Player Page

Thomson-Selibowitz, R (Ryder)
Dob: 2011/04/14 (U14)
Gender: Male
Chess SA id: 1110134886
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (8 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 rating1409.6
Curent Weighted rating1317.4
Curent Weighted performance1379.4
Current official/published rating (highest between Raw, WR and WP)1409.6
Current floor (min rating allowed)923.7
Current highest rating achieved1423.7
Current K-factor32
Games played this month10
Score (S)6.5
Expected score (We)6.00
Difference (S-We)0.50
Current Raw change (no limits, including tournament time weight)13.3
Current min/max change allowed (with limits)±123.0
Current Raw change used (final)13.3
Projected new Raw rating1422.9
Projected new Weighed rating1329.9
Projected new Weighted performance1379.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1422.9
Projected effective change (new Official - current Official)+13.3
Projected new highest rating1423.7
Projected new floor923.7
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 rating1383.0
Curent Weighted rating1312.2
Curent Weighted performance1353.8
Current official/published rating (highest between Raw, WR and WP)1383.0
Current floor (min rating allowed)899.6
Current highest rating achieved1399.6
Current K-factor36
Games played this month10
Score (S)6.5
Expected score (We)5.77
Difference (S-We)0.73
Current Raw change (no limits, including tournament time weight)26.3
Current min/max change allowed (with limits)±127.8
Current Raw change used (final)26.3
Projected new Raw rating1409.3
Projected new Weighed rating1322.8
Projected new Weighted performance1353.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1409.3
Projected effective change (new Official - current Official)+26.3
Projected new highest rating1409.3
Projected new floor909.3
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 rating1255.4
Curent Weighted rating1205.2
Curent Weighted performance1190.2
Current official/published rating (highest between Raw, WR and WP)1255.4
Current floor (min rating allowed)755.4
Current highest rating achieved1255.4
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)±153.2
Current Raw change used (final)0.0
Projected new Raw rating1255.4
Projected new Weighed rating1210.8
Projected new Weighted performance1190.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1255.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1255.4
Projected new floor755.4
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 rating1145.6
Curent Weighted rating1155.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1155.6
Current floor (min rating allowed)755.4
Current highest rating achieved1145.6
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)±179.2
Current Raw change used (final)0.0
Projected new Raw rating1145.6
Projected new Weighed rating1153.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1153.8
Projected effective change (new Official - current Official)-1.8
Projected new highest rating1145.6
Projected new floor755.4
Projected new K-facor40
Tournaments
Tournament: JMC Crawford International Sandton 2024 (C)
Start: 2024/05/11  End: 2024/05/11  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.5
Main rating: 1409.6  Rating gain/loss: 9.3
Type rating: 1383.0  Rating gain/loss: 17.6
Analysis
Tournament: JMC Helpmekaar Kollege Tournament 2024 (C)
Start: 2024/05/04  End: 2024/05/04  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.0
Main rating: 1409.6  Rating gain/loss: 4.0
Type rating: 1383.0  Rating gain/loss: 8.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
8 JMC Crawford International Sandton 2024 (C) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1409.6 1383.0 Analysis
7 JMC Helpmekaar Kollege Tournament 2024 (C) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1409.6 1383.0 Analysis
6 First Knight Riders Junior Open 2024 (A+B) 2024/04/20 2024/04/20 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1423.7 1399.6 Analysis
5 JNW Open - Classic - Crawford 2024 (B) 2024/03/09 2024/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1407.8 1362.3 Analysis
4 JMC Unika School Tournament 2024 (D) 2024/03/02 2024/03/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 5.0 1407.8 1362.3 Analysis
3 Gear Up Mzansi Rapid 2024 (Junior) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 5 4.5 1371.2 1174.0 Analysis
2 JMC Kick Off Tournament 2024 (D) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1347.7 1328.1 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U14C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1347.7 1328.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
20 JMC Crawford International Sandton 2024 (C) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1409.6 1383.0 Analysis
19 JMC Helpmekaar Kollege Tournament 2024 (C) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1409.6 1383.0 Analysis
