Player Page

Ni, Y (Yi Fei)
Dob: 2006/12/05 (U20)
Gender: Male
Chess SA id: 106076698
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/01/14 (159 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 rating1404.4
Current Weighted rating1334.6
Current Weighted performance1313.1
Current official/published rating (highest between Raw, WR and WP)1404.4
Current highest rating achieved1404.4
Current floor (min rating allowed)904.4
Current K-factor32
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)±123.9
Current Raw change used (final)0.0
Projected new Raw rating1404.4
Projected new Weighed rating1233.1
Projected new Weighted performance1313.1
Projected new final Raw rating (if new WP > new Raw)1404.4
Projected new highest rating1404.4
Projected new floor904.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1404.4
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 rating1435.0
Current Weighted rating1358.3
Current Weighted performance1345.2
Current official/published rating (highest between Raw, WR and WP)1435.0
Current highest rating achieved1435.0
Current floor (min rating allowed)935.0
Current K-factor32
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)±118.6
Current Raw change used (final)0.0
Projected new Raw rating1435.0
Projected new Weighed rating1255.6
Projected new Weighted performance1345.2
Projected new final Raw rating (if new WP > new Raw)1435.0
Projected new highest rating1435.0
Projected new floor935.0
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1435.0
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 rating586.0
Current Weighted rating586.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)586.0
Current highest rating achieved586.0
Current floor (min rating allowed)500.0
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)±397.7
Current Raw change used (final)0.0
Projected new Raw rating586.0
Projected new Weighed rating539.1
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating586.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)586.0
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 rating694.0
Current Weighted rating665.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)694.0
Current highest rating achieved694.0
Current floor (min rating allowed)500.0
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)±341.0
Current Raw change used (final)0.0
Projected new Raw rating694.0
Projected new Weighed rating614.7
Projected new Weighted performance387.2
Projected new final Raw rating (if new WP > new Raw)694.0
Projected new highest rating694.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)694.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 Gauteng Inter-Region Chess Championship (U18A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1359.1 1397.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
13 2024 Gauteng Inter-Region Chess Championship (U18A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1359.1 1397.2 Analysis
12 2023 Gauteng Top Schools (U17 Mixed) 2023/08/19 2023/08/19 West Rand (GWR) Standard 60 0.83 5 5 3.5 1339.7 1372.6 Analysis
11 JMC - The Higher Ground Restaurant 2nd Blitz Event 2023 2023/07/30 2023/07/30 Johannesburg Metro (GJM) Blitz 8 0.25 7 6 3.0 1274.3 586.0 Analysis
10 3rd Knight Riders Junior Open 2023 (U14+U16) 2023/07/29 2023/07/29 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.5 1274.3 1264.6 Analysis
9 Gauteng Schools Individual Finals 2023 (U18 Boys) 2023/05/27 2023/05/27 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1304.2 1300.2 Analysis
