PLAYER PAGE
Personal
Prinsloo, JJ (Johannes Jacobus)
Chess SA id
100031128FIDE id
?Date of birth
2000-03-10 (Adult)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2021-11-24Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1396 | 1394.7 | 1369.4 | 1352.7 |
| Raw rating | 1396 | 1394.7 | 1369.4 | 1352.7 |
| Weighted rating | 1396 | 1394.7 | 1369.4 | 1352.7 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 896 | 898.5 | 869.4 | 869.4 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 125.4 | 125.6 | 130.3 | 133.4 |
| Highest rating | 13962024-03-01 | 1438.22018-08-01 | 1369.42019-06-01 | 1369.42018-01-01 |
| Highest raw rating | 13962024-03-01 | 1398.52019-12-01 | 1369.42024-03-01 | 1369.42018-01-01 |
| Highest weighted rating | 13962024-03-01 | 1398.52020-08-01 | 1369.42019-06-01 | 1369.42018-01-01 |
| Highest weighted performance | 1367.52018-08-01 | 1438.22018-08-01 | 12002024-03-01 | 1330.52018-01-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1396 | 1394.7 | 1369.4 | 1352.7 |
| Analysis | ||||
| Rating | 1396 | 1394.7 | 1369.4 | 1352.7 |
| Raw rating | 1396 | 1394.7 | 1369.4 | 1352.7 |
| Weighted rating | 1396 | 1394.7 | 1369.4 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 896 | 898.5 | 869.4 | 869.4 |
| Max/Min rating change allowed | 125.4 | 125.6 | 130.3 | 133.4 |
| 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 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| New weighted rating | 1396 | 1394.7 | 1369.4 | 1352.7 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1396 | 1394.7 | 1369.4 | 1352.7 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1396 | 1394.7 | 1369.4 | 1352.7 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 896 | 898.5 | 869.4 | 869.4 |
| 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 | |
| 9 | 2 | 0 | 7 | |
| History | 588 | 533 | 27 | 28 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult 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 | 14.5 | 55.77 | 49 | 1350.9 | 1399.9 |
| Standard | 12 | 9 | 75 | 212.5 | 1170.4 | 1382.9 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 14 | 5.5 | 39.29 | -91.1 | 1505.5 | 1414.5 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2025-09-30 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2025-09-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2025-08-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2025-07-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2025-06-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2025-05-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2025-04-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2025-03-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2025-02-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2025-01-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2024-12-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2024-11-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2024-10-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2024-09-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2024-08-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2024-07-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2024-09-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2024-05-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2024-04-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2024-03-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2024-02-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2024-01-01 | 1396 | 1394.7 | 1369.4 | 1352.7 |
