PLAYER PAGE
Personal
Opperman, J (Jordan)
Chess SA id
1140134242FIDE id
?Date of birth
2014-03-14 (U12)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-15Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1341 | 1333.3 | 1200 | 1200 |
| Raw rating | 1329.8 | 1320.9 | 1200 | 1200 |
| Weighted rating | 1341 | 1333.3 | 1200 | 1200 |
| Weighted performance | 1137.3 | 1134.3 | 0 | 0 |
| Floor | 869.1 | 866.1 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 137.8 | 139.6 | 165.8 | 165.8 |
| Highest rating | 13842024-01-01 | 13812024-01-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1369.12024-02-01 | 1366.12024-02-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1342.12025-08-01 | 1334.82025-08-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 13842024-01-01 | 13812024-01-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -0.7 | -0.9 | 0 | 0 |
| New rating | 1340.3 | 1332.4 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1341 | 1333.3 | 1200 | 1200 |
| Raw rating | 1329.8 | 1320.9 | 1200 | 1200 |
| Weighted rating | 1341 | 1333.3 | 1200 | |
| Weighted performance | 1137.3 | 1134.3 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 869.1 | 866.1 | 700 | 700 |
| Max/Min rating change allowed | 137.8 | 139.6 | 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 | 1329.8 | 1320.9 | 1200 | 1200 |
| New weighted rating | 1340.3 | 1332.4 | 1200 | 1200 |
| New weighted performance | 1136.9 | 1133.8 | 0 | 0 |
| Temp new rating | 1340.3 | 1332.4 | 1200 | 1200 |
| Temp new rating +/- | -0.7 | -0.9 | 0 | 0 |
| Final new rating +/- | -0.7 | -0.9 | 0 | 0 |
| New rating | 1340.3 | 1332.4 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 869.1 | 866.1 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 19 | 19 | 0 | 0 | |
| 42 | 42 | 0 | 0 | |
| 29 | 29 | 0 | 0 | |
| 11 | 11 | 0 | 0 | |
| History | 106 | 106 | 0 | 0 |
| Games since | |||||||||||||||||
| Main24 | Standard24 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U12 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 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 | 5 | 3 | 60 | 85 | 1192.6 | 1277.6 |
| Standard | 5 | 3 | 60 | 85 | 1192.6 | 1277.6 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 106 | 61 | 57.55 | 64.2 | 1219.1 | 1283.3 |
| Standard | 106 | 61 | 57.55 | 64.2 | 1219.1 | 1283.3 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1329.8 | 1320.9 | 1200 | 1200 |
| 2025-09-01 | 1329.8 | 1320.9 | 1200 | 1200 |
| 2025-08-01 | 1342.1 | 1334.8 | 1200 | 1200 |
| 2025-07-01 | 1341.9 | 1334.2 | 1200 | 1200 |
| 2025-06-01 | 1341.9 | 1333.7 | 1200 | 1200 |
| 2025-05-01 | 1341.9 | 1333.7 | 1200 | 1200 |
| 2025-04-01 | 1341.9 | 1333.7 | 1200 | 1200 |
| 2025-03-01 | 1341.9 | 1333.7 | 1200 | 1200 |
| 2025-02-01 | 1341.9 | 1333.7 | 1200 | 1200 |
| 2025-01-01 | 1341.9 | 1333.7 | 1200 | 1200 |
| 2024-12-01 | 1341.9 | 1333.7 | 1200 | 1200 |
| 2024-11-01 | 1341.9 | 1333.7 | 1200 | 1200 |
| 2024-10-01 | 1341.9 | 1333.7 | 1200 | 1200 |
| 2024-09-01 | 1341.9 | 1333.7 | 1200 | 1200 |
| 2024-08-01 | 1351.8 | 1345.9 | 1200 | 1200 |
| 2024-07-01 | 1351.8 | 1345.9 | 1200 | 1200 |
| 2024-06-01 | 1351.8 | 1345.9 | 1200 | 1200 |
| 2024-08-01 | 1351.8 | 1345.9 | 1200 | 1200 |
| 2024-04-01 | 1351.8 | 1345.9 | 1200 | 1200 |
| 2024-03-01 | 1351.8 | 1345.9 | 1200 | 1200 |
| 2024-02-01 | 1369.1 | 1366.1 | 1200 | 1200 |
| 2024-01-01 | 1297.8 | 1293.9 | 1200 | 1200 |
| 2023-12-01 | 1297.8 | 1293.9 | 1200 | 1200 |
| 2023-11-01 | 1297.8 | 1293.9 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Tshwane South School District CLOSED League Championship (U11A) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Tshwane South School District CLOSED League Championship (U11A) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 2 | D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A) | 2024-08-03 | 2024-08-03 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 3 | 2024 Blou Bul Open Chess Tournament (D) | 2024-02-10 | 2024-02-10 | Standard | Tshwane (GTP) | 5 | 4 | 2 | Yes | Analysis |
