Player Page

Booysen, J (Jenilo)
Dob: 2005/07/26 (U20)
Gender: Male
Chess SA id: 105093493
FIDE id: Booysen
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/08/24 (27 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 rating1496.7
Current Weighted rating1467.0
Current Weighted performance1363.5
Current official/published rating (highest between Raw, WR and WP)1496.7
Current highest rating achieved1496.7
Current floor (min rating allowed)996.7
Current K-factor32
Games played this month5
Score (S)3.5
Expected score (We)3.10
Difference (S-We)0.26
Current Raw change (no limits, including tournament time weight)8.4
Current min/max change allowed (with limits)±108.7
Current Raw change used (final)8.4
Projected new Raw rating1505.1
Projected new Weighed rating1350.4
Projected new Weighted performance1429.2
Projected new final Raw rating (if new WP > new Raw)1505.1
Projected new highest rating1505.1
Projected new floor1005.1
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1505.1
Projected effective change (new Official - current Official)+8.4
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 rating1372.3
Current Weighted rating1372.3
Current Weighted performance626.1
Current official/published rating (highest between Raw, WR and WP)1372.3
Current highest rating achieved1377.0
Current floor (min rating allowed)877.0
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)±129.7
Current Raw change used (final)0.0
Projected new Raw rating1372.3
Projected new Weighed rating1262.5
Projected new Weighted performance626.1
Projected new final Raw rating (if new WP > new Raw)1372.3
Projected new highest rating1377.0
Projected new floor877.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1372.3
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 rating1505.3
Current Weighted rating1446.2
Current Weighted performance1428.3
Current official/published rating (highest between Raw, WR and WP)1505.3
Current highest rating achieved1505.3
Current floor (min rating allowed)1005.3
Current K-factor32
Games played this month5
Score (S)3.5
Expected score (We)3.02
Difference (S-We)0.48
Current Raw change (no limits, including tournament time weight)15.4
Current min/max change allowed (with limits)±107.3
Current Raw change used (final)15.4
Projected new Raw rating1520.7
Projected new Weighed rating1332.3
Projected new Weighted performance1504.5
Projected new final Raw rating (if new WP > new Raw)1520.7
Projected new highest rating1520.7
Projected new floor1020.7
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1520.7
Projected effective change (new Official - current Official)+15.4
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: The Rooibos Open 2024 (Elite)
Start: 2024/08/24  End: 2024/08/24  Host: WCU  Type: Rapid   Time: 35  Time weight: 0.66  Rounds: 5
Games: 5  Score: 3.5
Main rating: 1496.7  Rating gain/loss: 8.4
Type rating: 1505.3  Rating gain/loss: 15.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 The Rooibos Open 2024 (Elite) 2024/08/24 2024/08/24 West Coast (WCU) Rapid 35 0.66 5 5 3.5 1496.7 1505.3 Analysis
2 Vredendal North CC Open 2024 (Elite) 2024/07/27 2024/07/27 West Coast (WCU) Rapid 28 0.58 5 5 4.0 1464.8 1444.5 Analysis
1 Pedro Booyse Annual Rapid 2024 (Open) 2024/07/06 2024/07/06 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1464.8 1444.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
21 The Rooibos Open 2024 (Elite) 2024/08/24 2024/08/24 West Coast (WCU) Rapid 35 0.66 5 5 3.5 1496.7 1505.3 Analysis
20 Vredendal North CC Open 2024 (Elite) 2024/07/27 2024/07/27 West Coast (WCU) Rapid 28 0.58 5 5 4.0 1464.8 1444.5 Analysis
19 Pedro Booyse Annual Rapid 2024 (Open) 2024/07/06 2024/07/06 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1464.8 1444.5 Analysis
18 Youth Day 2 2023 (Elite) 2023/06/24 2023/06/24 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1461.3 1430.1 Analysis
17 PRBCC Closed 2023 (A) 2023/04/15 2023/04/15 West Coast (WCU) Rapid 35 0.66 6 6 6.0 1426.9 1342.6 Analysis
16 Western Cape Inter Region Cup 2021 (Open) 2022/03/04 2022/03/06 West Coast (WCU) Standard 90 0.94 5 5 3.5 1435.3 1377.0 Analysis
15 West Coast Schools Prestige 2022 (U18 Boys) 2022/02/19 2022/02/19 West Coast (WCU) Standard 60 0.83 6 0 0.0 1435.3 1377.0 Analysis
