Player Page

Ngobeni, N (Njabulo)
Dob: 2006/05/21 (U20)
Gender: Male
Chess SA id: 1060144844
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (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 rating1518.1
Current Weighted rating1482.8
Current Weighted performance1433.4
Current official/published rating (highest between Raw, WR and WP)1518.1
Current highest rating achieved1544.9
Current floor (min rating allowed)1044.9
Current K-factor32
Games played this month12
Score (S)8.5
Expected score (We)6.54
Difference (S-We)1.81
Current Raw change (no limits, including tournament time weight)57.9
Current min/max change allowed (with limits)±105.4
Current Raw change used (final)57.9
Projected new Raw rating1576.0
Projected new Weighed rating1368.8
Projected new Weighted performance1542.0
Projected new final Raw rating (if new WP > new Raw)1576.0
Projected new highest rating1576.0
Projected new floor1076.0
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1576.0
Projected effective change (new Official - current Official)+57.9
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 rating1516.8
Current Weighted rating1489.4
Current Weighted performance1433.4
Current official/published rating (highest between Raw, WR and WP)1516.8
Current highest rating achieved1571.8
Current floor (min rating allowed)1071.8
Current K-factor32
Games played this month12
Score (S)8.5
Expected score (We)6.44
Difference (S-We)2.06
Current Raw change (no limits, including tournament time weight)65.9
Current min/max change allowed (with limits)±105.6
Current Raw change used (final)65.9
Projected new Raw rating1582.7
Projected new Weighed rating1375.1
Projected new Weighted performance1542.0
Projected new final Raw rating (if new WP > new Raw)1582.7
Projected new highest rating1582.7
Projected new floor1082.7
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1582.7
Projected effective change (new Official - current Official)+65.9
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 rating1213.6
Current Weighted rating1208.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1213.6
Current highest rating achieved1213.6
Current floor (min rating allowed)713.6
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)±162.6
Current Raw change used (final)0.0
Projected new Raw rating1213.6
Projected new Weighed rating1112.4
Projected new Weighted performance419.9
Projected new final Raw rating (if new WP > new Raw)1213.6
Projected new highest rating1213.6
Projected new floor713.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1213.6
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 rating1191.6
Current Weighted rating1193.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1193.8
Current highest rating achieved1191.6
Current floor (min rating allowed)691.6
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)±167.8
Current Raw change used (final)0.0
Projected new Raw rating1191.6
Projected new Weighed rating1098.1
Projected new Weighted performance395.6
Projected new final Raw rating (if new WP > new Raw)1191.6
Projected new highest rating1191.6
Projected new floor691.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1191.6
Projected effective change (new Official - current Official)-2.2
Tournaments
Tournament: 2024 Etienne Lewis (U18+U20)
Start: 2024/08/30  End: 2024/09/01  Host: GTP  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 7
Games: 7  Score: 4.5
Main rating: 1503.5  Rating gain/loss: 49.6
Type rating: 1498.9  Rating gain/loss: 56.0
Analysis
Tournament: Gauteng Schools Individuals Finals 2024 (U18 Boys)
Start: 2024/08/17  End: 2024/08/17  Host: GE  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 4.0
