PLAYER PAGE
Personal
Coetzee, A (Adriaan)
Chess SA id
1150136649FIDE id
?Date of birth
2015-08-12 (U12)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
YesLast active game
2025-03-22Personal details last changed
1900-01-01Junior GPX Games
25Junior GPX Points
1262.7| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1257.3 | 1248.7 | 1200 | 1200 |
| Raw rating | 1257.3 | 1248.7 | 1200 | 1200 |
| Weighted rating | 1238.3 | 1231.7 | 1200 | 1200 |
| Weighted performance | 1138.2 | 1133.8 | 0 | 0 |
| Floor | 817.2 | 812.5 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 152.8 | 154.7 | 165.8 | 165.8 |
| Highest rating | 1317.22025-03-01 | 1312.52025-03-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1317.22025-03-01 | 1312.52025-03-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1317.22018-10-01 | 1312.52018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1317.22025-03-01 | 1312.52025-01-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1257.3 | 1248.7 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1257.3 | 1248.7 | 1200 | 1200 |
| Raw rating | 1257.3 | 1248.7 | 1200 | 1200 |
| Weighted rating | 1238.3 | 1231.7 | 1200 | |
| Weighted performance | 1138.2 | 1133.8 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 817.2 | 812.5 | 700 | 700 |
| Max/Min rating change allowed | 152.8 | 154.7 | 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 | 1257.3 | 1248.7 | 1200 | 1200 |
| New weighted rating | 1243 | 1236.2 | 1200 | 1200 |
| New weighted performance | 1137.7 | 1133.4 | 0 | 0 |
| Temp new rating | 1257.3 | 1248.7 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1257.3 | 1248.7 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 817.2 | 812.5 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 15 | 15 | 0 | 0 | |
| 44 | 44 | 0 | 0 | |
| 30 | 30 | 0 | 0 | |
| 24 | 24 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 113 | 113 | 0 | 0 |
| Games since | |||||||||||||||||
| Main64 | Standard64 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U12 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 3558 | 1159 | 414 | ||||||||||||||
| Male | 2746 | 901 | 318 | ||||||||||||||
| U12 | 560 | 186 | 67 | ||||||||||||||
| U12 Male | 392 | 132 | 44 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 3527 | 1250 | 484 | ||||||||||||||
| Male | 2709 | 970 | 371 | ||||||||||||||
| U12 | 541 | 201 | 79 | ||||||||||||||
| U12 Male | 380 | 140 | 51 | ||||||||||||||
| 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 | 15 | 6.5 | 43.33 | -56.7 | 1251.6 | 1195 |
| Standard | 15 | 6.5 | 43.33 | -56.7 | 1251.6 | 1195 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 113 | 43 | 38.05 | -101.5 | 1216.7 | 1115.1 |
| Standard | 113 | 43 | 38.05 | -101.5 | 1216.7 | 1115.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1257.3 | 1248.7 | 1200 | 1200 |
| 2025-09-01 | 1257.3 | 1248.7 | 1200 | 1200 |
| 2025-08-01 | 1257.3 | 1248.7 | 1200 | 1200 |
| 2025-07-01 | 1257.3 | 1248.7 | 1200 | 1200 |
| 2025-06-01 | 1257.3 | 1248.7 | 1200 | 1200 |
| 2025-05-01 | 1257.3 | 1248.7 | 1200 | 1200 |
| 2025-04-01 | 1257.3 | 1248.7 | 1200 | 1200 |
| 2025-03-01 | 1317.2 | 1312.5 | 1200 | 1200 |
| 2025-02-01 | 1271.7 | 1261.9 | 1200 | 1200 |
| 2025-01-01 | 1296.5 | 1291.7 | 1200 | 1200 |
| 2024-12-01 | 1204.7 | 1201.9 | 1200 | 1200 |
| 2024-11-01 | 1195.4 | 1190.7 | 1200 | 1200 |
| 2024-10-01 | 1195.4 | 1190.7 | 1200 | 1200 |
| 2024-09-01 | 1204.2 | 1200.4 | 1200 | 1200 |
| 2024-08-01 | 1204.2 | 1200.4 | 1200 | 1200 |
| 2024-07-01 | 1204.2 | 1200.4 | 1200 | 1200 |
| 2024-06-01 | 1222.8 | 1219.8 | 1200 | 1200 |
| 2024-08-01 | 1222.8 | 1219.8 | 1200 | 1200 |
| 2024-04-01 | 1222.8 | 1219.8 | 1200 | 1200 |
| 2024-03-01 | 1162.5 | 1160.1 | 1200 | 1200 |
| 2024-02-01 | 1027.6 | 1028 | 1200 | 1200 |
| 2024-01-01 | 998.3 | 990 | 1200 | 1200 |
| 2023-12-01 | 998.3 | 990 | 1200 | 1200 |
| 2023-11-01 | 998.3 | 990 | 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 | Lubowski Open 2025 (D2) | 2025-03-21 | 2025-03-22 | Standard | Tshwane (GTP) | 5 | 5 | 1.5 | Yes | Analysis |
