PLAYER PAGE
Personal
Blumenthal, Z (Zac)
Chess SA id
1110193299FIDE id
?Date of birth
2011-06-04 (U16)Gender
MaleRegion
Cape Town (WCT)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-03-03Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1191.7 | 1187.2 | 1200 | 1200 |
| Raw rating | 1191.7 | 1187.2 | 1200 | 1200 |
| Weighted rating | 1190.7 | 1185.8 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 710 | 712 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 167.8 | 168.9 | 165.8 | 165.8 |
| Highest rating | 1244.92024-02-01 | 1245.62024-02-01 | 12002024-02-01 | 12002024-02-01 |
| Highest raw rating | 12102024-03-01 | 12122024-03-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12102024-03-01 | 12122024-03-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted performance | 1244.92024-02-01 | 1245.62024-02-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1191.7 | 1187.2 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1191.7 | 1187.2 | 1200 | 1200 |
| Raw rating | 1191.7 | 1187.2 | 1200 | 1200 |
| Weighted rating | 1190.7 | 1185.8 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 710 | 712 | 700 | 700 |
| Max/Min rating change allowed | 167.8 | 168.9 | 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 | 1191.7 | 1187.2 | 1200 | 1200 |
| New weighted rating | 1190.7 | 1185.7 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1191.7 | 1187.2 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1191.7 | 1187.2 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 710 | 712 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 10 | 10 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 10 | 10 | 0 | 0 |
| Games since | |||||||||||||||||
| Main10 | Standard10 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Cape Town (WCT) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 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 | 10 | 4 | 40 | -85 | 1245 | 1160 |
| Standard | 10 | 4 | 40 | -85 | 1245 | 1160 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1191.7 | 1187.2 | 1200 | 1200 |
| 2025-09-01 | 1191.7 | 1187.2 | 1200 | 1200 |
| 2025-08-01 | 1191.7 | 1187.2 | 1200 | 1200 |
| 2025-07-01 | 1191.7 | 1187.2 | 1200 | 1200 |
| 2025-06-01 | 1191.7 | 1187.2 | 1200 | 1200 |
| 2025-05-01 | 1191.7 | 1187.2 | 1200 | 1200 |
| 2025-04-01 | 1191.7 | 1187.2 | 1200 | 1200 |
| 2025-03-01 | 1191.7 | 1187.2 | 1200 | 1200 |
| 2025-02-01 | 1191.6 | 1187.1 | 1200 | 1200 |
| 2025-01-01 | 1187.3 | 1180.7 | 1200 | 1200 |
| 2024-12-01 | 1187.3 | 1180.7 | 1200 | 1200 |
| 2024-11-01 | 1187.3 | 1180.7 | 1200 | 1200 |
| 2024-10-01 | 1187.3 | 1180.7 | 1200 | 1200 |
| 2024-09-01 | 1187.3 | 1180.7 | 1200 | 1200 |
| 2024-08-01 | 1187.3 | 1180.7 | 1200 | 1200 |
| 2024-07-01 | 1187.3 | 1180.7 | 1200 | 1200 |
| 2024-06-01 | 1187.3 | 1180.7 | 1200 | 1200 |
| 2024-08-01 | 1187.3 | 1180.7 | 1200 | 1200 |
| 2024-04-01 | 1187.3 | 1180.7 | 1200 | 1200 |
| 2024-03-01 | 1210 | 1212 | 1200 | 1200 |
| 2024-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-12-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-11-01 | 1200 | 1200 | 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 | Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys) | 2024-03-02 | 2024-03-03 | Standard | Cape Town (WCT) | 6 | 5 | 1 | Yes | Analysis |
| 2 | CT Metro Central District Schools Chess Individuals Trials 2024 (U13 Boys) | 2024-02-03 | 2024-02-03 | Standard | Cape Town (WCT) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCT Metro Central District Schools Chess Individuals Trials 2024 | TournamentCT Metro Central District Schools Chess Individuals Trials 2024 | ||||||
| date2024-02-03 | rnd2 | typeStandard | result1 | date2024-02-03 | rnd4 | typeStandard | result1 | ||
| OpponentMeve, R (Rato) | OpponentAnthony, R (Raqib) | ||||||||
