Player Page

Roos, S (Shani)
Dob: 2011/06/29 (U14)
Gender: Female
Chess SA id: 2110140248
FIDE id:
Region: West Rand (GWR)
Citizen: RSA
Title(s):
Last active: 2024/06/08 (16 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 rating1301.8
Current Weighted rating1379.4
Current Weighted performance1291.5
Current official/published rating (highest between Raw, WR and WP)1379.4
Current highest rating achieved1449.9
Current floor (min rating allowed)949.9
Current K-factor32
Games played this month5
Score (S)2.0
Expected score (We)2.46
Difference (S-We)-0.38
Current Raw change (no limits, including tournament time weight)-12.2
Current min/max change allowed (with limits)±143.4
Current Raw change used (final)-12.2
Projected new Raw rating1289.6
Projected new Weighed rating1269.2
Projected new Weighted performance1265.2
Projected new final Raw rating (if new WP > new Raw)1289.6
Projected new highest rating1449.9
Projected new floor949.9
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1289.6
Projected effective change (new Official - current Official)-89.9
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 rating1301.2
Current Weighted rating1371.4
Current Weighted performance1291.5
Current official/published rating (highest between Raw, WR and WP)1371.4
Current highest rating achieved1448.4
Current floor (min rating allowed)948.4
Current K-factor32
Games played this month5
Score (S)2.0
Expected score (We)2.43
Difference (S-We)-0.43
Current Raw change (no limits, including tournament time weight)-13.8
Current min/max change allowed (with limits)±143.6
Current Raw change used (final)-13.8
Projected new Raw rating1287.4
Projected new Weighed rating1261.8
Projected new Weighted performance1265.2
Projected new final Raw rating (if new WP > new Raw)1287.4
Projected new highest rating1448.4
Projected new floor948.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1287.4
Projected effective change (new Official - current Official)-83.9
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 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
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: FIDE in the West 2024 (Rooks)
Start: 2024/06/08  End: 2024/06/08  Host: GWR  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 2.0
Main rating: 1301.8  Rating gain/loss: -12.2
Type rating: 1301.2  Rating gain/loss: -13.8
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
9 FIDE in the West 2024 (Rooks) 2024/06/08 2024/06/08 West Rand (GWR) Standard 60 0.83 5 5 2.0 1301.8 1301.2 Analysis
8 Bojanala Circuit Championship 1 of 4 2024 (U14) 2024/05/25 2024/05/25 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1375.1 1370.0 Analysis
7 2024 D2 Schools Individuals (U13 Girls) 2024/05/04 2024/05/04 West Rand (GWR) Standard 60 0.83 5 5 5.0 1375.1 1370.0 Analysis
6 South African Junior Closed Chess Championship 2024 (U14 Girls) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 1.0 1375.1 1370.0 Analysis
5 Bojanala Olienpark's One For The Ages 2024 (Bishops) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1393.7 1390.8 Analysis
4 2024 West Rand RHS Open (Rooks) 2024/04/13 2024/04/13 West Rand (GWR) Standard 60 0.83 5 5 3.0 1393.7 1390.8 Analysis
3 2024 West Rand Juniors (U14) 2024/03/09 2024/03/09 West Rand (GWR) Standard 60 0.83 5 5 4.0 1361.8 1350.2 Analysis
2 2024 West Rand Open (U14) 2024/02/03 2024/02/03 West Rand (GWR) Standard 60 0.83 5 5 3.0 1374.8 1366.2 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U14A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1390.4 1379.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
27 FIDE in the West 2024 (Rooks) 2024/06/08 2024/06/08 West Rand (GWR) Standard 60 0.83 5 5 2.0 1301.8 1301.2 Analysis
26 Bojanala Circuit Championship 1 of 4 2024 (U14) 2024/05/25 2024/05/25 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1375.1 1370.0 Analysis
25 2024 D2 Schools Individuals (U13 Girls) 2024/05/04 2024/05/04 West Rand (GWR) Standard 60 0.83 5 5 5.0 1375.1 1370.0 Analysis
24 South African Junior Closed Chess Championship 2024 (U14 Girls) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 1.0 1375.1 1370.0 Analysis
23 Bojanala Olienpark's One For The Ages 2024 (Bishops) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1393.7 1390.8 Analysis
