Player Page

Zheng, Y (Yi)
Dob: 2011/07/19 (U14)
Gender: Male
Chess SA id: 1110140745
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/05/18 (3 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 rating1373.0
Curent Weighted rating1288.3
Curent Weighted performance1375.8
Current official/published rating (highest between Raw, WR and WP)1373.0
Current floor (min rating allowed)873.0
Current highest rating achieved1373.0
Current K-factor36
Games played this month15
Score (S)11.0
Expected score (We)8.59
Difference (S-We)2.41
Current Raw change (no limits, including tournament time weight)48.5
Current min/max change allowed (with limits)±129.6
Current Raw change used (final)48.5
Projected new Raw rating1421.5
Projected new Weighed rating1300.0
Projected new Weighted performance1375.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1421.5
Projected effective change (new Official - current Official)+48.5
Projected new highest rating1421.5
Projected new floor921.5
Projected new K-facor32
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 rating1368.6
Curent Weighted rating1250.4
Curent Weighted performance1331.9
Current official/published rating (highest between Raw, WR and WP)1368.6
Current floor (min rating allowed)868.6
Current highest rating achieved1368.6
Current K-factor36
Games played this month6
Score (S)3.0
Expected score (We)3.03
Difference (S-We)-0.03
Current Raw change (no limits, including tournament time weight)-1.1
Current min/max change allowed (with limits)±130.4
Current Raw change used (final)-1.1
Projected new Raw rating1367.5
Projected new Weighed rating1261.5
Projected new Weighted performance1331.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1367.5
Projected effective change (new Official - current Official)-1.1
Projected new highest rating1368.6
Projected new floor868.6
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 rating1264.1
Curent Weighted rating1287.4
Curent Weighted performance1155.7
Current official/published rating (highest between Raw, WR and WP)1287.4
Current floor (min rating allowed)915.1
Current highest rating achieved1415.1
Current K-factor32
Games played this month9
Score (S)8.0
Expected score (We)4.73
Difference (S-We)3.27
Current Raw change (no limits, including tournament time weight)104.6
Current min/max change allowed (with limits)±151.3
Current Raw change used (final)104.6
Projected new Raw rating1368.7
Projected new Weighed rating1293.5
Projected new Weighted performance1155.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1368.7
Projected effective change (new Official - current Official)+81.4
Projected new highest rating1415.1
Projected new floor915.1
Projected new K-facor32
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)915.1
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 floor915.1
Projected new K-facor36
Tournaments
Tournament: Cape Town Junior League Finals 2024 (U13 Open A)
Start: 2024/05/18  End: 2024/05/18  Host: WCT  Type: Rapid   Time: 25  Time weight: 0.54  Rounds: 5
Games: 5  Score: 4.0
Main rating: 1373.0  Rating gain/loss: 13.6
Type rating: 1264.1  Rating gain/loss: 42.2
Analysis
Tournament: Western Cape PS Individuals Championship 2024 (U13 Boys)
Start: 2024/05/04  End: 2024/05/05  Host: WCU  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 6
Games: 6  Score: 3.0
Main rating: 1373.0  Rating gain/loss: 4.8
Type rating: 1368.6  Rating gain/loss: -1.1
Analysis
Tournament: Cape Town Junior League - Qualifier 2 2024 (U13)
Start: 2024/04/20  End: 2024/04/20  Host: WCT  Type: Rapid   Time: 25  Time weight: 0.54  Rounds: 4
Games: 4  Score: 4.0
Main rating: 1373.0  Rating gain/loss: 30.1
Type rating: 1264.1  Rating gain/loss: 62.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 Cape Town Junior League Finals 2024 (U13 Open A) 2024/05/18 2024/05/18 Cape Town (WCT) Rapid 25 0.54 5 5 4.0 1373.0 1264.1 Analysis
5 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 1373.0 1368.6 Analysis
4 Cape Town Junior League - Qualifier 2 2024 (U13) 2024/04/20 2024/04/20 Cape Town (WCT) Rapid 25 0.54 6 4 4.0 1373.0 1264.1 Analysis
3 Cape Town Junior League Qualifier 2024 (U13 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 6 5.0 1355.3 1206.8 Analysis
2 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 5.0 1275.2 1286.9 Analysis
1 CT District East Schools Chess Individuals Trails 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1227.7 1237.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
18 Cape Town Junior League Finals 2024 (U13 Open A) 2024/05/18 2024/05/18 Cape Town (WCT) Rapid 25 0.54 5 5 4.0 1373.0 1264.1 Analysis
