Player Page

Nel, H (Hayley)
Dob: 2006/07/25 (U20)
Gender: Female
Chess SA id: 206091525
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/07/20 (7 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 rating1759.6
Current Weighted rating1660.3
Current Weighted performance1728.1
Current official/published rating (highest between Raw, WR and WP)1759.6
Current highest rating achieved1759.6
Current floor (min rating allowed)1259.6
Current K-factor28
Games played this month17
Score (S)10.5
Expected score (We)11.21
Difference (S-We)-0.22
Current Raw change (no limits, including tournament time weight)-6.0
Current min/max change allowed (with limits)±74.7
Current Raw change used (final)-6.0
Projected new Raw rating1753.6
Projected new Weighed rating1528.6
Projected new Weighted performance1733.9
Projected new final Raw rating (if new WP > new Raw)1753.6
Projected new highest rating1759.6
Projected new floor1259.6
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1753.6
Projected effective change (new Official - current Official)-6.0
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 rating1753.3
Current Weighted rating1657.4
Current Weighted performance1732.7
Current official/published rating (highest between Raw, WR and WP)1753.3
Current highest rating achieved1753.3
Current floor (min rating allowed)1253.3
Current K-factor28
Games played this month10
Score (S)5.5
Expected score (We)5.32
Difference (S-We)0.18
Current Raw change (no limits, including tournament time weight)5.0
Current min/max change allowed (with limits)±75.4
Current Raw change used (final)5.0
Projected new Raw rating1758.3
Projected new Weighed rating1525.6
Projected new Weighted performance1775.1
Projected new final Raw rating (if new WP > new Raw)1775.1
Projected new highest rating1775.1
Projected new floor1275.1
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1775.1
Projected effective change (new Official - current Official)+21.8
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 rating1416.6
Current Weighted rating1066.1
Current Weighted performance1466.5
Current official/published rating (highest between Raw, WR and WP)1466.5
Current highest rating achieved1416.6
Current floor (min rating allowed)916.6
Current K-factor32
Games played this month7
Score (S)5.0
Expected score (We)4.59
Difference (S-We)0.41
Current Raw change (no limits, including tournament time weight)13.1
Current min/max change allowed (with limits)±121.8
Current Raw change used (final)13.1
Projected new Raw rating1429.7
Projected new Weighed rating993.2
Projected new Weighted performance1564.4
Projected new final Raw rating (if new WP > new Raw)1564.4
Projected new highest rating1564.4
Projected new floor1064.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1564.4
Projected effective change (new Official - current Official)+97.9
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 rating1087.6
Current Weighted rating994.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1087.6
Current highest rating achieved1087.6
Current floor (min rating allowed)587.6
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)±194.6
Current Raw change used (final)0.0
Projected new Raw rating1087.6
Projected new Weighed rating918.9
Projected new Weighted performance980.2
Projected new final Raw rating (if new WP > new Raw)1087.6
Projected new highest rating1087.6
Projected new floor587.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1087.6
Projected effective change (new Official - current Official)=0.0
Tournaments
Tournament: Chess Power House July Open 2024 (A)
Start: 2024/07/20  End: 2024/07/20  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 4.0
Main rating: 1759.6  Rating gain/loss: 17.0
Type rating: 1753.3  Rating gain/loss: 18.5
Analysis
Tournament: JMC Trinityhouse Randpark Ridge 2024 (A)
Start: 2024/07/13  End: 2024/07/13  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 1.5
