Player Page

Jonker, W (William)
Dob: 2017/12/29 (U8)
Gender: Male
Chess SA id: 1170192575
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/05/05 (52 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 rating1184.3
Current Weighted rating1204.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1204.8
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)±169.6
Current Raw change used (final)0.0
Projected new Raw rating1184.3
Projected new Weighed rating1108.6
Projected new Weighted performance893.6
Projected new final Raw rating (if new WP > new Raw)1184.3
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)1184.3
Projected effective change (new Official - current Official)-20.5
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 rating1139.6
Current Weighted rating1195.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1195.2
Current highest rating achieved1139.6
Current floor (min rating allowed)639.6
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)±180.7
Current Raw change used (final)0.0
Projected new Raw rating1139.6
Projected new Weighed rating1099.4
Projected new Weighted performance326.3
Projected new final Raw rating (if new WP > new Raw)1139.6
Projected new highest rating1139.6
Projected new floor639.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1139.6
Projected effective change (new Official - current Official)-55.6
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 rating1255.1
Current Weighted rating1214.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1255.1
Current highest rating achieved1255.1
Current floor (min rating allowed)755.1
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)±153.3
Current Raw change used (final)0.0
Projected new Raw rating1255.1
Projected new Weighed rating1117.6
Projected new Weighted performance766.9
Projected new final Raw rating (if new WP > new Raw)1255.1
Projected new highest rating1255.1
Projected new floor755.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1255.1
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
3 Western Cape PS Individuals Championship 2024 (U7 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 2.0 1234.2 1200.0 Analysis
2 West Coast Schools Chess Prestige Championships 2024 (U7) 2024/03/09 2024/03/09 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1213.0 1221.6 Analysis
1 Bo-Weskus Skole Prestige 2024 (O7) 2024/02/10 2024/02/10 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Western Cape PS Individuals Championship 2024 (U7 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 2.0 1234.2 1200.0 Analysis
2 West Coast Schools Chess Prestige Championships 2024 (U7) 2024/03/09 2024/03/09 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1213.0 1221.6 Analysis
1 Bo-Weskus Skole Prestige 2024 (O7) 2024/02/10 2024/02/10 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 16 7 3 6 8.5 53.1 26.6 1177.5 1204.0
White 7 4 0 3 4.0 57.1 60.7 1183.9 1244.6
Black 9 3 3 3 4.5 50.0 0.0 1172.5 1172.5
Standard All 6 2 0 4 2.0 33.3 -141.7 1138.3 996.6
White 3 1 0 2 1.0 33.3 -141.7 1162.3 1020.7
Black 3 1 0 2 1.0 33.3 -141.7 1114.2 972.5
Rapid All 10 5 3 2 6.5 65.0 127.5 1201.0 1328.5
White 4 3 0 1 3.0 75.0 212.5 1200.0 1412.5
Black 6 2 3 1 3.5 58.3 70.8 1201.7 1272.5
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 7 3 6 8.5 53.1 26.6 1177.5 1204.0
White 7 4 0 3 4.0 57.1 60.7 1183.9 1244.6
Black 9 3 3 3 4.5 50.0 0.0 1172.5 1172.5
Standard All 6 2 0 4 2.0 33.3 -141.7 1138.3 996.6
White 3 1 0 2 1.0 33.3 -141.7 1162.3 1020.7
Black 3 1 0 2 1.0 33.3 -141.7 1114.2 972.5
Rapid All 10 5 3 2 6.5 65.0 127.5 1201.0 1328.5
White 4 3 0 1 3.0 75.0 212.5 1200.0 1412.5
Black 6 2 3 1 3.5 58.3 70.8 1201.7 1272.5
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 1170192621 Fourie, D (Duan) 2 1.0 1 0 1 50.0 1223.6 0.0 1223.6 View list
2 2170192581 Van Wyk, L (Lara) 2 0.5 0 1 1 25.0 1206.5 -212.5 994.0 View list
3 1170300082 Le Roux, M (Markus) 1 1.0 1 0 0 100.0 1234.2 425.0 1659.2 View list
4 1170193202 Jacobs, S (Stefiano) 1 1.0 1 0 0 100.0 1234.2 425.0 1659.2 View list
5 1170192574 De Wee, R (Robiniquin) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1170192573 De Klerk, F (Franquin) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 2170192579 Swartz, L (Leviah) 1 1.0 1 0 0 100.0 1213.0 425.0 1638.0 View list
8 2170192578 Skippers, D (Devedene) 1 1.0 1 0 0 100.0 1213.0 425.0 1638.0 View list
9 1170192580 Van Wyk, J (Jan) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
10 1170192627 Van Schalkwyk, L (Luke) 1 0.5 0 1 0 50.0 1213.0 0.0 1213.0 View list
11 1170153150 Vollgraaff, A (Alexander) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 1170149979 Saayman, J (Johannes) 1 0.0 0 0 1 0.0 1234.2 -425.0 809.2 View list
13 1170300085 Louw, S (Sarel Johannes) 1 0.0 0 0 1 0.0 1234.2 -425.0 809.2 View list
14 1170149856 Llopis Thomas, M (Matisse) 1 0.0 0 0 1 0.0 1234.2 -425.0 809.2 View list