.3
Type rating:
1526.0
Rating gain/loss:
-36.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
6
Western Cape PS Individuals Championship 2024 (U9 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
4.0
1518.8
1526.0
Analysis
5
Eden Chess Trials 2 2024 (U10)
2024/04/13
2024/04/20
Eden (WEG)
Standard
60
0.83
10
10
7.0
1505.8
1511.0
Analysis
4
Eden School Chess Trials 1 2024 (U9 Boys)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1385.4
1385.9
Analysis
3
George Schools Trials 3 2024 (U9 Boys)
2024/03/02
2024/03/02
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1385.4
1385.9
Analysis
2
George Schools Trials 2 2024 (U9 Boys)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1313.2
1287.0
Analysis
1
George Schools Trials 1 2024 (U9 Boys)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
5
5.0
1313.2
1287.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
26
Western Cape PS Individuals Championship 2024 (U9 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
4.0
1518.8
1526.0
Analysis
25
Eden Chess Trials 2 2024 (U10)
2024/04/13
2024/04/20
Eden (WEG)
Standard
60
0.83
10
10
7.0
1505.8
1511.0
Analysis
24
Eden School Chess Trials 1 2024 (U9 Boys)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1385.4
1385.9
Analysis
23
George Schools Trials 3 2024 (U9 Boys)
2024/03/02
2024/03/02
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1385.4
1385.9
Analysis
22
George Schools Trials 2 2024 (U9 Boys)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1313.2
1287.0
Analysis
21
George Schools Trials 1 2024 (U9 Boys)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
5
5.0
1313.2
1287.0
Analysis
20
Eden Chess Union League 2023 (2nd Division)
2023/11/11
2023/11/11
Eden District (WEG)
Standard
60
0.83
5
4
2.0
1311.6
1280.0
Analysis
19
Mossel Bay Open 2023 (C)
2023/09/30
2023/09/30
Eden District (WEG)
Rapid
30
0.60
5
5
3.0
1396.1
1200.0
Analysis
18
Western Cape Top Schools 2023 (U9 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
5
0.0
1396.1
1388.8
Analysis
17
Eden Top Schools 2023 (U9 Mix)
2023/08/19
2023/08/19
Eden District (WEG)
Standard
60
0.83
5
4
3.0
1405.7
1405.8
Analysis
16
CW Top Schools 2023 (U10)
2023/08/12
2023/08/12
West Coast (WCU)
Standard
60
0.83
5
5
3.0
1405.7
1405.8
Analysis
15
Top Schools 2023 (U9)
2023/07/29
2023/07/29
Eden District (WEG)
Standard
60
0.83
5
4
3.0
1401.5
1401.3
Analysis
14
George Chess Club Winter Open 2023 (D)
2023/05/20
2023/05/20
Eden District (WEG)
Standard
60
0.83
5
5
3.5
1368.9
1371.4
Analysis
13
Western Cape PS Individuals 2023 (U9 Boys)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
3.0
1368.9
1371.4
Analysis
12
Eden Trials 2+3 2023 (U10)
2023/04/15
2023/05/13
Eden District (WEG)
Standard
60
0.83
10
10
7.0
1368.9
1371.4
Analysis
11
Eden Trails 1 2023 (U9 Boys)
2023/03/11
2023/03/11
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1362.3
1364.9
Analysis
10
George Chess Trials 3 2023 (U9 Boys)
2023/02/25
