Chess South Africa
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Chess South Africa
Robertson, M (Marvin)
Dob:
2014/07/12 (U12)
Gender:
Male
Chess SA id:
1140137570
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2024/05/05 (16 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
1469.3
Curent Weighted rating
1412.0
Curent Weighted performance
1357.3
Current official/published rating (highest between Raw, WR and WP)
1469.3
Current floor (min rating allowed)
985.9
Current highest rating achieved
1485.9
Current K-factor
32
Games played this month
6
Score (S)
3.0
Expected score (We)
4.23
Difference (S-We)
-1.23
Current Raw change (no limits, including tournament time weight)
-32.7
Current min/max change allowed (with limits)
±113.0
Current Raw change used (final)
-32.7
Projected new Raw rating
1436.6
Projected new Weighed rating
1417.7
Projected new Weighted performance
1357.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1436.6
Projected effective change (new Official - current Official)
-32.7
Projected new highest rating
1485.9
Projected new floor
985.9
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
1389.4
Curent Weighted rating
1322.3
Curent Weighted performance
1359.4
Current official/published rating (highest between Raw, WR and WP)
1389.4
Current floor (min rating allowed)
889.4
Current highest rating achieved
1389.4
Current K-factor
36
Games played this month
6
Score (S)
3.0
Expected score (We)
4.03
Difference (S-We)
-1.03
Current Raw change (no limits, including tournament time weight)
-37.1
Current min/max change allowed (with limits)
±126.6
Current Raw change used (final)
-37.1
Projected new Raw rating
1352.3
Projected new Weighed rating
1326.6
Projected new Weighted performance
1359.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1359.4
Projected effective change (new Official - current Official)
-30.0
Projected new highest rating
1389.4
Projected new floor
889.4
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
1496.2
Curent Weighted rating
1476.1
Curent Weighted performance
1414.5
Current official/published rating (highest between Raw, WR and WP)
1496.2
Current floor (min rating allowed)
1047.7
Current highest rating achieved
1547.7
Current K-factor
32
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)
±108.7
Current Raw change used (final)
0.0
Projected new Raw rating
1496.2
Projected new Weighed rating
1481.6
Projected new Weighted performance
1414.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1496.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1547.7
Projected new floor
1047.7
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
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)
1047.7
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
1047.7
Projected new K-facor
36
Tournaments
History
Tournament:
Western Cape PS Individuals Championship 2024 (U11 Boys)
Start:
2024/05/04
End:
2024/05/05
Host:
WCU
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
6
Games:
6
Score:
3.0
Main rating:
1469.3
Rating gain/loss:
-32.7
Type rating:
1389.4
Rating gain/loss:
-37.1
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
5
Western Cape PS Individuals Championship 2024 (U11 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.0
1469.3
1389.4
Analysis
4
Brave Knights 2024 (U11)
2024/03/16
2024/03/16
Cape Winelands (WCW)
Rapid
30
0.60
6
6
4.0
1485.9
1534.3
Analysis
3
Cape Winelands Schools - Prestige 2024 (U11 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1485.9
1364.2
Analysis
2
Cape Winelands Schools - PS Trials 1 2024 (U11 Boys)
2024/02/10
2024/02/10
Cape Winelands (WCW)
Rapid
35
0.66
6
6
5.0
1480.0
1539.1
Analysis
1
Cape Winelands - Marie Delport Memorial 2024 (U12)
2024/01/27
2024/01/27
Cape Winelands (WCW)
Rapid
20
0.47
6
6
4.5
1477.7
1547.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
35
Western Cape PS Individuals Championship 2024 (U11 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.0
1469.3
1389.4
Analysis
34
Brave Knights 2024 (U11)
2024/03/16
2024/03/16
Cape Winelands (WCW)
Rapid
30
0.60
6
6
4.0
1485.9
1534.3
Analysis
33
Cape Winelands Schools - Prestige 2024 (U11 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1485.9
1364.2
Analysis
32
Cape Winelands Schools - PS Trials 1 2024 (U11 Boys)
2024/02/10
2024/02/10
Cape Winelands (WCW)
Rapid
35
0.66
6
6
5.0
1480.0
1539.1
Analysis
31
Cape Winelands - Marie Delport Memorial 2024 (U12)
2024/01/27
2024/01/27
Cape Winelands (WCW)
Rapid
20
0.47
6
6
4.5
1477.7
1547.7
Analysis
30
2023 Western Cape Rural Cup (U10)
2023/12/09
2023/12/10
Cape Winelands (WCW)
