PLAYER PAGE

Ontlametse Bokamoso Motsamai

1140161298
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1608.2
K-factor 28
Floor 1108.2
Highest 1608.2 (2026-03-01)
Min/Max +/- allowed 93
Rating Change
()
Games 9
Score 4.5
We 4.67
SWe -0.17
Temp +/- -4.7
Penalties 0
Weight perform 1586.6
Final +/- -4.7
New Rating
()
Rating 1603.5
K-factor 28
Floor 1108.2
Highest 1608.2 (2026-03-01)
Min/Max +/- allowed 92.7
Standard rating
Rating 1622.7
K-factor 28
Floor 1122.7
Highest 1622.7 (2026-03-01)
Min/Max +/- allowed 90.8
Rating Change
()
Games 9
Score 4.5
We 4.82
SWe -0.32
Temp +/- -8.9
Penalties 0
Weight perform 1586.6
Final +/- -8.9
New Rating
()
Rating 1613.8
K-factor 28
Floor 1122.7
Highest 1622.7 (2026-03-01)
Min/Max +/- allowed 90.8
Rapid rating
Rating 1362
K-factor 36
Floor 862
Highest 1362 (2025-11-01)
Min/Max +/- allowed 131.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1362
K-factor 36
Floor 862
Highest 1362 (2025-11-01)
Min/Max +/- allowed 131.6
Blitz rating
Rating 1200
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 1200
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 South African Junior Closed Chess Championship 2026 (U12 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1608.2 9 4.5 1588.2 -4.7 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 3rd Knight Riders Juniors Open Chess Tournament 2026 (D+E) Standard 2026-03-08 2026-03-08 Johannesburg Metro (GJM) 5 1594.1 5 4 1605.2 3.5 Details
2 West Rand Juniors 2026 (U14) Standard 2026-03-07 2026-03-07 West Rand (GWR) 5 1594.1 5 5 1808.8 30.8 Details
3 2026 AHS Chess Tournament (A) Standard 2026-02-28 2026-02-28 Tshwane (GTP) 5 1594.1 5 1 1440.7 -20.1 Details
4 MCA Welcome JHB 2026 (Expert) Standard 2026-02-07 2026-02-07 Johannesburg Metro (GJM) 5 1687.6 5 0 1397.4 -27.7 Details
5 2025 Mzansi Individual Championships (U12 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1494.7 6 5 1797.1 42.6 Details
6 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1494.7 6 4 1729.3 26.1 Details
7 Gauteng Inter-Region at Emerald Resort 2025 (U12 Championship) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1494.7 5 5 1835.5 38.5 Details
8 SACSSA Nationals 2025 (U11 Boys) Rapid 2025-10-18 2025-10-18 Ekurhuleni (GE) 6 1538 6 4.5 1461.3 -6.2 Details
9 2025 Gauteng Schools Provincial Individual Chess Championship (U11 Boys) Standard 2025-09-27 2025-09-27 Tshwane (GTP) 5 1538 5 4 1646.9 11.3 Details
10 Fourth Knight Riders Juniors Open Chess Tournament 2025 (B) Standard 2025-08-31 2025-08-31 Johannesburg Metro (GJM) 5 1450 5 4 1530.2 8.6 Details
11 G7 Regional Chess Tournament 2025 (U11) Rapid 2025-09-13 2025-09-13 Johannesburg Metro (GJM) 5 1450 4 4 1726.5 14.8 Details
12 JMC Closed 2025 (U12) Standard 2025-08-09 2025-08-10 Johannesburg Metro (GJM) 5 1449 5 3 1447.4 -0.9 Details
13 JMC - Trinity Randpark Ridge 2025 (U12) Standard 2025-07-26 2025-07-26 Johannesburg Metro (GJM) 5 1433.5 5 4 1661.4 21.6 Details
14 MCA Winter Chill Classic 2025 (Intermediate) Standard 2025-07-19 2025-07-19 Johannesburg Metro (GJM) 5 1433.5 5 2.5 1387.4 -5.1 Details
15 South African Open 2025 (U12 Open) Classical 2025-07-03 2025-07-05 Johannesburg Metro (GJM) 5 1433.5 5 2 1301.5 -14.6 Details
16 JMC Helpmekaar 2025 (C) Standard 2025-06-01 2025-06-01 Johannesburg Metro (GJM) 5 1438.2 5 3 1399.5 -3 Details
