Player Page

Amsterdam, J (Jodan)
Dob: 2012/12/18 (U14)
Gender: Male
Chess SA id: 1120137590
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/04/27 (22 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 rating1205.7
Curent Weighted rating1184.9
Curent Weighted performance1140.9
Current official/published rating (highest between Raw, WR and WP)1205.7
Current floor (min rating allowed)724.6
Current highest rating achieved1224.6
Current K-factor36
Games played this month6
Score (S)5.0
Expected score (We)3.02
Difference (S-We)1.98
Current Raw change (no limits, including tournament time weight)59.2
Current min/max change allowed (with limits)±164.5
Current Raw change used (final)59.2
Projected new Raw rating1264.9
Projected new Weighed rating1192.0
Projected new Weighted performance1140.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1264.9
Projected effective change (new Official - current Official)+59.2
Projected new highest rating1264.9
Projected new floor764.9
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 rating1116.4
Curent Weighted rating1131.7
Curent Weighted performance984.1
Current official/published rating (highest between Raw, WR and WP)1131.7
Current floor (min rating allowed)698.0
Current highest rating achieved1198.0
Current K-factor40
Games played this month6
Score (S)5.0
Expected score (We)2.44
Difference (S-We)2.56
Current Raw change (no limits, including tournament time weight)102.4
Current min/max change allowed (with limits)±186.8
Current Raw change used (final)102.4
Projected new Raw rating1218.8
Projected new Weighed rating1137.5
Projected new Weighted performance984.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1218.8
Projected effective change (new Official - current Official)+87.1
Projected new highest rating1218.8
Projected new floor718.8
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 rating1278.4
Curent Weighted rating1234.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1278.4
Current floor (min rating allowed)778.4
Current highest rating achieved1278.4
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)±148.3
Current Raw change used (final)0.0
Projected new Raw rating1278.4
Projected new Weighed rating1240.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1278.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1278.4
Projected new floor778.4
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)778.4
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 floor778.4
Projected new K-facor36
Tournaments
Tournament: Worcester PS League 2024 (U13)
Start: 2024/04/27  End: 2024/04/27  Host: WCW  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 6
Games: 6  Score: 5.0
Main rating: 1205.7  Rating gain/loss: 59.2
Type rating: 1116.4  Rating gain/loss: 102.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Worcester PS League 2024 (U13) 2024/04/27 2024/04/27 Cape Winelands (WCW) Standard 60 0.83 7 6 5.0 1205.7 1116.4 Analysis
2 Cape Winelands Schools - Prestige 2024 (U13 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1208.1 1103.6 Analysis
1 Cape Winelands Schools - PS Trials 1 2024 (U13 Boys) 2024/02/10 2024/02/10 Cape Winelands (WCW) Rapid 35 0.66 6 6 3.0 1192.9 1274.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
10 Worcester PS League 2024 (U13) 2024/04/27 2024/04/27 Cape Winelands (WCW) Standard 60 0.83 7 6 5.0 1205.7 1116.4 Analysis
9 Cape Winelands Schools - Prestige 2024 (U13 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1208.1 1103.6 Analysis
8 Cape Winelands Schools - PS Trials 1 2024 (U13 Boys) 2024/02/10 2024/02/10 Cape Winelands (WCW) Rapid 35 0.66 6 6 3.0 1192.9 1274.1 Analysis