Main rating: 1503.5  Rating gain/loss: 8.2
Type rating: 1498.9  Rating gain/loss: 9.9
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
13 2024 Etienne Lewis (U18+U20) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 4.5 1503.5 1498.9 Analysis
12 Gauteng Schools Individuals Finals 2024 (U18 Boys) 2024/08/17 2024/08/17 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1503.5 1498.9 Analysis
11 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U19B) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1518.1 1516.8 Analysis
10 2024 Midstream College Open Chess Tournament (A) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1525.0 1528.0 Analysis
9 Menlopark Open Chess Tournament 2024 (A) 2024/07/13 2024/07/13 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1525.0 1528.0 Analysis
8 Chess Power House June Open 2024 (B) 2024/06/23 2024/06/23 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1513.0 1518.4 Analysis
7 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (B) 2024/06/01 2024/06/01 Tshwane (GTP) Standard 60 0.83 5 4 2.5 1513.0 1518.4 Analysis
6 2024 Tshwane South School District CLOSED Individual Championships (U18 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1513.3 1521.6 Analysis
5 2024 Milos Ristic Open Chess Tournament (A) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1544.9 1571.8 Analysis
4 2024 KSNG CHess Academy Open Tournament (B) 2024/04/06 2024/04/06 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1544.9 1571.8 Analysis
3 2024 Lubowski Open Chess Tournament (B) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1537.4 1555.2 Analysis
2 2024 Piet Robbertse Open Chess Tournament (C) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 5 5.0 1495.3 1508.1 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U18A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 5.0 1455.6 1470.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
30 2024 Etienne Lewis (U18+U20) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 4.5 1503.5 1498.9 Analysis
29 Gauteng Schools Individuals Finals 2024 (U18 Boys) 2024/08/17 2024/08/17 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1503.5 1498.9 Analysis
28 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U19B) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1518.1 1516.8 Analysis
27 2024 Midstream College Open Chess Tournament (A) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1525.0 1528.0 Analysis
26 Menlopark Open Chess Tournament 2024 (A) 2024/07/13 2024/07/13 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1525.0 1528.0 Analysis
25 Chess Power House June Open 2024 (B) 2024/06/23 2024/06/23 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1513.0 1518.4 Analysis
24 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (B) 2024/06/01 2024/06/01 Tshwane (GTP) Standard 60 0.83 5 4 2.5 1513.0 1518.4 Analysis
23 2024 Tshwane South School District CLOSED Individual Championships (U18 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1513.3 1521.6 Analysis
22 2024 Milos Ristic Open Chess Tournament (A) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1544.9 1571.8 Analysis
21 2024 KSNG CHess Academy Open Tournament (B) 2024/04/06 2024/04/06 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1544.9 1571.8 Analysis
20 2024 Lubowski Open Chess Tournament (B) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1537.4 1555.2 Analysis
19 2024 Piet Robbertse Open Chess Tournament (C) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 5 5.0 1495.3 1508.1 Analysis
18 2024 Gauteng Inter-Region Chess Championship (U18A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 5.0 1455.6 1470.7 Analysis