Main rating: 1759.6  Rating gain/loss: -13.7
Type rating: 1753.3  Rating gain/loss: -13.4
Analysis
Tournament: JMC NG Weltevreden Church 2024
Start: 2024/06/29  End: 2024/06/29  Host: GJM  Type: Rapid   Time: 15  Time weight: 0.39  Rounds: 7
Games: 7  Score: 5.0
Main rating: 1759.6  Rating gain/loss: -9.3
Type rating: 1416.6  Rating gain/loss: 13.1
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
13 Chess Power House July Open 2024 (A) 2024/07/20 2024/07/20 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1759.6 1753.3 Analysis
12 JMC Trinityhouse Randpark Ridge 2024 (A) 2024/07/13 2024/07/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1759.6 1753.3 Analysis
11 JMC NG Weltevreden Church 2024 2024/06/29 2024/06/29 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 5.0 1759.6 1416.6 Analysis
10 2024 African Youth Chess Championship 2024/06/16 2024/06/22 South Africa (RSA) Standard 120 1.00 9 9 6.0 1709.8 1700.9 Analysis
9 Ekurhuleni North High School Individuals 2024 (U18 Girls) 2024/05/18 2024/05/18 Ekurhuleni (GE) Standard 60 0.83 5 4 4.0 1681.9 1675.7 Analysis
8 Benoni Cluster High Schools Teams 2024 (U19) 2024/05/11 2024/05/11 Ekurhuleni (GE) Rapid 45 0.74 5 4 4.0 1681.9 1380.6 Analysis
7 South African Junior Closed Chess Championship 2024 (U18 Girls) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 7.0 1681.9 1675.7 Analysis
6 South African Closed Chess Championship 2024 (Ladies) 2024/03/25 2024/04/02 Cape Town (WCT) Standard 150 1.00 11 11 6.0 1647.5 1635.4 Analysis
5 Benoni High Schools Cluster Individuals 2024 (U18 Girls) 2024/03/16 2024/03/16 Ekurhuleni (GE) Rapid 45 0.74 5 5 5.0 1649.4 1321.9 Analysis
4 JNW Open - Classic - Crawford 2024 (A) 2024/03/09 2024/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.0 1649.4 1642.4 Analysis
3 2024 Piet Robbertse Open Chess Tournament (A) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 4 2.0 1659.1 1654.7 Analysis
2 JMC Kick Off Tournament 2024 (A) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1653.5 1650.5 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U18A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1653.5 1650.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
102 Chess Power House July Open 2024 (A) 2024/07/20 2024/07/20 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1759.6 1753.3 Analysis
101 JMC Trinityhouse Randpark Ridge 2024 (A) 2024/07/13 2024/07/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1759.6 1753.3 Analysis
100 JMC NG Weltevreden Church 2024 2024/06/29 2024/06/29 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 5.0 1759.6 1416.6 Analysis
99 2024 African Youth Chess Championship 2024/06/16 2024/06/22 South Africa (RSA) Standard 120 1.00 9 9 6.0 1709.8 1700.9 Analysis
98 Ekurhuleni North High School Individuals 2024 (U18 Girls) 2024/05/18 2024/05/18 Ekurhuleni (GE) Standard 60 0.83 5 4 4.0 1681.9 1675.7 Analysis
97 Benoni Cluster High Schools Teams 2024 (U19) 2024/05/11 2024/05/11 Ekurhuleni (GE) Rapid 45 0.74 5 4 4.0 1681.9 1380.6 Analysis
96 South African Junior Closed Chess Championship 2024 (U18 Girls) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 7.0 1681.9 1675.7 Analysis
95 South African Closed Chess Championship 2024 (Ladies) 2024/03/25 2024/04/02 Cape Town (WCT) Standard 150 1.00 11 11 6.0 1647.5 1635.4 Analysis
94 Benoni High Schools Cluster Individuals 2024 (U18 Girls) 2024/03/16 2024/03/16 Ekurhuleni (GE) Rapid 45 0.74 5 5 5.0 1649.4 1321.9 Analysis
93 JNW Open - Classic - Crawford 2024 (A) 2024/03/09 2024/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.0 1649.4 1642.4 Analysis
92 2024 Piet Robbertse Open Chess Tournament (A) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 4 2.0 1659.1 1654.7 Analysis
91 JMC Kick Off Tournament 2024 (A) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1653.5 1650.5 Analysis
