PLAYER PAGE
Personal
Pieterse, JJ (Johan)
Chess SA id
1080145431FIDE id
?Date of birth
2008-05-29 (U20)Gender
MaleRegion
Capricorn (LCP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-03-21Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1401.4 | 1372 | 1339.1 | 1200 |
| Raw rating | 1401.4 | 1372 | 1339.1 | 1200 |
| Weighted rating | 1385.8 | 1362.5 | 1324 | 1200 |
| Weighted performance | 1257.2 | 1197.6 | 0 | 0 |
| Floor | 901.4 | 872 | 839.1 | 700 |
| K-factor | 32 | 36 | 36 | 36 |
| Min/Max rating change allowed | 124.5 | 129.8 | 136 | 165.8 |
| Highest rating | 1412.92024-06-01 | 13722025-04-01 | 13772024-06-01 | 12002018-10-01 |
| Highest raw rating | 1401.42025-04-01 | 13722025-04-01 | 1339.12025-04-01 | 12002024-02-01 |
| Highest weighted rating | 1363.72025-08-01 | 1347.92025-08-01 | 1302.72025-08-01 | 12002018-10-01 |
| Highest weighted performance | 1412.92024-06-01 | 1363.12024-04-01 | 13772024-06-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1401.4 | 1372 | 1339.1 | 1200 |
| Analysis | ||||
| Rating | 1401.4 | 1372 | 1339.1 | 1200 |
| Raw rating | 1401.4 | 1372 | 1339.1 | 1200 |
| Weighted rating | 1385.8 | 1362.5 | 1324 | |
| Weighted performance | 1257.2 | 1197.6 | 0 | |
| K-factor | 32 | 36 | 36 | 36 |
| Floor | 901.4 | 872 | 839.1 | 700 |
| Max/Min rating change allowed | 124.5 | 129.8 | 136 | 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 | 1401.4 | 1372 | 1339.1 | 1200 |
| New weighted rating | 1388.7 | 1364.3 | 1326.9 | 1200 |
| New weighted performance | 1247.9 | 1188.6 | 0 | 0 |
| Temp new rating | 1401.4 | 1372 | 1339.1 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1401.4 | 1372 | 1339.1 | 1200 |
| New K-factor | 32 | 36 | 36 | 36 |
| New floor | 901.4 | 872 | 839.1 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 10 | 5 | 5 | 0 | |
| 48 | 37 | 11 | 0 | |
| 11 | 5 | 6 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 74 | 52 | 22 | 0 |
| Games since | |||||||||||||||||
| Main58 | Standard42 | Rapid16 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Capricorn (LCP) | ||||||||||||||||
| Province | Limpopo (LP) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 2166 | 56 | 49 | ||||||||||||||
| Male | 1770 | 52 | 45 | ||||||||||||||
| U18 | 346 | 11 | 11 | ||||||||||||||
| U18 Male | 297 | 11 | 11 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 2395 | 67 | 60 | ||||||||||||||
| Male | 1929 | 62 | 55 | ||||||||||||||
| U18 | 395 | 13 | 13 | ||||||||||||||
| U18 Male | 338 | 13 | 13 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 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 | 10 | 8 | 80 | 255 | 1255.1 | 1510.1 |
| Standard | 5 | 4 | 80 | 255 | 1230.3 | 1485.3 |
| Rapid | 5 | 4 | 80 | 255 | 1279.9 | 1534.9 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 74 | 48 | 64.86 | 126.4 | 1260.5 | 1386.8 |
| Standard | 52 | 32 | 61.54 | 98.1 | 1277.8 | 1375.9 |
| Rapid | 22 | 16 | 72.73 | 193.2 | 1219.4 | 1412.6 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2026-01-01 | 1401.4 | 1372 | 1339.1 | 1200 |
| 2025-11-30 | 1401.4 | 1372 | 1339.1 | 1200 |
| 2025-11-01 | 1401.4 | 1372 | 1339.1 | 1200 |
| 2025-09-30 | 1401.4 | 1372 | 1339.1 | 1200 |
| 2025-09-01 | 1401.4 | 1372 | 1339.1 | 1200 |
