Chess South Africa
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Chess South Africa
Koopman, V (Virat)
Dob:
2012/12/16 (U14)
Gender:
Male
Chess SA id:
1120139044
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2024/10/26 (10 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
1408.4
Current Weighted rating
1356.9
Current Weighted performance
1359.6
Current official/published rating (highest between Raw, WR and WP)
1408.4
Current highest rating achieved
1408.4
Current floor (min rating allowed)
908.4
Current K-factor
32
Games played this month
5
Score (S)
5.0
Expected score (We)
3.89
Difference (S-We)
0.52
Current Raw change (no limits, including tournament time weight)
16.7
Current min/max change allowed (with limits)
±123.2
Current Raw change used (final)
16.7
Projected new Raw rating
1425.1
Projected new Weighed rating
1250.9
Projected new Weighted performance
1437.5
Projected new final Raw rating (if new WP > new Raw)
1437.5
Projected new highest rating
1437.5
Projected new floor
937.5
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1437.5
Projected effective change (new Official - current Official)
+29.1
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
1380.2
Current Weighted rating
1303.0
Current Weighted performance
1368.6
Current official/published rating (highest between Raw, WR and WP)
1380.2
Current highest rating achieved
1380.2
Current floor (min rating allowed)
880.2
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)
±128.3
Current Raw change used (final)
0.0
Projected new Raw rating
1380.2
Projected new Weighed rating
1200.8
Projected new Weighted performance
1368.6
Projected new final Raw rating (if new WP > new Raw)
1380.2
Projected new highest rating
1380.2
Projected new floor
880.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1380.2
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
1394.1
Current Weighted rating
1418.1
Current Weighted performance
1247.9
Current official/published rating (highest between Raw, WR and WP)
1418.1
Current highest rating achieved
1488.2
Current floor (min rating allowed)
988.2
Current K-factor
32
s
Games played this month
5
Score (S)
5.0
Expected score (We)
3.93
Difference (S-We)
1.07
Current Raw change (no limits, including tournament time weight)
34.2
Current min/max change allowed (with limits)
±125.8
Current Raw change used (final)
34.2
Projected new Raw rating
1428.3
Projected new Weighed rating
1307.2
Projected new Weighted performance
1356.0
Projected new final Raw rating (if new WP > new Raw)
1428.3
Projected new highest rating
1488.2
Projected new floor
988.2
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1428.3
Projected effective change (new Official - current Official)
+10.2
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
Tournament:
West Coast Grand Challange League 2024 (PS Development)
Start:
2024/10/26
End:
2024/10/26
Host:
WCU
Type:
Rapid
Time:
20
Time weight:
0.47
Rounds:
5
Games:
5
Score:
5.0
Main rating:
1408.4
Rating gain/loss:
16.7
Type rating:
1394.1
Rating gain/loss:
34.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
9
West Coast Grand Challange League 2024 (PS Development)
2024/10/26
2024/10/26
West Coast (WCU)
Rapid
20
0.47
5
5
5.0
1408.4