7 Worcester Knock-Out 2023 (U11 Boys) 2023/10/14 2023/10/14 Cape Winelands (WCW) Rapid 30 0.60 6 6 3.5 1171.7 1256.8 Analysis
6 Western Cape Top Schools 2023 (U11 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 6 0.5 1224.6 1163.6 Analysis
5 CW Top Schools 2023 (U7-U11 Mixed + U11 Girls) 2023/08/26 2023/08/26 Cape Winelands (WCW) Rapid 32 0.63 5 5 4.5 1156.8 1164.0 Analysis
4 Cape Winelands Schools Prestige 2023 (U11 Boys) 2023/03/11 2023/03/11 Cape Winelands (WCW) Standard 60 0.83 5 5 1.5 1183.4 1198.0 Analysis
3 Cape Winelands Schools Chess - Trials 1 2023 (U11 Boys) 2023/02/18 2023/02/18 Cape Winelands (WCW) Standard 60 0.83 5 5 2.5 1159.2 1172.8 Analysis
2 Worcester Primary School League 2022 (U11) 2022/05/21 2022/05/21 Cape Winelands (WCW) Standard 60 0.83 6 6 2.5 1175.5 1200.0 Analysis
1 Worcester Schools Trials 2022 (U11 Boys) 2022/02/19 2022/02/19 Cape Winelands (WCW) Rapid 30 0.60 5 4 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 17 10 0 7 10.0 58.8 75.0 1252.4 1327.4
White 8 7 0 1 7.0 87.5 318.8 1209.1 1527.8
Black 9 3 0 6 3.0 33.3 -141.7 1290.9 1149.2
Standard All 11 7 0 4 7.0 63.6 115.9 1235.5 1351.4
White 5 5 0 0 5.0 100.0 425.0 1171.3 1596.3
Black 6 2 0 4 2.0 33.3 -141.7 1289.0 1147.4
Rapid All 6 3 0 3 3.0 50.0 0.0 1283.3 1283.3
White 3 2 0 1 2.0 66.7 141.7 1272.0 1413.7
Black 3 1 0 2 1.0 33.3 -141.7 1294.5 1152.9
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 54 23 6 25 26.0 48.1 -15.7 1247.0 1231.3
White 25 13 3 9 14.5 58.0 68.0 1225.5 1293.5
Black 29 10 3 16 11.5 39.7 -87.9 1265.6 1177.6
Standard All 33 12 4 17 14.0 42.4 -64.4 1244.9 1180.5
White 15 7 2 6 8.0 53.3 28.3 1205.1 1233.4
Black 18 5 2 11 6.0 33.3 -141.7 1278.1 1136.4
Rapid All 21 11 2 8 12.0 57.1 60.7 1250.3 1311.0
White 10 6 1 3 6.5 65.0 127.5 1256.1 1383.6
Black 11 5 1 5 5.5 50.0 0.0 1245.0 1245.0
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 1110141742 Le Roux, J (Joss) 3 1.5 1 1 1 50.0 1185.6 0.0 1185.6 View list
2 1120137592 Mcleod, N (Ney-Shawn) 3 0.5 0 1 2 16.7 1180.9 -283.3 897.5 View list
3 2130139491 Smith, N (Nehe-Mia) 2 1.0 1 0 1 50.0 1175.5 0.0 1175.5 View list
4 1130139486 Wentzel, C (Cruxnielle) 2 1.0 1 0 1 50.0 1175.5 0.0 1175.5 View list
5 1160149818 Fortuin, L (Liam) 1 1.0 1 0 0 100.0 1156.8 425.0 1581.8 View list
6 2140192812 Evertson, A (Anthea) 1 1.0 1 0 0 100.0 1205.7 425.0 1630.7 View list
7 1120137591 Houlie, K (Kyle) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1120162848 Jaftha, H (Henrickquin Conary) 1 1.0 1 0 0 100.0 1171.7 425.0 1596.7 View list
9 1120192834 Kellerman, Z (Zean) 1 1.0 1 0 0 100.0 1192.9 425.0 1617.9 View list
10 2120111379 Coetzee, C (Carli) 1 1.0 1 0 0 100.0 1205.7 425.0 1630.7 View list
11 1110149775 Cavernelis, L (Lucian) 1 1.0 1 0 0 100.0 1208.1 425.0 1633.1 View list
12 1130192785 Dippenaar, Z (Zaybian) 1 1.0 1 0 0 100.0 1205.7 425.0 1630.7 View list
13 1150137727 Da Silva, N (Noah Clint) 1 1.0 1 0 0 100.0 1156.8 425.0 1581.8 View list
14 2130139489 Klopper, E (Elzaan) 1 1.0 1 0 0 100.0 1156.8 425.0 1581.8 View list
15 1130139482 Koert, D (Dane) 1 1.0 1 0 0 100.0 1159.2 425.0 1584.2 View list
16 1130141764 Le Roux, A (Alexander) 1 1.0 1 0 0 100.0 1171.7 425.0 1596.7 View list
17 1110192837 Liebenberg, T (Tiaan) 1 1.0 1 0 0 100.0 1208.1 425.0 1633.1 View list
18 1110141744 Lottering, C (Caylim) 1 1.0 1 0 0 100.0 1171.7 425.0 1596.7 View list
19 1120192840 Makone, E (Ethan) 1 1.0 1 0 0 100.0 1192.9 425.0 1617.9 View list
20 1120192842 Muvumbi, L (Leeroy) 1 1.0 1 0 0 100.0 1205.7 425.0 1630.7 View list