| 2023-12-01 | 1396 | 1394.7 | 1369.4 | 1335.5 |
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 | 2021 CCC Inhouse Blitz (A) | 2021-11-24 | 2021-11-24 | Blitz | Tshwane (GTP) | 7 | 7 | 4 | Yes | Analysis |
| 2 | 2021 CCC Inhouse (A) | 2021-10-20 | 2021-11-17 | Standard | Tshwane (GTP) | 5 | 2 | 1 | Yes | Analysis |
| 3 | 2018 D4 Tshwane South Schools League Finals (U19) | 2018-08-04 | 2018-08-04 | Standard | Tshwane (GTP) | 5 | 3 | 1.5 | Yes | Analysis |
| 4 | South African Junior Blitz 2017 Championships (A) | 2018-01-07 | 2018-01-07 | Blitz | 4 Knights (4K) | 7 | 7 | 1.5 | Yes | Analysis |
| 5 | South African Junior Team Championships 2017 (U18C) | 2018-01-04 | 2018-01-08 | Standard | 4 Knights (4K) | 7 | 7 | 6.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentSouth African Junior Team Championships 2017 | TournamentSouth African Junior Team Championships 2017 | ||||||
| date2018-01-04 | rnd1 | typeStandard | result1 | date2018-01-07 | rnd6 | typeStandard | result1 | ||
| OpponentBarnard, N (Nico) | OpponentFlippies, H (Hanze) | ||||||||
| 2 | 2 | Tournament2021 CCC Inhouse Blitz | Tournament2021 CCC Inhouse Blitz | ||||||
| date2021-11-24 | rnd6 | typeBlitz | result1 | date2021-11-24 | rnd7 | typeBlitz | result1 | ||
| OpponentMalan, A (Aiden) | OpponentSnyders, M (Meya) | ||||||||
| 3 | 2 | Tournament2021 CCC Inhouse Blitz | Tournament2021 CCC Inhouse Blitz | ||||||
| date2021-11-24 | rnd2 | typeBlitz | result1 | date2021-11-24 | rnd3 | typeBlitz | result1 | ||
| OpponentPape, Z (Zane) | OpponentPhiri, J (Justice) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentSouth African Junior Team Championships 2017 | Tournament2018 D4 Tshwane South Schools League Finals | ||||||
| date2018-01-04 | rnd1 | typeStandard | result1 | date2018-08-04 | rnd3 | typeStandard | result1 | ||
| OpponentBarnard, N (Nico) | OpponentOosthuizen, DH (Donald) | ||||||||
| 2 | 2 | Tournament2018 D4 Tshwane South Schools League Finals | Tournament2021 CCC Inhouse | ||||||
| date2018-08-04 | rnd5 | typeStandard | result0.5 | date2021-11-10 | rnd4 | typeStandard | result1 | ||
| OpponentVan Der Westhuizen, D (Donald) | OpponentConradie, DCU (Dirk) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2021 CCC Inhouse Blitz | Tournament2021 CCC Inhouse Blitz | ||||||
| date2021-11-24 | rnd6 | typeBlitz | result1 | date2021-11-24 | rnd7 | typeBlitz | result1 | ||
| OpponentMalan, A (Aiden) | OpponentSnyders, M (Meya) | ||||||||
| 2 | 2 | Tournament2021 CCC Inhouse Blitz | Tournament2021 CCC Inhouse Blitz | ||||||
| date2021-11-24 | rnd2 | typeBlitz | result1 | date2021-11-24 | rnd3 | typeBlitz | result1 | ||
| OpponentPape, Z (Zane) | OpponentPhiri, J (Justice) | ||||||||
| 3 | 1 | TournamentSouth African Junior Blitz 2017 Championships | TournamentSouth African Junior Blitz 2017 Championships | ||||||
| date2018-01-07 | rnd4 | typeBlitz | result0.5 | date2018-01-07 | rnd4 | typeBlitz | result0.5 | ||
| OpponentRacaza, S (Sinovuyo) | OpponentRacaza, S (Sinovuyo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentSouth African Junior Team Championships 2017 | TournamentSouth African Junior Team Championships 2017 | ||||||
| date2018-01-04 | rnd1 | typeStandard | result1 | date2018-01-05 | rnd3 | typeStandard | result1 | ||
| OpponentBarnard, N (Nico) | OpponentVan Wyk-Grove, A (Alexander) | ||||||||
| 2 | 2 | Tournament2021 CCC Inhouse Blitz | Tournament2021 CCC Inhouse Blitz | ||||||
| date2021-11-24 | rnd6 | typeBlitz | result1 | date2021-11-24 | rnd7 | typeBlitz | result1 | ||
