Player Page

Kotzee, J (Juvan)
Dob: 2012/07/04 (U14)
Gender: Male
Chess SA id: 1120141044
FIDE id:
Region: Capricorn (LCP)
Citizen: RSA
Title(s):
Last active: 2024/05/25 (181 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 rating1479.6
Current Weighted rating1489.1
Current Weighted performance1322.8
Current official/published rating (highest between Raw, WR and WP)1489.1
Current highest rating achieved1576.3
Current floor (min rating allowed)1076.3
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)±111.3
Current Raw change used (final)0.0
Projected new Raw rating1479.6
Projected new Weighed rating1371.4
Projected new Weighted performance1322.8
Projected new final Raw rating (if new WP > new Raw)1479.6
Projected new highest rating1576.3
Projected new floor1076.3
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1479.6
Projected effective change (new Official - current Official)-9.5
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 rating1478.7
Current Weighted rating1495.4
Current Weighted performance1300.9
Current official/published rating (highest between Raw, WR and WP)1495.4
Current highest rating achieved1580.0
Current floor (min rating allowed)1080.0
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)±111.5
Current Raw change used (final)0.0
Projected new Raw rating1478.7
Projected new Weighed rating1376.7
Projected new Weighted performance1300.9
Projected new final Raw rating (if new WP > new Raw)1478.7
Projected new highest rating1580.0
Projected new floor1080.0
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1478.7
Projected effective change (new Official - current Official)-16.7
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 rating1234.2
Current Weighted rating1212.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1234.2
Current highest rating achieved1234.2
Current floor (min rating allowed)734.2
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)±157.9
Current Raw change used (final)0.0
Projected new Raw rating1234.2
Projected new Weighed rating1116.0
Projected new Weighted performance461.9
Projected new final Raw rating (if new WP > new Raw)1234.2
Projected new highest rating1234.2
Projected new floor734.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1234.2
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 rating1210.8
Current Weighted rating1210.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1210.8
Current highest rating achieved1210.8
Current floor (min rating allowed)710.8
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)±163.3
Current Raw change used (final)0.0
Projected new Raw rating1210.8
Projected new Weighed rating1113.9
Projected new Weighted performance326.7
Projected new final Raw rating (if new WP > new Raw)1210.8
Projected new highest rating1210.8
Projected new floor710.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1210.8
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 Capricorn District Primary Schools League Finals 2024 (U13A) 2024/05/25 2024/05/25 Capricorn (LCP) Rapid 32 0.63 5 4 3.0 1479.6 1200.0 Analysis
5 Capricorn Junior Qualifying 4 2024 (U14) 2024/05/04 2024/05/04 Capricorn (LCP) Standard 60 0.83 5 5 4.0 1465.8 1461.4 Analysis
4 Capricorn District Junior Qualifying 3 2024 (U14) 2024/03/09 2024/03/09 Capricorn (LCP) Standard 60 0.83 5 5 4.0 1511.7 1518.0 Analysis
3 Capricorn Open Chess Championship 2024 (A) 2024/03/02 2024/03/02 Capricorn (LCP) Standard 60 0.83 5 3 1.0 1511.7 1518.0 Analysis
2 Capricorn District Chess Junior Qualifying Tournament 2024 (U14) 2024/02/03 2024/02/03 Capricorn (LCP) Standard 60 0.83 5 5 5.0 1480.4 1478.6 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U12A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 0.0 1562.5 1565.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
15 Capricorn District Primary Schools League Finals 2024 (U13A) 2024/05/25 2024/05/25 Capricorn (LCP) Rapid 32 0.63 5 4 3.0 1479.6 1200.0 Analysis
14 Capricorn Junior Qualifying 4 2024 (U14) 2024/05/04 2024/05/04 Capricorn (LCP) Standard 60 0.83 5 5 4.0 1465.8 1461.4 Analysis
13 Capricorn District Junior Qualifying 3 2024 (U14) 2024/03/09 2024/03/09 Capricorn (LCP) Standard 60 0.83 5 5 4.0 1511.7 1518.0 Analysis
12 Capricorn Open Chess Championship 2024 (A) 2024/03/02 2024/03/02 Capricorn (LCP) Standard 60 0.83 5 3 1.0 1511.7 1518.0 Analysis
