PLAYER PAGE
Personal

Bertelsmann, A (Alexander)
Chess SA id
1070095962FIDE id
?Date of birth
2007-05-18 (U20)Gender
MaleRegion
Chess South Africa (CSA)Citizen
RSATitles
Chess SA registered
NoLast active game
2018-01-12Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
Rating | 1087.2 | 1087.2 | 1200 | 1200 |
Raw rating | 1087.2 | 1087.2 | 1200 | 1200 |
Weighted rating | 1087.2 | 1087.2 | 1200 | 1200 |
Weighted performance | 0 | 0 | 0 | 0 |
Floor | 700 | 700 | 700 | 700 |
K-factor | 36 | 36 | 36 | 36 |
Min/Max rating change allowed | 194.7 | 194.7 | 165.8 | 165.8 |
Highest rating | 12002024-11-01 | 12002024-11-01 | 12002018-10-01 | 12002018-10-01 |
Highest raw rating | 12002018-01-01 | 12002018-01-01 | 12002024-02-01 | 12002024-02-01 |
Highest weighted rating | 12002024-11-01 | 12002024-11-01 | 12002018-10-01 | 12002018-10-01 |
Highest weighted performance | 12002024-12-01 | 12002024-12-01 | 12002024-02-01 | 12002024-02-01 |
Prediction | ||||
---|---|---|---|---|
Item | Main | Standard | Rapid | Blitz |
Rating change | 0 | 0 | 0 | 0 |
New rating | 1087.2 | 1087.2 | 1200 | 1200 |
Analysis | ||||
Rating | 1087.2 | 1087.2 | 1200 | 1200 |
Raw rating | 1087.2 | 1087.2 | 1200 | 1200 |
Weighted rating | 1087.2 | 1087.2 | 1200 | |
Weighted performance | 0 | 0 | 0 | |
K-factor | 36 | 36 | 36 | 36 |
Floor | 700 | 700 | 700 | 700 |
Max/Min rating change allowed | 194.7 | 194.7 | 165.8 | 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 | 1087.2 | 1087.2 | 1200 | 1200 |
New weighted rating | 1087.2 | 1087.2 | 1200 | 1200 |
New weighted performance | 0 | 0 | 0 | 0 |
Temp new rating | 1087.2 | 1087.2 | 1200 | 1200 |
Temp new rating +/- | 0 | 0 | 0 | 0 |
Final new rating +/- | 0 | 0 | 0 | 0 |
New rating | 1087.2 | 1087.2 | 1200 | 1200 |
New K-factor | 36 | 36 | 36 | 36 |
New floor | 700 | 700 | 700 | 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 | 7 | 7 | 0 | 0 |
Games since | |||||||||||||||||
Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
Gender | Male | ||||||||||||||||
Age group | U20 | ||||||||||||||||
Region | Chess South Africa (CSA) | ||||||||||||||||
Province | |||||||||||||||||
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 | 7 | 3.5 | 50 | 0 | 836.6 | 836.6 |
Standard | 7 | 3.5 | 50 | 0 | 836.6 | 836.6 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
Date | Main | Standard | Rapid | Blitz |
2025-09-30 | 1087.2 | 1087.2 | 1200 | 1200 |
2025-09-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2025-08-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2025-07-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2025-06-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2025-05-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2025-04-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2025-03-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2025-02-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2025-01-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2024-12-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2024-11-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2024-10-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2024-09-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2024-08-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2024-07-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2024-06-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2024-08-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2024-04-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2024-03-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2024-02-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2024-01-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2023-12-01 | 1087.2 | 1087.2 | 1200 | 1200 |
2023-11-01 | 1087.2 | 1087.2 | 1200 | 1200 |
Comming soon.
