Player Page

Viljoen, A (Adrihan)
Dob: 2014/01/30 (U12)
Gender: Male
Chess SA id: 1140135534
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/09/21 (17 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 rating1336.2
Current Weighted rating1272.4
Current Weighted performance1337.4
Current official/published rating (highest between Raw, WR and WP)1337.4
Current highest rating achieved1336.2
Current floor (min rating allowed)836.2
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)±136.6
Current Raw change used (final)0.0
Projected new Raw rating1336.2
Projected new Weighed rating1171.2
Projected new Weighted performance1337.4
Projected new final Raw rating (if new WP > new Raw)1337.4
Projected new highest rating1337.4
Projected new floor837.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1337.4
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 rating1334.8
Current Weighted rating1270.8
Current Weighted performance1333.9
Current official/published rating (highest between Raw, WR and WP)1334.8
Current highest rating achieved1334.8
Current floor (min rating allowed)834.8
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)±136.8
Current Raw change used (final)0.0
Projected new Raw rating1334.8
Projected new Weighed rating1169.7
Projected new Weighted performance1333.9
Projected new final Raw rating (if new WP > new Raw)1334.8
Projected new highest rating1334.8
Projected new floor834.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1334.8
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 rating1275.7
Current Weighted rating1243.0
Current Weighted performance1209.1
Current official/published rating (highest between Raw, WR and WP)1275.7
Current highest rating achieved1275.7
Current floor (min rating allowed)775.7
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)±148.9
Current Raw change used (final)0.0
Projected new Raw rating1275.7
Projected new Weighed rating1144.0
Projected new Weighted performance1209.1
Projected new final Raw rating (if new WP > new Raw)1275.7
Projected new highest rating1275.7
Projected new floor775.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1275.7
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 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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
12 Chess Elevation Series -September 2024 (Level 1) 2024/09/20 2024/09/21 Cape Town (WCT) Standard 70 0.87 5 5 2.0 1325.3 1320.6 Analysis
11 Akkertjies Invitational 2024 (U13 Boys) 2024/09/14 2024/09/14 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1325.3 1320.6 Analysis
10 De Villiers PS Tournament 2024 (U14) 2024/08/17 2024/08/17 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1290.4 1269.8 Analysis
9 Western Cape Women’s Championship 2024 (U12) 2024/08/09 2024/08/09 West Coast (WCU) Standard 60 0.83 5 5 2.0 1290.4 1269.8 Analysis
8 Curro Durbanville Chess Rapid Open 2024 (Beginner) 2024/07/13 2024/07/13 Cape Town (WCT) Rapid 35 0.66 6 6 4.0 1270.0 1233.6 Analysis
7 West Coast & Mykonos Open 2024 (U12) 2024/05/18 2024/05/18 West Coast (WCU) Standard 60 0.83 5 2 1.0 1260.4 1259.4 Analysis
6 Worcester PS League 2024 (U11) 2024/04/27 2024/04/27 Cape Winelands (WCW) Standard 60 0.83 5 4 2.5 1260.4 1259.4 Analysis
5 Hermanus Chess Club Open 2024 (Development) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 4.0 1271.1 1256.6 Analysis
4 Cape Winelands Schools - Prestige 2024 (U11 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 2.5 1259.7 1256.5 Analysis
3 Cape of Good Hope Open Chess Tournament 2024 (U10) 2024/02/17 2024/02/17 Cape Town (WCT) Rapid 30 0.60 6 6 3.0 1240.0 1207.6 Analysis
2 Cape Winelands Schools - PS Trials 1 2024 (U11 Boys) 2024/02/10 2024/02/10 Cape Winelands (WCW) Rapid 35 0.66 6 6 4.0 1240.0 1207.6 Analysis
1 Cape Winelands - Marie Delport Memorial 2024 (U12) 2024/01/27 2024/01/27 Cape Winelands (WCW) Rapid 20 0.47 6 6 2.5 1255.2 1229.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
17 Chess Elevation Series -September 2024 (Level 1) 2024/09/20 2024/09/21 Cape Town (WCT) Standard 70 0.87 5 5 2.0 1325.3 1320.6 Analysis
16 Akkertjies Invitational 2024 (U13 Boys) 2024/09/14 2024/09/14 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1325.3 1320.6 Analysis
15 De Villiers PS Tournament 2024 (U14) 2024/08/17 2024/08/17 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1290.4 1269.8 Analysis
