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: 2024/05/01 (9 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 rating1812.1
Curent Weighted rating1619.9
Curent Weighted performance1806.4
Current official/published rating (highest between Raw, WR and WP)1812.1
Current floor (min rating allowed)1312.1
Current highest rating achieved1812.1
Current K-factor24
Games played this month9
Score (S)5.5
Expected score (We)5.45
Difference (S-We)0.05
Current Raw change (no limits, including tournament time weight)1.2
Current min/max change allowed (with limits)±69.3
Current Raw change used (final)1.2
Projected new Raw rating1813.3
Projected new Weighed rating1644.1
Projected new Weighted performance1806.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1813.3
Projected effective change (new Official - current Official)+1.2
Projected new highest rating1813.3
Projected new floor1313.3
Projected new K-facor24
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 rating1821.4
Curent Weighted rating1625.0
Curent Weighted performance1810.5
Current official/published rating (highest between Raw, WR and WP)1821.4
Current floor (min rating allowed)1321.4
Current highest rating achieved1821.4
Current K-factor24
Games played this month9
Score (S)5.5
Expected score (We)5.44
Difference (S-We)0.06
Current Raw change (no limits, including tournament time weight)1.4
Current min/max change allowed (with limits)±68.4
Current Raw change used (final)1.4
Projected new Raw rating1822.8
Projected new Weighed rating1649.6
Projected new Weighted performance1810.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1822.8
Projected effective change (new Official - current Official)+1.4
Projected new highest rating1822.8
Projected new floor1322.8
Projected new K-facor24
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 rating1278.8
Curent Weighted rating1247.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1278.8
Current floor (min rating allowed)778.8
Current highest rating achieved1278.8
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 rating1251.2
Projected new Weighted performance0.0
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
Projected new highest rating1278.8
Projected new floor778.8
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 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)778.8
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 floor778.8
Projected new K-facor36
Tournaments
Tournament: South African Junior Closed Chess Championship 2024 (U16 Open)
Start: 2024/04/27  End: 2024/05/01  Host: GE  Type: Standard   Time: 120  Time weight: 1.00  Rounds: 9
Games: 9  Score: 5.5
Main rating: 1812.1  Rating gain/loss: 1.2
Type rating: 1821.4  Rating gain/loss: 1.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
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
15 2023 Lubowski Open Tournament (B) 2023/06/24 2023/06/25 Tshwane (GTP) Standard 90 0.94 5 5 3.5 1545.0 1536.5 Analysis
14 2023 Elize Steenkamp Open Tournament (B) 2023/06/16 2023/06/16 Tshwane (GTP) Standard 90 0.94 6 6 5.5 1545.0 1536.5 Analysis
13 Wynie Robbertse Open Tournament 2023 (B) 2023/06/03 2023/06/03 Tshwane (GTP) Standard 60 0.83 5 4 3.0 1545.0 1536.5 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 57 38 7 12 41.5 72.8 193.9 1636.7 1830.5
White 29 22 4 3 24.0 82.8 278.4 1620.0 1898.5
Black 28 16 3 9 17.5 62.5 106.3 1653.9 1760.2
Standard All 57 38 7 12 41.5 72.8 193.9 1636.7 1830.5
White 29 22 4 3 24.0 82.8 278.4 1620.0 1898.5
Black 28 16 3 9 17.5 62.5 106.3 1653.9 1760.2
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 162 110 18 34 119.0 73.5 199.4 1457.1 1656.4
White 79 56 9 14 60.5 76.6 225.9 1462.1 1688.1
Black 83 54 9 20 58.5 70.5 174.1 1452.2 1626.3
Standard All 156 105 18 33 114.0 73.1 196.2 1463.3 1659.5
White 76 54 9 13 58.5 77.0 229.3 1467.6 1696.9
Black 80 51 9 20 55.5 69.4 164.7 1459.2 1623.9
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) 4 4.0 4 0 0 100.0 1471.7 425.0 1896.7 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 1070134686 Kruger, N (Neeke) 3 2.0 2 0 1 66.7 1779.4 141.7 1921.0 View list
4 177005028 Cloete, WF (Willem) 2 2.0 2 0 0 100.0 1590.9 425.0 2015.9 View list
5 107088585 Grobler, JTW (Johannes Theodorus Wessel) 2 2.0 2 0 0 100.0 1619.0 425.0 2044.0 View list
6 1090116741 Kekana, N (Neo) 2 2.0 2 0 0 100.0 1630.0 425.0 2055.0 View list
7 1110103925 Keyter, ZC (Zarius Clarence) 2 2.0 2 0 0 100.0 1447.8 425.0 1872.8 View list
8 1070133907 Legodi, K (Keorapetse) 2 2.0 2 0 0 100.0 1552.7 425.0 1977.7 View list
9 108086541 Louw, R (Raynor) 2 2.0 2 0 0 100.0 1415.8 425.0 1840.8 View list
10 1090107165 Oosthuizen, L (Ludrick) 2 2.0 2 0 0 100.0 1419.3 425.0 1844.3 View list
11 108061342 Stolp, T (Tiaan) 2 2.0 2 0 0 100.0 1595.2 425.0 2020.2 View list
12 109083250 Byliefeldt, L (Leroux) 2 1.5 1 1 0 75.0 1776.5 212.5 1989.0 View list
13 1100143166 Yilma, L (Lucas) 2 1.5 1 1 0 75.0 1208.6 212.5 1421.1 View list
14 108052034 Du Toit, SJM (Stephanus (Matteo)) 2 1.0 1 0 1 50.0 1633.4 0.0 1633.4 View list
15 184016728 Makhosonke, KM (Kuhlase) 2 1.0 1 0 1 50.0 1807.3 0.0 1807.3 View list
16 192021913 Matthyser, J (Jason) 2 1.0 1 0 1 50.0 1391.8 0.0 1391.8 View list
17 1920133768 Nhlapo, B (Bafana) 2 1.0 1 0 1 50.0 1694.7 0.0 1694.7 View list
18 1130140475 Van Der Westhuizen, L (Lihan) 2 1.0 1 0 1 50.0 1642.3 0.0 1642.3 View list
19 107069948 Jones, W (William) 2 0.5 0 1 1 25.0 1807.3 -212.5 1594.8 View list
20 109073377 Claassen, EG (Emileo) 1 1.0 1 0 0 100.0 1497.0 425.0 1922.0 View list