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: 2024/03/09 (54 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
Curent Raw rating1360.9
Curent Weighted rating1324.2
Curent Weighted performance1225.7
Current official/published rating (highest between Raw, WR and WP)1360.9
Current floor (min rating allowed)889.4
Current highest rating achieved1389.4
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)±131.8
Current Raw change used (final)0.0
Projected new Raw rating1360.9
Projected new Weighed rating1330.8
Projected new Weighted performance1225.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1360.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1389.4
Projected new floor889.4
Projected new K-facor36
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 rating1314.3
Curent Weighted rating1276.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1314.3
Current floor (min rating allowed)814.3
Current highest rating achieved1314.3
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)±140.9
Current Raw change used (final)0.0
Projected new Raw rating1314.3
Projected new Weighed rating1281.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1314.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1314.3
Projected new floor814.3
Projected new K-facor36
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 rating1416.8
Curent Weighted rating1393.5
Curent Weighted performance1320.2
Current official/published rating (highest between Raw, WR and WP)1416.8
Current floor (min rating allowed)988.2
Current highest rating achieved1488.2
Current K-factor32
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)±121.8
Current Raw change used (final)0.0
Projected new Raw rating1416.8
Projected new Weighed rating1400.5
Projected new Weighted performance1320.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1416.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1488.2
Projected new floor988.2
Projected new K-facor32
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)988.2
Current highest rating achieved1200.0
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 rating1200.0
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 rating1200.0
Projected new floor988.2
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
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
3 West Coast Schools Chess Prestige Leg 2 2022 (U11 Boys) 2022/04/23 2022/04/23 West Coast (WCU) Rapid 30 0.60 5 4 0.5 1201.0 1201.6 Analysis
2 West Coast Schools Chess Prestige Leg 1 2022 (U11 Boys) 2022/04/09 2022/04/09 West Coast (WCU) Rapid 30 0.60 5 4 0.5 1201.0 1201.6 Analysis
1 Lower West Coast Schools Prestige 2022 (U11 Boys) 2022/03/19 2022/03/19 West Coast (WCU) Rapid 30 0.60 5 5 2.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 6 0 4 6.0 60.0 85.0 1253.2 1338.2
White 6 4 0 2 4.0 66.7 141.7 1208.5 1350.1
Black 4 2 0 2 2.0 50.0 0.0 1320.2 1320.2
Standard 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
Rapid All 10 6 0 4 6.0 60.0 85.0 1253.2 1338.2
White 6 4 0 2 4.0 66.7 141.7 1208.5 1350.1
Black 4 2 0 2 2.0 50.0 0.0 1320.2 1320.2
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 88 47 9 32 51.5 58.5 72.4 1252.5 1324.9
White 44 24 4 16 26.0 59.1 77.3 1237.2 1314.5
Black 44 23 5 16 25.5 58.0 67.6 1267.8 1335.4
Standard All 21 11 1 9 11.5 54.8 40.5 1343.9 1384.4
White 9 5 1 3 5.5 61.1 94.4 1287.7 1382.1
Black 12 6 0 6 6.0 50.0 0.0 1386.1 1386.1
Rapid All 67 36 8 23 40.0 59.7 82.5 1223.8 1306.3
White 35 19 3 13 20.5 58.6 72.9 1224.2 1297.1
Black 32 17 5 10 19.5 60.9 93.0 1223.5 1316.4
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 2130153778 Kujinga, T (Tawanayasha) 2 2.0 2 0 0 100.0 1302.5 425.0 1727.5 View list
6 1120147351 Louw, E (E-Jay) 2 2.0 2 0 0 100.0 1302.5 425.0 1727.5 View list
7 2120159415 Scholtz, G (Gera) 2 2.0 2 0 0 100.0 1302.5 425.0 1727.5 View list
8 2130143128 Seroon, Z (Zeeva) 2 2.0 2 0 0 100.0 1302.5 425.0 1727.5 View list
9 2100131696 Warner, A (Alicia) 2 1.5 1 1 0 75.0 1303.8 212.5 1516.3 View list
10 1120139045 Lindeque, C (Carlos) 2 0.5 0 1 1 25.0 1200.5 -212.5 988.0 View list
11 1120139050 Warries, T (Tyreese) 2 0.5 0 1 1 25.0 1201.0 -212.5 988.5 View list
12 1110099726 Cloete, K (Keenan) 2 0.0 0 0 2 0.0 1201.0 -425.0 776.0 View list
13 2100142543 Love, C (Celine) 2 0.0 0 0 2 0.0 1265.4 -425.0 840.4 View list
14 2090142541 August, L (Laris) 1 1.0 1 0 0 100.0 1143.1 425.0 1568.1 View list
15 2070158345 Arnoldus, M (Marceline) 1 1.0 1 0 0 100.0 1324.7 425.0 1749.7 View list
16 1120150098 Arendse, V (Virgil) 1 1.0 1 0 0 100.0 1369.5 425.0 1794.5 View list
17 1100142261 Chrirender, L (Lindan) 1 1.0 1 0 0 100.0 1143.1 425.0 1568.1 View list
18 1080142260 Choto, O (Oscar) 1 1.0 1 0 0 100.0 1143.1 425.0 1568.1 View list
19 1110153788 Butler, K (Kelvin) 1 1.0 1 0 0 100.0 1373.4 425.0 1798.4 View list
20 1130139060 Benjamin, E (Entwan) 1 1.0 1 0 0 100.0 1179.3 425.0 1604.3 View list