Player Page

Oberholzer, J (Justin)
Dob: 2016/10/11 (U10)
Gender: Male
Chess SA id: 1160151390
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/05/18 (57 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 rating1181.5
Current Weighted rating1134.9
Current Weighted performance1165.4
Current official/published rating (highest between Raw, WR and WP)1181.5
Current highest rating achieved1237.0
Current floor (min rating allowed)737.0
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)±170.2
Current Raw change used (final)0.0
Projected new Raw rating1181.5
Projected new Weighed rating1042.4
Projected new Weighted performance1165.4
Projected new final Raw rating (if new WP > new Raw)1181.5
Projected new highest rating1237.0
Projected new floor737.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1181.5
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 rating1132.4
Current Weighted rating1119.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1132.4
Current highest rating achieved1188.4
Current floor (min rating allowed)688.4
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)±182.6
Current Raw change used (final)0.0
Projected new Raw rating1132.4
Projected new Weighed rating1027.6
Projected new Weighted performance930.1
Projected new final Raw rating (if new WP > new Raw)1132.4
Projected new highest rating1188.4
Projected new floor688.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1132.4
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 rating1219.0
Current Weighted rating1168.9
Current Weighted performance1165.8
Current official/published rating (highest between Raw, WR and WP)1219.0
Current highest rating achieved1261.6
Current floor (min rating allowed)761.6
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)±161.4
Current Raw change used (final)0.0
Projected new Raw rating1219.0
Projected new Weighed rating1074.4
Projected new Weighted performance1165.8
Projected new final Raw rating (if new WP > new Raw)1219.0
Projected new highest rating1261.6
Projected new floor761.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1219.0
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
5 West Coast & Mykonos Open 2024 (U10) 2024/05/18 2024/05/18 West Coast (WCU) Standard 60 0.83 5 4 1.0 1123.5 1073.2 Analysis
4 Lower West Top Schools 2024 (U9+U11) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1123.5 1185.2 Analysis
3 Western Cape PS Individuals Championship 2024 (U9 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.5 1123.5 1073.2 Analysis
2 West Coast Schools Chess Prestige Championships 2024 (U9 Boys) 2024/03/09 2024/03/09 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1098.2 1149.9 Analysis
1 Lower West Coast Schools Chess Prestige 2024 (U9 Boys) 2024/02/17 2024/02/17 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1058.9 1089.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
10 West Coast & Mykonos Open 2024 (U10) 2024/05/18 2024/05/18 West Coast (WCU) Standard 60 0.83 5 4 1.0 1123.5 1073.2 Analysis
9 Lower West Top Schools 2024 (U9+U11) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1123.5 1185.2 Analysis
8 Western Cape PS Individuals Championship 2024 (U9 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.5 1123.5 1073.2 Analysis
7 West Coast Schools Chess Prestige Championships 2024 (U9 Boys) 2024/03/09 2024/03/09 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1098.2 1149.9 Analysis