| OpponentMalan, A (Aiden) | OpponentSnyders, M (Meya) | ||||||||
| 3 | 2 | Tournament2021 CCC Inhouse Blitz | Tournament2021 CCC Inhouse Blitz | ||||||
| date2021-11-24 | rnd2 | typeBlitz | result1 | date2021-11-24 | rnd3 | typeBlitz | result1 | ||
| OpponentPape, Z (Zane) | OpponentPhiri, J (Justice) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentSouth African Junior Team Championships 2017 | Tournament2018 D4 Tshwane South Schools League Finals | ||||||
| date2018-01-06 | rnd5 | typeStandard | result1 | date2018-08-04 | rnd3 | typeStandard | result1 | ||
| OpponentShongoane, T (Tebogo) | OpponentOosthuizen, DH (Donald) | ||||||||
| 2 | 3 | TournamentSouth African Junior Team Championships 2017 | TournamentSouth African Junior Team Championships 2017 | ||||||
| date2018-01-04 | rnd1 | typeStandard | result1 | date2018-01-05 | rnd3 | typeStandard | result1 | ||
| OpponentBarnard, N (Nico) | OpponentVan Wyk-Grove, A (Alexander) | ||||||||
| 3 | 1 | Tournament2021 CCC Inhouse | Tournament2021 CCC Inhouse | ||||||
| date2021-11-10 | rnd4 | typeStandard | result1 | date2021-11-10 | rnd4 | typeStandard | result1 | ||
| OpponentConradie, DCU (Dirk) | OpponentConradie, DCU (Dirk) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2021 CCC Inhouse Blitz | Tournament2021 CCC Inhouse Blitz | ||||||
| date2021-11-24 | rnd6 | typeBlitz | result1 | date2021-11-24 | rnd7 | typeBlitz | result1 | ||
| OpponentMalan, A (Aiden) | OpponentSnyders, M (Meya) | ||||||||
| 2 | 2 | Tournament2021 CCC Inhouse Blitz | Tournament2021 CCC Inhouse Blitz | ||||||
| date2021-11-24 | rnd2 | typeBlitz | result1 | date2021-11-24 | rnd3 | typeBlitz | result1 | ||
| OpponentPape, Z (Zane) | OpponentPhiri, J (Justice) | ||||||||
| 3 | 1 | TournamentSouth African Junior Blitz 2017 Championships | TournamentSouth African Junior Blitz 2017 Championships | ||||||
| date2018-01-07 | rnd2 | typeBlitz | result1 | date2018-01-07 | rnd2 | typeBlitz | result1 | ||
| OpponentMangonyane, PG (Pule) | OpponentMangonyane, PG (Pule) | ||||||||
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 | Pape ,Z (Zane) | 2 | 1 | 0 | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 1 | 425 |
| 1497.6 | 1497.6 | 1490.4 | 1072.6 | 0 | 0 | 1450.3 | 1922.6 | ||||||
| 2 | Van Wyk-Grove ,A (Alexander) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1092.8 | 1517.8 | 1092.8 | 1517.8 | 0 | 0 | 0 | 0 | ||||||
| 3 | Dyalvane ,L (Litha) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1333.9 | 1333.9 | 1333.9 | 1333.9 | 0 | 0 | 0 | 0 | ||||||
| 4 | Flippies ,H (Hanze) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 887 | 1312 | 887 | 1312 | 0 | 0 | 0 | 0 | ||||||
| 5 | Conradie ,DCU (Dirk Cornelis Uys) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 6 | Afrikaner ,M (Marchelino) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 804.4 | 1229.4 | 804.4 | 1229.4 | 0 | 0 | 0 | 0 | ||||||
| 7 | Barnard ,N (Nico) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 533.2 | 958.2 | 533.2 | 958.2 | 0 | 0 | 0 | 0 | ||||||
| 8 | Shongoane ,T (Tebogo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 980 | 1405 | 980 | 1405 | 0 | 0 | 0 | 0 | ||||||
| 9 | Oosthuizen ,DH (Donald Hendrik) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1210.3 | 1635.3 | 1210.3 | 1635.3 | 0 | 0 | 0 | 0 | ||||||
| 10 | Van Der Westhuizen ,D (Donald) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1585.1 | 1585.1 | 1586.4 | 1585.1 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