| 2025-08-01 | 1401.4 | 1372 | 1339.1 | 1200 |
| 2025-07-01 | 1401.4 | 1372 | 1339.1 | 1200 |
| 2025-06-01 | 1401.4 | 1372 | 1339.1 | 1200 |
| 2025-05-01 | 1401.4 | 1372 | 1339.1 | 1200 |
| 2025-04-01 | 1401.4 | 1372 | 1339.1 | 1200 |
| 2025-03-01 | 1360.7 | 1344.9 | 1305.3 | 1200 |
| 2025-02-01 | 1360.7 | 1344.9 | 1305.3 | 1200 |
| 2025-01-01 | 1360.7 | 1344.9 | 1305.3 | 1200 |
| 2024-12-01 | 1367.5 | 1351.4 | 1305.3 | 1200 |
| 2024-11-01 | 1367.5 | 1351.4 | 1305.3 | 1200 |
| 2024-10-01 | 1366.9 | 1353.6 | 1305.3 | 1200 |
| 2024-09-01 | 1364.8 | 1348.6 | 1305.3 | 1200 |
| 2024-11-01 | 1364.8 | 1348.6 | 1305.3 | 1200 |
| 2024-07-01 | 1364.8 | 1348.6 | 1305.3 | 1200 |
| 2024-06-01 | 1343 | 1348.6 | 1265 | 1200 |
| 2024-05-01 | 1343 | 1348.6 | 1265 | 1200 |
| 2024-04-01 | 1293 | 1312.8 | 1201.6 | 1200 |
| 2024-03-01 | 1260.4 | 1275.7 | 1201.6 | 1200 |
| 2024-02-01 | 1244 | 1256.6 | 1201.6 | 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 | NABOOMSPAR Open Chess Tournament 21 Mar 2025 (Open) | 2025-03-21 | 2025-03-21 | Rapid | Capricorn (LCP) | 5 | 5 | 4 | Yes | Analysis |
| 2 | Waterberg Junior Qualifying 1 2025 (U16-U20) | 2025-02-22 | 2025-02-22 | Standard | Waterberg (LWM) | 5 | 5 | 4 | Yes | Analysis |
| 3 | Mzansi Interprovincial Youth Chess Championships 2024 (U18 Open Candidates) | 2024-12-16 | 2024-12-19 | Standard | Capricorn (LCP) | 7 | 7 | 4 | Yes | Analysis |
| 4 | Limpopo Junior Trials 2024 (U18) | 2024-10-05 | 2024-10-05 | Standard | Capricorn (LCP) | 5 | 5 | 2.5 | Yes | Analysis |
| 5 | Capricorn Junior Qualifying 6 2024 (U18) | 2024-09-14 | 2024-09-14 | Standard | Capricorn (LCP) | 5 | 5 | 2.5 | Yes | Analysis |
| 6 | Waterberg Qualfying 2024 (U18) | 2024-07-19 | 2024-07-19 | Standard | Waterberg (LWM) | 5 | 5 | 3 | Yes | Analysis |
| 7 | Nylstroom Modimolle Open Chess Tournament 15 June 2024 | 2024-06-15 | 2024-06-15 | Rapid | Waterberg (LWM) | 5 | 5 | 3.5 | Yes | Analysis |
| 8 | NABOOMSPAR Open Chess Tournament 2024 (Open) | 2024-04-27 | 2024-04-27 | Standard | Waterberg (LWM) | 5 | 5 | 3 | Yes | Analysis |
| 9 | NWU Super 16 2024 | 2024-04-19 | 2024-04-19 | Rapid | Gert Sibande (MGS) | 6 | 6 | 5 | Yes | Analysis |
| 10 | Capricorn District Junior Qualifying 3 2024 (U18) | 2024-03-09 | 2024-03-09 | Standard | Capricorn (LCP) | 5 | 5 | 3.5 | Yes | Analysis |
| 11 | Capricorn District Chess Junior Qualifying Tournament 2024 (U18) | 2024-02-10 | 2024-02-10 | Standard | Capricorn (LCP) | 5 | 5 | 3 | Yes | Analysis |
| 12 | NWU Super 16 2023 (B) | 2023-04-21 | 2023-04-21 | Rapid | Gert Sibande (MGS) | 7 | 6 | 3.5 | Yes | Analysis |
| 13 | Capricorn Qualifying February 4th 2023 (U16) | 2023-02-04 | 2023-02-04 | Standard | Capricorn (LCP) | 5 | 5 | 3.5 | Yes | Analysis |
| 14 | Capricorn Qualifying August 2022 (U16) | 2022-08-20 | 2022-08-20 | Standard | Capricorn (LCP) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentLimpopo Junior Trials 2024 | TournamentMzansi Interprovincial Youth Chess Championships 2024 | ||||||
| date2024-10-05 | rnd3 | typeStandard | result1 | date2024-12-17 | rnd3 | typeStandard | result0.5 | ||
| OpponentDicks, E (Enrico) | OpponentMaruma, K (Katlego) | ||||||||
| 2 | 5 | TournamentWaterberg Junior Qualifying 1 2025 | TournamentNABOOMSPAR Open Chess Tournament 21 Mar 2025 | ||||||
