PLAYER PAGE

Ontlametse Bokamoso Motsamai

1140161298
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1593
K-factor 28
Floor 1170.6
Highest 1670.6 (2026-06-01)
Min/Max +/- allowed 85
Rating Change
()
Games 5
Score 1
We 3.13
SWe -1.77
Temp +/- -49.5
Penalties 0
Weight perform 1345.5
Final +/- -49.5
New Rating
()
Rating 1543.5
K-factor 28
Floor 1170.6
Highest 1670.6 (2026-06-01)
Min/Max +/- allowed 84.8
Standard rating
Rating 1585.8
K-factor 28
Floor 1170.6
Highest 1670.6 (2026-06-01)
Min/Max +/- allowed 84.8
Rating Change
()
Games 5
Score 1
We 3.1
SWe -2.1
Temp +/- -58.7
Penalties 0
Weight perform 1345.5
Final +/- -58.7
New Rating
()
Rating 1527.1
K-factor 28
Floor 1170.6
Highest 1670.6 (2026-06-01)
Min/Max +/- allowed 84.8
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 4th Khelo India - LCA Chess Tournament 2026 (D) Standard 2026-07-12 2026-07-12 Johannesburg Metro (GJM) 5 1593 5 1 1156.3 -49.5 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 West Rand Open 2.0 (Open) Standard 2026-06-06 2026-06-06 West Rand (GWR) 5 1670.6 5 1 1203.7 -64.3 Details
2 JMC Helpmekaar 2026 (A) Standard 2026-05-31 2026-05-31 Johannesburg Metro (GJM) 5 1670.6 4 1 1549.4 -13.4 Details
3 Fifth Knight Riders Juniors Open Chess Tournament 2026 (C) Standard 2026-05-02 2026-05-02 Johannesburg Metro (GJM) 5 1632.9 5 5 1766.5 20.6 Details
4 3rd KHELO INDIA - LCA Chess Tournament 2026 (C) Standard 2026-04-19 2026-04-19 Johannesburg Metro (GJM) 5 1608.2 5 4 1697.8 11.8 Details
5 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
6 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
7 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
8 2026 AHS Chess Tournament (A) Standard 2026-02-28 2026-02-28 Tshwane (GTP) 5 1594.1 5 1 1440.7 -20.1 Details
9 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
10 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
11 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
12 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
13 SACSSA Nationals 2025 (U11 Boys) Rapid 2025-10-18 2025-10-18 Ekurhuleni (GE) 6 1538 6 4.5 1461.3 -6.2 Details
14 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
15 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
16 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
17 JMC Closed 2025 (U12) Standard 2025-08-09 2025-08-10 Johannesburg Metro (GJM) 5 1449 5 3 1447.4 -0.9 Details
18 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
19 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
20 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
21 JMC Helpmekaar 2025 (C) Standard 2025-06-01 2025-06-01 Johannesburg Metro (GJM) 5 1438.2 5 3 1399.5 -3 Details
22 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
23 Moja Chess Extravaganza 2025 (U12) Classical 2025-04-26 2025-04-28 Johannesburg Metro (GJM) 5 1440 5 3 1510.1 9.2 Details
24 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
25 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
26 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
27 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
28 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
29 2025 West Rand Open (Rooks) Standard 2025-02-08 2025-02-08 West Rand (GWR) 5 1347.2 5 3 1360.1 2 Details
30 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
31 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
32 CPH Boksburg Open 2024 (C) Standard 2024-10-26 2024-10-26 Ekurhuleni (GE) 5 1355.3 5 3 1356.4 -0.3 Details
33 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
34 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
35 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
36 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
