PLAYER PAGE

Ryder Thomson-Selibowitz

1110134886
Tshwane (GTP)
Personal
Main rating
Rating 1445.1
K-factor 32
Floor 977.8
Highest 1477.8 (2025-08-01)
Min/Max +/- allowed 112
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1426.4
Final +/- 0
New Rating
()
Rating 1445.1
K-factor 32
Floor 977.8
Highest 1477.8 (2025-08-01)
Min/Max +/- allowed 111.6
Standard rating
Rating 1454.8
K-factor 32
Floor 980
Highest 1480 (2025-01-01)
Min/Max +/- allowed 111.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1448.8
Final +/- 0
New Rating
()
Rating 1454.8
K-factor 32
Floor 980
Highest 1480 (2025-01-01)
Min/Max +/- allowed 111.3
Rapid rating
Rating 1273.1
K-factor 36
Floor 773.1
Highest 1273.1 (2025-11-01)
Min/Max +/- allowed 149.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1238.9
Final +/- 0
New Rating
()
Rating 1273.1
K-factor 36
Floor 773.1
Highest 1273.1 (2025-11-01)
Min/Max +/- allowed 149.4
Blitz rating
Rating 1145.8
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1145.8
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 AHS Chess Tournament (B) Standard 2026-02-28 2026-02-28 Tshwane (GTP) 5 1445.1 5 2 1496 8.8 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 Constantiapark Open Chess Tournament (C) Standard 2026-02-14 2026-02-14 Tshwane (GTP) 5 1442.8 5 3 1483.1 0 Details
2 2026 Tshwane Chess Registration Tournament (C2) Standard 2026-01-31 2026-01-31 Tshwane (GTP) 5 1442.8 5 4 1621.1 0 Details
3 Pretoria Boys High Annual Closed Chess Championship 2025 Rapid 2025-10-18 2025-10-18 Tshwane (GTP) 5 1449.7 5 3 1353.3 0 Details
4 2025 Gauteng Top Schools Teams (U19) Standard 2025-08-30 2025-08-30 Tshwane (GTP) 5 1449.7 5 2.5 1309.4 0 Details
5 2025 Tshwane South School District CLOSED League Championship (U19A) Standard 2025-08-16 2025-08-16 Tshwane (GTP) 5 1477.8 5 4 1485.3 0 Details
6 JMC Closed 2025 (B) Standard 2025-08-09 2025-08-10 Johannesburg Metro (GJM) 5 1477.8 2 0 1018.5 0 Details
7 South African Open 2025 (U16 Open) Classical 2025-07-03 2025-07-05 Johannesburg Metro (GJM) 5 1470.5 5 3 1501.5 0 Details
8 CPH May 2025 (B) Standard 2025-05-03 2025-05-03 Johannesburg Metro (GJM) 5 1463.1 5 3.5 1516.5 0 Details
9 AHS Open Chess Tournament 2025 (C) Standard 2025-03-01 2025-03-01 Tshwane (GTP) 5 1446.3 5 3.5 1560.6 0 Details
10 JMC Kick Off 2025 (B) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1477.6 4 1.5 1225.2 0 Details
11 Gauteng Inter-Region at UJ 2024 (U14 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1448.1 5 4 1618.6 0 Details
12 Mzansi Summer Rapid 2024 (B) Rapid 2024-10-26 2024-10-26 Johannesburg Metro (GJM) 6 1443.1 6 4 1482 0 Details
13 Mzansi Spring Open 2024 (Intermediate) Standard 2024-09-07 2024-09-07 Johannesburg Metro (GJM) 5 1437.3 5 3.5 1482.2 0 Details
