PLAYER PAGE
Personal
Muller, J (Jano)
Chess SA id
1140143168FIDE id
?Date of birth
2014-04-17 (U12)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-15Personal details last changed
1900-01-01Junior GPX Games
10Junior GPX Points
1325.2| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1193.4 | 1200.2 | 1200 | 1200 |
| Raw rating | 1193.4 | 1200.2 | 1200 | 1200 |
| Weighted rating | 1146.9 | 1145 | 1200 | 1200 |
| Weighted performance | 1139.8 | 1135.2 | 0 | 0 |
| Floor | 700 | 703.6 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 167.4 | 165.8 | 165.8 | 165.8 |
| Highest rating | 12002018-10-01 | 1203.62023-03-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002019-12-01 | 1203.62023-03-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-10-01 | 1203.62018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002019-12-01 | 12002019-12-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1193.4 | 1200.2 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1193.4 | 1200.2 | 1200 | 1200 |
| Raw rating | 1193.4 | 1200.2 | 1200 | 1200 |
| Weighted rating | 1146.9 | 1145 | 1200 | |
| Weighted performance | 1139.8 | 1135.2 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 703.6 | 700 | 700 |
| Max/Min rating change allowed | 167.4 | 165.8 | 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 | 1193.4 | 1200.2 | 1200 | 1200 |
| New weighted rating | 1150.9 | 1149.8 | 1200 | 1200 |
| New weighted performance | 1132.5 | 1127.9 | 0 | 0 |
| Temp new rating | 1193.4 | 1200.2 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1193.4 | 1200.2 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 703.6 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 46 | 46 | 0 | 0 | |
| 22 | 22 | 0 | 0 | |
| 10 | 10 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 83 | 83 | 0 | 0 |
| Games since | |||||||||||||||||
| Main51 | Standard51 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U12 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 4178 | 1363 | 479 | ||||||||||||||
| Male | 3110 | 1019 | 360 | ||||||||||||||
| U12 | 693 | 221 | 83 | ||||||||||||||
| U12 Male | 475 | 156 | 55 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 4079 | 1453 | 553 | ||||||||||||||
| Male | 3053 | 1098 | 414 | ||||||||||||||
| U12 | 664 | 245 | 97 | ||||||||||||||
| U12 Male | 459 | 173 | 65 | ||||||||||||||
| 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 | 4 | 80 | 255 | 1181.4 | 1436.4 |
| Standard | 5 | 4 | 80 | 255 | 1181.4 | 1436.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 83 | 37.5 | 45.18 | -41 | 1198.8 | 1157.8 |
| Standard | 83 | 37.5 | 45.18 | -41 | 1198.8 | 1157.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1193.4 | 1200.2 | 1200 | 1200 |
| 2025-09-30 | 1193.4 | 1200.2 | 1200 | 1200 |
| 2025-09-01 | 1193.4 | 1200.2 | 1200 | 1200 |
| 2025-08-01 | 1140.2 | 1136.4 | 1200 | 1200 |
| 2025-07-01 | 1140.2 | 1136.4 | 1200 | 1200 |
| 2025-06-01 | 1140.2 | 1136.4 | 1200 | 1200 |
| 2025-05-01 | 1140.2 | 1136.4 | 1200 | 1200 |
| 2025-04-01 | 1140.2 | 1136.4 | 1200 | 1200 |
| 2025-03-01 | 1140.2 | 1136.4 | 1200 | 1200 |
| 2025-02-01 | 1140.2 | 1136.4 | 1200 | 1200 |
| 2025-01-01 | 1138.7 | 1134.2 | 1200 | 1200 |
| 2024-12-01 | 1137.2 | 1133.1 | 1200 | 1200 |
| 2024-11-01 | 1137.2 | 1133.1 | 1200 | 1200 |
| 2024-10-01 | 1137.2 | 1133.1 | 1200 | 1200 |
| 2024-09-01 | 1113.1 | 1110.1 | 1200 | 1200 |
| 2024-08-01 | 1076.2 | 1069.1 | 1200 | 1200 |
| 2024-07-01 | 1076.2 | 1069.1 | 1200 | 1200 |
| 2024-09-01 | 1098.8 | 1089.6 | 1200 | 1200 |
