PLAYER PAGE
Personal

Cooper-Bell, BO (Ben)
Chess SA id
1060113585FIDE id
?Date of birth
2006-01-08 (U20)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2020-01-25Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
Rating | 1309 | 1290.4 | 1239.2 | 1200 |
Raw rating | 1309 | 1290.4 | 1239.2 | 1200 |
Weighted rating | 1308.3 | 1289.7 | 1239.2 | 1200 |
Weighted performance | 310.1 | 0 | 0 | 0 |
Floor | 851.8 | 826.4 | 739.2 | 700 |
K-factor | 36 | 36 | 36 | 36 |
Min/Max rating change allowed | 142 | 145.8 | 156.8 | 165.8 |
Highest rating | 1468.92019-05-01 | 1460.32019-05-01 | 1323.92019-05-01 | 12002018-10-01 |
Highest raw rating | 1351.82019-12-01 | 1326.42019-12-01 | 1239.22024-02-01 | 12002024-02-01 |
Highest weighted rating | 1306.82025-08-01 | 1288.12025-08-01 | 1239.22024-02-01 | 12002018-10-01 |
Highest weighted performance | 1468.92019-05-01 | 1460.32019-05-01 | 1323.92019-05-01 | 12002024-02-01 |
Prediction | ||||
---|---|---|---|---|
Item | Main | Standard | Rapid | Blitz |
Rating change | 0 | 0 | 0 | 0 |
New rating | 1309 | 1290.4 | 1239.2 | 1200 |
Analysis | ||||
Rating | 1309 | 1290.4 | 1239.2 | 1200 |
Raw rating | 1309 | 1290.4 | 1239.2 | 1200 |
Weighted rating | 1308.3 | 1289.7 | 1239.2 | |
Weighted performance | 310.1 | 0 | 0 | |
K-factor | 36 | 36 | 36 | 36 |
Floor | 851.8 | 826.4 | 739.2 | 700 |
Max/Min rating change allowed | 142 | 145.8 | 156.8 | 165.8 |
Games | 0 | 0 | 0 | 0 |
Score | 0 | 0 | 0 | 0 |
Expected score | 0 | 0 | 0 | 0 |
Score-Expected | 0 | 0 | 0 | 0 |
Temp raw +/- | 0 | 0 | 0 | 0 |
Final raw +/- | 0 | 0 | 0 | 0 |
New raw rating | 1309 | 1290.4 | 1239.2 | 1200 |
New weighted rating | 1308.8 | 1290.2 | 1239.2 | 1200 |
New weighted performance | 309.7 | 0 | 0 | 0 |
Temp new rating | 1309 | 1290.4 | 1239.2 | 1200 |
Temp new rating +/- | 0 | 0 | 0 | 0 |
Final new rating +/- | 0 | 0 | 0 | 0 |
New rating | 1309 | 1290.4 | 1239.2 | 1200 |
New K-factor | 36 | 36 | 36 | 36 |
New floor | 851.8 | 826.4 | 739.2 | 700 |
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
History | 26 | 21 | 5 | 0 |
Games since | |||||||||||||||||
Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
Gender | Male | ||||||||||||||||
Age group | U20 | ||||||||||||||||
Region | Tshwane (GTP) | ||||||||||||||||
Province | Gauteng (GT) | ||||||||||||||||
Main | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U20 | -1 | -1 | -1 | ||||||||||||||
U20 Male | -1 | -1 | -1 | ||||||||||||||
Standard | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U20 | -1 | -1 | -1 | ||||||||||||||
U20 Male | -1 | -1 | -1 | ||||||||||||||
Rapid | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U20 | -1 | -1 | -1 | ||||||||||||||
U20 Male | -1 | -1 | -1 | ||||||||||||||
Blitz | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U20 | -1 | -1 | -1 | ||||||||||||||
U20 Male | -1 | -1 | -1 |
Games | Score | % | Dp | AvgOpp | Performance | |
Main | 0 | 0 | 0 | 0 | 0 | 0 |
Standard | 0 | 0 | 0 | 0 | 0 | 0 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
Games | Score | % | Dp | AvgOpp | Performance | |
Main | 0 | 0 | 0 | 0 | 0 | 0 |
Standard | 0 | 0 | 0 | 0 | 0 | 0 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
History | ||||||
Games | Score | % | Dp | AvgOpp | Performance | |
Main | 26 | 17 | 65.38 | 130.8 | 1197.1 | 1327.9 |
Standard | 21 | 12 | 57.14 | 60.7 | 1220.4 | 1281.1 |
Rapid | 5 | 5 | 100 | 425 | 1099.4 | 1524.4 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
Date | Main | Standard | Rapid | Blitz |
2025-09-30 | 1309 | 1290.4 | 1239.2 | 1200 |
2025-09-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2025-08-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2025-07-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2025-06-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2025-05-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2025-04-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2025-03-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2025-02-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2025-01-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2024-12-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2024-11-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2024-10-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2024-09-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2024-08-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2024-07-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2024-06-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2024-08-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2024-04-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2024-03-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2024-02-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2024-01-01 | 1309 | 1290.4 | 1239.2 | 1200 |
2023-12-01 | 1243.1 | 1221.3 | 1239.2 | 1200 |
2023-11-01 | 1243.1 | 1221.3 | 1239.2 | 1200 |
Comming soon.
