PLAYER PAGE
Personal
Booysen, J (Joshua)
Chess SA id
1180314623FIDE id
?Date of birth
2018-09-18 (U10)Gender
MaleRegion
Eden (WEG)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-11-08Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1230.1 | 1272.3 | 1196.2 | 1200 |
| Raw rating | 1230.1 | 1272.3 | 1179.9 | 1200 |
| Weighted rating | 1225 | 1246.8 | 1196.2 | 1200 |
| Weighted performance | 1110.8 | 1180.2 | 0 | 0 |
| Floor | 779.9 | 786.6 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 158.9 | 149.6 | 170.6 | 165.8 |
| Highest rating | 1279.92025-05-05 | 1286.62025-05-05 | 12002025-03-01 | 12002025-03-01 |
| Highest raw rating | 1279.92025-05-05 | 1286.62025-05-05 | 12002025-03-01 | 12002025-03-01 |
| Highest weighted rating | 1223.82025-11-30 | 1226.32025-08-01 | 12002025-03-01 | 12002025-03-01 |
| Highest weighted performance | 1279.92025-05-05 | 1286.61900-01-01 | 01900-01-01 | 01900-01-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | -1.4 | 0 |
| New rating | 1230.1 | 1272.3 | 1194.8 | 1200 |
| Analysis | ||||
| Rating | 1230.1 | 1272.3 | 1196.2 | 1200 |
| Raw rating | 1230.1 | 1272.3 | 1179.9 | 1200 |
| Weighted rating | 1225 | 1246.8 | 1196.2 | |
| Weighted performance | 1110.8 | 1180.2 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 779.9 | 786.6 | 700 | 700 |
| Max/Min rating change allowed | 158.9 | 149.6 | 170.6 | 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 | 1230.1 | 1272.3 | 1179.9 | 1200 |
| New weighted rating | 1226 | 1250.1 | 1194.8 | 1200 |
| New weighted performance | 1103.2 | 1171.9 | 0 | 0 |
| Temp new rating | 1230.1 | 1272.3 | 1194.8 | 1200 |
| Temp new rating +/- | 0 | 0 | -1.4 | 0 |
| Final new rating +/- | 0 | 0 | -1.4 | 0 |
| New rating | 1230.1 | 1272.3 | 1194.8 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 779.9 | 786.6 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 53 | 41 | 12 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 53 | 41 | 12 | 0 |
| Games since | |||||||||||||||||
| Main53 | Standard41 | Rapid12 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U8 | ||||||||||||||||
| Region | Eden (WEG) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 3905 | 1300 | 359 | ||||||||||||||
| Male | 2955 | 932 | 244 | ||||||||||||||
| U8 | 68 | 33 | 16 | ||||||||||||||
| U8 Male | 42 | 19 | 9 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 3437 | 974 | 325 | ||||||||||||||
| Male | 2655 | 695 | 222 | ||||||||||||||
| U8 | 51 | 23 | 18 | ||||||||||||||
| U8 Male | 34 | 14 | 12 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U8 | -1 | -1 | -1 | ||||||||||||||
| U8 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U8 | -1 | -1 | -1 | ||||||||||||||
| U8 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 | 53 | 25.5 | 48.11 | -16 | 1247.9 | 1231.8 |
| Standard | 41 | 22.5 | 54.88 | 41.5 | 1230.2 | 1271.7 |
| Rapid | 12 | 3 | 25 | -212.5 | 1308.1 | 1095.6 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 53 | 25.5 | 48.11 | -16 | 1247.9 | 1231.8 |
| Standard | 41 | 22.5 | 54.88 | 41.5 | 1230.2 | 1271.7 |
| Rapid | 12 | 3 | 25 | -212.5 | 1308.1 | 1095.6 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2026-01-01 | 1230.1 | 1272.3 | 1179.9 | 1200 |
| 2025-11-30 | 1230.1 | 1272.3 | 1179.9 | 1200 |
| 2025-11-01 | 1237.1 | 1272.3 | 1199.3 | 1200 |
| 2025-09-30 | 1237.1 | 1272.3 | 1199.3 | 1200 |
| 2025-09-01 | 1237.1 | 1272.3 | 1199.3 | 1200 |
| 2025-08-01 | 1237.1 | 1272.3 | 1199.3 | 1200 |
| 2025-07-01 | 1214.3 | 1251.4 | 1198.9 | 1200 |
| 2025-06-01 | 1214.3 | 1251.4 | 1193.1 | 1200 |
| 2025-05-01 | 1279.9 | 1286.6 | 1200 | 1200 |
| 2025-04-01 | 1265.8 | 1279.7 | 1200 | 1200 |
| 2025-03-01 | 1219.4 | 1223.3 | 1200 | 1200 |