90 2024 Gauteng Inter-Region Chess Championship (U18A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1653.5 1650.5 Analysis
89 Bojanala's Merry ChessMas 2023 (Queens) 2023/12/09 2023/12/09 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1641.6 1636.2 Analysis
88 Ekurhuleni Chess Spring Tournament 2023 (A+B) 2023/09/23 2023/09/23 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1663.1 1664.2 Analysis
87 2023 African Youth Chess Championship 2023/09/02 2023/09/08 Egypt (EGY) Standard 120 1.00 9 9 6.0 1663.1 1664.2 Analysis
86 2023 Gauteng Top Schools (U19 Girls) 2023/08/19 2023/08/19 West Rand (GWR) Standard 60 0.83 5 5 5.0 1666.9 1667.0 Analysis
85 CW Top Schools 2023 (Elite) 2023/08/11 2023/08/13 West Coast (WCU) Standard 90 0.94 6 6 3.0 1666.9 1667.0 Analysis
84 Ekurhuleni North School Teams 2023 (U19) 2023/08/05 2023/08/05 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1666.9 1667.0 Analysis
83 JMC - The Higher Ground Restaurant 2nd Blitz Event 2023 2023/07/30 2023/07/30 Johannesburg Metro (GJM) Blitz 8 0.25 7 7 5.0 1615.6 835.6 Analysis
123456
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 78 45 12 21 51.0 65.4 130.8 1585.2 1716.0
White 38 20 6 12 23.0 60.5 89.5 1572.1 1661.5
Black 40 25 6 9 28.0 70.0 170.0 1597.6 1767.6
Standard All 62 31 12 19 37.0 59.7 82.3 1647.9 1730.1
White 29 12 6 11 15.0 51.7 14.7 1643.4 1658.1
Black 33 19 6 8 22.0 66.7 141.7 1651.8 1793.4
Rapid All 16 14 0 2 14.0 87.5 318.8 1342.3 1661.0
White 9 8 0 1 8.0 88.9 330.6 1342.1 1672.6
Black 7 6 0 1 6.0 85.7 303.6 1342.6 1646.1
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 567 334 69 164 368.5 65.0 127.4 1361.5 1488.9
White 281 165 39 77 184.5 65.7 133.1 1356.2 1489.3
Black 286 169 30 87 184.0 64.3 121.9 1366.7 1488.6
Standard All 507 300 65 142 332.5 65.6 132.4 1353.7 1486.2
White 251 145 36 70 163.0 64.9 127.0 1352.2 1479.2
Black 256 155 29 72 169.5 66.2 137.8 1355.2 1493.0
Rapid All 35 22 1 12 22.5 64.3 121.4 1392.1 1513.5
White 17 12 1 4 12.5 73.5 200.0 1382.8 1582.8
Black 18 10 0 8 10.0 55.6 47.2 1400.8 1448.1
Blitz All 25 12 3 10 13.5 54.0 34.0 1477.1 1511.1
White 13 8 2 3 9.0 69.2 163.5 1399.6 1563.1
Black 12 4 1 7 4.5 37.5 -106.3 1560.9 1454.7
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 206071040 Mabaso, F (Felicity) 7 7.0 7 0 0 100.0 1533.9 425.0 1958.9 View list
2 207086167 Matshego, T (Thato) 5 4.5 4 1 0 90.0 1547.1 340.0 1887.1 View list
3 1060104959 Stadler, H (Helgard) 4 4.0 4 0 0 100.0 1515.1 425.0 1940.1 View list
4 206088003 Van Niekerk, LA (Lee Ann) 4 3.0 3 0 1 75.0 859.2 212.5 1071.7 View list
5 205067320 De Beer, J (Janka) 4 2.5 2 1 1 62.5 1408.6 106.3 1514.9 View list
6 107069948 Jones, W (William) 4 0.5 0 1 3 12.5 1455.6 -318.8 1136.8 View list
7 206088651 Bothma, L (Liandri) 3 3.0 3 0 0 100.0 1478.2 425.0 1903.2 View list
8 2060142588 Hlungwane, K (Khanyiso) 3 3.0 3 0 0 100.0 1650.5 425.0 2075.5 View list
9 2090135221 Monteiro Correia, M (Maya) 3 3.0 3 0 0 100.0 1638.6 425.0 2063.6 View list
10 2120115959 Mungal, Z (Zoey) 3 3.0 3 0 0 100.0 1527.8 425.0 1952.8 View list
11 206064938 Mvundla, T (Thandiswa) 3 3.0 3 0 0 100.0 1366.1 425.0 1791.1 View list
12 211085191 Naidoo, K (Kajol) 3 3.0 3 0 0 100.0 1528.7 425.0 1953.7 View list
13 205081243 Riba, KK (Khanyisile Kgaogelo) 3 3.0 3 0 0 100.0 1563.8 425.0 1988.8 View list
14 1060113152 Rossouw, A (Andre) 3 3.0 3 0 0 100.0 1602.0 425.0 2027.0 View list
15 206072898 Vorster, M (Meghan) 3 3.0 3 0 0 100.0 1063.8 425.0 1488.8 View list
16 207065272 Dove, M (Megan) 3 2.5 2 1 0 83.3 1620.8 283.3 1904.1 View list
17 207061368 Goosen, M (Mignon) 3 2.0 2 0 1 66.7 1576.0 141.7 1717.7 View list
18 2060098046 Jacobs, E (Elsje) 3 2.0 2 0 1 66.7 1603.0 141.7 1744.7 View list
19 105087158 Lamont, M (Michael) 3 2.0 2 0 1 66.7 1543.6 141.7 1685.3 View list
20 183068085 Magagula, R (Raymond) 3 2.0 2 0 1 66.7 1577.4 141.7 1719.0 View list