Player Page

Van Zyl, J (Jd)
Dob: 2007/01/14 (U18)
Gender: Male
Chess SA id: 1070114939
FIDE id:
Region: Mangaung (FMB)
Citizen: RSA
Title(s):
Last active: 2024/03/08 (259 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 rating1098.1
Current Weighted rating1102.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1102.7
Current highest rating achieved1133.5
Current floor (min rating allowed)633.5
Current K-factor40
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)±191.7
Current Raw change used (final)0.0
Projected new Raw rating1098.1
Projected new Weighed rating1014.4
Projected new Weighted performance627.0
Projected new final Raw rating (if new WP > new Raw)1098.1
Projected new highest rating1133.5
Projected new floor633.5
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1098.1
Projected effective change (new Official - current Official)-4.6
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 rating1069.6
Current Weighted rating1069.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1069.6
Current highest rating achieved1119.2
Current floor (min rating allowed)619.2
Current K-factor40
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)±199.7
Current Raw change used (final)0.0
Projected new Raw rating1069.6
Projected new Weighed rating984.0
Projected new Weighted performance190.1
Projected new final Raw rating (if new WP > new Raw)1069.6
Projected new highest rating1119.2
Projected new floor619.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1069.6
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 rating1167.3
Current Weighted rating1185.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1185.5
Current highest rating achieved1207.6
Current floor (min rating allowed)707.6
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)±173.7
Current Raw change used (final)0.0
Projected new Raw rating1167.3
Projected new Weighed rating1090.0
Projected new Weighted performance547.6
Projected new final Raw rating (if new WP > new Raw)1167.3
Projected new highest rating1207.6
Projected new floor707.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1167.3
Projected effective change (new Official - current Official)-18.2
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
1 Bloemfontein Highschool League 2024 (U17A) 2024/03/08 2024/03/08 Mangaung (FMB) Rapid 15 0.39 5 3 1.0 1108.7 1207.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Bloemfontein Highschool League 2024 (U17A) 2024/03/08 2024/03/08 Mangaung (FMB) Rapid 15 0.39 5 3 1.0 1108.7 1207.6 Analysis
3 Bloemfontein Highschool League 24 Feb 2023 (U17) 2023/02/24 2023/02/24 Mangaung (FMB) Rapid 17 0.42 5 5 3.0 1091.2 1200.0 Analysis
2 Mangaung Metro Chess February 2020 (D) 2020/02/21 2020/02/22 Mangaung (FMB) Standard 62 0.84 5 4 1.0 1133.5 1119.2 Analysis
1 Mangaung Metro Chess 31 May to 1 June 2019 (D) 2019/05/31 2019/06/01 Mangaung (FMB) Standard 62 0.84 5 5 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 3 1 0 2 1.0 33.3 -141.7 1068.4 926.7
White 2 1 0 1 1.0 50.0 0.0 1256.1 1256.1
Black 1 0 0 1 0.0 0.0 -425.0 692.9 267.9
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 3 1 0 2 1.0 33.3 -141.7 1068.4 926.7
White 2 1 0 1 1.0 50.0 0.0 1256.1 1256.1
Black 1 0 0 1 0.0 0.0 -425.0 692.9 267.9
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 17 6 0 11 6.0 35.3 -125.0 1123.5 998.5
White 10 4 0 6 4.0 40.0 -85.0 1161.2 1076.2
Black 7 2 0 5 2.0 28.6 -182.1 1069.7 887.6
Standard All 9 2 0 7 2.0 22.2 -236.1 1104.1 868.0
White 5 1 0 4 1.0 20.0 -255.0 1086.1 831.1
Black 4 1 0 3 1.0 25.0 -212.5 1126.7 914.2
Rapid All 8 4 0 4 4.0 50.0 0.0 1145.3 1145.3
White 5 3 0 2 3.0 60.0 85.0 1236.3 1321.3
Black 3 1 0 2 1.0 33.3 -141.7 993.8 852.1
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 107086937 Liversage, S (Samuel) 1 1.0 1 0 0 100.0 1133.5 425.0 1558.5 View list
2 1070149060 Plowman, A (Angelo) 1 1.0 1 0 0 100.0 1091.2 425.0 1516.2 View list
3 1080149103 Nieman, A (Angelo) 1 1.0 1 0 0 100.0 1091.2 425.0 1516.2 View list
4 1070138200 Mphephuka, B (Botshelo) 1 1.0 1 0 0 100.0 1091.2 425.0 1516.2 View list
5 207086204 Cordon, J (Jesse) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1100192008 Tjalkosi, V (Vuyo) 1 1.0 1 0 0 100.0 1108.7 425.0 1533.7 View list
7 1080111367 Van Niekerk, A (Adrian) 1 0.0 0 0 1 0.0 1091.2 -425.0 666.2 View list
8 1080105438 Schrader, J (Jalon) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 109076053 Scheepers, CAJ (Christiaan) 1 0.0 0 0 1 0.0 1108.7 -425.0 683.7 View list
10 1090100917 Chabeli, T (Tshepo) 1 0.0 0 0 1 0.0 1133.5 -425.0 708.5 View list
11 1060111831 Mitchell, V (Vanadium) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 1090100919 Lechoano, M (Mpho) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
13 1090111834 Khoete, B (Bokang) 1 0.0 0 0 1 0.0 1133.5 -425.0 708.5 View list
14 108086183 Janse Van Vuuren, J (Janus) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 109086201 Hattingh, E (Eckhard) 1 0.0 0 0 1 0.0 1108.7 -425.0 683.7 View list
16 107069733 Grace, G (Garran) 1 0.0 0 0 1 0.0 1091.2 -425.0 666.2 View list
17 108086945 Geyser, H (Heinrich) 1 0.0 0 0 1 0.0 1133.5 -425.0 708.5 View list