22 2024 West Rand RHS Open (Rooks) 2024/04/13 2024/04/13 West Rand (GWR) Standard 60 0.83 5 5 3.0 1393.7 1390.8 Analysis
21 2024 West Rand Juniors (U14) 2024/03/09 2024/03/09 West Rand (GWR) Standard 60 0.83 5 5 4.0 1361.8 1350.2 Analysis
20 2024 West Rand Open (U14) 2024/02/03 2024/02/03 West Rand (GWR) Standard 60 0.83 5 5 3.0 1374.8 1366.2 Analysis
19 2024 Gauteng Inter-Region Chess Championship (U14A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1390.4 1379.0 Analysis
18 West Rand vs Bojanala Inter-Regional Championships 2023 (U14) 2023/10/14 2023/10/14 West Rand (GWR) Standard 60 0.83 5 4 0.5 1432.4 1427.3 Analysis
17 2023 West Rand Trials (U14) 2023/09/09 2023/09/09 West Rand (GWR) Standard 60 0.83 5 5 3.0 1449.9 1448.4 Analysis
16 2023 Gauteng Top Schools (U13 Girls) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 5 4.5 1422.6 1418.5 Analysis
15 West Rand at Bastion 2023 (Rooks) 2023/08/05 2023/08/05 West Rand (GWR) Standard 60 0.83 5 5 2.0 1422.6 1418.5 Analysis
14 D2 School League Finals 2023 (U13 Girls) 2023/07/22 2023/07/22 West Rand (GWR) Standard 60 0.83 5 5 4.5 1370.2 1363.5 Analysis
13 2023 West Rand RHS Open (Rooks) 2023/06/10 2023/06/10 West Rand (GWR) Standard 60 0.83 5 5 3.0 1370.5 1363.2 Analysis
12 Gauteng Schools Individual Finals 2023 (U13 Girls) 2023/05/26 2023/05/26 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1349.3 1336.3 Analysis
11 D2 Schools Individuals 2023 (U13 Girls) 2023/05/13 2023/05/13 West Rand (GWR) Standard 60 0.83 5 4 3.0 1349.3 1336.3 Analysis
10 West Rand Juniors 2023 (U14) 2023/03/18 2023/03/18 West Rand (GWR) Standard 60 0.83 5 5 3.0 1363.4 1351.0 Analysis
9 WR Tournament and Coaching 2023 (U14) 2023/02/25 2023/02/25 West Rand (GWR) Standard 60 0.83 5 5 3.0 1358.6 1339.5 Analysis
8 2023 West Rand Open (U14) 2023/02/04 2023/02/04 West Rand (GWR) Standard 60 0.83 5 5 4.0 1358.6 1339.5 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 49 25 0 24 25.0 51.0 8.7 1300.8 1309.5
White 26 10 0 16 10.0 38.5 -98.1 1339.6 1241.5
Black 23 15 0 8 15.0 65.2 129.3 1257.0 1386.4
Standard All 49 25 0 24 25.0 51.0 8.7 1300.8 1309.5
White 26 10 0 16 10.0 38.5 -98.1 1339.6 1241.5
Black 23 15 0 8 15.0 65.2 129.3 1257.0 1386.4
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 138 77 7 54 80.5 58.3 70.8 1272.5 1343.3
White 71 38 5 28 40.5 57.0 59.9 1280.6 1340.5
Black 67 39 2 26 40.0 59.7 82.5 1263.9 1346.3
Standard All 138 77 7 54 80.5 58.3 70.8 1272.5 1343.3
White 71 38 5 28 40.5 57.0 59.9 1280.6 1340.5
Black 67 39 2 26 40.0 59.7 82.5 1263.9 1346.3
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2110140239 Barnard, A (Anjanka) 4 4.0 4 0 0 100.0 1327.1 425.0 1752.1 View list
2 2110136699 Perry-Fisher, L (Lily-Paige) 3 3.0 3 0 0 100.0 1363.0 425.0 1788.0 View list
3 1110115390 Jonker, R (Reagan) 3 2.0 2 0 1 66.7 1385.0 141.7 1526.6 View list
4 1110135845 Tibane, H (Hanyani) 3 1.0 1 0 2 33.3 1310.9 -141.7 1169.3 View list
5 1110136394 Botha, J (Johannes Cornelis) 3 0.0 0 0 3 0.0 1415.7 -425.0 990.7 View list
6 2110100231 Miya, MT (Minentle) 3 0.0 0 0 3 0.0 1265.9 -425.0 840.9 View list
7 1100149256 De Koker, J (Juandre) 2 2.0 2 0 0 100.0 1364.5 425.0 1789.5 View list
8 1120156747 De Jager, L (Luan) 2 2.0 2 0 0 100.0 1384.4 425.0 1809.4 View list
9 1110157463 Labuschagne, Q (Quinten) 2 2.0 2 0 0 100.0 1366.2 425.0 1791.2 View list
10 1120144957 Magonare, K (Katlego) 2 2.0 2 0 0 100.0 1255.1 425.0 1680.1 View list
11 210088032 De Vasconcelos, T (Tiaana) 2 1.5 1 1 0 75.0 1398.8 212.5 1611.3 View list
12 1110152508 Moodley, T (Terrell) 2 1.0 1 0 1 50.0 1378.6 0.0 1378.6 View list
13 2100140264 Du Toit, L (Lenka) 2 0.5 0 1 1 25.0 1359.8 -212.5 1147.3 View list
14 2110130015 Botha, C (Cathri Amari) 2 0.0 0 0 2 0.0 1362.2 -425.0 937.2 View list
15 1120136689 Kalimashe, T (Tshireletso) 2 0.0 0 0 2 0.0 1360.2 -425.0 935.2 View list
16 1110099324 Roos, J (Justin) 2 0.0 0 0 2 0.0 1436.0 -425.0 1011.0 View list
17 1110143714 Terblanche, J (Johann) 2 0.0 0 0 2 0.0 1408.2 -425.0 983.2 View list
18 2120152077 Botes, M (Mine) 1 1.0 1 0 0 100.0 1375.1 425.0 1800.1 View list
19 1120144954 Britz, M (Markus Wynand) 1 1.0 1 0 0 100.0 1255.1 425.0 1680.1 View list
20 1120145529 Brits, M (Marthinus Lodewyk Ruvan) 1 1.0 1 0 0 100.0 1255.1 425.0 1680.1 View list