Tournaments
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|
Last 500 tournaments since 01 January 2018
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|---|---|---|---|---|---|---|---|---|---|
1 | South African Junior Wildcard Championships 2017 (U12 Open) | 2018-01-09 | 2018-01-12 | Standard | 4 Knights (4K) | 7 | 7 | 3.5 | Yes | Analysis |
Top 3 Streaks
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 2 | TournamentSouth African Junior Wildcard Championships 2017 | TournamentSouth African Junior Wildcard Championships 2017 | ||||||
date2018-01-11 | rnd6 | typeStandard | result1 | date2018-01-12 | rnd7 | typeStandard | result0.5 | ||
OpponentRamjith, R (Rehan) | OpponentJones, W (William) | ||||||||
2 | 2 | TournamentSouth African Junior Wildcard Championships 2017 | TournamentSouth African Junior Wildcard Championships 2017 | ||||||
date2018-01-09 | rnd1 | typeStandard | result1 | date2018-01-09 | rnd2 | typeStandard | result1 | ||
OpponentVan Der Bank, Z (Zak) | OpponentRoets, Z (Zanru) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 2 | TournamentSouth African Junior Wildcard Championships 2017 | TournamentSouth African Junior Wildcard Championships 2017 | ||||||
date2018-01-11 | rnd6 | typeStandard | result1 | date2018-01-12 | rnd7 | typeStandard | result0.5 | ||
OpponentRamjith, R (Rehan) | OpponentJones, W (William) | ||||||||
2 | 2 | TournamentSouth African Junior Wildcard Championships 2017 | TournamentSouth African Junior Wildcard Championships 2017 | ||||||
date2018-01-09 | rnd1 | typeStandard | result1 | date2018-01-09 | rnd2 | typeStandard | result1 | ||
OpponentVan Der Bank, Z (Zak) | OpponentRoets, Z (Zanru) |
# | Games | Start | End |
---|
# | Games | Start | End |
---|
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 2 | TournamentSouth African Junior Wildcard Championships 2017 | TournamentSouth African Junior Wildcard Championships 2017 | ||||||
date2018-01-09 | rnd1 | typeStandard | result1 | date2018-01-09 | rnd2 | typeStandard | result1 | ||
OpponentVan Der Bank, Z (Zak) | OpponentRoets, Z (Zanru) | ||||||||
2 | 1 | TournamentSouth African Junior Wildcard Championships 2017 | TournamentSouth African Junior Wildcard Championships 2017 | ||||||
date2018-01-11 | rnd6 | typeStandard | result1 | date2018-01-11 | rnd6 | typeStandard | result1 | ||
OpponentRamjith, R (Rehan) | OpponentRamjith, R (Rehan) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 2 | TournamentSouth African Junior Wildcard Championships 2017 | TournamentSouth African Junior Wildcard Championships 2017 | ||||||
date2018-01-09 | rnd1 | typeStandard | result1 | date2018-01-09 | rnd2 | typeStandard | result1 | ||
OpponentVan Der Bank, Z (Zak) | OpponentRoets, Z (Zanru) | ||||||||
2 | 1 | TournamentSouth African Junior Wildcard Championships 2017 | TournamentSouth African Junior Wildcard Championships 2017 | ||||||
date2018-01-11 | rnd6 | typeStandard | result1 | date2018-01-11 | rnd6 | typeStandard | result1 | ||
OpponentRamjith, R (Rehan) | OpponentRamjith, R (Rehan) |
# | Games | Start | End |
---|
# | 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 | Jones ,W (William) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
735.8 | 735.8 | 735.8 | 735.8 | 0 | 0 | 0 | 0 | ||||||
2 | Roets ,Z (Zanru) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
883 | 1308 | 883 | 1308 | 0 | 0 | 0 | 0 | ||||||
3 | Van Der Bank ,Z (Zak) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
860.4 | 1285.4 | 860.4 | 1285.4 | 0 | 0 | 0 | 0 | ||||||
4 | Allison ,LM (Liam Mark) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
890 | 465 | 890 | 465 | 0 | 0 | 0 | 0 | ||||||
5 | Africa ,G (Gillmore) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
816 | 391 | 816 | 391 | 0 | 0 | 0 | 0 | ||||||
6 | Ramjith ,R (Rehan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
728.4 | 1153.4 | 728.4 | 1153.4 | 0 | 0 | 0 | 0 | ||||||
7 | Burgers ,AJ (Adriaan Johannes) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
942.6 | 517.6 | 942.6 | 517.6 | 0 | 0 | 0 | 0 |
Norms
# | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
---|---|---|---|---|---|---|---|---|