Player Page

Visser, D (David)
Dob: 2014/01/19 (U12)
Gender: Male
Chess SA id: 1140162878
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (43 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 rating1199.0
Current Weighted rating1183.5
Current Weighted performance1176.3
Current official/published rating (highest between Raw, WR and WP)1199.0
Current highest rating achieved1222.0
Current floor (min rating allowed)722.0
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)±166.1
Current Raw change used (final)0.0
Projected new Raw rating1199.0
Projected new Weighed rating1088.4
Projected new Weighted performance1176.3
Projected new final Raw rating (if new WP > new Raw)1199.0
Projected new highest rating1222.0
Projected new floor722.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1199.0
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 rating1156.1
Current Weighted rating1199.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1199.4
Current highest rating achieved1219.1
Current floor (min rating allowed)719.1
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)±176.5
Current Raw change used (final)0.0
Projected new Raw rating1156.1
Projected new Weighed rating1103.4
Projected new Weighted performance675.0
Projected new final Raw rating (if new WP > new Raw)1156.1
Projected new highest rating1219.1
Projected new floor719.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1156.1
Projected effective change (new Official - current Official)-43.3
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 rating1245.0
Current Weighted rating1178.5
Current Weighted performance1224.2
Current official/published rating (highest between Raw, WR and WP)1245.0
Current highest rating achieved1245.0
Current floor (min rating allowed)745.0
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)±155.5
Current Raw change used (final)0.0
Projected new Raw rating1245.0
Projected new Weighed rating1083.8
Projected new Weighted performance1224.2
Projected new final Raw rating (if new WP > new Raw)1245.0
Projected new highest rating1245.0
Projected new floor745.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1245.0
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 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
6 Robertson Strategema Chess May 2024 (U11) 2024/05/11 2024/05/11 Cape Winelands (WCW) Rapid 30 0.60 5 5 3.0 1222.0 1218.0 Analysis
5 Western Cape PS Individuals Championship 2024 (U11 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 1.0 1222.0 1219.1 Analysis
4 Brave Knights 2024 (U9) 2024/03/16 2024/03/16 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.0 1168.5 1171.2 Analysis
3 Cape Winelands Schools - Prestige 2024 (U11 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1168.5 1200.0 Analysis
2 Cape Winelands Schools - PS Trials 1 2024 (U11 Boys) 2024/02/10 2024/02/10 Cape Winelands (WCW) Rapid 35 0.66 6 6 3.0 1151.6 1143.5 Analysis
1 Cape Winelands - Marie Delport Memorial 2024 (U12) 2024/01/27 2024/01/27 Cape Winelands (WCW) Rapid 20 0.47 6 6 3.0 1138.7 1105.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 Robertson Strategema Chess May 2024 (U11) 2024/05/11 2024/05/11 Cape Winelands (WCW) Rapid 30 0.60 5 5 3.0 1222.0 1218.0 Analysis
6 Western Cape PS Individuals Championship 2024 (U11 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 1.0 1222.0 1219.1 Analysis