8 JMC 1 St Peters 2023 (C) 2023/03/18 2023/03/18 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1109.5 1105.3 Analysis
7 JNW Open - Crawford 2023 (B) 2023/03/04 2023/03/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1109.5 1105.3 Analysis
6 2022 Gauteng Schools Team Championships (U17 Open) 2022/08/26 2022/08/26 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1017.5 1012.4 Analysis
5 JNW Trinityhouse LF 2022 (Challengers) 2022/03/12 2022/03/12 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 909.4 958.8 Analysis
4 JNW Club - Trinityhouse Randpark Ridge Open 2020 (D) 2020/02/22 2020/02/22 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.5 775.9 804.8 Analysis
3 GoForChess Junior Championships 2019 (Open) 2019/11/16 2019/11/16 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.0 743.4 766.8 Analysis
2 2019 Gauteng School League Finals (U13 Open) 2019/08/23 2019/08/23 Tshwane (GTP) Standard 60 0.83 5 5 2.5 662.4 673.6 Analysis
1 JNW Club - Trinityhouse Randpark Ridge Open 2019 (D) 2019/03/09 2019/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 586.0 586.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 3 2 0 4.0 80.0 255.0 1340.6 1595.6
White 3 2 1 0 2.5 83.3 283.3 1393.8 1677.1
Black 2 1 1 0 1.5 75.0 212.5 1260.8 1473.3
Standard All 5 3 2 0 4.0 80.0 255.0 1340.6 1595.6
White 3 2 1 0 2.5 83.3 283.3 1393.8 1677.1
Black 2 1 1 0 1.5 75.0 212.5 1260.8 1473.3
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 65 36 7 22 39.5 60.8 91.5 1252.3 1343.9
White 32 23 3 6 24.5 76.6 225.8 1213.9 1439.7
Black 33 13 4 16 15.0 45.5 -38.6 1289.6 1251.0
Standard All 59 33 7 19 36.5 61.9 100.8 1246.7 1347.5
White 29 21 3 5 22.5 77.6 234.5 1205.7 1440.2
Black 30 12 4 14 14.0 46.7 -28.3 1286.2 1257.9
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 6 3 0 3 3.0 50.0 0.0 1308.0 1308.0
White 3 2 0 1 2.0 66.7 141.7 1292.5 1434.2
Black 3 1 0 2 1.0 33.3 -141.7 1323.5 1181.8
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 104076191 Chhiba, N (Nikhil) 1 1.0 1 0 0 100.0 909.4 425.0 1334.4 View list
2 1110143786 Agbazue, G (Gabriel) 1 1.0 1 0 0 100.0 1274.3 425.0 1699.3 View list
3 1060141940 Brijun, K (Khetin) 1 1.0 1 0 0 100.0 1017.5 425.0 1442.5 View list
4 210091697 Botha, A (Andrea) 1 1.0 1 0 0 100.0 775.9 425.0 1200.9 View list
5 2130148605 Coulson, A (Alannah) 1 1.0 1 0 0 100.0 1274.3 425.0 1699.3 View list
6 207091196 Gebuza, M (Mbali) 1 1.0 1 0 0 100.0 1359.1 425.0 1784.1 View list
7 1060119807 Fosa, N (Neo) 1 1.0 1 0 0 100.0 743.4 425.0 1168.4 View list
8 208073206 Fauconier, A (Amber) 1 1.0 1 0 0 100.0 1109.5 425.0 1534.5 View list
9 1070098052 Eberwein, HJ (Heinrich) 1 1.0 1 0 0 100.0 1017.5 425.0 1442.5 View list
10 1140113413 Eapen, J (Johan) 1 1.0 1 0 0 100.0 775.9 425.0 1200.9 View list
11 206079860 Dinham, K (Kiara) 1 1.0 1 0 0 100.0 775.9 425.0 1200.9 View list
12 108073207 Horn, E (Evan) 1 1.0 1 0 0 100.0 909.4 425.0 1334.4 View list
13 206048862 Horn, L (Logan) 1 1.0 1 0 0 100.0 1017.5 425.0 1442.5 View list
14 1090145615 Kim, J (Jaeho) 1 1.0 1 0 0 100.0 1109.5 425.0 1534.5 View list
15 1060134033 Koster, W (Wihan) 1 1.0 1 0 0 100.0 1359.1 425.0 1784.1 View list
16 104068848 Le Roux, N (Nathen) 1 1.0 1 0 0 100.0 586.0 425.0 1011.0 View list
17 1140138260 Ma, M (Matthew) 1 1.0 1 0 0 100.0 1109.5 425.0 1534.5 View list
18 2060143537 Mageda, M (Maanda) 1 1.0 1 0 0 100.0 1339.7 425.0 1764.7 View list
19 1090140202 Malebye, T (Tshimega) 1 1.0 1 0 0 100.0 1274.3 425.0 1699.3 View list
20 1050155485 Maseko, E (Elen Banele) 1 1.0 1 0 0 100.0 1304.2 425.0 1729.2 View list