Player Page

Rossouw, J (Johrne)
Dob: 2008/03/11 (U18)
Gender: Male
Chess SA id: 108086187
FIDE id:
Region: Mangaung (FMB)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (2 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 rating1554.3
Curent Weighted rating1472.4
Curent Weighted performance1516.3
Current official/published rating (highest between Raw, WR and WP)1554.3
Current floor (min rating allowed)1054.3
Current highest rating achieved1554.3
Current K-factor32
Games played this month10
Score (S)6.5
Expected score (We)6.59
Difference (S-We)-0.09
Current Raw change (no limits, including tournament time weight)-2.5
Current min/max change allowed (with limits)±100.1
Current Raw change used (final)-2.5
Projected new Raw rating1551.8
Projected new Weighed rating1480.8
Projected new Weighted performance1516.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1551.8
Projected effective change (new Official - current Official)-2.5
Projected new highest rating1554.3
Projected new floor1054.3
Projected new K-facor32
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 rating1500.6
Curent Weighted rating1473.9
Curent Weighted performance1436.6
Current official/published rating (highest between Raw, WR and WP)1500.6
Current floor (min rating allowed)1000.6
Current highest rating achieved1500.6
Current K-factor32
Games played this month10
Score (S)6.5
Expected score (We)6.37
Difference (S-We)0.13
Current Raw change (no limits, including tournament time weight)4.2
Current min/max change allowed (with limits)±108.1
Current Raw change used (final)4.2
Projected new Raw rating1504.8
Projected new Weighed rating1478.4
Projected new Weighted performance1436.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1504.8
Projected effective change (new Official - current Official)+4.2
Projected new highest rating1504.8
Projected new floor1004.8
Projected new K-facor32
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 rating1547.6
Curent Weighted rating1334.6
Curent Weighted performance1525.1
Current official/published rating (highest between Raw, WR and WP)1547.6
Current floor (min rating allowed)1047.6
Current highest rating achieved1547.6
Current K-factor32
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)±101.1
Current Raw change used (final)0.0
Projected new Raw rating1547.6
Projected new Weighed rating1355.7
Projected new Weighted performance1525.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1547.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1547.6
Projected new floor1047.6
Projected new K-facor32
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 rating1071.5
Curent Weighted rating1023.8
Curent Weighted performance700.8
Current official/published rating (highest between Raw, WR and WP)1071.5
Current floor (min rating allowed)1047.6
Current highest rating achieved1071.5
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)±199.1
Current Raw change used (final)0.0
Projected new Raw rating1071.5
Projected new Weighed rating1028.9
Projected new Weighted performance700.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1071.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1071.5
Projected new floor1047.6
Projected new K-facor40
Tournaments
Tournament: Mangaung Metro Chess 10-11 May 2024 (A)
Start: 2024/05/10  End: 2024/05/11  Host: FMB  Type: Standard   Time: 62  Time weight: 0.84  Rounds: 5
Games: 5  Score: 3.0
Main rating: 1554.3  Rating gain/loss: -9.9
Type rating: 1500.6  Rating gain/loss: -14.1