Tournaments
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
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Last 500 tournaments since 01 January 2018
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|---|---|---|---|---|---|---|---|---|---|
1 | 2020 Registration Tournament (B) | 2020-01-25 | 2020-01-25 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
2 | 2019 South African Junior Team Championships (U16C) | 2020-01-04 | 2020-01-08 | Standard | 4 Knights (4K) | 7 | 7 | 2.5 | Yes | Analysis |
3 | 2019 Super 12 Laerskole (Seniors) | 2019-05-04 | 2019-05-04 | Rapid | Tshwane (GTP) | 5 | 5 | 5 | Yes | Analysis |
4 | 2019 Gauteng Primary Schools Individual Chess Championships (U13 Boys) | 2019-05-25 | 2019-05-25 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
5 | D2 Schools Individuals 2019 (U13) | 2019-05-18 | 2019-05-18 | Standard | West Rand (GWR) | 5 | 5 | 4.5 | Yes | Analysis |
Top 3 Streaks
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 11 | Tournament2019 Super 12 Laerskole | Tournament2019 Gauteng Primary Schools Individual Chess Championships | ||||||
date2019-05-04 | rnd1 | typeRapid | result1 | date2019-05-25 | rnd1 | typeStandard | result1 | ||
OpponentMalan, J (Jayden) | OpponentNgidi, B (Byron) | ||||||||
2 | 3 | Tournament2019 Gauteng Primary Schools Individual Chess Championships | Tournament2019 Gauteng Primary Schools Individual Chess Championships | ||||||
date2019-05-25 | rnd3 | typeStandard | result1 | date2019-05-25 | rnd5 | typeStandard | result1 | ||
OpponentJones, E (Ethan) | OpponentAlho, M (Mario) | ||||||||
3 | 2 | Tournament2019 South African Junior Team Championships | Tournament2020 Registration Tournament | ||||||
date2020-01-08 | rnd7 | typeStandard | result1 | date2020-01-25 | rnd1 | typeStandard | result1 | ||
OpponentWarland, G (Graeme) | OpponentDelport, B (Ben) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 6 | TournamentD2 Schools Individuals 2019 | Tournament2019 Gauteng Primary Schools Individual Chess Championships | ||||||
date2019-05-18 | rnd1 | typeStandard | result1 | date2019-05-25 | rnd1 | typeStandard | result1 | ||
OpponentNxumalo, S (Sihle) | OpponentNgidi, B (Byron) | ||||||||
2 | 3 | Tournament2019 Gauteng Primary Schools Individual Chess Championships | Tournament2019 Gauteng Primary Schools Individual Chess Championships | ||||||
date2019-05-25 | rnd3 | typeStandard | result1 | date2019-05-25 | rnd5 | typeStandard | result1 | ||
OpponentJones, E (Ethan) | OpponentAlho, M (Mario) | ||||||||
3 | 2 | Tournament2019 South African Junior Team Championships | Tournament2020 Registration Tournament | ||||||
date2020-01-08 | rnd7 | typeStandard | result1 | date2020-01-25 | rnd1 | typeStandard | result1 | ||
OpponentWarland, G (Graeme) | OpponentDelport, B (Ben) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 5 | Tournament2019 Super 12 Laerskole | Tournament2019 Super 12 Laerskole | ||||||
date2019-05-04 | rnd1 | typeRapid | result1 | date2019-05-04 | rnd5 | typeRapid | result1 | ||
OpponentMalan, J (Jayden) | OpponentDe Lange, D (Dylan) |
# | Games | Start | End |
---|
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 7 | Tournament2019 Super 12 Laerskole | TournamentD2 Schools Individuals 2019 | ||||||
date2019-05-04 | rnd1 | typeRapid | result1 | date2019-05-18 | rnd2 | typeStandard | result1 | ||
OpponentMalan, J (Jayden) | OpponentSangweni, A (Asanda) | ||||||||