18 First Knight Riders Junior Open 2024 (A+B) 2024/04/20 2024/04/20 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1423.7 1399.6 Analysis
17 JNW Open - Classic - Crawford 2024 (B) 2024/03/09 2024/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1407.8 1362.3 Analysis
16 JMC Unika School Tournament 2024 (D) 2024/03/02 2024/03/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 5.0 1407.8 1362.3 Analysis
15 Gear Up Mzansi Rapid 2024 (Junior) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 5 4.5 1371.2 1174.0 Analysis
14 JMC Kick Off Tournament 2024 (D) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1347.7 1328.1 Analysis
13 2024 Gauteng Inter-Region Chess Championship (U14C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1347.7 1328.1 Analysis
12 Mzansi Summer Blitz 2023 2023/12/09 2023/12/09 Johannesburg Metro (GJM) Rapid 10 0.29 7 7 3.0 1340.2 1200.3 Analysis
11 Mzansi Spring Rapid 2023 2023/09/02 2023/09/02 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 2.5 1340.3 1224.4 Analysis
10 Chess Power House 2023 (C) 2023/08/19 2023/08/19 Johannesburg Metro (GJM) Standard 90 0.94 5 4 3.0 1278.7 1296.4 Analysis
9 JMC Closed Aug 2023 (U14) 2023/08/04 2023/08/06 Johannesburg Metro (GJM) Standard 90 0.94 6 5 1.0 1278.7 1296.4 Analysis
8 JMC Trinity Little Falls 2023 (D) 2023/07/02 2023/07/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1259.9 1271.0 Analysis
7 JNW Open - Trinityhouse Little Falls 2023 (C) 2023/06/24 2023/06/24 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1258.7 1274.2 Analysis
6 Gauteng Open Arnold Classic 2023 (D) 2023/05/20 2023/05/20 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1236.6 1251.2 Analysis
5 Mzansi Open Blitz 2023 2023/04/29 2023/04/29 Johannesburg Metro (GJM) Blitz 5 0.18 9 9 2.5 1240.4 1200.0 Analysis
4 JMC 1 St Peters 2023 (D) 2023/03/18 2023/03/18 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1202.8 1200.0 Analysis
3 JNW Open - Crawford 2023 (C) 2023/03/04 2023/03/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1202.8 1200.0 Analysis
2 Mzansi Rapid 2023 (Development) 2023/02/04 2023/02/04 Johannesburg Metro (GJM) Rapid 25 0.54 6 6 5.0 1156.6 1122.8 Analysis
1 JMC Helpmekaar 2021 (U12) 2021/09/06 2021/09/06 Johannesburg Metro (GJM) Rapid 30 0.60 5 4 0.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 40 25 4 11 27.0 67.5 148.8 1304.3 1453.1
White 22 11 3 8 12.5 56.8 58.0 1313.9 1371.8
Black 18 14 1 3 14.5 80.6 259.7 1292.6 1552.3
Standard All 35 21 3 11 22.5 64.3 121.4 1307.2 1428.7
White 20 10 2 8 11.0 55.0 42.5 1308.0 1350.5
Black 15 11 1 3 11.5 76.7 226.7 1306.2 1532.8
Rapid All 5 4 1 0 4.5 90.0 340.0 1283.8 1623.8
White 2 1 1 0 1.5 75.0 212.5 1372.1 1584.6
Black 3 3 0 0 3.0 100.0 425.0 1224.9 1649.9
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 107 54 11 42 59.5 55.6 47.7 1314.3 1361.9
White 56 27 5 24 29.5 52.7 22.8 1318.1 1340.9
Black 51 27 6 18 30.0 58.8 75.0 1310.1 1385.1
Standard All 69 38 8 23 42.0 60.9 92.4 1286.2 1378.6
White 38 21 3 14 22.5 59.2 78.3 1296.3 1374.6
Black 31 17 5 9 19.5 62.9 109.7 1273.9 1383.5
Rapid All 29 14 2 13 15.0 51.7 14.7 1363.4 1378.0
White 14 5 2 7 6.0 42.9 -60.7 1366.2 1305.5
Black 15 9 0 6 9.0 60.0 85.0 1360.7 1445.7
Blitz All 9 2 1 6 2.5 27.8 -188.9 1371.2 1182.3
White 4 1 0 3 1.0 25.0 -212.5 1356.7 1144.2
Black 5 1 1 3 1.5 30.0 -170.0 1382.8 1212.8
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1090130895 Arokiam, E (Ethan) 2 2.0 2 0 0 100.0 1374.9 425.0 1799.9 View list
2 2140145625 Shi, P (Peiqi) 2 2.0 2 0 0 100.0 1282.2 425.0 1707.2 View list
3 1120132213 Williams, J (Joshua) 2 1.5 1 1 0 75.0 1378.7 212.5 1591.2 View list
4 210091697 Botha, A (Andrea) 2 1.0 1 0 1 50.0 1344.2 0.0 1344.2 View list
5 1090146564 Reddy, S (Sushen) 2 1.0 1 0 1 50.0 1208.3 0.0 1208.3 View list
6 211091693 Steyn, A (Anneke) 2 1.0 1 0 1 50.0 1239.3 0.0 1239.3 View list
7 1130148664 Thakur, Y (Yuv) 2 1.0 0 2 0 50.0 1315.6 0.0 1315.6 View list
8 110091691 Barker, R (Ryan) 2 0.0 0 0 2 0.0 1259.6 -425.0 834.6 View list
9 1120152458 Chadalavada, B (Bhaarghavarama) 1 1.0 1 0 0 100.0 1409.6 425.0 1834.6 View list
10 2110154018 Buthelezi, O (Owethu) 1 1.0 1 0 0 100.0 1347.7 425.0 1772.7 View list
11 208071873 Chinoruma, T (Tawana) 1 1.0 1 0 0 100.0 1340.2 425.0 1765.2 View list
12 111092267 D`Alton, E (Ezra) 1 1.0 1 0 0 100.0 1409.6 425.0 1834.6 View list
13 1120113412 Eapen, E (Ethan) 1 1.0 1 0 0 100.0 1409.6 425.0 1834.6 View list
14 1130149118 Duggan, O (Oliver) 1 1.0 1 0 0 100.0 1156.6 425.0 1581.6 View list
15 1120151790 Bijker, X (Xander) 1 1.0 1 0 0 100.0 1347.7 425.0 1772.7 View list
16 1150137310 Albetti, A (Adriano) 1 1.0 1 0 0 100.0 1156.6 425.0 1581.6 View list
17 1120152460 Elangbam, K (Kernick) 1 1.0 1 0 0 100.0 1240.4 425.0 1665.4 View list
18 1140142002 Franklin, G (Gabriel) 1 1.0 1 0 0 100.0 1278.7 425.0 1703.7 View list
19 1110149384 Hale, D (Damian) 1 1.0 1 0 0 100.0 1347.7 425.0 1772.7 View list
20 1070157319 Jafta, V (Vuyo Molvin) 1 1.0 1 0 0 100.0 1258.7 425.0 1683.7 View list