| 2 | 1 | TournamentCape Town Metro Schools Chess Closed Individuals 2024 | TournamentCape Town Metro Schools Chess Closed Individuals 2024 | ||||||
| date2024-03-03 | rnd4 | typeStandard | result1 | date2024-03-03 | rnd4 | typeStandard | result1 | ||
| OpponentWilliams, C (Cam'Ron) | OpponentWilliams, C (Cam'Ron) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCT Metro Central District Schools Chess Individuals Trials 2024 | TournamentCT Metro Central District Schools Chess Individuals Trials 2024 | ||||||
| date2024-02-03 | rnd2 | typeStandard | result1 | date2024-02-03 | rnd4 | typeStandard | result1 | ||
| OpponentMeve, R (Rato) | OpponentAnthony, R (Raqib) | ||||||||
| 2 | 1 | TournamentCape Town Metro Schools Chess Closed Individuals 2024 | TournamentCape Town Metro Schools Chess Closed Individuals 2024 | ||||||
| date2024-03-03 | rnd4 | typeStandard | result1 | date2024-03-03 | rnd4 | typeStandard | result1 | ||
| OpponentWilliams, C (Cam'Ron) | OpponentWilliams, C (Cam'Ron) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCT Metro Central District Schools Chess Individuals Trials 2024 | TournamentCT Metro Central District Schools Chess Individuals Trials 2024 | ||||||
| date2024-02-03 | rnd2 | typeStandard | result1 | date2024-02-03 | rnd4 | typeStandard | result1 | ||
| OpponentMeve, R (Rato) | OpponentAnthony, R (Raqib) | ||||||||
| 2 | 1 | TournamentCape Town Metro Schools Chess Closed Individuals 2024 | TournamentCape Town Metro Schools Chess Closed Individuals 2024 | ||||||
| date2024-03-03 | rnd4 | typeStandard | result1 | date2024-03-03 | rnd4 | typeStandard | result1 | ||
| OpponentWilliams, C (Cam'Ron) | OpponentWilliams, C (Cam'Ron) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCT Metro Central District Schools Chess Individuals Trials 2024 | TournamentCT Metro Central District Schools Chess Individuals Trials 2024 | ||||||
| date2024-02-03 | rnd2 | typeStandard | result1 | date2024-02-03 | rnd4 | typeStandard | result1 | ||
| OpponentMeve, R (Rato) | OpponentAnthony, R (Raqib) | ||||||||
| 2 | 1 | TournamentCape Town Metro Schools Chess Closed Individuals 2024 | TournamentCape Town Metro Schools Chess Closed Individuals 2024 | ||||||
| date2024-03-03 | rnd4 | typeStandard | result1 | date2024-03-03 | rnd4 | typeStandard | result1 | ||
| OpponentWilliams, C (Cam'Ron) | OpponentWilliams, C (Cam'Ron) | ||||||||
| # | 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 | Shaw ,O (Oliver) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1396.2 | 971.2 | 1306.2 | 971.2 | 0 | 0 | 0 | 0 | ||||||
| 2 | Edwards ,I (Israel) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1382.8 | 957.8 | 1372.6 | 957.8 | 0 | 0 | 0 | 0 | ||||||
| 3 | Anthony ,R (Raqib) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1170.4 | 1595.4 | 1162.6 | 1595.4 | 0 | 0 | 0 | 0 | ||||||
| 4 | Madlala ,B (Bonginkosi) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1127.4 | 1552.4 | 1108.8 | 1552.4 | 0 | 0 | 0 | 0 | ||||||
| 5 | Bassier ,M (Maymoon) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1248.4 | 823.4 | 1254.7 | 823.4 | 0 | 0 | 0 | 0 | ||||||
| 6 | Combrink ,C (Christopher) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1324.7 | 899.7 | 1319.5 | 899.7 | 0 | 0 | 0 | 0 | ||||||
| 7 | Williams ,C (Cam'Ron) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1211.4 | 1636.4 | 1221.6 | 1636.4 | 0 | 0 | 0 | 0 | ||||||
| 8 | Schultz ,O (Oliver) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1340.1 | 915.1 | 1343.9 | 915.1 | 0 | 0 | 0 | 0 | ||||||
| 9 | Meve ,R (Rato) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1118.4 | 1543.4 | 1114 | 1543.4 | 0 | 0 | 0 | 0 | ||||||
| 10 | Jansen ,R (Riley) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1130.2 | 705.2 | 1158.2 | 705.2 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|