Player Page

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
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 rating1408.4
Current Weighted rating1356.9
Current Weighted performance1359.6
Current official/published rating (highest between Raw, WR and WP)1408.4
Current highest rating achieved1408.4
Current floor (min rating allowed)908.4
Current K-factor32
Games played this month5
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 rating1425.1
Projected new Weighed rating1250.9
Projected new Weighted performance1437.5
Projected new final Raw rating (if new WP > new Raw)1437.5
Projected new highest rating1437.5
Projected new floor937.5
Projected new K-facor32
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 rating1380.2
Current Weighted rating1303.0
Current Weighted performance1368.6
Current official/published rating (highest between Raw, WR and WP)1380.2
Current highest rating achieved1380.2
Current floor (min rating allowed)880.2
Current K-factor36
Games played this month0
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 rating1380.2
Projected new Weighed rating1200.8
Projected new Weighted performance1368.6
Projected new final Raw rating (if new WP > new Raw)1380.2
Projected new highest rating1380.2
Projected new floor880.2
Projected new K-facor36
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
s
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 rating1394.1
Current Weighted rating1418.1
Current Weighted performance1247.9
Current official/published rating (highest between Raw, WR and WP)1418.1
Current highest rating achieved1488.2
Current floor (min rating allowed)988.2
Current K-factor32
Games played this month5
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 rating1428.3
Projected new Weighed rating1307.2
Projected new Weighted performance1356.0
Projected new final Raw rating (if new WP > new Raw)1428.3
Projected new highest rating1488.2
Projected new floor988.2
Projected new K-facor32
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
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
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
12
Game 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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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