Player Page

Oosthuizen, J (Johann)
Dob: 1982/02/10 (Adult)
Gender: Male
Chess SA id: 182094875
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2023/10/28 (205 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 rating1179.7
Curent Weighted rating1170.8
Curent Weighted performance681.1
Current official/published rating (highest between Raw, WR and WP)1179.7
Current floor (min rating allowed)679.7
Current highest rating achieved1179.7
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)±170.7
Current Raw change used (final)0.0
Projected new Raw rating1179.7
Projected new Weighed rating1171.9
Projected new Weighted performance681.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1179.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1179.7
Projected new floor679.7
Projected new K-facor40
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 rating1192.8
Curent Weighted rating1183.4
Curent Weighted performance691.2
Current official/published rating (highest between Raw, WR and WP)1192.8
Current floor (min rating allowed)692.8
Current highest rating achieved1192.8
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)±167.5
Current Raw change used (final)0.0
Projected new Raw rating1192.8
Projected new Weighed rating1184.5
Projected new Weighted performance691.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1192.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1192.8
Projected new floor692.8
Projected new K-facor40
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 rating1231.8
Curent Weighted rating1171.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1231.8
Current floor (min rating allowed)731.8
Current highest rating achieved1231.8
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)±158.5
Current Raw change used (final)0.0
Projected new Raw rating1231.8
Projected new Weighed rating1177.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1231.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1231.8
Projected new floor731.8
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 rating1157.3
Curent Weighted rating1106.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1157.3
Current floor (min rating allowed)731.8
Current highest rating achieved1157.3
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)±176.2
Current Raw change used (final)0.0
Projected new Raw rating1157.3
Projected new Weighed rating1111.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1157.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1157.3
Projected new floor731.8
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 Lardies Open Tournament 2023 (C) 2023/10/28 2023/10/28 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1160.1 1172.0 Analysis
8 Eureka Chess Open 2019 (C) 2019/07/27 2019/07/27 Sedibeng (GSV) Standard 61 0.83 5 5 3.5 1129.9 1139.2 Analysis
7 2019 SWVG Arnold Classic (Blitz Open) 2019/05/19 2019/05/19 Tshwane (GTP) Blitz 5 0.18 10 10 3.0 1145.2 1200.0 Analysis
6 2019 SWVG Arnold Classic (Rapid Open) 2019/05/18 2019/05/19 Tshwane (GTP) Rapid 35 0.66 10 9 3.0 1145.2 1200.0 Analysis
5 2019 TuksChess Open (C) 2019/02/23 2019/02/23 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1090.1 1079.2 Analysis
4 2019 Heidelberg Open (C) 2019/02/02 2019/02/02 Sedibeng (GSV) Standard 120 1.00 5 5 2.5 1090.1 1079.2 Analysis
3 Boksburg Open 2019 (B) 2019/01/19 2019/01/19 Ekurhuleni (GE) Standard 60 0.83 5 4 1.0 1108.7 1100.4 Analysis
2 2018 Gauteng North Open (C) 2018/10/20 2018/10/21 Tshwane (GTP) Standard 90 0.94 5 3 2.0 1070.3 1058.8 Analysis
1 2018 Alekhine Open (C) 2018/08/09 2018/08/11 Tshwane (GTP) Standard 90 0.94 6 5 0.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 51 20 3 28 21.5 42.2 -66.7 1168.1 1101.4
White 27 9 0 18 9.0 33.3 -141.7 1174.2 1032.5
Black 24 11 3 10 12.5 52.1 17.7 1161.2 1178.9
Standard All 32 14 3 15 15.5 48.4 -13.3 1139.7 1126.5
White 17 7 0 10 7.0 41.2 -75.0 1143.8 1068.8
Black 15 7 3 5 8.5 56.7 56.7 1135.2 1191.8
Rapid All 9 3 0 6 3.0 33.3 -141.7 1285.0 1143.3
White 5 1 0 4 1.0 20.0 -255.0 1323.5 1068.5
Black 4 2 0 2 2.0 50.0 0.0 1236.8 1236.8
Blitz All 10 3 0 7 3.0 30.0 -170.0 1153.5 983.5
White 5 1 0 4 1.0 20.0 -255.0 1128.2 873.2
Black 5 2 0 3 2.0 40.0 -85.0 1178.7 1093.7
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 195000847 Asiwe, DK (Daniel) 2 0.0 0 0 2 0.0 1145.2 -425.0 720.2 View list
2 210088596 Louw, N (Nova) 1 1.0 1 0 0 100.0 1070.3 425.0 1495.3 View list
3 1120133903 Buchner, E (Emil) 1 1.0 1 0 0 100.0 1160.1 425.0 1585.1 View list
4 102095339 Dube, B (Brandon) 1 1.0 1 0 0 100.0 1129.9 425.0 1554.9 View list
5 1850115385 Letshwenyo, KE (Kebalepile Edwin) 1 1.0 1 0 0 100.0 1145.2 425.0 1570.2 View list
6 1090109066 Jooste, J (Josh) 1 1.0 1 0 0 100.0 1090.1 425.0 1515.1 View list
7 103089889 Crossley-Forest, K (Kyle) 1 1.0 1 0 0 100.0 1145.2 425.0 1570.2 View list
8 1050108484 Bholo, SV (Sicelo Vuyo) 1 1.0 1 0 0 100.0 1129.9 425.0 1554.9 View list
9 108086540 Malan, HB (Hendrik) 1 1.0 1 0 0 100.0 1070.3 425.0 1495.3 View list
10 1130131224 Minny, O (Oban) 1 1.0 1 0 0 100.0 1160.1 425.0 1585.1 View list
11 1100103439 Mungal, E (Ethan) 1 1.0 1 0 0 100.0 1145.2 425.0 1570.2 View list
12 2030107791 Ndlovu, S (Shiluva) 1 1.0 1 0 0 100.0 1108.7 425.0 1533.7 View list
13 207058608 Ngubeni, U (Unathi) 1 1.0 1 0 0 100.0 1145.2 425.0 1570.2 View list
14 1920115394 Nyembe, M (Minenhle) 1 1.0 1 0 0 100.0 1145.2 425.0 1570.2 View list
15 1080107166 Oosthuizen, K (Kagan) 1 1.0 1 0 0 100.0 1090.1 425.0 1515.1 View list
16 101077222 Ray, L (Liam) 1 1.0 1 0 0 100.0 1145.2 425.0 1570.2 View list
17 204060211 Selatole, R (Realotsha) 1 1.0 1 0 0 100.0 1090.1 425.0 1515.1 View list
18 104037050 Swart, W (Wian) 1 1.0 1 0 0 100.0 1090.1 425.0 1515.1 View list
19 107064054 Tabane, G (Gomolemo) 1 1.0 1 0 0 100.0 1129.9 425.0 1554.9 View list
20 107093192 Visser, N (Nico) 1 1.0 1 0 0 100.0 1090.1 425.0 1515.1 View list