PLAYER PAGE
Personal
Lotter, AJ (Albertus Johannes)
Chess SA id
108073055FIDE id
?Date of birth
2008-07-24 (U18)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-05-10Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1285.3 | 1295.9 | 579.6 | 579.6 |
| Raw rating | 1285.3 | 1295.9 | 579.6 | 579.6 |
| Weighted rating | 1280.6 | 1291.2 | 579.6 | 579.6 |
| Weighted performance | 810.3 | 810.6 | 0 | 0 |
| Floor | 785.3 | 795.9 | 500 | 500 |
| K-factor | 36 | 36 | 40 | 40 |
| Min/Max rating change allowed | 146.8 | 144.6 | 401.3 | 401.3 |
| Highest rating | 1285.32025-06-01 | 1295.92025-06-01 | 12002024-02-01 | 12002024-02-01 |
| Highest raw rating | 1285.32025-06-01 | 1295.92025-06-01 | 579.62024-02-01 | 579.62024-02-01 |
| Highest weighted rating | 1278.92025-08-01 | 1289.52025-08-01 | 579.62024-11-01 | 579.62024-11-01 |
| Highest weighted performance | 12092019-03-01 | 12002024-12-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1285.3 | 1295.9 | 579.6 | 579.6 |
| Analysis | ||||
| Rating | 1285.3 | 1295.9 | 579.6 | 579.6 |
| Raw rating | 1285.3 | 1295.9 | 579.6 | 579.6 |
| Weighted rating | 1280.6 | 1291.2 | 579.6 | |
| Weighted performance | 810.3 | 810.6 | 0 | |
| K-factor | 36 | 36 | 40 | 40 |
| Floor | 785.3 | 795.9 | 500 | 500 |
| Max/Min rating change allowed | 146.8 | 144.6 | 401.3 | 401.3 |
| 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 | 1285.3 | 1295.9 | 579.6 | 579.6 |
| New weighted rating | 1281.1 | 1291.7 | 579.6 | 579.6 |
| New weighted performance | 802.4 | 802.6 | 0 | 0 |
| Temp new rating | 1285.3 | 1295.9 | 579.6 | 579.6 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1285.3 | 1295.9 | 579.6 | 579.6 |
| New K-factor | 36 | 36 | 40 | 40 |
| New floor | 785.3 | 795.9 | 500 | 500 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 125 | 120 | 5 | 0 |
| Games since | |||||||||||||||||
| Main5 | Standard5 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| 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 | 5 | 2.5 | 50 | 0 | 1331.8 | 1331.8 |
| Standard | 5 | 2.5 | 50 | 0 | 1331.8 | 1331.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 85 | 44 | 51.76 | 15 | 1056.1 | 1071.1 |
| Standard | 85 | 44 | 51.76 | 15 | 1056.1 | 1071.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1285.3 | 1295.9 | 579.6 | 579.6 |
| 2025-09-30 | 1285.3 | 1295.9 | 579.6 | 579.6 |
| 2025-09-01 | 1285.3 | 1295.9 | 579.6 | 579.6 |
| 2025-08-01 | 1285.3 | 1295.9 | 579.6 | 579.6 |
| 2025-07-01 | 1285.3 | 1295.9 | 579.6 | 579.6 |
| 2025-06-01 | 1285.3 | 1295.9 | 579.6 | 579.6 |
| 2025-05-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2025-04-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2025-03-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2025-02-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2025-01-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2024-12-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2024-11-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2024-10-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2024-09-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2024-08-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2024-07-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2024-09-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2024-05-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2024-04-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2024-03-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2024-02-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2024-01-01 | 1277 | 1287.6 | 579.6 | 579.6 |