| 2024-05-01 | 1098.8 | 1089.6 | 1200 | 1200 |
| 2024-04-01 | 1143 | 1136.4 | 1200 | 1200 |
| 2024-03-01 | 1164.2 | 1159.4 | 1200 | 1200 |
| 2024-02-01 | 1167.5 | 1163.7 | 1200 | 1200 |
| 2024-01-01 | 1194.6 | 1196.1 | 1200 | 1200 |
| 2023-12-01 | 1194.6 | 1196.1 | 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 (U11B) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 5 | 4 | 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 (U11B) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 2 | Gauteng Inter-Region at UJ 2024 (U12 Candidates) | 2024-12-07 | 2024-12-08 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
| 3 | 2024 Etienne Lewis (U12) | 2024-08-30 | 2024-09-01 | Standard | Tshwane (GTP) | 7 | 7 | 3 | Yes | Analysis |
| 4 | D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11B) | 2024-08-03 | 2024-08-03 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 5 | 2024 Elise Steenkamp Open Chess Tournament (Rooks) | 2024-06-15 | 2024-06-15 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 6 | 2024 Milos Ristic Open Chess Tournament (U12) | 2024-04-27 | 2024-04-27 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 7 | 2024 Chris Greyling Open Chess Tournament (D1) | 2024-03-16 | 2024-03-16 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 8 | 2024 Constantiapark Open (D1) | 2024-02-17 | 2024-02-17 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 9 | 2024 Tshwane Chess OPEN Registration Tournament (D2) | 2024-01-27 | 2024-01-27 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 10 | 2024 Gauteng Inter-Region Chess Championship (U10B) | 2024-01-13 | 2024-01-14 | Standard | Tshwane (GTP) | 5 | 4 | 2 | Yes | Analysis |
| 11 | 2023 Etienne Lewis Closed Tournament (U10) | 2023-08-25 | 2023-08-27 | Standard | Tshwane (GTP) | 7 | 7 | 3.5 | Yes | Analysis |
| 12 | 2023 Lubowski Open Tournament (E) | 2023-06-24 | 2023-06-25 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 13 | Laerskool Constantiapark Open Chess Tournament 2023 (U10) | 2023-02-18 | 2023-02-18 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 14 | 2023 Tshwane Chess Open Registration Tournament (E) | 2023-01-28 | 2023-01-28 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 15 | 2022 Menlo Open Tournament (E) | 2022-07-23 | 2022-07-23 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 16 | 2022 Blou Bul Open (E) | 2022-06-25 | 2022-06-25 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Tournament2023 Etienne Lewis Closed Tournament | Tournament2024 Gauteng Inter-Region Chess Championship | ||||||
| date2023-08-27 | rnd6 | typeStandard | result1 | date2024-01-13 | rnd3 | typeStandard | result1 | ||
| OpponentMcphail, A (Ava) | OpponentNinham, G (Grant) | ||||||||
| 2 | 3 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd1 | typeStandard | result1 | date2025-08-15 | rnd3 | typeStandard | result1 | ||
| OpponentMakgeru, T (Thoriso) | OpponentNaude, J (Josua) | ||||||||
| 3 | 3 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | ||||||
| date2024-08-03 | rnd3 | typeStandard | result0.5 | date2024-08-03 | rnd5 | typeStandard | result1 | ||
| OpponentBeldon, S (Samuel) | OpponentMakwedini, I (Ima) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Tournament2023 Etienne Lewis Closed Tournament | Tournament2024 Gauteng Inter-Region Chess Championship | ||||||
| date2023-08-27 | rnd6 | typeStandard | result1 | date2024-01-13 | rnd3 | typeStandard | result1 | ||
| OpponentMcphail, A (Ava) | OpponentNinham, G (Grant) | ||||||||