11 Capricorn District Chess Junior Qualifying Tournament 2024 (U14) 2024/02/03 2024/02/03 Capricorn (LCP) Standard 60 0.83 5 5 5.0 1480.4 1478.6 Analysis
10 2024 Gauteng Inter-Region Chess Championship (U12A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 0.0 1562.5 1565.6 Analysis
9 2023 Capricorn District Junior Final Trials (U12 Boys (Group 1)) 2023/11/11 2023/11/11 Capricorn (LCP) Standard 60 0.83 6 5 3.0 1576.3 1580.0 Analysis
8 Capricorn District Chess Qualifying Tournament 2023 (U12) 2023/10/28 2023/10/28 Capricorn (LCP) Standard 60 0.83 5 5 5.0 1466.1 1504.3 Analysis
7 Capricorn District Chess Qualifying Tournament 2023 (U12) 2023/10/28 2023/10/28 Capricorn (LCP) Standard 60 0.83 5 5 5.0 1466.1 1504.3 Analysis
6 Capricorn Qualifying March 2023 (U12) 2023/03/11 2023/03/11 Capricorn (LCP) Standard 60 0.83 5 5 5.0 1370.1 1382.8 Analysis
5 Capricorn Qualifying February 4th 2023 (U12) 2023/02/04 2023/02/04 Capricorn (LCP) Standard 60 0.83 5 5 5.0 1314.0 1320.5 Analysis
4 2022 South Africa Junior Blitz Chess Championships (U12) 2022/12/05 2022/12/05 4 Knights (4K) Blitz 5 0.18 7 7 4.0 1277.8 1200.0 Analysis
3 2022 South African Junior Team Chess Championships (U12 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 6 4.0 1277.8 1292.8 Analysis
2 Capricorn Qualifying August 2022 (U12) 2022/08/27 2022/08/27 Capricorn (LCP) Standard 60 0.83 5 5 4.0 1234.5 1242.0 Analysis
1 Capricorn Qualifying May 2022 (U12) 2022/05/21 2022/05/21 Capricorn (LCP) Standard 60 0.83 5 5 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 27 17 0 10 17.0 63.0 110.2 1301.8 1412.0
White 13 8 0 5 8.0 61.5 98.1 1307.2 1405.3
Black 14 9 0 5 9.0 64.3 121.4 1296.8 1418.3
Standard All 23 14 0 9 14.0 60.9 92.4 1308.3 1400.7
White 11 7 0 4 7.0 63.6 115.9 1322.9 1438.8
Black 12 7 0 5 7.0 58.3 70.8 1294.9 1365.7
Rapid All 4 3 0 1 3.0 75.0 212.5 1264.8 1477.3
White 2 1 0 1 1.0 50.0 0.0 1221.0 1221.0
Black 2 2 0 0 2.0 100.0 425.0 1308.7 1733.7
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 75 55 1 19 55.5 74.0 204.0 1267.0 1471.0
White 36 27 0 9 27.0 75.0 212.5 1273.2 1485.7
Black 39 28 1 10 28.5 73.1 196.2 1261.3 1457.4
Standard All 64 48 1 15 48.5 75.8 219.1 1270.2 1489.3
White 30 23 0 7 23.0 76.7 226.7 1281.7 1508.4
Black 34 25 1 8 25.5 75.0 212.5 1260.0 1472.5
Rapid All 4 3 0 1 3.0 75.0 212.5 1264.8 1477.3
White 2 1 0 1 1.0 50.0 0.0 1221.0 1221.0
Black 2 2 0 0 2.0 100.0 425.0 1308.7 1733.7
Blitz All 7 4 0 3 4.0 57.1 60.7 1239.0 1299.7
White 4 3 0 1 3.0 75.0 212.5 1235.0 1447.5
Black 3 1 0 2 1.0 33.3 -141.7 1244.4 1102.7
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1120141062 Motsifane, L (Lesedi) 4 4.0 4 0 0 100.0 1435.8 425.0 1860.8 View list
2 1130145358 Mamadi, A (Alpha) 3 3.0 3 0 0 100.0 1415.4 425.0 1840.4 View list
3 1120149378 Tebeila, L (Leago) 3 2.0 2 0 1 66.7 1475.6 141.7 1617.3 View list
4 2120190531 Kgafane, S (Shadi) 2 2.0 2 0 0 100.0 1466.1 425.0 1891.1 View list
5 1130141022 Malebati, B (Bentley) 2 2.0 2 0 0 100.0 1466.1 425.0 1891.1 View list
6 1110149406 Moloto, S (Sebala) 2 2.0 2 0 0 100.0 1480.0 425.0 1905.0 View list
7 1120141071 Ras, H (Henre) 2 2.0 2 0 0 100.0 1412.8 425.0 1837.8 View list
8 1130132664 Thobejane, D (Dimpho) 2 2.0 2 0 0 100.0 1466.1 425.0 1891.1 View list
9 1130141030 Verreynne, K (Kobus) 2 2.0 2 0 0 100.0 1473.2 425.0 1898.2 View list
10 1120141034 Bergh, M (Martin) 2 1.0 1 0 1 50.0 1371.8 0.0 1371.8 View list
11 1110135582 Malema, T (Thabile) 2 0.0 0 0 2 0.0 1332.9 -425.0 907.9 View list
12 1120151899 Baloyi, X (Xithembiso) 1 1.0 1 0 0 100.0 1480.4 425.0 1905.4 View list
13 1120141037 De Bruyn, D (Darius) 1 1.0 1 0 0 100.0 1370.1 425.0 1795.1 View list
14 1120145371 Coetzer, TC (Tyler) 1 1.0 1 0 0 100.0 1370.1 425.0 1795.1 View list
15 1120300434 Gwangwa, T (Thapelo) 1 1.0 1 0 0 100.0 1511.7 425.0 1936.7 View list
16 1140300482 Gashawbeza, N (Nathan) 1 1.0 1 0 0 100.0 1511.7 425.0 1936.7 View list
17 2120300675 Magolela, B (Boitumelo) 1 1.0 1 0 0 100.0 1511.7 425.0 1936.7 View list
18 1110141048 Lourens, J (Johannes) 1 1.0 1 0 0 100.0 1479.6 425.0 1904.6 View list
19 2120300473 Lepheana, B (Bokamoso) 1 1.0 1 0 0 100.0 1479.6 425.0 1904.6 View list
20 1120140598 Labuschagne, E (Edrich) 1 1.0 1 0 0 100.0 1277.8 425.0 1702.8 View list