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: 2024/06/08 (6 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 rating1333.0
Current Weighted rating1328.6
Current Weighted performance1277.8
Current official/published rating (highest between Raw, WR and WP)1333.0
Current highest rating achieved1389.4
Current floor (min rating allowed)889.4
Current K-factor36
Games played this month4
Score (S)0.0
Expected score (We)1.10
Difference (S-We)-0.66
Current Raw change (no limits, including tournament time weight)-23.8
Current min/max change allowed (with limits)±137.2
Current Raw change used (final)-23.8
Projected new Raw rating1309.2
Projected new Weighed rating1225.9
Projected new Weighted performance1200.9
Projected new final Raw rating (if new WP > new Raw)1309.2
Projected new highest rating1389.4
Projected new floor889.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1309.2
Projected effective change (new Official - current Official)-23.8
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 rating1244.8
Current Weighted rating1276.3
Current Weighted performance1191.8
Current official/published rating (highest between Raw, WR and WP)1276.3
Current highest rating achieved1314.3
Current floor (min rating allowed)814.3
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)±155.6
Current Raw change used (final)0.0
Projected new Raw rating1244.8
Projected new Weighed rating1176.1
Projected new Weighted performance1191.8
Projected new final Raw rating (if new WP > new Raw)1244.8
Projected new highest rating1314.3
Projected new floor814.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1244.8
Projected effective change (new Official - current Official)-31.5
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 rating1461.0
Current Weighted rating1404.0
Current Weighted performance1398.6
Current official/published rating (highest between Raw, WR and WP)1461.0
Current highest rating achieved1488.2
Current floor (min rating allowed)988.2
Current K-factor32
Games played this month4
Score (S)0.0
Expected score (We)2.09
Difference (S-We)-2.09
Current Raw change (no limits, including tournament time weight)-66.9
Current min/max change allowed (with limits)±114.3
Current Raw change used (final)-66.9
Projected new Raw rating1394.1
Projected new Weighed rating1296.8
Projected new Weighted performance1313.4
Projected new final Raw rating (if new WP > new Raw)1394.1
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)1394.1
Projected effective change (new Official - current Official)-66.9
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: Western Cape - Kings and Queens 2024 (Boys)
Start: 2024/06/08  End: 2024/06/08  Host: WOS  Type: Rapid   Time: 30  Time weight: 0.60  Rounds: 4
Games: 4  Score: 0.0
Main rating: 1333.0  Rating gain/loss: -23.8
Type rating: 1461.0  Rating gain/loss: -66.9
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
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
6 West Coast Open 2022 (Open) 2022/11/05 2022/11/05 West Coast (WCU) Standard 65 0.85 6 0 0.0 1175.7 1200.0 Analysis
5 Basil Ellman Annual Rapid 2022 (Development) 2022/06/25 2022/06/25 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1143.1 1110.5 Analysis
4 Onder-Weskus Top Skole 2022 (O13 Seuns) 2022/06/04 2022/06/04 West Coast (WCU) Rapid 30 0.60 5 5 2.5 1143.1 1110.5 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 30 16 1 13 16.5 55.0 42.5 1273.4 1315.9
White 17 10 1 6 10.5 61.8 100.0 1244.1 1344.1
Black 13 6 0 7 6.0 46.2 -32.7 1311.7 1279.0
Standard All 6 2 0 4 2.0 33.3 -141.7 1223.4 1081.7
White 3 1 0 2 1.0 33.3 -141.7 1180.0 1038.4
Black 3 1 0 2 1.0 33.3 -141.7 1266.7 1125.1
Rapid All 24 14 1 9 14.5 60.4 88.5 1285.9 1374.4
White 14 9 1 4 9.5 67.9 151.8 1257.8 1409.6
Black 10 5 0 5 5.0 50.0 0.0 1325.2 1325.2
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 108 57 10 41 62.0 57.4 63.0 1258.2 1321.2
White 55 30 5 20 32.5 59.1 77.3 1242.4 1319.7
Black 53 27 5 21 29.5 55.7 48.1 1274.6 1322.7
Standard All 27 13 1 13 13.5 50.0 0.0 1317.1 1317.1
White 12 6 1 5 6.5 54.2 35.4 1260.8 1296.2
Black 15 7 0 8 7.0 46.7 -28.3 1362.2 1333.9
Rapid All 81 44 9 28 48.5 59.9 84.0 1238.6 1322.6
White 43 24 4 15 26.0 60.5 89.0 1237.3 1326.3
Black 38 20 5 13 22.5 59.2 78.3 1240.0 1318.3
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1130139070 Olivier, M (Micarlo) 3 3.0 3 0 0 100.0 1210.2 425.0 1635.2 View list
2 1120139049 Thomson, A (Alexander) 3 1.0 1 0 2 33.3 1290.8 -141.7 1149.2 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 2090142541 August, L (Laris) 1 1.0 1 0 0 100.0 1143.1 425.0 1568.1 View list
17 2070158345 Arnoldus, M (Marceline) 1 1.0 1 0 0 100.0 1324.7 425.0 1749.7 View list
18 1120150098 Arendse, V (Virgil) 1 1.0 1 0 0 100.0 1369.5 425.0 1794.5 View list
19 1100142261 Chrirender, L (Lindan) 1 1.0 1 0 0 100.0 1143.1 425.0 1568.1 View list
20 1080142260 Choto, O (Oscar) 1 1.0 1 0 0 100.0 1143.1 425.0 1568.1 View list