Player Page

Sher, J (Jonah)
Dob: 2012/03/29 (U14)
Gender: Male
Chess SA id: 1120137368
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/06/16 (5 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 rating1374.6
Current Weighted rating1292.0
Current Weighted performance1333.0
Current official/published rating (highest between Raw, WR and WP)1374.6
Current highest rating achieved1374.6
Current floor (min rating allowed)874.6
Current K-factor36
Games played this month6
Score (S)3.0
Expected score (We)2.86
Difference (S-We)0.12
Current Raw change (no limits, including tournament time weight)4.4
Current min/max change allowed (with limits)±129.3
Current Raw change used (final)4.4
Projected new Raw rating1379.0
Projected new Weighed rating1191.3
Projected new Weighted performance1355.8
Projected new final Raw rating (if new WP > new Raw)1379.0
Projected new highest rating1379.0
Projected new floor879.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1379.0
Projected effective change (new Official - current Official)+4.4
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 rating1359.7
Current Weighted rating1220.4
Current Weighted performance1372.0
Current official/published rating (highest between Raw, WR and WP)1372.0
Current highest rating achieved1359.7
Current floor (min rating allowed)859.7
Current K-factor36
Games played this month6
Score (S)3.0
Expected score (We)2.99
Difference (S-We)0.01
Current Raw change (no limits, including tournament time weight)0.4
Current min/max change allowed (with limits)±132.1
Current Raw change used (final)0.4
Projected new Raw rating1360.1
Projected new Weighed rating1125.3
Projected new Weighted performance1400.2
Projected new final Raw rating (if new WP > new Raw)1400.2
Projected new highest rating1400.2
Projected new floor900.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1400.2
Projected effective change (new Official - current Official)+28.2
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 rating1335.4
Current Weighted rating1328.0
Current Weighted performance1237.7
Current official/published rating (highest between Raw, WR and WP)1335.4
Current highest rating achieved1364.6
Current floor (min rating allowed)864.6
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)±136.7
Current Raw change used (final)0.0
Projected new Raw rating1335.4
Projected new Weighed rating1223.7
Projected new Weighted performance1237.7
Projected new final Raw rating (if new WP > new Raw)1335.4
Projected new highest rating1364.6
Projected new floor864.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1335.4
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
Tournament: Cape Town Chess Federation Closed Chess Championships 2024 (U14)
Start: 2024/06/15  End: 2024/06/16  Host: WCT  Type: Standard   Time: 70  Time weight: 0.87  Rounds: 6
Games: 6  Score: 3.0
Main rating: 1374.6  Rating gain/loss: 4.4
Type rating: 1359.7  Rating gain/loss: 0.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 Cape Town Chess Federation Closed Chess Championships 2024 (U14) 2024/06/15 2024/06/16 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1374.6 1359.7 Analysis
5 Steinitz Chess Festival 2024 (U14) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 5 5 2.5 1369.1 1348.7 Analysis
4 Western Cape PS Individuals Championship 2024 (U13 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.0 1369.1 1332.8 Analysis
3 Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1315.5 1264.4 Analysis
2 Cape of Good Hope Open Chess Tournament 2024 (Intermediate) 2024/02/17 2024/02/17 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1291.8 1194.4 Analysis
1 CT Metro Central District Schools Chess Individuals Trials 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1291.8 1194.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
27 Cape Town Chess Federation Closed Chess Championships 2024 (U14) 2024/06/15 2024/06/16 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1374.6 1359.7 Analysis
26 Steinitz Chess Festival 2024 (U14) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 5 5 2.5 1369.1 1348.7 Analysis
25 Western Cape PS Individuals Championship 2024 (U13 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.0 1369.1 1332.8 Analysis
24 Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1315.5 1264.4 Analysis
23 Cape of Good Hope Open Chess Tournament 2024 (Intermediate) 2024/02/17 2024/02/17 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1291.8 1194.4 Analysis