14 JMC Closed 2024 (C) Standard 2024-08-09 2024-08-11 Johannesburg Metro (GJM) 5 1419.3 5 3.5 1527.5 0 Details
15 JNW Rapid - Helpmekaar Kollege 2024 Rapid 2024-07-28 2024-07-28 Johannesburg Metro (GJM) 7 1424.2 7 3 1266.4 0 Details
16 JMC Trinityhouse Randpark Ridge 2024 (C) Standard 2024-07-13 2024-07-13 Johannesburg Metro (GJM) 5 1424.2 5 3 1450.8 0 Details
17 JMC NG Weltevreden Church 2024 Rapid 2024-06-29 2024-06-29 Johannesburg Metro (GJM) 7 1424.2 7 4 1486 0 Details
18 JMC Trinityhouse Little Falls 2024 (C) Standard 2024-06-02 2024-06-02 Johannesburg Metro (GJM) 5 1422.9 5 3 1423.5 0 Details
19 JMC Crawford International Sandton 2024 (C) Standard 2024-05-11 2024-05-11 Johannesburg Metro (GJM) 5 1409.6 5 3.5 1473.5 0 Details
20 JMC Helpmekaar Kollege Tournament 2024 (C) Standard 2024-05-04 2024-05-04 Johannesburg Metro (GJM) 5 1409.6 5 3 1442 0 Details
21 First Knight Riders Junior Open 2024 (A+B) Standard 2024-04-20 2024-04-20 Johannesburg Metro (GJM) 5 1423.7 5 2 1340.4 0 Details
22 JNW Open - Classic - Crawford 2024 (B) Standard 2024-03-09 2024-03-09 Johannesburg Metro (GJM) 5 1407.8 5 2 1237.1 0 Details
23 JMC Unika School Tournament 2024 (D) Standard 2024-03-02 2024-03-02 Johannesburg Metro (GJM) 5 1407.8 5 5 1678.2 0 Details
24 Gear Up Mzansi Rapid 2024 (Junior) Rapid 2024-02-17 2024-02-17 Johannesburg Metro (GJM) 5 1371.2 5 4.5 1623.8 0 Details
25 2024 Gauteng Inter-Region Chess Championship (U14C) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1347.7 5 4 1436.3 0 Details
26 JMC Kick Off Tournament 2024 (D) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1347.7 5 3 1393.2 0 Details
27 Mzansi Summer Blitz 2023 Blitz 2023-12-09 2023-12-09 Johannesburg Metro (GJM) 7 1340.2 7 3 1473.7 0 Details
28 Mzansi Spring Rapid 2023 Rapid 2023-09-02 2023-09-02 Johannesburg Metro (GJM) 7 1340.3 7 2.5 1357.9 0 Details
29 JMC Closed Aug 2023 (U14) Standard 2023-08-04 2023-08-06 Johannesburg Metro (GJM) 6 1278.7 5 1 1156.2 0 Details
30 Chess Power House 2023 (C) Standard 2023-08-19 2023-08-19 Johannesburg Metro (GJM) 5 1278.7 4 3 1543.3 0 Details
31 JMC Trinity Little Falls 2023 (D) Standard 2023-07-02 2023-07-02 Johannesburg Metro (GJM) 5 1259.9 5 3.5 1374.2 0 Details
32 JNW Open - Trinityhouse Little Falls 2023 (C) Standard 2023-06-24 2023-06-24 Johannesburg Metro (GJM) 5 1258.7 5 2.5 1272.4 0 Details
33 Gauteng Open Arnold Classic 2023 (D) Standard 2023-05-20 2023-05-20 Tshwane (GTP) 5 1236.6 5 3.5 1366.5 0 Details
34 Mzansi Open Blitz 2023 Blitz 2023-04-29 2023-04-29 Johannesburg Metro (GJM) 9 1240.4 9 2.5 1182.3 0 Details
35 JNW Open - Crawford 2023 (C) Standard 2023-03-04 2023-03-04 Johannesburg Metro (GJM) 5 1202.8 5 3 1318.3 0 Details
36 JMC 1 St Peters 2023 (D) Standard 2023-03-18 2023-03-18 Johannesburg Metro (GJM) 5 1202.8 5 3 1301.7 0 Details