Standard
60
0.83
5
4
3.0
1473.7
1324.8
Analysis
29
Ashton Skaakmat Rapid 2023 (U9)
2023/11/18
2023/11/18
Cape Winelands (WCW)
Rapid
30
0.60
6
6
6.0
1451.8
1531.2
Analysis
28
Bonnievale Open Rapid 2023 (U10)
2023/10/21
2023/10/21
Cape Winelands (WCW)
Rapid
25
0.54
6
6
4.5
1445.1
1530.2
Analysis
27
Cape Town Junior Chess League Finals 2023 (U12A)
2023/09/16
2023/09/16
Cape Town (WCT)
Rapid
25
0.54
7
7
6.5
1399.7
1490.6
Analysis
26
Western Cape Top Schools 2023 (U11 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
5
3.5
1399.7
1287.0
Analysis
25
CW Top Schools 2023 (U7-U11 Mixed + U11 Girls)
2023/08/26
2023/08/26
Cape Winelands (WCW)
Rapid
32
0.63
5
5
4.5
1385.6
1482.0
Analysis
24
Langeberg Top Schools 2023 (U7-U13 Mix)
2023/07/29
2023/07/29
Cape Winelands (WCW)
Rapid
30
0.60
5
5
5.0
1360.5
1434.3
Analysis
23
Cape Town Junior Chess League - Round 1 2023 (U12A)
2023/07/22
2023/07/22
Cape Town (WCT)
Rapid
25
0.54
7
6
3.5
1360.5
1434.3
Analysis
22
Cape Town Junior League 2nd Qualifier 2023 (U12)
2023/06/03
2023/06/03
Cape Town (WCT)
Rapid
25
0.54
6
6
5.0
1338.9
1404.8
Analysis
21
Western Cape PS Individuals 2023 (U9 Boys)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1314.5
1254.2
Analysis
20
Cape Winelands Schools Prestige 2023 (U9 Boys)
2023/03/11
2023/03/11
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.0
1278.2
1239.4
Analysis
19
CWIS Inaugural Chess Championships 2023
2023/03/04
2023/03/04
Cape Winelands (WCW)
Rapid
10
0.29
5
5
4.0
1278.2
1352.0
Analysis
18
Cape Winelands Schools Chess - Trials 1 2023 (U9 Boys)
2023/02/18
2023/02/18
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1217.8
1193.7
Analysis
17
Langeberg Schools Chess Trials 2023 (U9 Boys+Girls)
2023/02/11
2023/02/11
Cape Winelands (WCW)
Rapid
30
0.60
5
4
3.5
1217.8
1321.0
Analysis
16
Marie Delport Memorial 2023 (Open)
2023/01/21
2023/01/21
Cape Winelands (WCW)
Standard
70
0.87
6
5
1.0
1257.6
1235.1
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
29
20
1
8
20.5
70.7
175.9
1251.4
1427.3
White
16
13
1
2
13.5
84.4
292.2
1241.8
1534.0
Black
13
7
0
6
7.0
53.8
32.7
1263.2
1295.9
Standard
All
11
7
0
4
7.0
63.6
115.9
1272.5
1388.4
White
6
6
0
0
6.0
100.0
425.0
1270.6
1695.6
Black
5
1
0
4
1.0
20.0
-255.0
1274.7
1019.7
Rapid
All
18
13
1
4
13.5
75.0
212.5
1238.6
1451.1
White
10
7
1
2
7.5
75.0
212.5
1224.6
1437.1
Black
8
6
0
2
6.0
75.0
212.5
1256.0
1468.5
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
174
115
10
49
120.0
69.0
161.2
1225.4
1386.6
White
89
63
5
21
65.5
73.6
200.6
1216.4
1417.0
Black
85
52
5
28
54.5
64.1
120.0
1234.7
1354.7
Standard
All
87
49
3
35
50.5
58.0
68.4
1237.0
1305.4
White
46
28
2
16
29.0
63.0
110.9
1224.7
1335.6
Black
41
21
1
19
21.5
52.4
20.7
1250.8
1271.5
Rapid
All
87
66
7
14
69.5
79.9
254.0
1213.7
1467.7
White
43
35
3
5
36.5
84.9
296.5
1207.6
1504.1
Black
44
31
4
9
33.0
75.0
212.5
1219.8
1432.3
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
1160140079
Barends, M (Matthew)
4
3.5
3
1
0
87.5
1266.5
318.8
1585.3
View list
2
1130139478
Barends, R (Reece)
4
3.0
3
0
1
75.0
1239.3
212.5
1451.8
View list
3
2140149832
Colyn, E (Estelanie)
4
3.0
3
0
1
75.0
1380.1
212.5
1592.6
View list
4
1140148197
Van Wyk, M (Micaile)
4
3.0
2
2
0
75.0
1339.6
212.5
1552.1
View list
5
1140159013
Fluks, J (Jovan)
3
3.0
3
0
0
100.0
1432.7
425.0
1857.7
View list
6
1140144385
Makipa, M (Michael)
3
3.0
3
0
0
100.0
1241.0
425.0
1666.0
View list
7
2130137730
Sauls, L (Lekisha)
3
3.0
3
0
0
100.0
1266.7
425.0
1691.7
View list
8
1140139698
Visser, AJC (Alwyn Jacobus Christiaan)
3
3.0
3
0
0
100.0
1326.8
425.0
1751.8
View list
9
1140135124
Nogaga, O (Owethu)
3
2.5
2
1
0
83.3
1366.4
283.3
1649.7
View list
10
2100142359
Reynard, R (Ree-Shaan)
3
2.0
2
0
1
66.7
1314.1
141.7
1455.7
View list
11
1140139485
Von Wielligh, S (Sven)
3
2.0
2
0
1
66.7
1399.6
141.7
1541.2
View list
12
1130132165
Calitz, S (Steyn)
3
1.5
1
1
1
50.0
1366.4
0.0
1366.4
View list
13
2140140718
Walters, N (Nicola)
3
1.0
1
0
2
33.3
1366.4
-141.7
1224.7
View list
14
1140150070
Badenhorst, M (Marinus)
2
2.0
2
0
0
100.0
1462.8
425.0
1887.8
View list
15
1150137727
Da Silva, N (Noah Clint)
2
2.0
2
0
0
100.0
1325.9
425.0
1750.9
View list
16
1130148189
De Villiers, M (Malan)
2
2.0
2
0
0
100.0
1483.0
425.0
1908.0
View list
17
1130143658
Du Preez, Z (Zolani)
2
2.0
2
0
0
100.0
1380.1
425.0
1805.1
View list
18
1130146573
Krynauw, E (Eben)
2
2.0
2
0
0
100.0
1478.8
425.0
1903.8
View list
19
1130139483
Terblanche, S (Stefan)
2
2.0
2
0
0
100.0
1220.4
425.0
1645.4
View list
20
1150148195
Weng, I (Ivan)
2
2.0
2
0
0
100.0
1462.8
425.0
1887.8
View list