5 Brave Knights 2024 (U9) 2024/03/16 2024/03/16 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.0 1168.5 1171.2 Analysis
4 Cape Winelands Schools - Prestige 2024 (U11 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1168.5 1200.0 Analysis
3 Cape Winelands Schools - PS Trials 1 2024 (U11 Boys) 2024/02/10 2024/02/10 Cape Winelands (WCW) Rapid 35 0.66 6 6 3.0 1151.6 1143.5 Analysis
2 Cape Winelands - Marie Delport Memorial 2024 (U12) 2024/01/27 2024/01/27 Cape Winelands (WCW) Rapid 20 0.47 6 6 3.0 1138.7 1105.7 Analysis
1 Worcester Knock-Out 2023 (U9 Boys) 2023/10/14 2023/10/14 Cape Winelands (WCW) Rapid 30 0.60 6 5 0.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 34 17 0 17 17.0 50.0 0.0 1249.4 1249.4
White 15 7 0 8 7.0 46.7 -28.3 1262.9 1234.5
Black 19 10 0 9 10.0 52.6 22.4 1238.8 1261.1
Standard All 11 4 0 7 4.0 36.4 -115.9 1276.1 1160.2
White 4 2 0 2 2.0 50.0 0.0 1258.3 1258.3
Black 7 2 0 5 2.0 28.6 -182.1 1286.3 1104.1
Rapid All 23 13 0 10 13.0 56.5 55.4 1236.6 1292.1
White 11 5 0 6 5.0 45.5 -38.6 1264.5 1225.9
Black 12 8 0 4 8.0 66.7 141.7 1211.0 1352.7
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 39 17 0 22 17.0 43.6 -54.5 1236.5 1182.0
White 18 7 0 11 7.0 38.9 -94.4 1245.2 1150.7
Black 21 10 0 11 10.0 47.6 -20.2 1229.0 1208.8
Standard All 11 4 0 7 4.0 36.4 -115.9 1276.1 1160.2
White 4 2 0 2 2.0 50.0 0.0 1258.3 1258.3
Black 7 2 0 5 2.0 28.6 -182.1 1286.3 1104.1
Rapid All 28 13 0 15 13.0 46.4 -30.4 1220.9 1190.6
White 14 5 0 9 5.0 35.7 -121.4 1241.4 1120.0
Black 14 8 0 6 8.0 57.1 60.7 1200.4 1261.1
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 1140139698 Visser, AJC (Alwyn Jacobus Christiaan) 2 1.0 1 0 1 50.0 1222.0 0.0 1222.0 View list
2 1130146573 Krynauw, E (Eben) 2 0.0 0 0 2 0.0 1186.8 -425.0 761.8 View list
3 1130137651 Van Tonder, L (Luhann) 2 0.0 0 0 2 0.0 1195.3 -425.0 770.3 View list
4 1130141764 Le Roux, A (Alexander) 1 1.0 1 0 0 100.0 1168.5 425.0 1593.5 View list
5 2140149832 Colyn, E (Estelanie) 1 1.0 1 0 0 100.0 1138.7 425.0 1563.7 View list
6 2130137564 Coetzee, E (Emma) 1 1.0 1 0 0 100.0 1138.7 425.0 1563.7 View list
7 1150192865 Coetzee, A (Abraham) 1 1.0 1 0 0 100.0 1168.5 425.0 1593.5 View list
8 2150162880 Du Toit, S (Shanika) 1 1.0 1 0 0 100.0 1168.5 425.0 1593.5 View list
9 1130191722 Greeff, M (Matthys) 1 1.0 1 0 0 100.0 1138.7 425.0 1563.7 View list
10 1130139480 Herklaas, J (Josh) 1 1.0 1 0 0 100.0 1151.6 425.0 1576.6 View list
11 1160146207 Kleinbooi, R (Riley) 1 1.0 1 0 0 100.0 1168.5 425.0 1593.5 View list
12 2140140074 Oliphant, E (Elnique) 1 1.0 1 0 0 100.0 1222.0 425.0 1647.0 View list
13 1130192798 Osman, N (Noah) 1 1.0 1 0 0 100.0 1151.6 425.0 1576.6 View list
14 1140156885 Philander, L (Liam) 1 1.0 1 0 0 100.0 1168.5 425.0 1593.5 View list
15 1140192801 Prinsloo, W (Willem) 1 1.0 1 0 0 100.0 1168.5 425.0 1593.5 View list
16 1140139152 Sacco, A (Ansley) 1 1.0 1 0 0 100.0 1222.0 425.0 1647.0 View list
17 2130304711 Sekoe, M (Mellinda) 1 1.0 1 0 0 100.0 1222.0 425.0 1647.0 View list
18 1140192806 Titus, R (Rumark) 1 1.0 1 0 0 100.0 1151.6 425.0 1576.6 View list
19 2150156948 Visser, A (Amiera) 1 1.0 1 0 0 100.0 1168.5 425.0 1593.5 View list
20 2130148018 Kotze, M (Maxlin Lee) 1 0.0 0 0 1 0.0 1222.0 -425.0 797.0 View list