17 Knight Riders Juniors Open Chess Tournament 2025 (C) Standard 2025-05-25 2025-05-25 Johannesburg Metro (GJM) 5 1440 5 3 1342.2 -8.6 Details
18 Moja Chess Extravaganza 2025 (U12) Classical 2025-04-26 2025-04-28 Johannesburg Metro (GJM) 5 1440 5 3 1510.1 9.2 Details
19 2025 Silver Lakes Chess Club Open Chess Tournament (U12) Standard 2025-05-03 2025-05-03 Tshwane (GTP) 5 1440 5 3 1415.9 -1.5 Details
20 FIDE in The West 2025 (U12) Standard 2025-04-12 2025-04-12 West Rand (GWR) 5 1383.9 5 4 1438.2 4.8 Details
21 South African Junior Closed Chess Championships 2025 (U12 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1383.9 9 4.5 1525.6 28.8 Details
22 MCA Summer March 2025 (Intermediate) Standard 2025-03-08 2025-03-08 Johannesburg Metro (GJM) 5 1350.4 5 3 1401.7 4.3 Details
23 JMC Crawford Ruimsig 2025 (U12) Standard 2025-03-01 2025-03-01 Johannesburg Metro (GJM) 5 1350.4 5 4 1526.3 16.6 Details
24 2025 West Rand Open (Rooks) Standard 2025-02-08 2025-02-08 West Rand (GWR) 5 1347.2 5 3 1360.1 2 Details
25 Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Combined) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1364.6 6 2 1209.7 -21.8 Details
26 Gauteng Inter-Region at UJ 2024 (U12 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1364.6 5 3 1457.3 10.9 Details
27 CPH Boksburg Open 2024 (C) Standard 2024-10-26 2024-10-26 Ekurhuleni (GE) 5 1355.3 5 3 1356.4 -0.3 Details
28 Gauteng Top Schools 2024 (U11 Open) Standard 2024-10-04 2024-10-04 Ekurhuleni (GE) 5 1355.3 5 3 1409.1 6.1 Details
29 Knight Riders Spring Chess Tournament 2024 (D) Standard 2024-09-28 2024-09-28 Johannesburg Metro (GJM) 5 1384.8 5 3 1358.8 -1.8 Details
30 Mzansi Spring Open 2024 (Intermediate) Standard 2024-09-07 2024-09-07 Johannesburg Metro (GJM) 5 1384.8 5 2 1231.3 -14.3 Details
31 Gauteng Schools Individuals Finals 2024 (U11 Boys) Standard 2024-08-16 2024-08-16 Ekurhuleni (GE) 5 1384.8 5 3 1367.5 -2.3 Details
32 JMC Closed 2024 (C) Standard 2024-08-09 2024-08-11 Johannesburg Metro (GJM) 5 1391.1 4 1 1121.2 -23.8 Details
33 2024 West Rand Rappies Open (U12) Standard 2024-08-03 2024-08-03 West Rand (GWR) 5 1391.1 5 4 1589.6 19.9 Details
34 2024 Midstream College Open Chess Tournament (U12) Standard 2024-07-20 2024-07-20 Tshwane (GTP) 5 1412.6 5 3.5 1505.1 8.6 Details
35 JMC Trinityhouse Randpark Ridge 2024 (C) Standard 2024-07-13 2024-07-13 Johannesburg Metro (GJM) 5 1412.6 5 1.5 1179.1 -22.1 Details
36 2024 Elise Steenkamp Open Chess Tournament (Rooks) Standard 2024-06-15 2024-06-15 Tshwane (GTP) 5 1287.4 5 3 1366.8 9.4 Details
37 FIDE in the West 2024 (U12) Standard 2024-06-08 2024-06-08 West Rand (GWR) 5 1287.4 5 4 1674.9 37 Details
38 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D) Standard 2024-06-01 2024-06-01 Tshwane (GTP) 5 1287.4 5 2.5 1209.4 -6.8 Details
39 Chess Power House May Open 2024 (D) Standard 2024-05-25 2024-05-25 Johannesburg Metro (GJM) 5 1287.4 0 0 0 0 Details
40 2024 West Rand RHS Open (U12) Standard 2024-04-13 2024-04-13 West Rand (GWR) 5 1235.6 5 3 1431.5 19.8 Details
41 CPH St Andrew's Rapid 2024 (C) Rapid 2024-03-30 2024-03-30 Ekurhuleni (GE) 5 1247.2 5 4 1570.8 17.6 Details
42 1st Knights Open Tournament 2024 (C) Standard 2024-03-23 2024-03-23 Johannesburg Metro (GJM) 5 1247.2 4 1 1053.4 -15.1 Details
43 JNW Open - Classic - Crawford 2024 (C) Standard 2024-03-09 2024-03-09 Johannesburg Metro (GJM) 5 1247.2 5 2 1136.7 -11.5 Details