| 2 | Constantiapark Open 2025 (U12) | 2025-02-15 | 2025-02-15 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 3 | 2025 Tshwane Chess OPEN Registration Tournament (U12) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Lubowski Open 2025 (D2) | 2025-03-21 | 2025-03-22 | Standard | Tshwane (GTP) | 5 | 5 | 1.5 | Yes | Analysis |
| 2 | Constantiapark Open 2025 (U12) | 2025-02-15 | 2025-02-15 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 3 | 2025 Tshwane Chess OPEN Registration Tournament (U12) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 4 | Gauteng Inter-Region at UJ 2024 (U10 Candidates) | 2024-12-07 | 2024-12-08 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 5 | Yes | Analysis |
| 5 | Lardies Ope 2024 (U10) | 2024-10-26 | 2024-10-26 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 6 | 2024 Etienne Lewis (U10) | 2024-08-30 | 2024-09-01 | Standard | Tshwane (GTP) | 7 | 7 | 3 | Yes | Analysis |
| 7 | 2024 Elise Steenkamp Open Chess Tournament (Queens) | 2024-06-15 | 2024-06-17 | Standard | Tshwane (GTP) | 7 | 7 | 2.5 | Yes | Analysis |
| 8 | 2024 Wynie Robbertse Chess Tournament (E) | 2024-03-02 | 2024-03-02 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 9 | 2024 Constantiapark Open (E) | 2024-02-17 | 2024-02-17 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 10 | 2024 Tshwane Chess OPEN Registration Tournament (E) | 2024-01-27 | 2024-01-27 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 11 | 2024 Gauteng Inter-Region Chess Championship (U12C) | 2024-01-13 | 2024-01-14 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 12 | Lardies Open Tournament 2023 (D1) | 2023-10-28 | 2023-10-28 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 13 | 2023 Etienne Lewis Closed Tournament (U10) | 2023-08-25 | 2023-08-27 | Standard | Tshwane (GTP) | 7 | 7 | 2 | Yes | Analysis |
| 14 | 2023 Lubowski Open Tournament (E) | 2023-06-24 | 2023-06-25 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
| 15 | 2023 Afrikaans Hoër Seunskool Open Chess Tournament (E) | 2023-03-04 | 2023-03-04 | Standard | Tshwane (GTP) | 5 | 4 | 0.5 | Yes | Analysis |
| 16 | Laerskool Constantiapark Open Chess Tournament 2023 (U10) | 2023-02-18 | 2023-02-18 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 17 | 2023 Tshwane Chess Open Registration Tournament (E) | 2023-01-28 | 2023-01-28 | Standard | Tshwane (GTP) | 5 | 5 | 1.5 | Yes | Analysis |
| 18 | 2022 South African Junior Team Chess Championships (U8 Open+Girls) | 2022-12-04 | 2022-12-08 | Standard | 4 Knights (4K) | 7 | 5 | 1 | Yes | Analysis |
| 19 | 2022 Etienne Lewis (U8 Open+Girls) | 2022-09-03 | 2022-09-03 | Standard | Tshwane (GTP) | 5 | 5 | 0 | Yes | Analysis |
| 20 | 2022 Menlo Open Tournament (F) | 2022-07-23 | 2022-07-23 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
| 21 | 2022 Blou Bul Open (F) | 2022-06-25 | 2022-06-25 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 22 | 2022 Tshwane Chess Open Registration Tournament (F) | 2022-01-29 | 2022-01-29 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentGauteng Inter-Region at UJ 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-12-07 | rnd1 | typeStandard | result1 | date2024-12-08 | rnd5 | typeStandard | result1 | ||
| OpponentNaicker, K (Kahlayo) | OpponentDintlhe, B (Bokang) | ||||||||
| 2 | 3 | Tournament2024 Wynie Robbertse Chess Tournament | Tournament2024 Wynie Robbertse Chess Tournament | ||||||
| date2024-03-02 | rnd2 | typeStandard | result1 | date2024-03-02 | rnd4 | typeStandard | result1 | ||
| OpponentVenter, S (Stephan) | OpponentJansen Van Vuuren, G (Griffin) | ||||||||
| 3 | 3 | Tournament2024 Constantiapark Open | Tournament2024 Constantiapark Open | ||||||
| date2024-02-17 | rnd3 | typeStandard | result1 | date2024-02-17 | rnd5 | typeStandard | result1 | ||
| OpponentMarais, L (Leja) | OpponentVounatsos, L (Lei) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentGauteng Inter-Region at UJ 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-12-07 | rnd1 | typeStandard | result1 | date2024-12-08 | rnd5 | typeStandard | result1 | ||