Analysis
Tournament: Spartan Bishops Chess Championships 2024 (Bishops)
Start: 2024/05/04  End: 2024/05/05  Host: NBR  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.5
Main rating: 1554.3  Rating gain/loss: 7.4
Type rating: 1500.6  Rating gain/loss: 18.2
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
9 Mangaung Metro Chess 10-11 May 2024 (A) 2024/05/10 2024/05/11 Mangaung (FMB) Standard 62 0.84 5 5 3.0 1554.3 1500.6 Analysis
8 Spartan Bishops Chess Championships 2024 (Bishops) 2024/05/04 2024/05/05 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.5 1554.3 1500.6 Analysis
7 Mangaung Metro Chess 12-13 April 2024 (A) 2024/04/12 2024/04/13 Mangaung (FMB) Standard 62 0.84 5 5 4.0 1549.2 1498.0 Analysis
6 Mangaung Metro Chess 9 March 2024 (A) 2024/03/09 2024/03/09 Mangaung (FMB) Rapid 32 0.63 5 5 3.0 1535.4 1516.3 Analysis
5 Bloemfontein Highschool League 2024 (U19A) 2024/03/08 2024/03/08 Mangaung (FMB) Rapid 15 0.39 5 5 5.0 1535.4 1516.3 Analysis
4 Grey College Team Championship 2024 (A) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 3.5 1488.3 1493.2 Analysis
3 Bloemfontein High School League 16 February 2024 (U19A+U19B) 2024/02/16 2024/02/16 Mangaung (FMB) Rapid 15 0.39 5 5 4.5 1488.3 1375.4 Analysis
2 Mangaung Metro Chess 10 February 2024 (A) 2024/02/10 2024/02/10 Mangaung (FMB) Rapid 32 0.63 5 5 3.5 1488.3 1375.4 Analysis
1 Kings & Queens Chess 27 January 2024 (A) 2024/01/27 2024/01/27 Mangaung (FMB) Rapid 32 0.63 5 5 4.0 1459.1 1300.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
61 Mangaung Metro Chess 10-11 May 2024 (A) 2024/05/10 2024/05/11 Mangaung (FMB) Standard 62 0.84 5 5 3.0 1554.3 1500.6 Analysis
60 Spartan Bishops Chess Championships 2024 (Bishops) 2024/05/04 2024/05/05 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.5 1554.3 1500.6 Analysis
59 Mangaung Metro Chess 12-13 April 2024 (A) 2024/04/12 2024/04/13 Mangaung (FMB) Standard 62 0.84 5 5 4.0 1549.2 1498.0 Analysis
58 Mangaung Metro Chess 9 March 2024 (A) 2024/03/09 2024/03/09 Mangaung (FMB) Rapid 32 0.63 5 5 3.0 1535.4 1516.3 Analysis
57 Bloemfontein Highschool League 2024 (U19A) 2024/03/08 2024/03/08 Mangaung (FMB) Rapid 15 0.39 5 5 5.0 1535.4 1516.3 Analysis
56 Grey College Team Championship 2024 (A) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 3.5 1488.3 1493.2 Analysis
55 Bloemfontein High School League 16 February 2024 (U19A+U19B) 2024/02/16 2024/02/16 Mangaung (FMB) Rapid 15 0.39 5 5 4.5 1488.3 1375.4 Analysis
54 Mangaung Metro Chess 10 February 2024 (A) 2024/02/10 2024/02/10 Mangaung (FMB) Rapid 32 0.63 5 5 3.5 1488.3 1375.4 Analysis
53 Kings & Queens Chess 27 January 2024 (A) 2024/01/27 2024/01/27 Mangaung (FMB) Rapid 32 0.63 5 5 4.0 1459.1 1300.2 Analysis
52 Bloemfontein HS League 27 October 2023 (U19) 2023/10/27 2023/10/27 Cape Winelands (WCW) Rapid 15 0.39 5 5 3.0 1495.0 1329.4 Analysis
51 Heidedal Chess 14 October 2023 (A) 2023/10/14 2023/10/14 Mangaung (FMB) Rapid 32 0.63 5 5 2.0 1495.0 1329.4 Analysis
50 Bloemfontein HS League 13 October 2023 (U17+U19) 2023/10/13 2023/10/13 Mangaung (FMB) Rapid 20 0.47 5 5 4.0 1495.0 1329.4 Analysis
49 St Andrews 19 August 2023 (A) 2023/08/19 2023/08/19 Mangaung (FMB) Rapid 32 0.63 5 5 3.5 1474.6 1269.8 Analysis
48 Morris Club Championship 2023 2023/07/28 2023/07/28 Mangaung (FMB) Rapid 32 0.63 5 5 4.0 1464.7 1208.2 Analysis
47 9th Piet van Zyl Chess Festival 2023 (B) 2023/05/26 2023/05/27 Mangaung (FMB) Standard 90 0.94 5 5 3.5 1405.7 1422.2 Analysis
