Chess South Africa
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Chess South Africa
Marais, A (Alexander)
Dob:
2015/05/17 (U10)
Gender:
Male
Chess SA id:
1150140699
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2024/05/05 (12 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
1458.7
Curent Weighted rating
1328.5
Curent Weighted performance
1444.8
Current official/published rating (highest between Raw, WR and WP)
1458.7
Current floor (min rating allowed)
959.0
Current highest rating achieved
1459.0
Current K-factor
32
Games played this month
6
Score (S)
3.5
Expected score (We)
4.17
Difference (S-We)
-0.67
Current Raw change (no limits, including tournament time weight)
-17.8
Current min/max change allowed (with limits)
±114.7
Current Raw change used (final)
-17.8
Projected new Raw rating
1440.9
Projected new Weighed rating
1340.2
Projected new Weighted performance
1444.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1444.8
Projected effective change (new Official - current Official)
-13.9
Projected new highest rating
1459.0
Projected new floor
959.0
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
1387.9
Curent Weighted rating
1266.2
Curent Weighted performance
1365.1
Current official/published rating (highest between Raw, WR and WP)
1387.9
Current floor (min rating allowed)
887.9
Current highest rating achieved
1387.9
Current K-factor
36
Games played this month
6
Score (S)
3.5
Expected score (We)
3.90
Difference (S-We)
-0.40
Current Raw change (no limits, including tournament time weight)
-14.4
Current min/max change allowed (with limits)
±126.9
Current Raw change used (final)
-14.4
Projected new Raw rating
1373.5
Projected new Weighed rating
1276.8
Projected new Weighted performance
1365.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1373.5
Projected effective change (new Official - current Official)
-14.4
Projected new highest rating
1387.9
Projected new floor
887.9
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
1480.2
Curent Weighted rating
1346.2
Curent Weighted performance
1440.5
Current official/published rating (highest between Raw, WR and WP)
1480.2
Current floor (min rating allowed)
980.2
Current highest rating achieved
1480.2
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)
±111.2
Current Raw change used (final)
0.0
Projected new Raw rating
1480.2
Projected new Weighed rating
1359.5
Projected new Weighted performance
1440.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1480.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1480.2
Projected new floor
980.2
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)
980.2
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
980.2
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:
3.5
Main rating:
1458.7
Rating gain/loss:
-17.8
Type rating:
1387.9
Rating gain/loss:
-14.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
5
Western Cape PS Individuals Championship 2024 (U9 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.5
1458.7
1387.9
Analysis
4
Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1459.0
1342.1
Analysis
3
Mary-Anne Bartels Closed Chess Tournament 2024 (U7+U9 Mixed)
2024/02/24
2024/02/24
Cape Town (WCT)
Rapid
30
0.60
5
5
5.0
1330.4
1360.4
Analysis
2
Cape of Good Hope Open Chess Tournament 2024 (U10)
2024/02/17
2024/02/17
Cape Town (WCT)
Rapid
30
0.60
6
6
4.5
1330.4
1360.4
Analysis
1
CT District East Schools Chess Individuals Trails 2024 (U7+U9 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
5.0
1330.4
1252.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
22
Western Cape PS Individuals Championship 2024 (U9 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.5
1458.7
1387.9
Analysis
21
Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1459.0
1342.1
Analysis
20
Mary-Anne Bartels Closed Chess Tournament 2024 (U7+U9 Mixed)
2024/02/24
2024/02/24
Cape Town (WCT)
Rapid
30
0.60
5
5
5.0
1330.4
1360.4
Analysis
19
Cape of Good Hope Open Chess Tournament 2024 (U10)
2024/02/17
2024/02/17
Cape Town (WCT)
Rapid
30
0.60
6
6
4.5
1330.4
1360.4
Analysis
18
CT District East Schools Chess Individuals Trails 2024 (U7+U9 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
5.0
1330.4
1252.8
Analysis
17
Kraaifontein Open 2023 (U10)
2023/12/09
2023/12/09
Cape Town (WCT)
Rapid
30
0.60
6
6
3.5
1333.9
1355.9
Analysis
16