37 JMC Closed 2024 (C) Standard 2024-08-09 2024-08-11 Johannesburg Metro (GJM) 5 1391.1 4 1 1121.2 -23.8 Details
38 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
39 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
40 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
41 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
42 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
43 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
44 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
45 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
46 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
47 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
48 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
49 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
50 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
Game statistics ( )
Games 5
Wins 1
Draws 0
Losses 4
White 3
Black 2
White wins 1
Black wins 0
Score 1
Percent 20
Dp -255
AOR 1411.3
Performance 1156.3
Game statistics ()
Games 53
Wins 26
Draws 1
Losses 26
White 25
Black 28
White wins 12
Black wins 14
Score 26.5
Percent 50
Dp 0
AOR 1525.9
Performance 1525.9
Game statistics (History)
Games 264
Wins 153
Draws 8
Losses 103
White 131
Black 133
White wins 76
Black wins 77
Score 157
Percent 59.5
Dp 80.5
AOR 1373.6
Performance 1454.1
Rankings (Main)
National
Overall 1126
Gender 1032
Age group 80
Gender/Age 64
Provincial
Overall 402
Gender 362
Age group 28
Gender/Age 22
Regional
Overall 157
Gender 136
Age group 13
Gender/Age 10
Rankings (Standard)
National
Overall 1083
Gender 985
Age group 85
Gender/Age 67
Provincial
Overall 400
Gender 360
Age group 29
Gender/Age 22
Regional
Overall 151
Gender 132
Age group 14
Gender/Age 11
Rankings (Rapid)
National
Overall 1249
Gender 1066
Age group 224
Gender/Age 172
Provincial
Overall 240
Gender 204
Age group 40
Gender/Age 28
Regional
Overall 105
Gender 94
Age group 14
Gender/Age 11
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 5
Score 1
Percent 20
Aor 1411.3
Dp -255
Prat 1156.3
Performance ()
Games 53
Score 26.5
Percent 50
Aor 1525.9
Dp 0
Prat 1525.9
Performance (12 months)
Games 95
Score 60
Percent 63.2
Aor 1467.2
Dp 111.8
Prat 1579
Performance (History)
Games 264
Score 157
Percent 59.5
Aor 1373.6
Dp 80.5
Prat 1454.1
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Maduna, A (Asanda) 4 3 1 Knight Riders Spring Chess Tournament 2024 (D) Fifth Knight Riders Juniors Open Chess Tournament 2026 (C) Details
Overall 2 Nkhoma, D (Daniel) 2 1 1 2024 West Rand Rappies Open (U12) Gauteng Schools Individuals Finals 2024 (U11 Boys) Details
Overall 3 Liebenberg, N (Nathan) 2 0 2 JMC Crawford Ruimsig 2025 (U12) 3rd Knight Riders Juniors Open Chess Tournament 2026 (D+E) Details
Overall 4 Mallach, D (Daniel) 2 0 2 Chess Power House Festive Rapid 2023 (Grade 3-7) CPH Boksburg Open 2024 (C) Details
Overall 5 Koutsouvelis, M (Matthew) 2 0 2 2025 Mzansi Inter Provincial Team Championships (U12 Combined) South African Junior Closed Chess Championship 2026 (U12 Open) Details
Standard 1 Maduna, A (Asanda) 4 3 1 Knight Riders Spring Chess Tournament 2024 (D) Fifth Knight Riders Juniors Open Chess Tournament 2026 (C) Details
Standard 2 Nkhoma, D (Daniel) 2 1 1 2024 West Rand Rappies Open (U12) Gauteng Schools Individuals Finals 2024 (U11 Boys) Details
Standard 3 Thorulsley, K (Kairaav) 2 0 2 2025 Gauteng Schools Provincial Individual Chess Championship (U11 Boys) MCA Welcome JHB 2026 (Expert) Details
Standard 4 Weng, S (Sebastian) 2 1 1 JMC - Trinity Randpark Ridge 2025 (U12) JMC Closed 2025 (U12) Details
Standard 5 Fourie, H (Hailey) 2 2 0 FIDE in the West 2024 (U12) FIDE in The West 2025 (U12) Details
Rapid 1 Gumede, M (Mthobisi) 2 1 1 G7 Regional Chess Tournament 2025 (U11) SACSSA Nationals 2025 (U11 Boys) Details