37 Mzansi Rapid 2023 (Development) Rapid 2023-02-04 2023-02-04 Johannesburg Metro (GJM) 6 1156.6 6 5 1459.5 0 Details
38 JMC Helpmekaar 2021 (U12) Rapid 2021-09-06 2021-09-06 Johannesburg Metro (GJM) 5 1200 4 0 816.4 0 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 10
Wins 7
Draws 0
Losses 3
White 6
Black 4
White wins 5
Black wins 2
Score 7
Percent 70
Dp 170
AOR 1382.1
Performance 1552.1
Game statistics (History)
Games 198
Wins 100
Draws 31
Losses 67
White 104
Black 94
White wins 53
Black wins 47
Score 115.5
Percent 58.3
Dp 70.8
AOR 1330.6
Performance 1401.5
Rankings (Main)
National
Overall 2493
Gender 2151
Age group 318
Gender/Age 254
Provincial
Overall 857
Gender 733
Age group 108
Gender/Age 83
Regional
Overall 317
Gender 263
Age group 42
Gender/Age 34
Rankings (Standard)
National
Overall 2140
Gender 1852
Age group 261
Gender/Age 208
Provincial
Overall 764
Gender 654
Age group 93
Gender/Age 70
Regional
Overall 287
Gender 239
Age group 35
Gender/Age 28
Rankings (Rapid)
National
Overall 2459
Gender 1995
Age group 527
Gender/Age 398
Provincial
Overall 454
Gender 370
Age group 85
Gender/Age 54
Regional
Overall 42
Gender 36
Age group 7
Gender/Age 7
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 10
Score 7
Percent 70
Aor 1382.1
Dp 170
Prat 1552.1
Performance (12 months)
Games 37
Score 23
Percent 62.2
Aor 1339.5
Dp 103.4
Prat 1442.9
Performance (History)
Games 198
Score 115.5
Percent 58.3
Aor 1330.6
Dp 70.8
Prat 1401.5
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Arokiam, E (Ethan) 3 1 2 Mzansi Spring Rapid 2023 JMC Trinityhouse Little Falls 2024 (C) Details
Overall 2 Williams, J (Joshua) 3 1 2 JMC Kick Off Tournament 2024 (D) JNW Rapid - Helpmekaar Kollege 2024 Details
Overall 3 Thakur, Y (Yuv) 3 2 1 JMC Trinity Little Falls 2023 (D) JMC Trinityhouse Randpark Ridge 2024 (C) Details
Overall 4 Ngwangwa, N (Nonhlanhla) 3 0 3 JMC Trinityhouse Randpark Ridge 2024 (C) Mzansi Spring Open 2024 (Intermediate) Details
Overall 5 Shi, P (Peiqi) 2 0 2 Mzansi Rapid 2023 (Development) JNW Open - Classic - Crawford 2024 (B) Details
Standard 1 Ngwangwa, N (Nonhlanhla) 3 0 3 JMC Trinityhouse Randpark Ridge 2024 (C) Mzansi Spring Open 2024 (Intermediate) Details
Standard 2 Arokiam, E (Ethan) 2 1 1 JMC Helpmekaar Kollege Tournament 2024 (C) JMC Trinityhouse Little Falls 2024 (C) Details
Standard 3 Rademeyer, F (Frederick Paul) 2 1 1 JNW Open - Crawford 2023 (C) JMC Trinityhouse Randpark Ridge 2024 (C) Details
Standard 4 Williams, J (Joshua) 2 1 1 JMC Kick Off Tournament 2024 (D) JMC Helpmekaar Kollege Tournament 2024 (C) Details
Standard 5 Thakur, Y (Yuv) 2 1 1 JMC Trinity Little Falls 2023 (D) JMC Trinityhouse Randpark Ridge 2024 (C) Details
Rapid 1 Moletsane, O (Oabile) 2 2 0 Gear Up Mzansi Rapid 2024 (Junior) JNW Rapid - Helpmekaar Kollege 2024 Details