2023/02/25
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1305.2
1303.9
Analysis
9
George Chess Trials 2 2023 (U9 Boys)
2023/02/11
2023/02/11
Cape Town (WCT)
Standard
60
0.83
5
5
4.0
1305.2
1303.9
Analysis
8
George Chess Trials 1 2023 (U9 Boys)
2023/01/28
2023/01/28
Eden District (WEG)
Standard
60
0.83
5
5
2.5
1325.5
1328.4
Analysis
7
George Open 2022 (D)
2022/12/03
2022/12/03
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1302.9
1303.1
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
36
27
2
7
28.0
77.8
236.1
1284.9
1521.0
White
16
12
1
3
12.5
78.1
239.1
1269.3
1508.4
Black
20
15
1
4
15.5
77.5
233.8
1297.4
1531.1
Standard
All
36
27
2
7
28.0
77.8
236.1
1284.9
1521.0
White
16
12
1
3
12.5
78.1
239.1
1269.3
1508.4
Black
20
15
1
4
15.5
77.5
233.8
1297.4
1531.1
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
137
82
9
46
86.5
63.1
111.7
1261.3
1372.9
White
69
38
5
26
40.5
58.7
73.9
1271.4
1345.3
Black
68
44
4
20
46.0
67.6
150.0
1251.0
1401.0
Standard
All
132
79
9
44
83.5
63.3
112.7
1259.1
1371.8
White
67
37
5
25
39.5
59.0
76.1
1268.4
1344.5
Black
65
42
4
19
44.0
67.7
150.4
1249.6
1400.0
Rapid
All
5
3
0
2
3.0
60.0
85.0
1317.9
1402.9
White
2
1
0
1
1.0
50.0
0.0
1370.8
1370.8
Black
3
2
0
1
2.0
66.7
141.7
1282.6
1424.3
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
1150136955
Pfaff, J (Joel)
8
3.5
3
1
4
43.8
1264.9
-53.1
1211.7
View list
2
1140136596
Punt, C (Christiaan Rufus)
5
2.5
2
1
2
50.0
1375.5
0.0
1375.5
View list
3
1150149949
Oberholzer, M (Milan)
4
4.0
4
0
0
100.0
1377.4
425.0
1802.4
View list
4
1140136587
Fourie, J (John)
4
2.5
2
1
1
62.5
1340.5
106.3
1446.7
View list
5
1150136953
James, W (William)
4
2.5
2
1
1
62.5
1213.8
106.3
1320.1
View list
6
1150144675
Fritz, U (Ulysse)
4
1.5
1
1
2
37.5
1397.5
-106.3
1291.2
View list
7
1150136954
Mccabe, T (Thomas)
4
1.5
1
1
2
37.5
1183.0
-106.3
1076.8
View list
8
1150136956
Schimdt, S (Streicher)
3
0.5
0
1
2
16.7
1183.4
-283.3
900.1
View list
9
2150156961
Coleman, G (Gabriella)
2
2.0
2
0
0
100.0
1437.3
425.0
1862.3
View list
10
1140144672
Brewis, F (Fox)
2
2.0
2
0
0
100.0
1337.1
425.0
1762.1
View list
11
1160148063
Marner, L (Loannes)
2
2.0
2
0
0
100.0
1353.8
425.0
1778.8
View list
12
1160162391
Odendaal, D (Daniel)
2
2.0
2
0
0
100.0
1390.8
425.0
1815.8
View list
13
1150139119
Steenkamp, W (Willem)
2
2.0
2
0
0
100.0
1350.3
425.0
1775.3
View list
14
1160148815
Strydom, L (Liam)
2
2.0
2
0
0
100.0
1313.2
425.0
1738.2
View list
15
2150146763
Tieties, L (Lilanie)
2
2.0
2
0
0
100.0
1205.6
425.0
1630.6
View list
16
1160149945
Van Den Berg, T (Teagan)
2
2.0
2
0
0
100.0
1409.5
425.0
1834.5
View list
17
1150151115
Verster, J (Juan Marais)
2
2.0
2
0
0
100.0
1445.6
425.0
1870.6
View list
18
2160137731
Williams, M (Mackenzy)
2
2.0
2
0
0
100.0
1205.6
425.0
1630.6
View list
19
1150192964
Stoffels, C (Connor)
2
1.0
1
0
1
50.0
1385.4
0.0
1385.4
View list
20
1150137315
Thomson, M (Matthew)
2
1.0
1
0
1
50.0
1350.3
0.0
1350.3
View list