Player Page

Kamffer, J (John-Andrew)
Dob: 2015/12/15 (U10)
Gender: Male
Chess SA id: 1150149230
FIDE id:
Region: West Rand (GWR)
Citizen: RSA
Title(s):
Last active: 2024/05/04 (14 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
Curent Raw rating1153.0
Curent Weighted rating1183.1
Curent Weighted performance1055.3
Current official/published rating (highest between Raw, WR and WP)1183.1
Current floor (min rating allowed)722.6
Current highest rating achieved1222.6
Current K-factor36
Games played this month5
Score (S)4.0
Expected score (We)1.89
Difference (S-We)2.11
Current Raw change (no limits, including tournament time weight)63.0
Current min/max change allowed (with limits)±177.3
Current Raw change used (final)63.0
Projected new Raw rating1216.0
Projected new Weighed rating1185.3
Projected new Weighted performance1055.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1216.0
Projected effective change (new Official - current Official)+33.0
Projected new highest rating1222.6
Projected new floor722.6
Projected new K-facor36
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
Curent Raw rating1150.0
Curent Weighted rating1181.5
Curent Weighted performance1051.9
Current official/published rating (highest between Raw, WR and WP)1181.5
Current floor (min rating allowed)728.8
Current highest rating achieved1228.8
Current K-factor36
Games played this month5
Score (S)4.0
Expected score (We)1.87
Difference (S-We)2.13
Current Raw change (no limits, including tournament time weight)76.7
Current min/max change allowed (with limits)±178.1
Current Raw change used (final)76.7
Projected new Raw rating1226.7
Projected new Weighed rating1184.7
Projected new Weighted performance1051.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1226.7
Projected effective change (new Official - current Official)+45.2
Projected new highest rating1228.8
Projected new floor728.8
Projected new K-facor36
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
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Tournaments
Tournament: 2024 D2 Schools Individuals (U9)
Start: 2024/05/04  End: 2024/05/04  Host: GWR  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 4.0
Main rating: 1153.0  Rating gain/loss: 63.0
Type rating: 1150.0  Rating gain/loss: 76.7
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 2024 D2 Schools Individuals (U9) 2024/05/04 2024/05/04 West Rand (GWR) Standard 60 0.83 5 5 4.0 1153.0 1150.0 Analysis
3 2024 West Rand Juniors (U10) 2024/03/09 2024/03/09 West Rand (GWR) Standard 60 0.83 5 4 1.0 1176.0 1179.5 Analysis
2 2024 West Rand Open (U10) 2024/02/03 2024/02/03 West Rand (GWR) Standard 60 0.83 5 5 3.0 1139.2 1133.8 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U10B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 0.0 1198.4 1196.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
12 2024 D2 Schools Individuals (U9) 2024/05/04 2024/05/04 West Rand (GWR) Standard 60 0.83 5 5 4.0 1153.0 1150.0 Analysis
11 2024 West Rand Juniors (U10) 2024/03/09 2024/03/09 West Rand (GWR) Standard 60 0.83 5 4 1.0 1176.0 1179.5 Analysis
10 2024 West Rand Open (U10) 2024/02/03 2024/02/03 West Rand (GWR) Standard 60 0.83 5 5 3.0 1139.2 1133.8 Analysis
9 2024 Gauteng Inter-Region Chess Championship (U10B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 0.0 1198.4 1196.8 Analysis