17 Chess is My Lifestyle 2023 (High School Boys) 2023/12/09 2023/12/09 Johannesburg Metro (GJM) Rapid 30 0.60 5 5 3.0 1464.6 1200.0 Analysis
16 Tshwane Chess Arbiter Norm Blitz Tournament 2023 2023/10/29 2023/10/29 Tshwane (GTP) Blitz 5 0.18 11 11 6.0 1498.6 1200.0 Analysis
15 Lardies Open Tournament 2023 (C) 2023/10/28 2023/10/28 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1498.6 1500.5 Analysis
14 2023 Tuks Open Chess Tournament (C) 2023/10/07 2023/10/07 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1498.6 1500.5 Analysis
13 2023 Etienne Lewis Closed Tournament (U18+U20) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 6 3.5 1495.6 1498.9 Analysis
12 2023 Lubowski Open Tournament (C) 2023/06/24 2023/06/25 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1451.4 1446.7 Analysis
11 2023 Elize Steenkamp Open Tournament (C) 2023/06/16 2023/06/17 Tshwane (GTP) Standard 90 0.94 6 6 5.0 1451.4 1446.7 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 66 37 10 19 42.0 63.6 115.9 1436.9 1552.8
White 33 18 6 9 21.0 63.6 115.9 1428.0 1543.9
Black 33 19 4 10 21.0 63.6 115.9 1445.7 1561.6
Standard All 66 37 10 19 42.0 63.6 115.9 1436.9 1552.8
White 33 18 6 9 21.0 63.6 115.9 1428.0 1543.9
Black 33 19 4 10 21.0 63.6 115.9 1445.7 1561.6
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 157 93 18 46 102.0 65.0 127.2 1342.3 1469.5
White 80 47 11 22 52.5 65.6 132.8 1329.4 1462.3
Black 77 46 7 24 49.5 64.3 121.4 1355.6 1477.1
Standard All 141 85 16 40 93.0 66.0 135.6 1347.5 1483.2
White 71 41 10 20 46.0 64.8 125.7 1345.3 1471.0
Black 70 44 6 20 47.0 67.1 145.7 1349.8 1495.5
Rapid All 5 3 0 2 3.0 60.0 85.0 1305.1 1390.1
White 3 2 0 1 2.0 66.7 141.7 1311.4 1453.0
Black 2 1 0 1 1.0 50.0 0.0 1295.7 1295.7
Blitz All 11 5 2 4 6.0 54.5 38.6 1291.8 1330.4
White 6 4 1 1 4.5 75.0 212.5 1150.9 1363.4
Black 5 1 1 3 1.5 30.0 -170.0 1460.9 1290.9
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 107088585 Grobler, JTW (Johannes Theodorus Wessel) 3 2.5 2 1 0 83.3 1470.4 283.3 1753.7 View list
2 1080139932 Wolfaardt, J (John Eduan) 3 2.0 2 0 1 66.7 1406.5 141.7 1548.2 View list
3 1090116742 Baloyi, B (Boikanyo) 2 2.0 2 0 0 100.0 1339.8 425.0 1764.8 View list
4 1070112457 Bhula, S (Shyam Hitesh) 2 2.0 2 0 0 100.0 1315.3 425.0 1740.3 View list
5 1120109890 Grahan, T (Tylo) 2 2.0 2 0 0 100.0 1297.2 425.0 1722.2 View list
6 1130108354 Jansen Van Vuuren, G (Gianni) 2 2.0 2 0 0 100.0 1315.3 425.0 1740.3 View list
7 1090130089 Matsiokolo, G (Godisang) 2 2.0 2 0 0 100.0 1488.2 425.0 1913.2 View list
8 1090149162 Murray, H (Henry) 2 2.0 2 0 0 100.0 1286.8 425.0 1711.8 View list
9 1100148730 Nkabinde, L (Lwazi) 2 2.0 2 0 0 100.0 1482.2 425.0 1907.2 View list
10 2140135776 Roberts, F (Frans-Leigh) 2 2.0 2 0 0 100.0 1286.8 425.0 1711.8 View list
11 1090098581 Bath, X (Xavier) 2 1.5 1 1 0 75.0 1317.9 212.5 1530.4 View list
12 108090807 Mcphail, R (Ryan) 2 1.0 1 0 1 50.0 1508.4 0.0 1508.4 View list
13 199092500 Molobi, G (Gomolemo) 2 1.0 1 0 1 50.0 1518.0 0.0 1518.0 View list
14 1090161709 Msimango, M (Moremi) 2 1.0 1 0 1 50.0 1520.1 0.0 1520.1 View list
15 175000249 Adamson, LJ (Luke) 2 0.5 0 1 1 25.0 1541.2 -212.5 1328.7 View list
16 1110100045 Gondwe, P (Prosper) 2 0.5 0 1 1 25.0 1519.0 -212.5 1306.5 View list
17 1070134686 Kruger, N (Neeke) 2 0.5 0 1 1 25.0 1499.5 -212.5 1287.0 View list
18 199089714 Motsoaledi, B (Boipelo) 2 0.5 0 1 1 25.0 1184.4 -212.5 971.9 View list
19 1020190901 Takaindisa, A (Abel) 2 0.5 0 1 1 25.0 1529.0 -212.5 1316.5 View list
20 1090116741 Kekana, N (Neo) 2 0.0 0 0 2 0.0 1456.5 -425.0 1031.5 View list