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: 2024/12/08 (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
Current Raw rating1448.1
Current Weighted rating1392.5
Current Weighted performance1382.2
Current official/published rating (highest between Raw, WR and WP)1448.1
Current highest rating achieved1448.1
Current floor (min rating allowed)948.1
Current K-factor32
Games played this month5
Score (S)4.0
Expected score (We)3.02
Difference (S-We)0.92
Current Raw change (no limits, including tournament time weight)29.5
Current min/max change allowed (with limits)±116.4
Current Raw change used (final)29.5
Projected new Raw rating1477.6
Projected new Weighed rating1284.7
Projected new Weighted performance1467.4
Projected new final Raw rating (if new WP > new Raw)1477.6
Projected new highest rating1477.6
Projected new floor977.6
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1477.6
Projected effective change (new Official - current Official)+29.5
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 rating1449.0
Current Weighted rating1384.9
Current Weighted performance1412.3
Current official/published rating (highest between Raw, WR and WP)1449.0
Current highest rating achieved1449.0
Current floor (min rating allowed)949.0
Current K-factor32
Games played this month5
Score (S)4.0
Expected score (We)3.03
Difference (S-We)0.97
Current Raw change (no limits, including tournament time weight)31.0
Current min/max change allowed (with limits)±116.3
Current Raw change used (final)31.0
Projected new Raw rating1480.0
Projected new Weighed rating1277.4
Projected new Weighted performance1486.7
Projected new final Raw rating (if new WP > new Raw)1486.7
Projected new highest rating1486.7
Projected new floor986.7
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1486.7
Projected effective change (new Official - current Official)+37.7
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 rating1263.0
Current Weighted rating1233.0
Current Weighted performance1369.4
Current official/published rating (highest between Raw, WR and WP)1369.4
Current highest rating achieved1263.0
Current floor (min rating allowed)763.0
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)±151.6
Current Raw change used (final)0.0
Projected new Raw rating1263.0
Projected new Weighed rating1135.2
Projected new Weighted performance1369.4
Projected new final Raw rating (if new WP > new Raw)1369.4
Projected new highest rating1369.4
Projected new floor869.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1369.4
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 rating1145.6
Current Weighted rating1146.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1146.7
Current highest rating achieved1145.6
Current floor (min rating allowed)645.6
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 rating1054.5
Projected new Weighted performance314.3
Projected new final Raw rating (if new WP > new Raw)1145.6
Projected new highest rating1145.6
Projected new floor645.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1145.6
Projected effective change (new Official - current Official)-1.1
Tournaments
Tournament: Gauteng Inter-Region at UJ 2024 (U14 Open)
Start: 2024/12/07  End: 2024/12/08  Host: GJM  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 5
Games: 5  Score: 4.0
Main rating: 1448.1  Rating gain/loss: 29.5
Type rating: 1449.0  Rating gain/loss: 31.0
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
16 Gauteng Inter-Region at UJ 2024 (U14 Open) 2024/12/07 2024/12/08 Johannesburg Metro (GJM) Standard 90 0.94 5 5 4.0 1448.1 1449.0 Analysis
15 Mzansi Summer Rapid 2024 (B) 2024/10/26 2024/10/26 Johannesburg Metro (GJM) Rapid 25 0.54 6 6 4.0 1443.1 1239.2 Analysis
14 Mzansi Spring Open 2024 (Intermediate) 2024/09/07 2024/09/07 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1437.3 1443.6 Analysis
13 JMC Closed 2024 (C) 2024/08/09 2024/08/11 Johannesburg Metro (GJM) Standard 90 0.94 5 5 3.5 1419.3 1422.1 Analysis
12 JNW Rapid - Helpmekaar Kollege 2024 2024/07/28 2024/07/28 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 3.0 1424.2 1255.4 Analysis