| 4 | 2024 Tshwane Chess OPEN Registration Tournament (D1) | 2024-01-27 | 2024-01-27 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 5 | 2024 Gauteng Inter-Region Chess Championship (U10B) | 2024-01-13 | 2024-01-14 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 6 | 2023 Gauteng Top Schools (U9 Mixed) | 2023-08-18 | 2023-08-18 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 7 | 2023 Woman's Day Open Chess Tournament (Knight) | 2023-08-09 | 2023-08-09 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 8 | 2023 Etienne Lewis Closed Tournament (U10) | 2023-08-25 | 2023-08-27 | Standard | Tshwane (GTP) | 7 | 7 | 5 | Yes | Analysis |
| 9 | 2023 Tshwane South School District CLOSED League Championship (U9) | 2023-07-29 | 2023-07-29 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 10 | 2023 Menlo Open Tournament (D) | 2023-07-22 | 2023-07-22 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 11 | 2023 Lubowski Open Tournament (E) | 2023-06-24 | 2023-06-25 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 12 | 2023 Milos Ristic Open Tournament (E) | 2023-04-27 | 2023-04-27 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 13 | Chris Greyling Open Tournament 2023 (E) | 2023-03-21 | 2023-03-21 | Standard | Tshwane (GTP) | 5 | 5 | 3.5 | Yes | Analysis |
| 14 | Tuks Junior Developmental Tournament 2022 (Yellow) | 2022-08-06 | 2022-08-06 | Standard | Tshwane (GTP) | 5 | 5 | 3.5 | Yes | Analysis |
| 15 | 2022 Alekhine Open (E) | 2022-08-13 | 2022-08-13 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 16 | 2022 Gauteng Schools Team Championships (U9 Open) | 2022-08-27 | 2022-08-27 | Standard | Tshwane (GTP) | 5 | 4 | 3 | Yes | Analysis |
| 17 | D4 Play Offs 2022 (U9) | 2022-07-30 | 2022-07-30 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 18 | 2022 Menlo Open Tournament (E) | 2022-07-23 | 2022-07-23 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 19 | CP Ope 2022 (E) | 2022-02-19 | 2022-02-19 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 20 | 2021 Etienne Lewis Closed Trials (U8 Open) | 2021-09-24 | 2021-09-24 | Standard | Nelson Mandela Bay (ENM) | 7 | 7 | 4 | Yes | Analysis |
| 21 | 2021 Chris Greyling Open Tournament (F) | 2021-05-08 | 2021-05-08 | Standard | Tshwane (GTP) | 5 | 4 | 1.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Tournament2021 Etienne Lewis Closed Trials | TournamentCP Ope 2022 | ||||||
| date2021-09-24 | rnd5 | typeStandard | result1 | date2022-02-19 | rnd4 | typeStandard | result1 | ||
| OpponentBotha, G (Gregory) | OpponentVan Niekerk, A (Arike) | ||||||||
| 2 | 5 | Tournament2024 Gauteng Inter-Region Chess Championship | Tournament2024 Tshwane Chess OPEN Registration Tournament | ||||||
| date2024-01-13 | rnd3 | typeStandard | result1 | date2024-01-27 | rnd2 | typeStandard | result1 | ||
| OpponentMochoanchoeng, T (Thato) | OpponentLe Roux, J (Johannes) | ||||||||
| 3 | 5 | TournamentChris Greyling Open Tournament 2023 | Tournament2023 Milos Ristic Open Tournament | ||||||
| date2023-03-21 | rnd3 | typeStandard | result1 | date2023-04-27 | rnd2 | typeStandard | result1 | ||
| OpponentDanzfuss, E (Edrich) | OpponentBornman, R (Rousseau) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Tournament2021 Etienne Lewis Closed Trials | TournamentCP Ope 2022 | ||||||
| date2021-09-24 | rnd5 | typeStandard | result1 | date2022-02-19 | rnd4 | typeStandard | result1 | ||
| OpponentBotha, G (Gregory) | OpponentVan Niekerk, A (Arike) | ||||||||
| 2 | 5 | Tournament2024 Gauteng Inter-Region Chess Championship | Tournament2024 Tshwane Chess OPEN Registration Tournament | ||||||