| 2 | 3 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd1 | typeStandard | result1 | date2025-08-15 | rnd3 | typeStandard | result1 | ||
| OpponentMakgeru, T (Thoriso) | OpponentNaude, J (Josua) | ||||||||
| 3 | 3 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | ||||||
| date2024-08-03 | rnd3 | typeStandard | result0.5 | date2024-08-03 | rnd5 | typeStandard | result1 | ||
| OpponentBeldon, S (Samuel) | OpponentMakwedini, I (Ima) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Tournament2023 Etienne Lewis Closed Tournament | Tournament2024 Gauteng Inter-Region Chess Championship | ||||||
| date2023-08-27 | rnd6 | typeStandard | result1 | date2024-01-13 | rnd3 | typeStandard | result1 | ||
| OpponentMcphail, A (Ava) | OpponentNinham, G (Grant) | ||||||||
| 2 | 3 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd1 | typeStandard | result1 | date2025-08-15 | rnd3 | typeStandard | result1 | ||
| OpponentMakgeru, T (Thoriso) | OpponentNaude, J (Josua) | ||||||||
| 3 | 2 | TournamentGauteng Inter-Region at UJ 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-12-07 | rnd3 | typeStandard | result1 | date2024-12-08 | rnd4 | typeStandard | result1 | ||
| OpponentAppels, C (Chathem Jordan) | OpponentChisango, R (Ryan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Tournament2023 Etienne Lewis Closed Tournament | Tournament2024 Gauteng Inter-Region Chess Championship | ||||||
| date2023-08-27 | rnd6 | typeStandard | result1 | date2024-01-13 | rnd3 | typeStandard | result1 | ||
| OpponentMcphail, A (Ava) | OpponentNinham, G (Grant) | ||||||||
| 2 | 3 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd1 | typeStandard | result1 | date2025-08-15 | rnd3 | typeStandard | result1 | ||
| OpponentMakgeru, T (Thoriso) | OpponentNaude, J (Josua) | ||||||||
| 3 | 2 | TournamentGauteng Inter-Region at UJ 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-12-07 | rnd3 | typeStandard | result1 | date2024-12-08 | rnd4 | typeStandard | result1 | ||
| OpponentAppels, C (Chathem Jordan) | OpponentChisango, R (Ryan) | ||||||||
| # | 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 | Wolvaardt ,J (Jonathan) | 3 | 0.5 | -283.3 | 3 | 0.5 | -283.3 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1330.2 | 1046.8 | 1341.9 | 1046.8 | 0 | 0 | 0 | 0 | ||||||
| 2 | Prinsloo ,V (Veronique) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1305.9 | 1305.9 | 1304.8 | 1305.9 | 0 | 0 | 0 | 0 | ||||||
| 3 | Kleynhans ,M (Magnus) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1223.8 | 1223.8 | 1220.9 | 1223.8 | 0 | 0 | 0 | 0 | ||||||
| 4 | Truscott ,A (Ane) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1226.4 | 801.4 | 1216.3 | 801.4 | 0 | 0 | 0 | 0 | ||||||
| 5 | Van Wyk ,A (Ame) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1171.2 | 746.2 | 1174.2 | 746.2 | 0 | 0 | 0 | 0 | ||||||
| 6 | Mcphail ,A (Ava) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1117.4 | 1117.4 | 1112.8 | 1117.4 | 0 | 0 | 0 | 0 | ||||||
| 7 | Cronje ,B (Ben) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1243.8 | 818.8 | 1252.4 | 818.8 | 0 | 0 | 0 | 0 | ||||||
| 8 | Conradie ,M (Minka) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1453.8 | 1878.8 | 1458.7 | 1878.8 | 0 | 0 | 0 | 0 | ||||||
| 9 | Kruger ,B (Brenden) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1146 | 721 | 1149.9 | 721 | 0 | 0 | 0 | 0 | ||||||
| 10 | Raath ,E (Emma) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1094.7 | 1519.7 | 1082.9 | 1519.7 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|