| 2023-12-01 | 1277 | 1287.6 | 579.6 | 579.6 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Curro Open Chess Tournament 2025 (U20) | 2025-05-10 | 2025-05-10 | Standard | Ehlanzeni (MEN) | 5 | 5 | 2.5 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Curro Open Chess Tournament 2025 (U20) | 2025-05-10 | 2025-05-10 | Standard | Ehlanzeni (MEN) | 5 | 5 | 2.5 | Yes | Analysis |
| 2 | Penryn Chess Tournament 2023 (U16) | 2023-02-11 | 2023-02-11 | Standard | Ehlanzeni (MEN) | 5 | 5 | 5 | Yes | Analysis |
| 3 | Chess Unlimited Leap Year Tournament 2020 (A) | 2020-02-29 | 2020-02-29 | Standard | Ehlanzeni (MEN) | 5 | 3 | 1 | Yes | Analysis |
| 4 | 2019 Mid-Gauteng Open (C) | 2019-08-17 | 2019-08-17 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 5 | 2019 Menlo Open (C) | 2019-07-13 | 2019-07-13 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 6 | 2019 Lubowski Open Tournament (C) | 2019-05-11 | 2019-05-12 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 7 | 2019 D4 Individual Finals (U11 Mixed) | 2019-03-09 | 2019-03-09 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 8 | 2019 TuksChess Open (C) | 2019-02-23 | 2019-02-23 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 9 | 2019 Constantia Park Open (C) | 2019-02-09 | 2019-02-09 | Standard | Tshwane (GTP) | 5 | 4 | 2 | Yes | Analysis |
| 10 | South African Junior Team Championships 2018 (U12C) | 2018-12-16 | 2018-12-20 | Standard | 4 Knights (4K) | 7 | 7 | 3 | Yes | Analysis |
| 11 | 2018 Lardies Ope (D) | 2018-10-27 | 2018-10-27 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 12 | 2018 Etienne Lewis Trials (U12 Boys) | 2018-08-31 | 2018-09-02 | Standard | Tshwane (GTP) | 7 | 7 | 3 | Yes | Analysis |
| 13 | 2018 Lubowski Open (C) | 2018-05-12 | 2018-05-12 | Standard | Tshwane (GTP) | 5 | 4 | 0 | Yes | Analysis |
| 14 | 2018 Gauteng Secondary Schools Individual Chess Championships (U11 Boys) | 2018-05-25 | 2018-05-25 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 15 | 2018 D4 Tshwane North Individual Chess Championships (U11 Boys) | 2018-03-10 | 2018-03-10 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 16 | 2018 Constantia Park Open (D) | 2018-02-10 | 2018-02-10 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 17 | 2018 Tshwane Registration Open Chess Tournament (D) | 2018-01-27 | 2018-01-27 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | TournamentPenryn Chess Tournament 2023 | TournamentCurro Open Chess Tournament 2025 | ||||||
| date2023-02-11 | rnd1 | typeStandard | result1 | date2025-05-10 | rnd2 | typeStandard | result0.5 | ||
| OpponentClarke, C (Cameron) | OpponentMacdonald, I (Ian) | ||||||||
| 2 | 5 | Tournament2018 Etienne Lewis Trials | Tournament2018 Lardies Ope | ||||||
| date2018-09-02 | rnd6 | typeStandard | result1 | date2018-10-27 | rnd3 | typeStandard | result1 | ||
| OpponentLourens, E (Edrich) | OpponentVlok, J (Jan) | ||||||||
| 3 | 4 | Tournament2019 TuksChess Open | Tournament2019 D4 Individual Finals | ||||||
| date2019-02-23 | rnd3 | typeStandard | result1 | date2019-03-09 | rnd1 | typeStandard | result1 | ||
| OpponentRambritch, A (Abhay) | OpponentKruger, H (Heinrich) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | TournamentPenryn Chess Tournament 2023 | TournamentCurro Open Chess Tournament 2025 | ||||||
| date2023-02-11 | rnd1 | typeStandard | result1 | date2025-05-10 | rnd2 | typeStandard | result0.5 | ||
| OpponentClarke, C (Cameron) | OpponentMacdonald, I (Ian) | ||||||||
| 2 | 5 | Tournament2018 Etienne Lewis Trials | Tournament2018 Lardies Ope | ||||||