1394.1
Analysis
8
Western Cape Women’s Championship 2024 (U14)
2024/08/09
2024/08/09
West Coast (WCU)
Standard
60
0.83
5
5
4.0
1309.2
1244.8
Analysis
7
Pedro Booyse Top Schools Championships 2024 (U13)
2024/07/20
2024/07/20
West Coast (WCU)
Standard
60
0.83
5
5
5.0
1309.2
1244.8
Analysis
6
Western Cape - Kings and Queens 2024 (Boys)
2024/06/08
2024/06/08
Overberg (WOS)
Rapid
30
0.60
5
4
0.0
1333.0
1461.0
Analysis
5
Brenton Cupido West Coast Schools Championship 2024 (U13)
2024/05/24
2024/05/24
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1360.9
1416.8
Analysis
4
West Coast & Mykonos Open 2024 (Open)
2024/05/17
2024/05/19
West Coast (WCU)
Standard
90
0.94
6
6
2.0
1360.9
1314.3
Analysis
3
Lower West Top Schools 2024 (U13)
2024/05/11
2024/05/11
West Coast (WCU)
Rapid
30
0.60
5
5
4.5
1360.9
1416.8
Analysis
2
West Coast Schools Chess Prestige Championships 2024 (U13 Boys)
2024/03/09
2024/03/09
West Coast (WCU)
Rapid
30
0.60
5
5
2.0
1389.4
1464.8
Analysis
1
Lower West Coast Schools Chess Prestige 2024 (U13 Boys)
2024/02/17
2024/02/17
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1373.4
1458.1
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
26
West Coast Grand Challange League 2024 (PS Development)
2024/10/26
2024/10/26
West Coast (WCU)
Rapid
20
0.47
5
5
5.0
1408.4
1394.1
Analysis
25
Western Cape Women’s Championship 2024 (U14)
2024/08/09
2024/08/09
West Coast (WCU)
Standard
60
0.83
5
5
4.0
1309.2
1244.8
Analysis
24
Pedro Booyse Top Schools Championships 2024 (U13)
2024/07/20
2024/07/20
West Coast (WCU)
Standard
60
0.83
5
5
5.0
1309.2
1244.8
Analysis
23
Western Cape - Kings and Queens 2024 (Boys)
2024/06/08
2024/06/08
Overberg (WOS)
Rapid
30
0.60
5
4
0.0
1333.0
1461.0
Analysis
22
Brenton Cupido West Coast Schools Championship 2024 (U13)
2024/05/24
2024/05/24
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1360.9
1416.8
Analysis
21
West Coast & Mykonos Open 2024 (Open)
2024/05/17
2024/05/19
West Coast (WCU)
Standard
90
0.94
6
6
2.0
1360.9
1314.3
Analysis
20
Lower West Top Schools 2024 (U13)
2024/05/11
2024/05/11
West Coast (WCU)
Rapid
30
0.60
5
5
4.5
1360.9
1416.8
Analysis
19
West Coast Schools Chess Prestige Championships 2024 (U13 Boys)
2024/03/09
2024/03/09
West Coast (WCU)
Rapid
30
0.60
5
5
2.0
1389.4
1464.8
Analysis
18
Lower West Coast Schools Chess Prestige 2024 (U13 Boys)
2024/02/17
2024/02/17
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1373.4
1458.1
Analysis
17
Clanwilliam Chess Club Open 2023 (B)
2023/12/02
2023/12/02
West Coast (WCU)
Rapid
35
0.66
5
5
2.5
1387.7
1488.2
Analysis
16
Western Cape Top Schools 2023 (U11 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
6
3.0
1369.5
1280.8
Analysis
15
Pedro Booyse Top Schools Round 2 2023 (U11)
2023/08/22
2023/08/22
West Coast (WCU)
Rapid
20
0.47
5
5
4.0
1324.7
1467.9
Analysis
14
CW Top Schools 2023 (Intermediate)
2023/08/12
2023/08/12
West Coast (WCU)
Standard
60
0.83
5
5
4.0
1324.7
1229.0
Analysis
13
Pedro Booyse Top Schools 2023 (U11)
2023/07/29
2023/07/29
West Coast (WCU)
Rapid
30
0.60
5
5
5.0
1280.2
1358.2
Analysis
12
Lower West Coast Top Schools Championships 2023 (U9+U11)
2023/06/10
2023/06/10
West Coast (WCU)
Rapid
30
0.60
5
4
3.0
1267.6
1317.4
Analysis
11
West Coast Open 2023 (Open)