14 Western Cape Women’s Championship 2024 (U12) 2024/08/09 2024/08/09 West Coast (WCU) Standard 60 0.83 5 5 2.0 1290.4 1269.8 Analysis
13 Curro Durbanville Chess Rapid Open 2024 (Beginner) 2024/07/13 2024/07/13 Cape Town (WCT) Rapid 35 0.66 6 6 4.0 1270.0 1233.6 Analysis
12 West Coast & Mykonos Open 2024 (U12) 2024/05/18 2024/05/18 West Coast (WCU) Standard 60 0.83 5 2 1.0 1260.4 1259.4 Analysis
11 Worcester PS League 2024 (U11) 2024/04/27 2024/04/27 Cape Winelands (WCW) Standard 60 0.83 5 4 2.5 1260.4 1259.4 Analysis
10 Hermanus Chess Club Open 2024 (Development) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 4.0 1271.1 1256.6 Analysis
9 Cape Winelands Schools - Prestige 2024 (U11 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 2.5 1259.7 1256.5 Analysis
8 Cape of Good Hope Open Chess Tournament 2024 (U10) 2024/02/17 2024/02/17 Cape Town (WCT) Rapid 30 0.60 6 6 3.0 1240.0 1207.6 Analysis
7 Cape Winelands Schools - PS Trials 1 2024 (U11 Boys) 2024/02/10 2024/02/10 Cape Winelands (WCW) Rapid 35 0.66 6 6 4.0 1240.0 1207.6 Analysis
6 Cape Winelands - Marie Delport Memorial 2024 (U12) 2024/01/27 2024/01/27 Cape Winelands (WCW) Rapid 20 0.47 6 6 2.5 1255.2 1229.6 Analysis
5 Western Cape Schools 2022 (U9 Boys) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 6 2.0 1300.9 1311.9 Analysis
4 WN Akkertjies 2022 (Juniors) 2022/04/27 2022/04/27 Cape Winelands (WCW) Standard 60 0.83 6 6 5.0 1257.9 1260.4 Analysis
3 Cape Winelands Schools 2022 (U9 Boys) 2022/03/12 2022/03/12 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1215.2 1200.0 Analysis
2 Worcester Schools Trials 2022 (U9 Boys+Girls) 2022/02/19 2022/02/19 Cape Winelands (WCW) Rapid 30 0.60 5 4 3.0 1189.0 1184.0 Analysis
1 Cape Winelands Schools Trials 2021 (U9 Boys) 2021/10/16 2021/10/16 Cape Winelands (WCW) Rapid 30 0.60 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 62 32 7 23 35.5 57.3 61.7 1240.0 1301.7
White 32 18 3 11 19.5 60.9 93.0 1245.7 1338.7
Black 30 14 4 12 16.0 53.3 28.3 1234.0 1262.3
Standard All 31 15 6 10 18.0 58.1 68.5 1275.0 1343.6
White 16 8 3 5 9.5 59.4 79.7 1298.9 1378.6
Black 15 7 3 5 8.5 56.7 56.7 1249.6 1306.3
Rapid All 31 17 1 13 17.5 56.5 54.8 1205.0 1259.9
White 16 10 0 6 10.0 62.5 106.3 1192.5 1298.8
Black 15 7 1 7 7.5 50.0 0.0 1218.4 1218.4
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 88 48 7 33 51.5 58.5 72.4 1229.4 1301.9
White 45 27 3 15 28.5 63.3 113.3 1225.3 1338.7
Black 43 21 4 18 23.0 53.5 29.7 1233.7 1263.4
Standard All 48 26 6 16 29.0 60.4 88.5 1248.6 1337.1
White 24 14 3 7 15.5 64.6 124.0 1259.6 1383.6
Black 24 12 3 9 13.5 56.3 53.1 1237.6 1290.7
Rapid All 40 22 1 17 22.5 56.3 53.1 1206.4 1259.6
White 21 13 0 8 13.0 61.9 101.2 1186.2 1287.4
Black 19 9 1 9 9.5 50.0 0.0 1228.8 1228.8
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 1130137651 Van Tonder, L (Luhann) 4 1.0 1 0 3 25.0 1230.5 -212.5 1018.0 View list
2 1130132432 Milhomem, D (Daniel) 3 2.0 2 0 1 66.7 1201.4 141.7 1343.1 View list
3 1140137650 Geel, M (Matthew) 2 2.0 2 0 0 100.0 1202.1 425.0 1627.1 View list
4 2130139489 Klopper, E (Elzaan) 2 2.0 2 0 0 100.0 1274.2 425.0 1699.2 View list
5 2130139492 Van Der Westhuizen, L (Linli) 2 2.0 2 0 0 100.0 1274.2 425.0 1699.2 View list
6 1130137557 Fortuin, A (Ashton) 2 1.5 1 1 0 75.0 1257.5 212.5 1470.0 View list
7 1130137558 Ockhuis, C (Christiaan) 2 1.0 1 0 1 50.0 1278.1 0.0 1278.1 View list
8 1130139482 Koert, D (Dane) 2 0.5 0 1 1 25.0 1265.2 -212.5 1052.7 View list
9 2140149834 Lambrechts, M (Madison) 2 0.5 0 1 1 25.0 1262.6 -212.5 1050.1 View list
10 2130139487 Cilliers, D (Dene) 2 0.0 0 0 2 0.0 1275.4 -425.0 850.4 View list
11 2140137649 Adams, M (Meliyah) 1 1.0 1 0 0 100.0 1189.0 425.0 1614.0 View list
12 1170302190 Beukes, C (Cullen) 1 1.0 1 0 0 100.0 1271.1 425.0 1696.1 View list
13 1160142377 Chumpitaz Avila, J (Josef) 1 1.0 1 0 0 100.0 1270.0 425.0 1695.0 View list
14 1140159013 Fluks, J (Jovan) 1 1.0 1 0 0 100.0 1290.4 425.0 1715.4 View list
15 1130137556 Esau, J (Jarydian) 1 1.0 1 0 0 100.0 1215.2 425.0 1640.2 View list
16 2150134747 Dwenene, K (Khayone) 1 1.0 1 0 0 100.0 1240.0 425.0 1665.0 View list
17 1130141740 Daniels, E (Enzo) 1 1.0 1 0 0 100.0 1240.0 425.0 1665.0 View list
18 1130311521 Coetzee, L (Leon) 1 1.0 1 0 0 100.0 1325.3 425.0 1750.3 View list
19 1130191722 Greeff, M (Matthys) 1 1.0 1 0 0 100.0 1240.0 425.0 1665.0 View list
20 1140141741 Goso, I (Izwi) 1 1.0 1 0 0 100.0 1325.3 425.0 1750.3 View list