| date2025-02-22 | rnd4 | typeStandard | result1 | date2025-03-21 | rnd3 | typeRapid | result1 | ||
| OpponentShayi, C (Caroline) | OpponentPretorius, X (Xuan) | ||||||||
| 3 | 4 | TournamentMzansi Interprovincial Youth Chess Championships 2024 | TournamentWaterberg Junior Qualifying 1 2025 | ||||||
| date2024-12-18 | rnd6 | typeStandard | result0.5 | date2025-02-22 | rnd2 | typeStandard | result1 | ||
| OpponentBojana, S (Singisile) | OpponentPretorius, D (Danielle) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentLimpopo Junior Trials 2024 | TournamentMzansi Interprovincial Youth Chess Championships 2024 | ||||||
| date2024-10-05 | rnd3 | typeStandard | result1 | date2024-12-17 | rnd3 | typeStandard | result0.5 | ||
| OpponentDicks, E (Enrico) | OpponentMaruma, K (Katlego) | ||||||||
| 2 | 4 | TournamentMzansi Interprovincial Youth Chess Championships 2024 | TournamentWaterberg Junior Qualifying 1 2025 | ||||||
| date2024-12-18 | rnd6 | typeStandard | result0.5 | date2025-02-22 | rnd2 | typeStandard | result1 | ||
| OpponentBojana, S (Singisile) | OpponentPretorius, D (Danielle) | ||||||||
| 3 | 3 | TournamentWaterberg Qualfying 2024 | TournamentCapricorn Junior Qualifying 6 2024 | ||||||
| date2024-07-19 | rnd5 | typeStandard | result1 | date2024-09-14 | rnd2 | typeStandard | result0.5 | ||
| OpponentGwenda, M (Mosese) | OpponentChokoe, L (Lesiba) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentNylstroom Modimolle Open Chess Tournament 15 June 2024 | TournamentNABOOMSPAR Open Chess Tournament 21 Mar 2025 | ||||||
| date2024-06-15 | rnd3 | typeRapid | result1 | date2025-03-21 | rnd3 | typeRapid | result1 | ||
| OpponentSchoeman, A (Anthony) | OpponentPretorius, X (Xuan) | ||||||||
| 2 | 4 | TournamentNWU Super 16 2024 | TournamentNylstroom Modimolle Open Chess Tournament 15 June 2024 | ||||||
| date2024-04-19 | rnd4 | typeRapid | result1 | date2024-06-15 | rnd1 | typeRapid | result1 | ||
| OpponentKasselman, J (Johan) | OpponentStorbeck, M (Mareus) | ||||||||
| 3 | 4 | TournamentNWU Super 16 2023 | TournamentNWU Super 16 2023 | ||||||
| date2023-04-21 | rnd2 | typeRapid | result0.5 | date2023-04-21 | rnd5 | typeRapid | result1 | ||
| OpponentSibanda, S (Samuel) | OpponentTolmay, F (Frikkie George) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentWaterberg Junior Qualifying 1 2025 | TournamentNABOOMSPAR Open Chess Tournament 21 Mar 2025 | ||||||
| date2025-02-22 | rnd4 | typeStandard | result1 | date2025-03-21 | rnd3 | typeRapid | result1 | ||
| OpponentShayi, C (Caroline) | OpponentPretorius, X (Xuan) | ||||||||
| 2 | 3 | TournamentMzansi Interprovincial Youth Chess Championships 2024 | TournamentWaterberg Junior Qualifying 1 2025 | ||||||
| date2024-12-19 | rnd7 | typeStandard | result1 | date2025-02-22 | rnd2 | typeStandard | result1 | ||
| OpponentMahomed, I (Ishaan) | OpponentPretorius, D (Danielle) | ||||||||
| 3 | 3 | TournamentNABOOMSPAR Open Chess Tournament 2024 | TournamentNABOOMSPAR Open Chess Tournament 2024 | ||||||
| date2024-04-27 | rnd2 | typeStandard | result1 | date2024-04-27 | rnd4 | typeStandard | result1 | ||