| OpponentNaicker, K (Kahlayo) | OpponentDintlhe, B (Bokang) | ||||||||
| 2 | 3 | Tournament2024 Wynie Robbertse Chess Tournament | Tournament2024 Wynie Robbertse Chess Tournament | ||||||
| date2024-03-02 | rnd2 | typeStandard | result1 | date2024-03-02 | rnd4 | typeStandard | result1 | ||
| OpponentVenter, S (Stephan) | OpponentJansen Van Vuuren, G (Griffin) | ||||||||
| 3 | 3 | Tournament2024 Constantiapark Open | Tournament2024 Constantiapark Open | ||||||
| date2024-02-17 | rnd3 | typeStandard | result1 | date2024-02-17 | rnd5 | typeStandard | result1 | ||
| OpponentMarais, L (Leja) | OpponentVounatsos, L (Lei) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentGauteng Inter-Region at UJ 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-12-07 | rnd1 | typeStandard | result1 | date2024-12-08 | rnd5 | typeStandard | result1 | ||
| OpponentNaicker, K (Kahlayo) | OpponentDintlhe, B (Bokang) | ||||||||
| 2 | 3 | Tournament2024 Wynie Robbertse Chess Tournament | Tournament2024 Wynie Robbertse Chess Tournament | ||||||
| date2024-03-02 | rnd2 | typeStandard | result1 | date2024-03-02 | rnd4 | typeStandard | result1 | ||
| OpponentVenter, S (Stephan) | OpponentJansen Van Vuuren, G (Griffin) | ||||||||
| 3 | 3 | Tournament2024 Constantiapark Open | Tournament2024 Constantiapark Open | ||||||
| date2024-02-17 | rnd3 | typeStandard | result1 | date2024-02-17 | rnd5 | typeStandard | result1 | ||
| OpponentMarais, L (Leja) | OpponentVounatsos, L (Lei) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentGauteng Inter-Region at UJ 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-12-07 | rnd1 | typeStandard | result1 | date2024-12-08 | rnd5 | typeStandard | result1 | ||
| OpponentNaicker, K (Kahlayo) | OpponentDintlhe, B (Bokang) | ||||||||
| 2 | 3 | Tournament2024 Wynie Robbertse Chess Tournament | Tournament2024 Wynie Robbertse Chess Tournament | ||||||
| date2024-03-02 | rnd2 | typeStandard | result1 | date2024-03-02 | rnd4 | typeStandard | result1 | ||
| OpponentVenter, S (Stephan) | OpponentJansen Van Vuuren, G (Griffin) | ||||||||
| 3 | 3 | Tournament2024 Constantiapark Open | Tournament2024 Constantiapark Open | ||||||
| date2024-02-17 | rnd3 | typeStandard | result1 | date2024-02-17 | rnd5 | typeStandard | result1 | ||
| OpponentMarais, L (Leja) | OpponentVounatsos, L (Lei) | ||||||||
| # | 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 | Minny ,L (Lunka) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1185.7 | 1044.1 | 1185.8 | 1044.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Vermaak ,A (Alri) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1308.5 | 883.5 | 1313.7 | 883.5 | 0 | 0 | 0 | 0 | ||||||
| 3 | Westermann ,I (Inge) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1160.7 | 1019 | 1159.2 | 1019 | 0 | 0 | 0 | 0 | ||||||
| 4 | Kgwale ,I (Itumeleng) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1132.3 | 1274 | 1144.6 | 1274 | 0 | 0 | 0 | 0 | ||||||
| 5 | Vorster ,J (James) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1162.8 | 1162.8 | 1155.1 | 1162.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Janse Van Rensburg ,A (Ava) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1227.6 | 802.6 | 1222.9 | 802.6 | 0 | 0 | 0 | 0 | ||||||
| 7 | Leshabane ,L (Lesego) | 2 | 0.5 | -212.5 | 2 | 0.5 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1178.2 | 965.7 | 1178.8 | 965.7 | 0 | 0 | 0 | 0 | ||||||
| 8 | Rahlaga ,K (Kaelo Alupheli) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1418.4 | 993.4 | 1409.6 | 993.4 | 0 | 0 | 0 | 0 | ||||||
| 9 | Joubert ,J (Joshua) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1138.1 | 713.1 | 1227.9 | 713.1 | 0 | 0 | 0 | 0 | ||||||
| 10 | Conradie ,I (Ingrid) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1265.9 | 840.9 | 1260.3 | 840.9 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|