Player Page

Witthuhn, J (Jan Ayden)
Dob: 2008/03/04 (U18)
Gender: Male
Chess SA id: 1080098163
FIDE id:
Region: Mangaung (FMB)
Citizen: RSA
Title(s):
Last active: 2024/02/24 (122 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 rating1106.5
Current Weighted rating1099.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1106.5
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)±189.4
Current Raw change used (final)0.0
Projected new Raw rating1106.5
Projected new Weighed rating1011.3
Projected new Weighted performance694.6
Projected new final Raw rating (if new WP > new Raw)1106.5
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)1106.5
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 rating1080.0
Current Weighted rating1065.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1080.0
Current highest rating achieved1080.0
Current floor (min rating allowed)580.0
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)±196.7
Current Raw change used (final)0.0
Projected new Raw rating1080.0
Projected new Weighed rating980.4
Projected new Weighted performance399.6
Projected new final Raw rating (if new WP > new Raw)1080.0
Projected new highest rating1080.0
Projected new floor580.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1080.0
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 rating1196.4
Current Weighted rating1197.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1197.8
Current highest rating achieved1196.4
Current floor (min rating allowed)696.4
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)±166.7
Current Raw change used (final)0.0
Projected new Raw rating1196.4
Projected new Weighed rating1101.9
Projected new Weighted performance358.4
Projected new final Raw rating (if new WP > new Raw)1196.4
Projected new highest rating1196.4
Projected new floor696.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1196.4
Projected effective change (new Official - current Official)-1.4
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 performance84.1
Projected new final Raw rating (if new WP > new Raw)1200.0
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 Grey College Team Championship 2024 (B) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 4 2.0 1098.7 1059.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Grey College Team Championship 2024 (B) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 4 2.0 1098.7 1059.2 Analysis
3 Bloemfontein HS League 27 October 2023 (U13-U17) 2023/10/27 2023/10/27 Cape Winelands (WCW) Rapid 15 0.39 5 4 2.0 1093.6 1200.0 Analysis
2 Mangaung Metro Chess 20-21 April 2018 (E) 2018/04/20 2018/04/21 Mangaung (FMB) Standard 62 0.84 5 4 0.0 1200.0 1200.0 Analysis
1 Smart Chess Blitz 2018 (U12) 2018/03/03 2018/03/03 Mangaung (FMB) Blitz 5 0.18 7 4 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 4 2 0 2 2.0 50.0 0.0 1156.2 1156.2
White 2 1 0 1 1.0 50.0 0.0 1112.4 1112.4
Black 2 1 0 1 1.0 50.0 0.0 1200.0 1200.0
Standard All 4 2 0 2 2.0 50.0 0.0 1156.2 1156.2
White 2 1 0 1 1.0 50.0 0.0 1112.4 1112.4
Black 2 1 0 1 1.0 50.0 0.0 1200.0 1200.0
Rapid 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
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 16 6 0 10 6.0 37.5 -106.3 1084.0 977.8
White 8 3 0 5 3.0 37.5 -106.3 1116.3 1010.1
Black 8 3 0 5 3.0 37.5 -106.3 1051.8 945.5
Standard All 8 2 0 6 2.0 25.0 -212.5 982.0 769.5
White 4 1 0 3 1.0 25.0 -212.5 1040.5 828.0
Black 4 1 0 3 1.0 25.0 -212.5 923.4 710.9
Rapid All 4 2 0 2 2.0 50.0 0.0 1172.2 1172.2
White 2 1 0 1 1.0 50.0 0.0 1184.2 1184.2
Black 2 1 0 1 1.0 50.0 0.0 1160.2 1160.2
Blitz All 4 2 0 2 2.0 50.0 0.0 1200.0 1200.0
White 2 1 0 1 1.0 50.0 0.0 1200.0 1200.0
Black 2 1 0 1 1.0 50.0 0.0 1200.0 1200.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 210086184 Beelders, K (Kyra) 2 1.0 1 0 1 50.0 1146.8 0.0 1146.8 View list
2 1070098161 Khoaele, T (Thuto) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 2140153477 Nthapo, R (Relebohile) 1 1.0 1 0 0 100.0 1093.6 425.0 1518.6 View list
4 1080098165 November, A (Ayahluma) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 2090192006 Schoeman, C (Cara) 1 1.0 1 0 0 100.0 1098.7 425.0 1523.7 View list
6 2130148586 Rametsi, O (Oarabile) 1 1.0 1 0 0 100.0 1098.7 425.0 1523.7 View list
7 1070098166 Truter, P (Pieter-Ben) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 2070149105 Phalole, R (Reatile) 1 0.0 0 0 1 0.0 1098.7 -425.0 673.7 View list
9 1090096009 Pelesa, O (Oratilwe) 1 0.0 0 0 1 0.0 1093.6 -425.0 668.6 View list
10 1080098159 Metsing, P (Pelenolo) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 1100145458 Lephoi, X (Xaba) 1 0.0 0 0 1 0.0 1093.6 -425.0 668.6 View list
12 108086945 Geyser, H (Heinrich) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
13 207086191 Codron, J (Jesse) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 2090100904 Chen, E (Emily) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1060191979 Brown, C (Connor) 1 0.0 0 0 1 0.0 1098.7 -425.0 673.7 View list