Grant East Primary School Invitational Chess Tournament 2023 (U9 Mixed)
2023/11/04
2023/11/04
Cape Town (WCT)
Rapid
30
0.60
6
6
5.0
1297.4
1288.6
Analysis
15
Western Cape Closed Championship 2023 (U10)
2023/09/23
2023/09/23
Cape Town (WCT)
Rapid
25
0.54
6
6
3.0
1296.0
1280.0
Analysis
14
Stellenbosch Primary Chess Tournament 2023 (U10)
2023/08/19
2023/08/19
Cape Winelands (WCW)
Rapid
30
0.60
6
6
4.0
1286.5
1258.4
Analysis
13
Cape Winelands Open 2023 (U10)
2023/07/23
2023/07/23
Cape Winelands (WCW)
Standard
70
0.87
5
5
3.0
1272.7
1237.3
Analysis
12
GPCA Rapid 2023 (U10)
2023/06/24
2023/06/24
Cape Town (WCT)
Rapid
25
0.54
7
7
4.0
1240.0
1257.0
Analysis
11
WP Closed 2023 (U10)
2023/06/17
2023/06/17
Cape Town (WCT)
Standard
60
0.83
5
5
3.0
1240.0
1202.0
Analysis
10
Steinitz Open 2023 (U10)
2023/05/27
2023/05/27
Cape Town (WCT)
Rapid
20
0.47
5
5
2.0
1247.5
1289.0
Analysis
9
Rhenish Primary Tournament 2023 (U10)
2023/05/13
2023/05/13
Cape Winelands (WCW)
Rapid
30
0.60
5
5
3.0
1247.5
1289.0
Analysis
8
Western Cape PS Individuals 2023 (U9 Boys)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
3.0
1247.5
1200.0
Analysis
7
Cape Town Open 2023 (U10)
2023/03/25
2023/03/25
Cape Town (WCT)
Rapid
25
0.54
6
0
0.0
1257.2
1305.9
Analysis
6
Cape Town Metro Schools Chess Closed Individuals 2023 (U9 Boys)
2023/03/04
2023/03/04
Cape Town (WCT)
Rapid
30
0.60
5
5
2.0
1257.2
1305.9
Analysis
5
Mary-Anne Bartels Chess Tournament 2023 (U7+U9)
2023/02/21
2023/02/21
Cape Town (WCT)
Rapid
30
0.60
5
5
4.0
1249.2
1286.1
Analysis
4
Laerskool Welgemoed Rapid 2023 (U10)
2023/02/11
2023/02/11
Cape Town (WCT)
Rapid
25
0.54
6
6
3.0
1249.2
1286.1
Analysis
3
District East Schools Chess Individual Trials 2023 (U7+U9 Mixed)
2023/02/04
2023/02/04
Cape Town (WCT)
Rapid
30
0.60
5
5
2.0
1249.2
1286.1
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
28
21
2
5
22.0
78.6
242.9
1275.5
1518.4
White
14
12
0
2
12.0
85.7
303.6
1295.9
1599.5
Black
14
9
2
3
10.0
71.4
182.1
1255.2
1437.3
Standard
All
17
12
1
4
12.5
73.5
200.0
1297.0
1497.0
White
9
7
0
2
7.0
77.8
236.1
1318.2
1554.3
Black
8
5
1
2
5.5
68.8
159.4
1273.2
1432.6
Rapid
All
11
9
1
1
9.5
86.4
309.1
1242.3
1551.4
White
5
5
0
0
5.0
100.0
425.0
1255.8
1680.8
Black
6
4
1
1
4.5
75.0
212.5
1231.1
1443.6
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
117
73
3
41
74.5
63.7
116.2
1243.1
1359.3
White
59
33
0
26
33.0
55.9
50.4
1262.9
1313.3
Black
58
40
3
15
41.5
71.6
183.2
1223.0
1406.1
Standard
All
33
21
1
11
21.5
65.2
128.8
1285.9
1414.7
White
17
10
0
7
10.0
58.8
75.0
1327.9
1402.9
Black
16
11
1
4
11.5
71.9
185.9
1241.3
1427.3
Rapid
All
84
52
2
30
53.0
63.1
111.3
1226.2
1337.6
White
42
23
0
19
23.0
54.8
40.5
1236.5
1277.0
Black
42
29
2
11
30.0
71.4
182.1
1216.0
1398.1
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
1160150273
Kruger, J (Josua Baruch)
3
2.0
2
0
1
66.7
1291.8
141.7
1433.4
View list
2
1150139446
Small, W (Wyatt)
3
2.0
2
0
1
66.7
1304.9
141.7
1446.5
View list
3
1140146769
Klopper, B (Ben)
3
0.0
0
0
3
0.0
1281.0
-425.0
856.0
View list
4
1150136552
Van Der Merwe, S (Schalk Wolf)
3
0.0
0
0
3
0.0
1347.4
-425.0
922.4
View list
5
1140137347
Whyatt, B (Benji)
3
0.0
0
0
3
0.0
1259.1
-425.0
834.1
View list
6
1150150111
Foster, B (Bjorn)
2
2.0
2
0
0
100.0
1313.9
425.0
1738.9
View list
7
2150157088
He, L (Lily)
2
2.0
2
0
0
100.0
1289.0
425.0
1714.0
View list
8
2170147533
Klopper, E (Elbe)
2
2.0
2
0
0
100.0
1261.0
425.0
1686.0
View list
9
1160150117
Lin, J (Junming)
2
2.0
2
0
0
100.0
1394.7
425.0
1819.7
View list
10
1140143665
Somai, J (Jhash)
2
2.0
2
0
0
100.0
1303.3
425.0
1728.3
View list
11
1150145643
Tredoux, J (Jean)
2
2.0
2
0
0
100.0
1247.5
425.0
1672.5
View list
12
1150140719
Webb, P (Paul)
2
2.0
2
0
0
100.0
1253.2
425.0
1678.2
View list
13
1150191203
Beukes, B (Benjamin)
2
1.5
1
1
0
75.0
1396.3
212.5
1608.8
View list
14
1150142376
Baker, A (Andrew)
2
1.0
1
0
1
50.0
1349.5
0.0
1349.5
View list
15
2150147534
Sher, I (Ivy)
2
1.0
1
0
1
50.0
1244.6
0.0
1244.6
View list
16
1140134078
Manning, C (Callan)
2
0.0
0
0
2
0.0
1272.6
-425.0
847.6
View list
17
1140137341
Sher, E (Evan)
2
0.0
0
0
2
0.0
1252.3
-425.0
827.3
View list
18
1150137343
Stern, M (Mason)
2
0.0
0
0
2
0.0
1268.0
-425.0
843.0
View list
19
2140140713
Temmers, I (Isabella)
2
0.0
0
0
2
0.0
1220.0
-425.0
795.0
View list
20
2140140718
Walters, N (Nicola)
2
0.0
0
0
2
0.0
1224.6
-425.0
799.6
View list