46 Inter Regional Chess Championship 2023 (U16) 2023/05/19 2023/05/20 Mangaung (FMB) Standard 62 0.84 5 5 5.0 1405.7 1422.2 Analysis
45 Bloemfontein Highschool League 24 Feb 2023 (U19A) 2023/02/24 2023/02/24 Mangaung (FMB) Rapid 17 0.42 5 5 3.0 1375.5 1236.3 Analysis
44 Grey College Team Championship 2023 (A) 2023/02/03 2023/02/04 Mangaung (FMB) Standard 60 0.83 5 5 4.5 1375.5 1361.7 Analysis
43 Kings & Queens Chess 21 January 2023 (A) 2023/01/21 2023/01/21 Mangaung (FMB) Rapid 32 0.63 5 5 3.0 1370.1 1214.7 Analysis
42 2022 South African Junior Team Chess Championships (U16 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 7 2.0 1400.5 1394.8 Analysis
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Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 45 31 6 8 34.0 75.6 217.2 1396.7 1613.9
White 22 17 3 2 18.5 84.1 289.8 1381.1 1670.9
Black 23 14 3 6 15.5 67.4 147.8 1411.5 1559.4
Standard All 20 12 4 4 14.0 70.0 170.0 1375.1 1545.1
White 9 6 2 1 7.0 77.8 236.1 1350.8 1586.9
Black 11 6 2 3 7.0 63.6 115.9 1395.0 1510.9
Rapid All 25 19 2 4 20.0 80.0 255.0 1413.9 1668.9
White 13 11 1 1 11.5 88.5 326.9 1402.2 1729.1
Black 12 8 1 3 8.5 70.8 177.1 1426.7 1603.8
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 324 191 33 100 207.5 64.0 119.4 1202.0 1321.4
White 167 101 21 45 111.5 66.8 142.5 1180.8 1323.4
Black 157 90 12 55 96.0 61.1 94.7 1224.6 1319.3
Standard All 185 110 23 52 121.5 65.7 133.2 1128.7 1262.0
White 96 60 13 23 66.5 69.3 163.8 1105.7 1269.5
Black 89 50 10 29 55.0 61.8 100.3 1153.6 1253.9
Rapid All 104 65 8 31 69.0 66.3 138.9 1329.9 1468.9
White 52 32 6 14 35.0 67.3 147.1 1317.8 1464.9
Black 52 33 2 17 34.0 65.4 130.8 1342.1 1472.9
Blitz All 35 16 2 17 17.0 48.6 -12.1 1209.4 1197.3
White 19 9 2 8 10.0 52.6 22.4 1185.9 1208.3
Black 16 7 0 9 7.0 43.8 -53.1 1237.3 1184.2
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 107069734 Jordaan, W (Wian) 9 9.0 9 0 0 100.0 1354.0 425.0 1779.0 View list
2 102034070 Senatle, K (Kamogelo) 7 0.0 0 0 7 0.0 1451.1 -425.0 1026.1 View list
3 1040106774 Redguard, J (Junaid) 5 4.0 4 0 1 80.0 1343.4 255.0 1598.4 View list
4 1040106458 Mcthebe, M (Marshall) 5 2.5 2 1 2 50.0 1396.3 0.0 1396.3 View list
5 107064255 Van Rensburg, M (Malan) 5 2.5 2 1 2 50.0 971.1 0.0 971.1 View list
6 1050136744 Pretorius, L (Leighan) 4 4.0 4 0 0 100.0 1474.5 425.0 1899.5 View list
7 106044536 Robberts, M (Morne Christian) 4 3.0 3 0 1 75.0 1226.9 212.5 1439.4 View list
8 207064249 Boje, C (Carissa) 4 2.5 2 1 1 62.5 1326.5 106.3 1432.7 View list
9 101084890 Nophale, N (Ntokozo) 4 2.5 2 1 1 62.5 1417.2 106.3 1523.4 View list
10 107076014 Van Rooyen, H (Hanro) 4 2.0 2 0 2 50.0 1222.7 0.0 1222.7 View list
11 101025290 Motaung, L (Lehlohonolo) 4 1.0 1 0 3 25.0 1416.9 -212.5 1204.4 View list
12 107052210 Kotze, CJ (Christiaan) 4 0.5 0 1 3 12.5 1474.5 -318.8 1155.8 View list
13 102023635 Modirwa, O (Ofentse) 4 0.5 0 1 3 12.5 1459.2 -318.8 1140.5 View list
14 107070351 Molemi, K (Katleho) 3 3.0 3 0 0 100.0 1105.1 425.0 1530.1 View list
15 1870111352 Van Der Merwe, T (Tiaan) 3 3.0 3 0 0 100.0 1455.1 425.0 1880.1 View list
16 108069747 Melville, J (Jason) 3 2.5 2 1 0 83.3 1232.4 283.3 1515.8 View list
17 172017078 Landman, J (Johan) 3 2.0 2 0 1 66.7 1391.0 141.7 1532.6 View list
18 107059659 Marangellis, H (Haralambos) 3 2.0 2 0 1 66.7 1314.8 141.7 1456.4 View list
19 105035097 Smit, A (Albert) 3 2.0 1 2 0 66.7 1423.0 141.7 1564.7 View list
20 107059658 Eliades, AK (Alexandros) 3 1.0 1 0 2 33.3 1183.0 -141.7 1041.3 View list