| date2024-01-13 | rnd3 | typeStandard | result1 | date2024-01-27 | rnd2 | typeStandard | result1 | ||
| OpponentMochoanchoeng, T (Thato) | OpponentLe Roux, J (Johannes) | ||||||||
| 3 | 5 | TournamentChris Greyling Open Tournament 2023 | Tournament2023 Milos Ristic Open Tournament | ||||||
| date2023-03-21 | rnd3 | typeStandard | result1 | date2023-04-27 | rnd2 | typeStandard | result1 | ||
| OpponentDanzfuss, E (Edrich) | OpponentBornman, R (Rousseau) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2024 Gauteng Inter-Region Chess Championship | Tournament2024 Tshwane Chess OPEN Registration Tournament | ||||||
| date2024-01-13 | rnd3 | typeStandard | result1 | date2024-01-27 | rnd2 | typeStandard | result1 | ||
| OpponentMochoanchoeng, T (Thato) | OpponentLe Roux, J (Johannes) | ||||||||
| 2 | 4 | Tournament2023 Etienne Lewis Closed Tournament | Tournament2024 Gauteng Inter-Region Chess Championship | ||||||
| date2023-08-27 | rnd5 | typeStandard | result1 | date2024-01-13 | rnd1 | typeStandard | result1 | ||
| OpponentWestermann, I (Inge) | OpponentErasmus, S (Sonja) | ||||||||
| 3 | 3 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2024-08-03 | rnd5 | typeStandard | result1 | date2025-08-15 | rnd2 | typeStandard | result1 | ||
| OpponentNel, J (Joubert) | OpponentVan Der Walt, C (Christoffel) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2024 Gauteng Inter-Region Chess Championship | Tournament2024 Tshwane Chess OPEN Registration Tournament | ||||||
| date2024-01-13 | rnd3 | typeStandard | result1 | date2024-01-27 | rnd2 | typeStandard | result1 | ||
| OpponentMochoanchoeng, T (Thato) | OpponentLe Roux, J (Johannes) | ||||||||
| 2 | 4 | Tournament2023 Etienne Lewis Closed Tournament | Tournament2024 Gauteng Inter-Region Chess Championship | ||||||
| date2023-08-27 | rnd5 | typeStandard | result1 | date2024-01-13 | rnd1 | typeStandard | result1 | ||
| OpponentWestermann, I (Inge) | OpponentErasmus, S (Sonja) | ||||||||
| 3 | 3 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2024-08-03 | rnd5 | typeStandard | result1 | date2025-08-15 | rnd2 | typeStandard | result1 | ||
| OpponentNel, J (Joubert) | OpponentVan Der Walt, C (Christoffel) | ||||||||
| # | 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 | De Beer ,L (Liam Nicolaas) | 5 | 1 | -255 | 5 | 1 | -255 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1269 | 1014 | 1264.9 | 1014 | 0 | 0 | 0 | 0 | ||||||
| 2 | Bornman ,R (Rousseau) | 4 | 3.5 | 318.8 | 4 | 3.5 | 318.8 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1176.9 | 1495.7 | 1179.3 | 1495.7 | 0 | 0 | 0 | 0 | ||||||
| 3 | Pistorius ,A (Anabelle) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1185.4 | 760.4 | 1177 | 760.4 | 0 | 0 | 0 | 0 | ||||||
| 4 | Du Plessis ,M (Mia) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1284.6 | 1142.9 | 1282.7 | 1142.9 | 0 | 0 | 0 | 0 | ||||||
| 5 | Van Der Wath ,L (Logan) | 2 | 0.5 | -212.5 | 2 | 0.5 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1130.1 | 917.6 | 1117.7 | 917.6 | 0 | 0 | 0 | 0 | ||||||
| 6 | Westermann ,I (Inge) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1141.1 | 1566.1 | 1138.8 | 1566.1 | 0 | 0 | 0 | 0 | ||||||
| 7 | Aikman ,D (Desmond Gustav) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1088.6 | 1088.6 | 1101.7 | 1088.6 | 0 | 0 | 0 | 0 | ||||||
| 8 | Barkhuizen ,SJ (Simon Jurgens) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1348.1 | 923.1 | 1355.2 | 923.1 | 0 | 0 | 0 | 0 | ||||||
| 9 | Keyter ,A (Alissa) | 2 | 0.5 | -212.5 | 2 | 0.5 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1312.1 | 1099.6 | 1311.2 | 1099.6 | 0 | 0 | 0 | 0 | ||||||
| 10 | Van Der Merwe ,ZC (Zander Christiaan) | 2 | 1.5 | 212.5 | 2 | 1.5 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1289.8 | 1502.2 | 1288.4 | 1502.2 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|