14 Bo-Weskus Skole Skaak Prestige 2021 (O18+O20 Seuns) 2021/05/08 2021/05/08 West Coast (WCU) Rapid 30 0.60 5 4 4.0 1423.6 1319.6 Analysis
13 Olifantsrivier CC 2021 (Invitational) 2021/03/27 2021/03/27 West Coast (WCU) Rapid 25 0.54 7 7 6.5 1390.4 1281.4 Analysis
12 Western Cape Schools Individuals 2019 (U15 Boys) 2019/05/04 2019/05/05 Eden District (WEG) Standard 60 0.83 6 6 4.0 1363.4 1344.7 Analysis
11 West Coast Open 2019 (B) 2019/04/27 2019/04/27 West Coast (WCU) Standard 90 0.94 5 5 4.0 1230.5 1202.2 Analysis
10 Moja Chess Club FIDE Open 2019 (B) 2019/03/21 2019/03/24 Frances Baard (NCF) Standard 90 0.94 7 7 2.0 1293.4 1257.6 Analysis
9 Weskus Skole Prestige Skaak Kampioenskappe 2019 (O15 Seuns) 2019/03/02 2019/04/06 West Coast (WCU) Standard 60 0.83 6 6 6.0 1230.5 1202.2 Analysis
8 Bo-Weskus Skole Skaak Prestige 2019 (O15 Seuns) 2019/02/16 2019/02/16 West Coast (WCU) Rapid 30 0.60 7 7 6.5 1264.2 1215.2 Analysis
7 St Helenabaai Open 2019 (U14) 2019/02/09 2019/02/09 West Coast (WCU) Standard 60 0.83 5 0 0.0 1264.2 1257.6 Analysis
6 2018 Wild Card Chess Championships (U14 Open) 2018/12/21 2018/12/24 4 Knights (4K) Standard 120 1.00 7 7 5.0 1218.5 1219.1 Analysis
5 South African Junior Team Championships 2018 (U14E) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 5.0 1218.5 1219.1 Analysis
4 Western Cape Kings & Queens 2018 (Boys) 2018/10/20 2018/10/20 Cape Winelands (WCW) Rapid 30 0.60 5 3 2.0 1215.5 1200.0 Analysis
3 Western Cape Top Schools 2018 (U15 Mix) 2018/08/25 2018/08/26 Overberg (WOS) Standard 60 0.83 5 5 2.0 1233.4 1241.1 Analysis
2 Western Cape Schools Individuals 2018 (U13 Boys) 2018/05/19 2018/05/20 Overberg (WOS) Standard 60 0.83 6 6 4.0 1208.6 1211.2 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 11 1 3 11.5 76.7 226.7 1363.9 1590.6
White 7 5 1 1 5.5 78.6 242.9 1337.9 1580.8
Black 8 6 0 2 6.0 75.0 212.5 1386.6 1599.1
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 15 11 1 3 11.5 76.7 226.7 1363.9 1590.6
White 7 5 1 1 5.5 78.6 242.9 1337.9 1580.8
Black 8 6 0 2 6.0 75.0 212.5 1386.6 1599.1
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 107 78 5 24 80.5 75.2 214.5 1194.0 1408.4
White 53 38 2 13 39.0 73.6 200.5 1189.4 1389.9
Black 54 40 3 11 41.5 76.9 228.2 1198.4 1426.6
Standard All 60 39 2 19 40.0 66.7 141.7 1164.5 1306.1
White 30 20 0 10 20.0 66.7 141.7 1161.1 1302.7
Black 30 19 2 9 20.0 66.7 141.7 1167.8 1309.5
Rapid All 47 39 3 5 40.5 86.2 307.4 1231.6 1539.1
White 23 18 2 3 19.0 82.6 277.2 1226.4 1503.6
Black 24 21 1 2 21.5 89.6 336.5 1236.6 1573.1
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 105093498 Arries, G (Gerswin) 3 3.0 3 0 0 100.0 1339.3 425.0 1764.3 View list
2 104093501 September, C (Carltin) 3 2.0 2 0 1 66.7 1372.9 141.7 1514.6 View list
3 106078570 Hausiku, M (Marco) 3 1.0 1 0 2 33.3 1369.6 -141.7 1227.9 View list
4 1870149742 Bouwer, D (Dawid) 2 2.0 2 0 0 100.0 1444.1 425.0 1869.1 View list
5 1050110467 Don, W (Wian) 2 2.0 2 0 0 100.0 1327.0 425.0 1752.0 View list
6 104068700 Jacobs, G (Gamiel) 2 2.0 2 0 0 100.0 1247.3 425.0 1672.3 View list
7 1930149743 Kotzee, W (Wesley) 2 2.0 2 0 0 100.0 1444.1 425.0 1869.1 View list
8 105093494 Schroeder, C (Carl) 2 2.0 2 0 0 100.0 1204.3 425.0 1629.3 View list
9 1110131966 Tieties, B (Beauton) 2 2.0 2 0 0 100.0 1445.8 425.0 1870.8 View list
10 1030099696 Wildschut, B (Bradley) 2 2.0 2 0 0 100.0 1412.8 425.0 1837.8 View list
11 1070110603 Bell, N (Neyo) 2 1.5 1 1 0 75.0 1480.8 212.5 1693.3 View list
12 105065442 Kleinhans, T (Theo) 2 1.0 1 0 1 50.0 1286.0 0.0 1286.0 View list
13 1080110427 Boks, M (Marquin) 1 1.0 1 0 0 100.0 1426.9 425.0 1851.9 View list
14 104078576 Beukes, W (William) 1 1.0 1 0 0 100.0 1230.5 425.0 1655.5 View list
15 106065267 Becker, M (Matthew) 1 1.0 1 0 0 100.0 1218.5 425.0 1643.5 View list
16 104056134 Boois, C (Conzay) 1 1.0 1 0 0 100.0 1230.5 425.0 1655.5 View list
17 203002584 Booyse, C (Chloe) 1 1.0 1 0 0 100.0 1230.5 425.0 1655.5 View list
18 101078563 Correia, S (Stephan) 1 1.0 1 0 0 100.0 1464.8 425.0 1889.8 View list
19 188005008 Cloete, LE (Leonard) 1 1.0 1 0 0 100.0 1464.8 425.0 1889.8 View list
20 105005003 Cloete, K (Kyle) 1 1.0 1 0 0 100.0 1264.2 425.0 1689.2 View list