2 | 3 | Tournament2019 Gauteng Primary Schools Individual Chess Championships | Tournament2019 Gauteng Primary Schools Individual Chess Championships | ||||||
date2019-05-25 | rnd3 | typeStandard | result1 | date2019-05-25 | rnd5 | typeStandard | result1 | ||
OpponentJones, E (Ethan) | OpponentAlho, M (Mario) | ||||||||
3 | 3 | TournamentD2 Schools Individuals 2019 | Tournament2019 Gauteng Primary Schools Individual Chess Championships | ||||||
date2019-05-18 | rnd4 | typeStandard | result1 | date2019-05-25 | rnd1 | typeStandard | result1 | ||
OpponentKhutshwa, N (Ntombizikhona) | OpponentNgidi, B (Byron) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 3 | Tournament2019 Gauteng Primary Schools Individual Chess Championships | Tournament2019 Gauteng Primary Schools Individual Chess Championships | ||||||
date2019-05-25 | rnd3 | typeStandard | result1 | date2019-05-25 | rnd5 | typeStandard | result1 | ||
OpponentJones, E (Ethan) | OpponentAlho, M (Mario) | ||||||||
2 | 3 | TournamentD2 Schools Individuals 2019 | Tournament2019 Gauteng Primary Schools Individual Chess Championships | ||||||
date2019-05-18 | rnd4 | typeStandard | result1 | date2019-05-25 | rnd1 | typeStandard | result1 | ||
OpponentKhutshwa, N (Ntombizikhona) | OpponentNgidi, B (Byron) | ||||||||
3 | 2 | Tournament2019 South African Junior Team Championships | Tournament2020 Registration Tournament | ||||||
date2020-01-08 | rnd7 | typeStandard | result1 | date2020-01-25 | rnd1 | typeStandard | result1 | ||
OpponentWarland, G (Graeme) | OpponentDelport, B (Ben) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 5 | Tournament2019 Super 12 Laerskole | Tournament2019 Super 12 Laerskole | ||||||
date2019-05-04 | rnd1 | typeRapid | result1 | date2019-05-04 | rnd5 | typeRapid | result1 | ||
OpponentMalan, J (Jayden) | OpponentDe Lange, D (Dylan) |
# | Games | Start | End |
---|
Top 10 opponents most often played
# | Opponent | Main | Standard | Rapid | Blitz | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | ||
Aor | Prat | Aor | Prat | Aor | Prat | Aor | Prat | ||||||
1 | Koki ,M (Mila) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1190.4 | 1615.4 | 1189.4 | 1615.4 | 0 | 0 | 0 | 0 | ||||||
2 | Buitendag ,TS (Tristan Serfontein) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1364.4 | 939.4 | 1365 | 939.4 | 0 | 0 | 0 | 0 | ||||||
3 | Khampepe ,OJ (Olebogeng Joy) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1248.8 | 823.8 | 1242.3 | 823.8 | 0 | 0 | 0 | 0 | ||||||
4 | Sithole ,N (Nolwazi) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1212.7 | 1637.7 | 1209.8 | 1637.7 | 0 | 0 | 0 | 0 | ||||||
5 | Human ,PMB (Petrus Marthinus) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1109.8 | 684.8 | 1102.9 | 684.8 | 0 | 0 | 0 | 0 | ||||||
6 | Visser ,IC (Ivan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1364.6 | 939.6 | 1360 | 939.6 | 0 | 0 | 0 | 0 | ||||||
7 | Jacobs ,GJ (Gerhard Jakobus) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1312.5 | 887.5 | 1300.5 | 887.5 | 0 | 0 | 0 | 0 | ||||||
8 | Ngidi ,B (Byron) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1077.8 | 1502.8 | 1062.4 | 1502.8 | 0 | 0 | 0 | 0 | ||||||
9 | Coetzer ,E (Erik) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1105 | 680 | 1115 | 680 | 0 | 0 | 0 | 0 | ||||||
10 | Botha ,E (Emma) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1285.9 | 1285.9 | 1282.9 | 1285.9 | 0 | 0 | 0 | 0 |
Norms
# | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
---|---|---|---|---|---|---|---|---|