8 West Rand vs Bojanala Inter-Regional Championships 2023 (U10) 2023/10/14 2023/10/14 West Rand (GWR) Standard 60 0.83 5 5 1.0 1212.1 1214.8 Analysis
7 2023 West Rand Trials (U10) 2023/09/09 2023/09/09 West Rand (GWR) Standard 60 0.83 5 5 2.5 1209.3 1211.9 Analysis
6 2023 Gauteng Top Schools (U9 Mixed) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 5 3.0 1141.3 1128.7 Analysis
5 West Rand at Bastion 2023 (U10) 2023/08/05 2023/08/05 West Rand (GWR) Standard 60 0.83 5 5 3.5 1141.3 1128.7 Analysis
4 D2 School League Finals 2023 (U9) 2023/07/22 2023/07/22 West Rand (GWR) Standard 60 0.83 7 6 0.0 1222.6 1228.8 Analysis
3 2023 West Rand RHS Open (U10) 2023/06/10 2023/06/10 West Rand (GWR) Standard 60 0.83 5 5 3.5 1182.1 1178.4 Analysis
2 WR Tournament and Coaching 2023 (U10) 2023/02/25 2023/02/25 West Rand (GWR) Standard 60 0.83 5 4 2.0 1200.0 1200.0 Analysis
1 2023 West Rand Open (U10) 2023/02/04 2023/02/04 West Rand (GWR) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 18 8 0 10 8.0 44.4 -47.2 1258.4 1211.2
White 10 6 0 4 6.0 60.0 85.0 1209.8 1294.8
Black 8 2 0 6 2.0 25.0 -212.5 1319.2 1106.7
Standard All 18 8 0 10 8.0 44.4 -47.2 1258.4 1211.2
White 10 6 0 4 6.0 60.0 85.0 1209.8 1294.8
Black 8 2 0 6 2.0 25.0 -212.5 1319.2 1106.7
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 58 22 7 29 25.5 44.0 -51.3 1245.3 1194.0
White 31 12 5 14 14.5 46.8 -27.4 1223.9 1196.4
Black 27 10 2 15 11.0 40.7 -78.7 1270.0 1191.3
Standard All 58 22 7 29 25.5 44.0 -51.3 1245.3 1194.0
White 31 12 5 14 14.5 46.8 -27.4 1223.9 1196.4
Black 27 10 2 15 11.0 40.7 -78.7 1270.0 1191.3
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1150149223 Botha, AZ (Adriaan Zander) 3 0.0 0 0 3 0.0 1194.0 -425.0 769.0 View list
2 1150157468 Ninham, G (Grant) 2 2.0 2 0 0 100.0 1161.7 425.0 1586.7 View list
3 1160156372 Britz, W (Wian) 2 1.0 1 0 1 50.0 1164.5 0.0 1164.5 View list
4 2160159291 Kalimashe, L (Liyabukwa) 2 1.0 1 0 1 50.0 1157.6 0.0 1157.6 View list
5 1150149231 Laubscher, D (Declan) 2 1.0 1 0 1 50.0 1200.0 0.0 1200.0 View list
6 1150159296 Willemse, B (Bernard) 2 0.5 0 1 1 25.0 1147.2 -212.5 934.7 View list
7 2150156385 Vis, K (Katlego) 2 0.0 0 0 2 0.0 1192.7 -425.0 767.7 View list
8 1150144068 Kotsokoane, R (Reotshepile) 1 1.0 1 0 0 100.0 1212.1 425.0 1637.1 View list
9 1150159298 Kloppers, B (Ben) 1 1.0 1 0 0 100.0 1141.3 425.0 1566.3 View list
10 1140154497 Machine, K (Kwezi) 1 1.0 1 0 0 100.0 1182.1 425.0 1607.1 View list
11 1150149232 Le Roux, K (Keano) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
12 2150156373 Erasmus, S (Sonja) 1 1.0 1 0 0 100.0 1153.0 425.0 1578.0 View list
13 2160161841 Du Toit, K (Klaradyn) 1 1.0 1 0 0 100.0 1176.0 425.0 1601.0 View list
14 1180159293 Myburgh, M (Morne) 1 1.0 1 0 0 100.0 1139.2 425.0 1564.2 View list
15 1140161314 Ngwenya, O (Owethu) 1 1.0 1 0 0 100.0 1141.3 425.0 1566.3 View list
16 1140157469 Nqaqu, S (Sibusiso Blessing) 1 1.0 1 0 0 100.0 1182.1 425.0 1607.1 View list
17 2150161847 Pretorius, A (Amone) 1 1.0 1 0 0 100.0 1209.3 425.0 1634.3 View list
18 1160303149 Raofa, N (Njabulo Nkosana) 1 1.0 1 0 0 100.0 1153.0 425.0 1578.0 View list
19 1140147706 Thabatha, L (Luhle) 1 1.0 1 0 0 100.0 1209.3 425.0 1634.3 View list
20 1140161339 Tirumalasetti, S (Shashank) 1 1.0 1 0 0 100.0 1141.3 425.0 1566.3 View list