| OpponentNkgodi, T (Tiisetso) | OpponentVan Rensburg, W (Wian) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentMzansi Interprovincial Youth Chess Championships 2024 | TournamentWaterberg Junior Qualifying 1 2025 | ||||||
| date2024-12-19 | rnd7 | typeStandard | result1 | date2025-02-22 | rnd2 | typeStandard | result1 | ||
| OpponentMahomed, I (Ishaan) | OpponentPretorius, D (Danielle) | ||||||||
| 2 | 3 | TournamentNABOOMSPAR Open Chess Tournament 2024 | TournamentNABOOMSPAR Open Chess Tournament 2024 | ||||||
| date2024-04-27 | rnd2 | typeStandard | result1 | date2024-04-27 | rnd4 | typeStandard | result1 | ||
| OpponentNkgodi, T (Tiisetso) | OpponentVan Rensburg, W (Wian) | ||||||||
| 3 | 3 | TournamentCapricorn District Chess Junior Qualifying Tournament 2024 | TournamentCapricorn District Chess Junior Qualifying Tournament 2024 | ||||||
| date2024-02-10 | rnd2 | typeStandard | result1 | date2024-02-10 | rnd4 | typeStandard | result1 | ||
| OpponentRamashilo, K (Kgotsofatso) | OpponentMowasa, M (Mohapi) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentNWU Super 16 2024 | TournamentNylstroom Modimolle Open Chess Tournament 15 June 2024 | ||||||
| date2024-04-19 | rnd4 | typeRapid | result1 | date2024-06-15 | rnd1 | typeRapid | result1 | ||
| OpponentKasselman, J (Johan) | OpponentStorbeck, M (Mareus) | ||||||||
| 2 | 3 | TournamentNABOOMSPAR Open Chess Tournament 21 Mar 2025 | TournamentNABOOMSPAR Open Chess Tournament 21 Mar 2025 | ||||||
| date2025-03-21 | rnd1 | typeRapid | result1 | date2025-03-21 | rnd3 | typeRapid | result1 | ||
| OpponentBaloyi, M (Michael) | OpponentPretorius, X (Xuan) | ||||||||
| 3 | 3 | TournamentNWU Super 16 2023 | TournamentNWU Super 16 2023 | ||||||
| date2023-04-21 | rnd3 | typeRapid | result1 | date2023-04-21 | rnd5 | typeRapid | result1 | ||
| OpponentBowles, B (Brandon) | OpponentTolmay, F (Frikkie George) | ||||||||
| # | 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 | Pretorius ,Y (Yannich) | 3 | 1.5 | 0 | 3 | 1.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1379.9 | 1379.9 | 1363.7 | 1379.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Moroaswi ,T (Tlhakodisho) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1488.3 | 1063.3 | 1487.9 | 1063.3 | 0 | 0 | 0 | 0 | ||||||
| 3 | Rampfomedzi ,M (Malanga) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1424.8 | 999.8 | 1438.2 | 999.8 | 0 | 0 | 0 | 0 | ||||||
| 4 | Mowasa ,M (Mohapi) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1263.3 | 1688.3 | 1272.4 | 1688.3 | 0 | 0 | 0 | 0 | ||||||
| 5 | Mehta ,A (Aryan) | 2 | 0 | -425 | 0 | 0 | 0 | 2 | 0 | -425 | 0 | 0 | 0 |
| 1458.7 | 1033.7 | 0 | 0 | 1258.4 | 1033.7 | 0 | 0 | ||||||
| 6 | Mothiba ,T (Takalo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 7 | Matladi ,K (Karabo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1240.9 | 1665.9 | 1248.7 | 1665.9 | 0 | 0 | 0 | 0 | ||||||
| 8 | Neethling ,T (Tristan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 985.2 | 1410.2 | 960.8 | 1410.2 | 0 | 0 | 0 | 0 | ||||||
| 9 | Harry ,S (Sean) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Motimela ,M (Mokibelo Prince Percy Ju) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1164.7 | 1589.7 | 1150 | 1589.7 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