44 JMC Unika School Tournament 2024 (D) Standard 2024-03-02 2024-03-02 Johannesburg Metro (GJM) 5 1247.2 5 3 1281.6 2.7 Details
45 Chess Power House Festive Rapid 2023 (Grade 3-7) Rapid 2023-12-15 2023-12-15 Johannesburg Metro (GJM) 6 1249.9 6 2.5 1229.4 -1.4 Details
46 Mzansi Bryanston Rapid 2023 (Junior) Rapid 2023-10-07 2023-10-07 Johannesburg Metro (GJM) 5 1249.9 0 0 0 0 Details
47 2023 Gauteng Top Schools (U9 Mixed) Standard 2023-08-18 2023-08-18 West Rand (GWR) 5 1200 5 4 1490.9 27.7 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 29
Wins 14
Draws 1
Losses 14
White 12
Black 17
White wins 6
Black wins 8
Score 14.5
Percent 50
Dp 0
AOR 1570.8
Performance 1570.8
Game statistics (History)
Games 240
Wins 141
Draws 8
Losses 91
White 118
Black 122
White wins 70
Black wins 71
Score 145
Percent 60.4
Dp 88.5
AOR 1363.8
Performance 1452.3
Rankings (Main)
National
Overall 959
Gender 880
Age group 64
Gender/Age 53
Provincial
Overall 344
Gender 313
Age group 17
Gender/Age 15
Regional
Overall 134
Gender 120
Age group 11
Gender/Age 10
Rankings (Standard)
National
Overall 808
Gender 744
Age group 47
Gender/Age 39
Provincial
Overall 289
Gender 263
Age group 13
Gender/Age 11
Regional
Overall 107
Gender 95
Age group 8
Gender/Age 7
Rankings (Rapid)
National
Overall 1156
Gender 987
Age group 191
Gender/Age 151
Provincial
Overall 190
Gender 163
Age group 28
Gender/Age 21
Regional
Overall 94
Gender 85
Age group 11
Gender/Age 9
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 9
Score 4.5
Percent 50
Aor 1588.2
Dp 0
Prat 1588.2
Performance ()
Games 29
Score 14.5
Percent 50
Aor 1570.8
Dp 0
Prat 1570.8
Performance (12 months)
Games 106
Score 68.5
Percent 64.6
Aor 1430.2
Dp 124.3
Prat 1554.5
Performance (History)
Games 240
Score 145
Percent 60.4
Aor 1363.8
Dp 88.5
Prat 1452.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Maduna, A (Asanda) 3 2 1 Knight Riders Spring Chess Tournament 2024 (D) 3rd Knight Riders Juniors Open Chess Tournament 2026 (D+E) Details
Overall 2 Thorulsley, K (Kairaav) 2 0 2 2025 Gauteng Schools Provincial Individual Chess Championship (U11 Boys) MCA Welcome JHB 2026 (Expert) Details
Overall 3 Motau, N (Neelo) 2 1 1 Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Combined) Moja Chess Extravaganza 2025 (U12) Details
Overall 4 Brits, E (Etienne) 2 0 2 CPH St Andrew's Rapid 2024 (C) JMC - Trinity Randpark Ridge 2025 (U12) Details
Overall 5 Mlambo, M (Mbulelo Ntsako) 2 1 1 2024 West Rand Rappies Open (U12) Gauteng Inter-Region at Emerald Resort 2025 (U12 Championship) Details
Standard 1 Maduna, A (Asanda) 3 2 1 Knight Riders Spring Chess Tournament 2024 (D) 3rd Knight Riders Juniors Open Chess Tournament 2026 (D+E) Details
Standard 2 Boshoff, R (Reinhardt) 2 1 1 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D) 2026 AHS Chess Tournament (A) Details
Standard 3 Changara, A (Alvern Takura) 2 2 0 Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Combined) South African Junior Closed Chess Championships 2025 (U12 Open) Details
Standard 4 Arlow, J (Jaden) 2 1 1 FIDE in the West 2024 (U12) West Rand Juniors 2026 (U14) Details
Standard 5 Thorulsley, K (Kairaav) 2 0 2 2025 Gauteng Schools Provincial Individual Chess Championship (U11 Boys) MCA Welcome JHB 2026 (Expert) Details
Rapid 1 Gumede, M (Mthobisi) 2 1 1 G7 Regional Chess Tournament 2025 (U11) SACSSA Nationals 2025 (U11 Boys) Details