22 CT Metro Central District Schools Chess Individuals Trials 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1291.8 1194.4 Analysis
21 Western Cape Closed Championship 2023 (U12) 2023/09/23 2023/09/23 Cape Town (WCT) Rapid 25 0.54 6 6 4.0 1268.3 1312.0 Analysis
20 CW Top Schools 2023 (Intermediate) 2023/08/12 2023/08/12 West Coast (WCU) Standard 60 0.83 5 4 2.0 1269.5 1188.8 Analysis
19 GPCA Rapid 2023 (Advanced) 2023/06/24 2023/06/24 Cape Town (WCT) Rapid 25 0.54 7 7 3.0 1268.0 1364.6 Analysis
18 WP Closed 2023 (U12) 2023/06/16 2023/06/17 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1268.0 1150.8 Analysis
17 Steinitz Open 2023 (U12) 2023/05/27 2023/05/27 Cape Town (WCT) Rapid 20 0.47 5 5 4.0 1237.0 1299.9 Analysis
16 Cape Town Open 2023 (U12) 2023/03/25 2023/03/25 Cape Town (WCT) Rapid 25 0.54 6 6 3.5 1249.3 1282.3 Analysis
15 Casuarina International 2023 (Rapid) 2023/03/11 2023/03/12 Cape Town (WCT) Rapid 35 0.66 6 6 2.0 1249.3 1282.3 Analysis
14 Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Boys) 2023/03/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1249.3 1172.4 Analysis
13 Laerskool Welgemoed Rapid 2023 (U12) 2023/02/11 2023/02/11 Cape Town (WCT) Rapid 25 0.54 6 6 4.5 1168.5 1221.5 Analysis
12 Central District School Trials 2023 (U11 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1168.5 1102.8 Analysis
11 Cape of Good Hope Open 2023 (U12) 2023/01/28 2023/01/28 Cape Town (WCT) Rapid 25 0.54 6 6 2.0 1167.3 1248.1 Analysis
10 Metro Rapid 2022 (U11 Boys) 2022/10/22 2022/10/22 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1180.5 1220.0 Analysis
9 Western Cape Closed Championship 2022 (U12) 2022/09/24 2022/09/24 Cape Winelands (WCW) Standard 60 0.83 5 5 2.5 1190.6 1162.4 Analysis
8 2022 Western Province Club League (D) 2022/08/27 2022/10/01 Cape Town (WCT) Standard 70 0.87 7 3 0.0 1180.5 1155.6 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 34 18 1 15 18.5 54.4 37.5 1363.2 1400.7
White 18 10 1 7 10.5 58.3 70.8 1345.2 1416.0
Black 16 8 0 8 8.0 50.0 0.0 1383.6 1383.6
Standard All 29 16 0 13 16.0 55.2 44.0 1376.7 1420.7
White 16 9 0 7 9.0 56.3 53.1 1355.5 1408.7
Black 13 7 0 6 7.0 53.8 32.7 1402.7 1435.4
Rapid All 5 2 1 2 2.5 50.0 0.0 1285.2 1285.2
White 2 1 1 0 1.5 75.0 212.5 1262.1 1474.6
Black 3 1 0 2 1.0 33.3 -141.7 1300.7 1159.0
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 147 71 6 70 74.0 50.3 2.9 1287.9 1290.7
White 76 36 2 38 37.0 48.7 -11.2 1291.0 1279.8
Black 71 35 4 32 37.0 52.1 18.0 1284.5 1302.5
Standard All 73 33 3 37 34.5 47.3 -23.3 1297.6 1274.3
White 39 17 1 21 17.5 44.9 -43.6 1284.6 1241.0
Black 34 16 2 16 17.0 50.0 0.0 1312.4 1312.4
Rapid All 74 38 3 33 39.5 53.4 28.7 1278.3 1307.0
White 37 19 1 17 19.5 52.7 23.0 1297.6 1320.6
Black 37 19 2 16 20.0 54.1 34.5 1258.9 1293.4
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 1120150398 He, Z (Zonghan) 4 3.5 3 1 0 87.5 1257.3 318.8 1576.1 View list
2 1120147432 Damane, L (Lukhanyo) 3 3.0 3 0 0 100.0 1228.6 425.0 1653.6 View list
3 1110131083 Priestley, L (Liam) 3 1.0 1 0 2 33.3 1234.6 -141.7 1092.9 View list
4 1120140113 Guo, A (Aleks) 3 0.0 0 0 3 0.0 1186.8 -425.0 761.8 View list
5 1130116442 Grove, T (Tyler) 2 2.0 2 0 0 100.0 1218.4 425.0 1643.4 View list
6 1130135085 James, A (Ayden) 2 2.0 2 0 0 100.0 1202.8 425.0 1627.8 View list
7 1120143639 Mabaso, A (Ahlumile) 2 2.0 2 0 0 100.0 1224.3 425.0 1649.3 View list
8 1120132064 Fourie, R (Ruan) 2 1.0 1 0 1 50.0 1212.6 0.0 1212.6 View list
9 1120132089 Russell, C (Christopher) 2 1.0 1 0 1 50.0 1218.5 0.0 1218.5 View list
10 208069933 Sihamba, S (Somila) 2 1.0 1 0 1 50.0 1280.7 0.0 1280.7 View list
11 1110140745 Zheng, Y (Yi) 2 1.0 1 0 1 50.0 1248.0 0.0 1248.0 View list
12 1120138780 Rall, L (Lian) 2 0.5 0 1 1 25.0 1196.5 -212.5 984.0 View list
13 1110142366 Roberts, E (Ethan) 2 0.5 0 1 1 25.0 1189.4 -212.5 976.9 View list
14 1110132058 Braaf, J (Jordan) 2 0.0 0 0 2 0.0 1180.8 -425.0 755.8 View list
15 2120137358 Iuzhakova, H (Heidi) 2 0.0 0 0 2 0.0 1183.7 -425.0 758.7 View list
16 1120150570 Louis, C (Carl) 2 0.0 0 0 2 0.0 1208.9 -425.0 783.9 View list
17 1110108081 Muller, H (Helgard) 2 0.0 0 0 2 0.0 1240.0 -425.0 815.0 View list
18 1110104004 Shapiro, M (Matthew) 2 0.0 0 0 2 0.0 1303.7 -425.0 878.7 View list
19 1120135094 Singh, S (Shaurya) 2 0.0 0 0 2 0.0 1224.4 -425.0 799.4 View list
20 1120134372 Weideman, J (Janko) 2 0.0 0 0 2 0.0 1184.7 -425.0 759.7 View list