Player Page

Stephen, B (Bulelani)
Dob: 2009/01/10 (U16)
Gender: Male
Chess SA id: 1090146030
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/07/06 (10 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 rating1803.7
Current Weighted rating1664.7
Current Weighted performance1712.3
Current official/published rating (highest between Raw, WR and WP)1803.7
Current highest rating achieved1812.1
Current floor (min rating allowed)1312.1
Current K-factor24
Games played this month4
Score (S)1.0
Expected score (We)1.51
Difference (S-We)-0.42
Current Raw change (no limits, including tournament time weight)-10.2
Current min/max change allowed (with limits)±70.2
Current Raw change used (final)-10.2
Projected new Raw rating1793.5
Projected new Weighed rating1539.7
Projected new Weighted performance1708.9
Projected new final Raw rating (if new WP > new Raw)1793.5
Projected new highest rating1812.1
Projected new floor1312.1
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1793.5
Projected effective change (new Official - current Official)-10.2
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 rating1809.4
Current Weighted rating1670.0
Current Weighted performance1712.3
Current official/published rating (highest between Raw, WR and WP)1809.4
Current highest rating achieved1821.4
Current floor (min rating allowed)1321.4
Current K-factor24
Games played this month4
Score (S)1.0
Expected score (We)1.37
Difference (S-We)-0.37
Current Raw change (no limits, including tournament time weight)-8.9
Current min/max change allowed (with limits)±69.6
Current Raw change used (final)-8.9
Projected new Raw rating1800.5
Projected new Weighed rating1544.6
Projected new Weighted performance1708.9
Projected new final Raw rating (if new WP > new Raw)1800.5
Projected new highest rating1821.4
Projected new floor1321.4
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1800.5
Projected effective change (new Official - current Official)-8.9
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 rating1278.8
Current Weighted rating1254.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1278.8
Current highest rating achieved1278.8
Current floor (min rating allowed)778.8
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)±148.2
Current Raw change used (final)0.0
Projected new Raw rating1278.8
Projected new Weighed rating1156.0
Projected new Weighted performance468.7
Projected new final Raw rating (if new WP > new Raw)1278.8
Projected new highest rating1278.8
Projected new floor778.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1278.8
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: 2024 Prestige College Open Chess Tournament (Prestige)
Start: 2024/07/06  End: 2024/07/06  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 4
Games: 4  Score: 1.0
Main rating: 1803.7  Rating gain/loss: -10.2
Type rating: 1809.4  Rating gain/loss: -8.9
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
14 2024 Prestige College Open Chess Tournament (Prestige) 2024/07/06 2024/07/06 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1803.7 1809.4 Analysis
13 2024 Tshwane North School District CLOSED Individual Champioships (U15 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1812.1 1821.4 Analysis
12 District 3 Cluster 4 and 5 Individuals 2024 (U15 Boys) 2024/05/04 2024/05/04 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1812.1 1821.4 Analysis
11 South African Junior Closed Chess Championship 2024 (U16 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 5.5 1812.1 1821.4 Analysis
10 2024 Silver Lakes Open Chess Tournament (Prestige) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1807.3 1820.9 Analysis
9 2024 KSNG CHess Academy Open Tournament (Prestige) 2024/04/06 2024/04/06 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1807.3 1820.9 Analysis
8 2024 Lubowski Open Chess Tournament (A) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 4 1.0 1789.8 1793.5 Analysis
7 2024 Wynie Robbertse Chess Tournament (A) 2024/03/02 2024/03/02 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1789.8 1793.5 Analysis
6 2024 Tshwane Chess AHS Open Chess Tournament (B) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1741.0 1751.3 Analysis
5 2024 Constantiapark Open (A) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1741.0 1751.3 Analysis
4 2024 Blou Bul Open Chess Tournament (B) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 4 4.0 1741.0 1751.3 Analysis
3 2024 Piet Robbertse Open Chess Tournament (B) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 5 3.5 1741.0 1751.3 Analysis
2 2024 Tshwane Chess OPEN Registration Tournament (B) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1636.8 1642.4 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U16A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 5.0 1636.8 1642.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
35 2024 Prestige College Open Chess Tournament (Prestige) 2024/07/06 2024/07/06 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1803.7 1809.4 Analysis