6 Lower West Coast Schools Chess Prestige 2024 (U9 Boys) 2024/02/17 2024/02/17 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1058.9 1089.1 Analysis
5 West Coast Primary Schools Grand Challenge League 2023 (Primary School) 2023/10/21 2023/10/21 West Coast (WCU) Rapid 15 0.39 5 5 0.0 1081.4 1161.5 Analysis
4 Western Cape Top Schools 2023 (U7 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 5 5 0.0 1169.5 1188.4 Analysis
3 Pedro Booyse Top Schools 2023 (U7+U9) 2023/07/29 2023/07/29 West Coast (WCU) Rapid 25 0.54 5 5 0.0 1221.2 1261.6 Analysis
2 Western Cape PS Individuals 2023 (U7 Boys) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 2.5 1237.0 1200.0 Analysis
1 Lower West Coast Primary Schools Prestige Championships 2023 (U7 Boys+Girls) 2023/03/04 2023/03/04 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 25 13 2 10 14.0 56.0 51.0 1233.1 1284.1
White 12 6 0 6 6.0 50.0 0.0 1226.7 1226.7
Black 13 7 2 4 8.0 61.5 98.1 1239.1 1337.2
Standard All 10 4 1 5 4.5 45.0 -42.5 1261.0 1218.5
White 5 2 0 3 2.0 40.0 -85.0 1263.1 1178.1
Black 5 2 1 2 2.5 50.0 0.0 1258.9 1258.9
Rapid All 15 9 1 5 9.5 63.3 113.3 1214.5 1327.9
White 7 4 0 3 4.0 57.1 60.7 1200.6 1261.3
Black 8 5 1 2 5.5 68.8 159.4 1226.7 1386.1
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 51 19 3 29 20.5 40.2 -83.3 1209.3 1125.9
White 25 7 1 17 7.5 30.0 -170.0 1200.1 1030.1
Black 26 12 2 12 13.0 50.0 0.0 1218.1 1218.1
Standard All 21 6 2 13 7.0 33.3 -141.7 1205.3 1063.6
White 11 2 1 8 2.5 22.7 -231.8 1177.0 945.1
Black 10 4 1 5 4.5 45.0 -42.5 1236.4 1193.9
Rapid All 30 13 1 16 13.5 45.0 -42.5 1212.0 1169.5
White 14 5 0 9 5.0 35.7 -121.4 1218.3 1096.9
Black 16 8 1 7 8.5 53.1 26.6 1206.6 1233.2
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 2160153827 Da Camara, I (Izabella) 3 1.0 1 0 2 33.3 1135.0 -141.7 993.3 View list
2 1160153832 Revmatas, N (Nikolai) 2 2.0 2 0 0 100.0 1149.1 425.0 1574.1 View list
3 1150137315 Thomson, M (Matthew) 2 1.0 1 0 1 50.0 1140.1 0.0 1140.1 View list
4 2160153133 Afrika, N (Nazley) 2 0.0 0 0 2 0.0 1195.3 -425.0 770.3 View list
5 1150142282 Swartz, R (Rowan) 2 0.0 0 0 2 0.0 1151.3 -425.0 726.3 View list
6 1160153833 Van Eden, C (Christian) 1 1.0 1 0 1 100.0 1058.9 425.0 1483.9 View list
7 1150304265 Appolis, D (Diego) 1 1.0 1 0 0 100.0 1123.5 425.0 1548.5 View list
8 1160153826 Chetty, A (Amasai) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1160152344 Faasen, C (Charles) 1 1.0 1 0 0 100.0 1237.0 425.0 1662.0 View list
10 1150153837 Flink, J (Jumelio) 1 1.0 1 0 0 100.0 1098.2 425.0 1523.2 View list
11 1150154652 Fourie, D (David) 1 1.0 1 0 0 100.0 1123.5 425.0 1548.5 View list
12 2150191162 Kersov, A (Althea) 1 1.0 1 0 0 100.0 1123.5 425.0 1548.5 View list
13 2160153830 Hendricks, W (Willow) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1160150929 Lengisi, T (Thando) 1 1.0 1 0 0 100.0 1237.0 425.0 1662.0 View list
15 1160150066 Lingenfelder, S (Stephanus) 1 1.0 1 0 0 100.0 1123.5 425.0 1548.5 View list
16 1150192870 Smith, H (Hayden) 1 1.0 1 0 0 100.0 1123.5 425.0 1548.5 View list
17 1160153149 Snyman, J (Jerran) 1 1.0 1 0 0 100.0 1098.2 425.0 1523.2 View list
18 2130139089 Swartz, A (Ashan) 1 1.0 1 0 0 100.0 1123.5 425.0 1548.5 View list
19 1150304924 Titus, M (Michael John) 1 1.0 1 0 0 100.0 1123.5 425.0 1548.5 View list
20 1160192637 Van Der Berg, A (Anroux) 1 1.0 1 0 0 100.0 1058.9 425.0 1483.9 View list