| date2018-09-02 | rnd6 | typeStandard | result1 | date2018-10-27 | rnd3 | typeStandard | result1 | ||
| OpponentLourens, E (Edrich) | OpponentVlok, J (Jan) | ||||||||
| 3 | 4 | Tournament2019 TuksChess Open | Tournament2019 D4 Individual Finals | ||||||
| date2019-02-23 | rnd3 | typeStandard | result1 | date2019-03-09 | rnd1 | typeStandard | result1 | ||
| OpponentRambritch, A (Abhay) | OpponentKruger, H (Heinrich) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentPenryn Chess Tournament 2023 | TournamentCurro Open Chess Tournament 2025 | ||||||
| date2023-02-11 | rnd1 | typeStandard | result1 | date2025-05-10 | rnd1 | typeStandard | result1 | ||
| OpponentClarke, C (Cameron) | OpponentBarnard, C (Christo) | ||||||||
| 2 | 5 | Tournament2018 Etienne Lewis Trials | Tournament2018 Lardies Ope | ||||||
| date2018-09-02 | rnd6 | typeStandard | result1 | date2018-10-27 | rnd3 | typeStandard | result1 | ||
| OpponentLourens, E (Edrich) | OpponentVlok, J (Jan) | ||||||||
| 3 | 4 | Tournament2019 TuksChess Open | Tournament2019 D4 Individual Finals | ||||||
| date2019-02-23 | rnd3 | typeStandard | result1 | date2019-03-09 | rnd1 | typeStandard | result1 | ||
| OpponentRambritch, A (Abhay) | OpponentKruger, H (Heinrich) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentPenryn Chess Tournament 2023 | TournamentCurro Open Chess Tournament 2025 | ||||||
| date2023-02-11 | rnd1 | typeStandard | result1 | date2025-05-10 | rnd1 | typeStandard | result1 | ||
| OpponentClarke, C (Cameron) | OpponentBarnard, C (Christo) | ||||||||
| 2 | 5 | Tournament2018 Etienne Lewis Trials | Tournament2018 Lardies Ope | ||||||
| date2018-09-02 | rnd6 | typeStandard | result1 | date2018-10-27 | rnd3 | typeStandard | result1 | ||
| OpponentLourens, E (Edrich) | OpponentVlok, J (Jan) | ||||||||
| 3 | 4 | Tournament2019 TuksChess Open | Tournament2019 D4 Individual Finals | ||||||
| date2019-02-23 | rnd3 | typeStandard | result1 | date2019-03-09 | rnd1 | typeStandard | result1 | ||
| OpponentRambritch, A (Abhay) | OpponentKruger, H (Heinrich) | ||||||||
| # | 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 | Lotter ,CJ (Christiaan Johannes) | 4 | 3 | 212.5 | 4 | 3 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1058 | 1270.5 | 1017.9 | 1270.5 | 0 | 0 | 0 | 0 | ||||||
| 2 | Moolman ,R (Reinhardt) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 983.7 | 1125.3 | 979.3 | 1125.3 | 0 | 0 | 0 | 0 | ||||||
| 3 | Van Dyk ,M (Mia) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1328.9 | 1753.9 | 1333.7 | 1753.9 | 0 | 0 | 0 | 0 | ||||||
| 4 | Jordaan ,A (Alexander) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1198 | 1198 | 1184.6 | 1198 | 0 | 0 | 0 | 0 | ||||||
| 5 | Burgers ,AJ (Adriaan Johannes) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1135.8 | 710.8 | 1136.9 | 710.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Macdonald ,I (Ian) | 2 | 1.5 | 212.5 | 2 | 1.5 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1381.7 | 1594.2 | 1398.9 | 1594.2 | 0 | 0 | 0 | 0 | ||||||
| 7 | Swanepoel ,R (Rainer) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 553.6 | 553.6 | 562.2 | 553.6 | 0 | 0 | 0 | 0 | ||||||
| 8 | Khaudi ,R (Rorisang) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1219.2 | 1644.2 | 1211.2 | 1644.2 | 0 | 0 | 0 | 0 | ||||||
| 9 | Greef ,J (Janus) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 869.8 | 444.8 | 869.8 | 444.8 | 0 | 0 | 0 | 0 | ||||||
| 10 | Naude ,E (Enrique) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 868.4 | 1293.4 | 870.1 | 1293.4 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|