11 JMC Trinityhouse Randpark Ridge 2024 (C) 2024/07/13 2024/07/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1424.2 1412.8 Analysis
10 JMC NG Weltevreden Church 2024 2024/06/29 2024/06/29 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 4.0 1424.2 1255.4 Analysis
9 JMC Trinityhouse Little Falls 2024 (C) 2024/06/02 2024/06/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1422.9 1409.3 Analysis
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
28 Gauteng Inter-Region at UJ 2024 (U14 Open) 2024/12/07 2024/12/08 Johannesburg Metro (GJM) Standard 90 0.94 5 5 4.0 1448.1 1449.0 Analysis
27 Mzansi Summer Rapid 2024 (B) 2024/10/26 2024/10/26 Johannesburg Metro (GJM) Rapid 25 0.54 6 6 4.0 1443.1 1239.2 Analysis
26 Mzansi Spring Open 2024 (Intermediate) 2024/09/07 2024/09/07 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1437.3 1443.6 Analysis
25 JMC Closed 2024 (C) 2024/08/09 2024/08/11 Johannesburg Metro (GJM) Standard 90 0.94 5 5 3.5 1419.3 1422.1 Analysis
24 JNW Rapid - Helpmekaar Kollege 2024 2024/07/28 2024/07/28 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 3.0 1424.2 1255.4 Analysis
23 JMC Trinityhouse Randpark Ridge 2024 (C) 2024/07/13 2024/07/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1424.2 1412.8 Analysis
22 JMC NG Weltevreden Church 2024 2024/06/29 2024/06/29 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 4.0 1424.2 1255.4 Analysis
21 JMC Trinityhouse Little Falls 2024 (C) 2024/06/02 2024/06/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1422.9 1409.3 Analysis
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
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 85 47 16 22 55.0 64.7 125.0 1331.4 1456.4
White 45 22 9 14 26.5 58.9 75.6 1323.5 1399.1
Black 40 25 7 8 28.5 71.3 180.6 1340.3 1520.9
Standard All 60 35 9 16 39.5 65.8 134.6 1324.0 1458.6
White 33 16 6 11 19.0 57.6 64.4 1320.8 1385.2
Black 27 19 3 5 20.5 75.9 220.4 1327.9 1548.3
Rapid All 25 12 7 6 15.5 62.0 102.0 1349.1 1451.1
White 12 6 3 3 7.5 62.5 106.3 1330.9 1437.1
Black 13 6 4 3 8.0 61.5 98.1 1365.9 1464.0
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 152 76 23 53 87.5 57.6 64.3 1326.5 1390.8
White 79 38 11 30 43.5 55.1 43.0 1322.4 1365.4
Black 73 38 12 23 44.0 60.3 87.3 1330.9 1418.3
Standard All 94 52 14 28 59.0 62.8 108.5 1302.5 1411.0
White 51 27 7 17 30.5 59.8 83.3 1307.6 1390.9
Black 43 25 7 11 28.5 66.3 138.4 1296.5 1434.9
Rapid All 49 22 8 19 26.0 53.1 26.0 1364.2 1390.2
White 24 10 4 10 12.0 50.0 0.0 1348.1 1348.1
Black 25 12 4 9 14.0 56.0 51.0 1379.7 1430.7
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 2100145853 Ngwangwa, N (Nonhlanhla) 3 3.0 3 0 0 100.0 1426.9 425.0 1851.9 View list
2 1090130895 Arokiam, E (Ethan) 3 2.0 2 0 1 66.7 1390.9 141.7 1532.6 View list
3 1130148664 Thakur, Y (Yuv) 3 2.0 1 2 0 66.7 1351.8 141.7 1493.4 View list
4 1120132213 Williams, J (Joshua) 3 2.0 1 2 0 66.7 1393.8 141.7 1535.5 View list
5 211092268 Mkhasibe, NZ (Nobuhle) 2 2.0 2 0 0 100.0 1421.5 425.0 1846.5 View list
6 1110110087 Moletsane, O (Oabile) 2 2.0 2 0 0 100.0 1397.7 425.0 1822.7 View list
7 2140145625 Shi, P (Peiqi) 2 2.0 2 0 0 100.0 1282.2 425.0 1707.2 View list
8 1100111138 Akker, D (Dylan) 2 1.0 1 0 1 50.0 1318.7 0.0 1318.7 View list
9 210091697 Botha, A (Andrea) 2 1.0 1 0 1 50.0 1344.2 0.0 1344.2 View list
10 1120136697 Lekwape, R (Retshidisitswe) 2 1.0 1 0 1 50.0 1436.2 0.0 1436.2 View list
11 2110141975 Mlilo, S (Sibongisiwe) 2 1.0 1 0 1 50.0 1395.4 0.0 1395.4 View list
12 1110145788 Rademeyer, F (Frederick Paul) 2 1.0 1 0 1 50.0 1313.5 0.0 1313.5 View list
13 1090146564 Reddy, S (Sushen) 2 1.0 1 0 1 50.0 1208.3 0.0 1208.3 View list
14 211091693 Steyn, A (Anneke) 2 1.0 1 0 1 50.0 1239.3 0.0 1239.3 View list
15 1110133758 Bloem, J (James) 2 1.0 0 2 0 50.0 1440.2 0.0 1440.2 View list
16 110091691 Barker, R (Ryan) 2 0.0 0 0 2 0.0 1259.6 -425.0 834.6 View list
17 2110154018 Buthelezi, O (Owethu) 1 1.0 1 0 0 100.0 1347.7 425.0 1772.7 View list
18 208071873 Chinoruma, T (Tawana) 1 1.0 1 0 0 100.0 1340.2 425.0 1765.2 View list
19 1120152458 Chadalavada, B (Bhaarghavarama) 1 1.0 1 0 0 100.0 1409.6 425.0 1834.6 View list
20 1120151790 Bijker, X (Xander) 1 1.0 1 0 0 100.0 1347.7 425.0 1772.7 View list