| 2025-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2025-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-12-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-11-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-10-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-09-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-11-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-07-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-06-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-05-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-04-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-03-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-02-01 | 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 | Voories Skaaktoernooi 2025 (O7) | 2025-11-08 | 2025-11-08 | Rapid | Eden (WEG) | 5 | 5 | 2 | Yes | Analysis |
| 2 | George Top Schools 2025 (U7) | 2025-07-26 | 2025-07-26 | Standard | Eden (WEG) | 5 | 5 | 3 | Yes | Analysis |
| 3 | Western Cape Schools Individual Championship 2025 (U7 Boys) | 2025-05-17 | 2025-05-18 | Standard | Cape Winelands (WCW) | 6 | 6 | 2.5 | Yes | Analysis |
| 4 | Southern Knights Rapid 2025 (C) | 2025-05-03 | 2025-05-03 | Rapid | Eden (WEG) | 7 | 7 | 1 | Yes | Analysis |
| 5 | Eden Chess Trials 2 2025 (U8) | 2025-03-15 | 2025-04-12 | Standard | Eden (WEG) | 10 | 10 | 5 | Yes | Analysis |
| 6 | Eden Schools Chess Trials 1 2025 (U7 Boys) | 2025-03-08 | 2025-03-08 | Standard | Eden (WEG) | 5 | 5 | 3 | Yes | Analysis |
| 7 | George Schools Chess Trials 3 2025 (U7 Boys) | 2025-03-01 | 2025-03-01 | Standard | Eden (WEG) | 5 | 5 | 3.5 | Yes | Analysis |
| 8 | George Schools Chess Trials 2 2025 (U7 Boys) | 2025-02-15 | 2025-02-15 | Standard | Eden (WEG) | 5 | 5 | 3 | Yes | Analysis |
| 9 | George Schools Chess Trials 1 2025 (U7 Boys) | 2025-02-01 | 2025-02-01 | Standard | Eden (WEG) | 5 | 5 | 2.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | TournamentGeorge Schools Chess Trials 1 2025 | TournamentGeorge Schools Chess Trials 2 2025 | ||||||
| date2025-02-01 | rnd1 | typeStandard | result0.5 | date2025-02-15 | rnd2 | typeStandard | result1 | ||
| OpponentNel, S (Stian) | OpponentOosthuizen, N (Nico) | ||||||||
| 2 | 4 | TournamentGeorge Schools Chess Trials 2 2025 | TournamentGeorge Schools Chess Trials 3 2025 | ||||||
| date2025-02-15 | rnd4 | typeStandard | result0.5 | date2025-03-01 | rnd2 | typeStandard | result1 | ||
| OpponentLe Roux, F (Franco) | OpponentMpetsheni, C (Ceaton) | ||||||||
| 3 | 2 | TournamentGeorge Top Schools 2025 | TournamentGeorge Top Schools 2025 | ||||||
| date2025-07-26 | rnd2 | typeStandard | result1 | date2025-07-26 | rnd3 | typeStandard | result1 | ||
| OpponentOosthuizen, N (Nico) | OpponentDu Plessis, J (Johan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | TournamentGeorge Schools Chess Trials 1 2025 | TournamentGeorge Schools Chess Trials 2 2025 | ||||||
| date2025-02-01 | rnd1 | typeStandard | result0.5 | date2025-02-15 | rnd2 | typeStandard | result1 | ||
| OpponentNel, S (Stian) | OpponentOosthuizen, N (Nico) | ||||||||
| 2 | 4 | TournamentGeorge Schools Chess Trials 2 2025 | TournamentGeorge Schools Chess Trials 3 2025 | ||||||
| date2025-02-15 | rnd4 | typeStandard | result0.5 | date2025-03-01 | rnd2 | typeStandard | result1 | ||
| OpponentLe Roux, F (Franco) | OpponentMpetsheni, C (Ceaton) | ||||||||
| 3 | 2 | TournamentGeorge Top Schools 2025 | TournamentGeorge Top Schools 2025 | ||||||
| date2025-07-26 | rnd2 | typeStandard | result1 | date2025-07-26 | rnd3 | typeStandard | result1 | ||
| OpponentOosthuizen, N (Nico) | OpponentDu Plessis, J (Johan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentSouthern Knights Rapid 2025 | TournamentSouthern Knights Rapid 2025 | ||||||