34 2024 Tshwane North School District CLOSED Individual Champioships (U15 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1812.1 1821.4 Analysis
33 District 3 Cluster 4 and 5 Individuals 2024 (U15 Boys) 2024/05/04 2024/05/04 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1812.1 1821.4 Analysis
32 South African Junior Closed Chess Championship 2024 (U16 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 5.5 1812.1 1821.4 Analysis
31 2024 Silver Lakes Open Chess Tournament (Prestige) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1807.3 1820.9 Analysis
30 2024 KSNG CHess Academy Open Tournament (Prestige) 2024/04/06 2024/04/06 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1807.3 1820.9 Analysis
29 2024 Lubowski Open Chess Tournament (A) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 4 1.0 1789.8 1793.5 Analysis
28 2024 Wynie Robbertse Chess Tournament (A) 2024/03/02 2024/03/02 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1789.8 1793.5 Analysis
27 2024 Tshwane Chess AHS Open Chess Tournament (B) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1741.0 1751.3 Analysis
26 2024 Constantiapark Open (A) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1741.0 1751.3 Analysis
25 2024 Blou Bul Open Chess Tournament (B) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 4 4.0 1741.0 1751.3 Analysis
24 2024 Piet Robbertse Open Chess Tournament (B) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 5 3.5 1741.0 1751.3 Analysis
23 2024 Tshwane Chess OPEN Registration Tournament (B) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1636.8 1642.4 Analysis
22 2024 Gauteng Inter-Region Chess Championship (U16A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 5.0 1636.8 1642.4 Analysis
21 2023 Gauteng Noord (B) 2023/10/14 2023/10/15 Tshwane (GTP) Standard 90 0.94 5 4 2.0 1648.4 1655.0 Analysis
20 2023 Alekhine Open Tournament (B) 2023/09/09 2023/09/10 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1636.2 1636.2 Analysis
19 2023 u16 OR Tambo Soncini Chess Tournament 2023/09/02 2023/09/02 Tshwane (GTP) Rapid 30 0.60 6 6 5.0 1636.2 1200.0 Analysis
18 2023 Etienne Lewis Closed Tournament (U16) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 5.0 1630.0 1630.6 Analysis
17 2023 Gauteng Top Schools (U15 Mixed) 2023/08/19 2023/08/19 West Rand (GWR) Standard 60 0.83 5 5 3.5 1630.0 1630.6 Analysis
16 2023 Tshwane North School District CLOSED League Championships (D3) (U15) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1630.0 1630.6 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 71 46 10 15 51.0 71.8 185.6 1618.5 1804.1
White 37 26 5 6 28.5 77.0 229.7 1613.1 1842.8
Black 34 20 5 9 22.5 66.2 137.5 1624.5 1762.0
Standard All 71 46 10 15 51.0 71.8 185.6 1618.5 1804.1
White 37 26 5 6 28.5 77.0 229.7 1613.1 1842.8
Black 34 20 5 9 22.5 66.2 137.5 1624.5 1762.0
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 176 118 21 37 128.5 73.0 195.6 1464.0 1659.6
White 87 60 10 17 65.0 74.7 210.1 1473.7 1683.7
Black 89 58 11 20 63.5 71.3 181.5 1454.6 1636.0
Standard All 170 113 21 36 123.5 72.6 192.5 1470.0 1662.5
White 84 58 10 16 63.0 75.0 212.5 1479.0 1691.5
Black 86 55 11 20 60.5 70.3 173.0 1461.2 1634.1
Rapid All 6 5 0 1 5.0 83.3 283.3 1294.7 1578.0
White 3 2 0 1 2.0 66.7 141.7 1323.7 1465.4
Black 3 3 0 0 3.0 100.0 425.0 1265.7 1690.7
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1090116742 Baloyi, B (Boikanyo) 5 5.0 5 0 0 100.0 1539.8 425.0 1964.8 View list
2 166037886 Tissot Van Patot, A (Anton) 3 3.0 3 0 0 100.0 1773.5 425.0 2198.5 View list
3 1090116741 Kekana, N (Neo) 3 2.5 2 1 0 83.3 1690.7 283.3 1974.0 View list
4 1070134686 Kruger, N (Neeke) 3 2.0 2 0 1 66.7 1779.4 141.7 1921.0 View list
5 1100143696 Songo, D (Divine) 3 1.5 0 3 0 50.0 1728.2 0.0 1728.2 View list
6 177005028 Cloete, WF (Willem) 2 2.0 2 0 0 100.0 1590.9 425.0 2015.9 View list
7 107088585 Grobler, JTW (Johannes Theodorus Wessel) 2 2.0 2 0 0 100.0 1619.0 425.0 2044.0 View list
8 1110103925 Keyter, ZC (Zarius Clarence) 2 2.0 2 0 0 100.0 1447.8 425.0 1872.8 View list
9 1090100051 Kruger, H (Hein) 2 2.0 2 0 0 100.0 1721.0 425.0 2146.1 View list
10 1070133907 Legodi, K (Keorapetse) 2 2.0 2 0 0 100.0 1552.7 425.0 1977.7 View list
11 108086541 Louw, R (Raynor) 2 2.0 2 0 0 100.0 1415.8 425.0 1840.8 View list
12 1090107165 Oosthuizen, L (Ludrick) 2 2.0 2 0 0 100.0 1419.3 425.0 1844.3 View list
13 108061342 Stolp, T (Tiaan) 2 2.0 2 0 0 100.0 1595.2 425.0 2020.2 View list
14 109083250 Byliefeldt, L (Leroux) 2 1.5 1 1 0 75.0 1776.5 212.5 1989.0 View list
15 1100143166 Yilma, L (Lucas) 2 1.5 1 1 0 75.0 1208.6 212.5 1421.1 View list
16 108052034 Du Toit, SJM (Stephanus (Matteo)) 2 1.0 1 0 1 50.0 1633.4 0.0 1633.4 View list
17 184016728 Makhosonke, KM (Kuhlase) 2 1.0 1 0 1 50.0 1807.3 0.0 1807.3 View list
18 192021913 Matthyser, J (Jason) 2 1.0 1 0 1 50.0 1391.8 0.0 1391.8 View list
19 1920133768 Nhlapo, B (Bafana) 2 1.0 1 0 1 50.0 1694.7 0.0 1694.7 View list
20 1130140475 Van Der Westhuizen, L (Lihan) 2 1.0 1 0 1 50.0 1642.3 0.0 1642.3 View list