2023/05/20
2023/06/03
West Coast (WCU)
Standard
90
0.94
5
4
2.0
1267.6
1238.0
Analysis
10
St Helenabaai Open 2023 (Open)
2023/05/13
2023/05/13
West Coast (WCU)
Rapid
30
0.60
5
5
3.5
1219.9
1255.6
Analysis
9
Western Cape PS Individuals 2023 (U11 Boys)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
2.5
1219.9
1200.0
Analysis
8
Lower West Coast Primary Schools Prestige Championships 2023 (U11 Boys)
2023/03/04
2023/03/04
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1179.3
1183.6
Analysis
7
Clanwilliam Open 2022 (C)
2022/12/10
2022/12/10
West Coast (WCU)
Rapid
35
0.66
5
5
2.5
1175.7
1177.8
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
45
30
1
14
30.5
67.8
151.1
1257.5
1408.7
White
25
17
1
7
17.5
70.0
170.0
1245.6
1415.6
Black
20
13
0
7
13.0
65.0
127.5
1272.5
1400.0
Standard
All
16
11
0
5
11.0
68.8
159.4
1240.9
1400.3
White
8
5
0
3
5.0
62.5
106.3
1249.4
1355.6
Black
8
6
0
2
6.0
75.0
212.5
1232.4
1444.9
Rapid
All
29
19
1
9
19.5
67.2
146.6
1266.7
1413.3
White
17
12
1
4
12.5
73.5
200.0
1243.8
1443.8
Black
12
7
0
5
7.0
58.3
70.8
1299.3
1370.1
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
123
71
10
42
76.0
61.8
100.2
1254.3
1354.5
White
63
37
5
21
39.5
62.7
107.9
1243.2
1351.2
Black
60
34
5
21
36.5
60.8
92.1
1265.9
1358.0
Standard
All
37
22
1
14
22.5
60.8
91.9
1299.4
1391.3
White
17
10
1
6
10.5
61.8
100.0
1269.6
1369.6
Black
20
12
0
8
12.0
60.0
85.0
1324.6
1409.6
Rapid
All
86
49
9
28
53.5
62.2
103.8
1234.9
1338.7
White
46
27
4
15
29.0
63.0
110.9
1233.5
1344.4
Black
40
22
5
13
24.5
61.3
95.6
1236.5
1332.1
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
1120139049
Thomson, A (Alexander)
4
2.0
2
0
2
50.0
1295.4
0.0
1295.4
View list
2
1130139070
Olivier, M (Micarlo)
3
3.0
3
0
0
100.0
1210.2
425.0
1635.2
View list
3
1120153777
Wehr, C (Corbin)
3
1.0
1
0
2
33.3
1312.7
-141.7
1171.1
View list
4
1120142265
Klaassens, J (Jermaine)
3
0.5
0
1
2
16.7
1196.7
-283.3
913.3
View list
5
2100142543
Love, C (Celine)
3
0.0
0
0
3
0.0
1297.2
-425.0
872.2
View list
6
2130153778
Kujinga, T (Tawanayasha)
2
2.0
2
0
0
100.0
1302.5
425.0
1727.5
View list
7
1120147351
Louw, E (E-Jay)
2
2.0
2
0
0
100.0
1302.5
425.0
1727.5
View list
8
2120159415
Scholtz, G (Gera)
2
2.0
2
0
0
100.0
1302.5
425.0
1727.5
View list
9
2130143128
Seroon, Z (Zeeva)
2
2.0
2
0
0
100.0
1302.5
425.0
1727.5
View list
10
2100131696
Warner, A (Alicia)
2
1.5
1
1
0
75.0
1303.8
212.5
1516.3
View list
11
1120139045
Lindeque, C (Carlos)
2
0.5
0
1
1
25.0
1200.5
-212.5
988.0
View list
12
1120139050
Warries, T (Tyreese)
2
0.5
0
1
1
25.0
1201.0
-212.5
988.5
View list
13
1110099726
Cloete, K (Keenan)
2
0.0
0
0
2
0.0
1201.0
-425.0
776.0
View list
14
1120113687
Prinsloo, L (Lyle)
2
0.0
0
0
2
0.0
1276.5
-425.0
851.5
View list
15
1120112288
Robertson, J (Jonah)
2
0.0
0
0
2
0.0
1276.5
-425.0
851.5
View list
16
1090157817
Adonis, J (Jermaine)
1
1.0
1
0
0
100.0
1324.7
425.0
1749.7
View list
17
2090142541
August, L (Laris)
1
1.0
1
0
0
100.0
1143.1
425.0
1568.1
View list
18
2070158345
Arnoldus, M (Marceline)
1
1.0
1
0
0
100.0
1324.7
425.0
1749.7
View list
19
1120150098
Arendse, V (Virgil)
1
1.0
1
0
0
100.0
1369.5
425.0
1794.5
View list
20
1160153144
Cloete, B (Beau-Login)
1
1.0
1
0
0
100.0
1408.4
425.0
1833.4
View list