| date2025-05-03 | rnd4 | typeRapid | result1 | date2025-05-03 | rnd4 | typeRapid | result1 | ||
| OpponentBooysen, S (Skyler) | OpponentBooysen, S (Skyler) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentGeorge Schools Chess Trials 2 2025 | TournamentGeorge Schools Chess Trials 3 2025 | ||||||
| date2025-02-15 | rnd5 | typeStandard | result1 | date2025-03-01 | rnd2 | typeStandard | result1 | ||
| OpponentJacobs, A (Ajay) | OpponentMpetsheni, C (Ceaton) | ||||||||
| 2 | 2 | TournamentGeorge Top Schools 2025 | TournamentGeorge Top Schools 2025 | ||||||
| date2025-07-26 | rnd2 | typeStandard | result1 | date2025-07-26 | rnd3 | typeStandard | result1 | ||
| OpponentOosthuizen, N (Nico) | OpponentDu Plessis, J (Johan) | ||||||||
| 3 | 2 | TournamentEden Chess Trials 2 2025 | TournamentEden Chess Trials 2 2025 | ||||||
| date2025-04-12 | rnd7 | typeStandard | result1 | date2025-04-12 | rnd8 | typeStandard | result1 | ||
| OpponentKock, R (Reese) | OpponentAppiah Baden, E (Emily Joy) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentGeorge Schools Chess Trials 2 2025 | TournamentGeorge Schools Chess Trials 3 2025 | ||||||
| date2025-02-15 | rnd5 | typeStandard | result1 | date2025-03-01 | rnd2 | typeStandard | result1 | ||
| OpponentJacobs, A (Ajay) | OpponentMpetsheni, C (Ceaton) | ||||||||
| 2 | 2 | TournamentGeorge Top Schools 2025 | TournamentGeorge Top Schools 2025 | ||||||
| date2025-07-26 | rnd2 | typeStandard | result1 | date2025-07-26 | rnd3 | typeStandard | result1 | ||
| OpponentOosthuizen, N (Nico) | OpponentDu Plessis, J (Johan) | ||||||||
| 3 | 2 | TournamentEden Chess Trials 2 2025 | TournamentEden Chess Trials 2 2025 | ||||||
| date2025-04-12 | rnd7 | typeStandard | result1 | date2025-04-12 | rnd8 | typeStandard | result1 | ||
| OpponentKock, R (Reese) | OpponentAppiah Baden, E (Emily Joy) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentSouthern Knights Rapid 2025 | TournamentSouthern Knights Rapid 2025 | ||||||
| date2025-05-03 | rnd4 | typeRapid | result1 | date2025-05-03 | rnd4 | typeRapid | result1 | ||
| OpponentBooysen, S (Skyler) | OpponentBooysen, S (Skyler) | ||||||||
| # | 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 | Oosthuizen ,N (Nico) | 3 | 3 | 425 | 3 | 3 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1198.1 | 1623.1 | 1197.7 | 1623.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Carolus Mazengai ,I (Ilai) | 3 | 1.5 | 0 | 2 | 1.5 | 212.5 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1211.2 | 1211.2 | 1212.1 | 1423.7 | 1200 | 786.2 | 0 | 0 | ||||||
| 3 | Kleynhans ,K (Kyler) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1284.6 | 1709.6 | 1302.2 | 1709.6 | 0 | 0 | 0 | 0 | ||||||
| 4 | Le Roux ,F (Franco) | 2 | 1.5 | 212.5 | 2 | 1.5 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1202.2 | 1414.7 | 1202.8 | 1414.7 | 0 | 0 | 0 | 0 | ||||||
| 5 | Jubber ,L (Luan) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1305.7 | 880.7 | 1313.8 | 880.7 | 0 | 0 | 0 | 0 | ||||||
| 6 | Kock ,R (Reese) | 2 | 1 | 0 | 1 | 1 | 425 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1206.9 | 1206.9 | 1218.8 | 1631.9 | 1200 | 781.9 | 0 | 0 | ||||||
| 7 | Faruk ,A (Amaar) | 2 | 0 | -425 | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1305.7 | 880.7 | 1200 | 880.7 | 1200 | 880.7 | 0 | 0 | ||||||
| 8 | Garzouzie ,A (Asher) | 2 | 1.5 | 212.5 | 1 | 0.5 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1221.7 | 1434.2 | 1200 | 1221.7 | 1200 | 1646.7 | 0 | 0 | ||||||
| 9 | Olivier ,D (Dirk) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1199.2 | 774.2 | 1199.1 | 774.2 | 0 | 0 | 0 | 0 | ||||||
| 10 | Lindt ,K (Ketalina) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1194.4 | 1619.4 | 1193.3 | 1619.4 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