17 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 1373.0 1368.6 Analysis
16 Cape Town Junior League - Qualifier 2 2024 (U13) 2024/04/20 2024/04/20 Cape Town (WCT) Rapid 25 0.54 6 4 4.0 1373.0 1264.1 Analysis
15 Cape Town Junior League Qualifier 2024 (U13 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 6 5.0 1355.3 1206.8 Analysis
14 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 5.0 1275.2 1286.9 Analysis
13 CT District East Schools Chess Individuals Trails 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1227.7 1237.6 Analysis
12 Kraaifontein Open 2023 (Open) 2023/12/10 2023/12/10 Cape Town (WCT) Rapid 30 0.60 6 5 1.0 1306.8 1342.2 Analysis
11 Kraaifontein Open 2023 (U14) 2023/12/09 2023/12/09 Cape Town (WCT) Rapid 30 0.60 6 6 0.0 1306.8 1342.2 Analysis
10 Western Cape Closed Championship 2023 (U14) 2023/09/23 2023/09/23 Cape Town (WCT) Rapid 25 0.54 6 6 2.5 1314.4 1373.2 Analysis
9 Curro Durbanville Chess Open Rapid 2023 (U14) 2023/07/15 2023/07/15 Cape Town (WCT) Rapid 35 0.66 6 6 3.0 1332.0 1415.1 Analysis
8 WP Closed 2023 (U14) 2023/06/16 2023/06/17 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1320.1 1193.6 Analysis
7 Rhenish Primary Tournament 2023 (U14) 2023/05/13 2023/05/13 Cape Winelands (WCW) Rapid 30 0.60 6 5 4.5 1283.6 1351.4 Analysis
6 Cape Town Open 2023 (U14) 2023/03/25 2023/03/25 Cape Town (WCT) Rapid 25 0.54 6 6 5.0 1241.2 1279.4 Analysis
5 District East Schools Chess Individual Trials 2023 (U13 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1245.1 1187.6 Analysis
4 Kraaifontein Open 2022 (Intermediate) 2022/12/17 2022/12/18 Cape Town (WCT) Standard 70 0.87 6 5 1.5 1232.5 1200.0 Analysis
3 Kraaifontein Rapid Open 2022 (U12) 2022/12/16 2022/12/16 Cape Town (WCT) Rapid 30 0.60 6 5 3.0 1232.5 1253.8 Analysis
2 Metro Rapid 2022 (U11 Boys) 2022/10/22 2022/10/22 Cape Town (WCT) Rapid 30 0.60 5 4 2.0 1236.2 1262.4 Analysis
1 Rhenish Primary Tournament 2022 (U12) 2022/05/14 2022/05/14 Cape Winelands (WCW) 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 32 24 2 6 25.0 78.1 239.1 1295.6 1534.7
White 18 15 2 1 16.0 88.9 330.6 1281.0 1611.6
Black 14 9 0 5 9.0 64.3 121.4 1314.4 1435.8
Standard All 17 11 2 4 12.0 70.6 175.0 1341.0 1516.0
White 8 6 2 0 7.0 87.5 318.8 1315.0 1633.7
Black 9 5 0 4 5.0 55.6 47.2 1364.2 1411.4
Rapid All 15 13 0 2 13.0 86.7 311.7 1244.2 1555.8
White 10 9 0 1 9.0 90.0 340.0 1253.9 1593.9
Black 5 4 0 1 4.0 80.0 255.0 1224.7 1479.7
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 97 54 7 36 57.5 59.3 78.9 1292.3 1371.1
White 50 33 4 13 35.0 70.0 170.0 1276.3 1446.3
Black 47 21 3 23 22.5 47.9 -18.1 1309.2 1291.1
Standard All 34 18 3 13 19.5 57.4 62.5 1326.9 1389.4
White 15 10 2 3 11.0 73.3 198.3 1309.9 1508.2
Black 19 8 1 10 8.5 44.7 -44.7 1340.4 1295.6
Rapid All 63 36 4 23 38.0 60.3 87.7 1273.6 1361.3
White 35 23 2 10 24.0 68.6 157.9 1261.9 1419.8
Black 28 13 2 13 14.0 50.0 0.0 1288.1 1288.1
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 1120140113 Guo, A (Aleks) 4 1.0 1 0 3 25.0 1278.3 -212.5 1065.8 View list
2 1110137370 Spence, B (Brian) 3 2.0 2 0 1 66.7 1276.3 141.7 1418.0 View list
3 1130193355 Chilumba, C (Cornelius) 2 2.0 2 0 0 100.0 1364.2 425.0 1789.2 View list
4 1110152912 Dainton, M (Michael) 2 2.0 2 0 0 100.0 1277.8 425.0 1702.8 View list
5 1110146858 Adolf, F (Feraydo) 2 2.0 2 0 0 100.0 1309.0 425.0 1734.0 View list
6 2110138783 Sedick, S (Shafeeqa) 2 2.0 2 0 0 100.0 1266.0 425.0 1691.0 View list
7 1110148238 Tshenolo, T (Tsamai) 2 2.0 2 0 0 100.0 1232.5 425.0 1657.5 View list
8 1120118992 Van Zyl, F (Frede) 2 2.0 2 0 0 100.0 1213.8 425.0 1638.8 View list
9 1110108081 Muller, H (Helgard) 2 1.0 1 0 1 50.0 1280.7 0.0 1280.7 View list
10 1120137368 Sher, J (Jonah) 2 1.0 1 0 1 50.0 1255.7 0.0 1255.7 View list
11 1110138740 Amoraal, B (Benyamin) 1 1.0 1 0 0 100.0 1227.7 425.0 1652.7 View list
12 1120147430 Booysen, O (Okuhle) 1 1.0 1 0 0 100.0 1236.2 425.0 1661.2 View list
13 1110113415 Devanunthan, N (Nivash) 1 1.0 1 0 0 100.0 1320.1 425.0 1745.1 View list
14 1100141156 De Wet, C (Christo) 1 1.0 1 0 0 100.0 1241.2 425.0 1666.2 View list
15 1110140725 Davis, J (Joshua) 1 1.0 1 0 0 100.0 1283.6 425.0 1708.6 View list
16 1110193372 Greyling, L (Laurens) 1 1.0 1 0 0 100.0 1227.7 425.0 1652.7 View list
17 1120140728 Fourie, J (James) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
18 1100150154 Hagan, T (Tristin) 1 1.0 1 0 0 100.0 1245.1 425.0 1670.1 View list
19 1110150156 Hartzenberg, E (Elijah) 1 1.0 1 0 0 100.0 1245.1 425.0 1670.1 View list
20 1110150427 House, J (Josh) 1 1.0 1 0 0 100.0 1355.3 425.0 1780.3 View list