PLAYER PAGE
Personal
Stander, J (Jack)
Chess SA id
1100149929FIDE id
?Date of birth
2010-01-04 (U16)Gender
MaleRegion
Eden (WEG)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-10-25Personal details last changed
1900-01-01Junior GPX Games
26.5Junior GPX Points
1420.5| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1487 | 1489.3 | 1259.8 | 1200 |
| Raw rating | 1487 | 1489.3 | 1259.8 | 1200 |
| Weighted rating | 1390.2 | 1392.2 | 1204.8 | 1200 |
| Weighted performance | 1432.4 | 1395.3 | 0 | 0 |
| Floor | 987 | 989.3 | 759.8 | 700 |
| K-factor | 32 | 32 | 36 | 36 |
| Min/Max rating change allowed | 110.2 | 109.8 | 152.3 | 165.8 |
| Highest rating | 14872025-11-01 | 1489.32025-05-05 | 1259.82025-11-01 | 12002018-10-01 |
| Highest raw rating | 14872025-11-01 | 1489.32025-05-05 | 1259.82025-11-01 | 12002024-03-01 |
| Highest weighted rating | 1390.22025-11-01 | 1489.32024-10-01 | 1204.82025-11-01 | 12002018-10-01 |
| Highest weighted performance | 1482.92025-05-05 | 1489.32023-03-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1487 | 1489.3 | 1259.8 | 1200 |
| Analysis | ||||
| Rating | 1487 | 1489.3 | 1259.8 | 1200 |
| Raw rating | 1487 | 1489.3 | 1259.8 | 1200 |
| Weighted rating | 1390.2 | 1392.2 | 1204.8 | |
| Weighted performance | 1432.4 | 1395.3 | 0 | |
| K-factor | 32 | 32 | 36 | 36 |
| Floor | 987 | 989.3 | 759.8 | 700 |
| Max/Min rating change allowed | 110.2 | 109.8 | 152.3 | 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 | 1487 | 1489.3 | 1259.8 | 1200 |
| New weighted rating | 1401.3 | 1403.4 | 1209.4 | 1200 |
| New weighted performance | 1423.5 | 1386.4 | 0 | 0 |
| Temp new rating | 1487 | 1489.3 | 1259.8 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1487 | 1489.3 | 1259.8 | 1200 |
| New K-factor | 32 | 32 | 36 | 36 |
| New floor | 987 | 989.3 | 759.8 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 31 | 25 | 6 | 0 | |
| 24 | 24 | 0 | 0 | |
| 31 | 31 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 86 | 80 | 6 | 0 |
| Games since | |||||||||||||||||
| Main55 | Standard49 | Rapid6 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Eden (WEG) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 1362 | 423 | 102 | ||||||||||||||
| Male | 1154 | 351 | 86 | ||||||||||||||
| U16 | 176 | 53 | 14 | ||||||||||||||
| U16 Male | 139 | 42 | 11 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 1288 | 363 | 84 | ||||||||||||||
| Male | 1091 | 295 | 67 | ||||||||||||||
| U16 | 172 | 54 | 14 | ||||||||||||||
| U16 Male | 138 | 44 | 11 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 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 | 31 | 23 | 74.19 | 205.6 | 1329.5 | 1535.1 |
| Standard | 25 | 18.5 | 74 | 204 | 1333.1 | 1537.1 |
| Rapid | 6 | 4.5 | 75 | 212.5 | 1314.6 | 1527.1 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 86 | 53.5 | 62.21 | 103.8 | 1290.3 | 1394.1 |
| Standard | 80 | 49 | 61.25 | 95.6 | 1288.5 | 1384.1 |
| Rapid | 6 | 4.5 | 75 | 212.5 | 1314.6 | 1527.1 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1487 | 1489.3 | 1259.8 | 1200 |
| 2025-09-30 | 1482.9 | 1489.3 | 1200 | 1200 |
| 2025-09-01 | 1482.9 | 1489.3 | 1200 | 1200 |
| 2025-08-01 | 1482.9 | 1489.3 | 1200 | 1200 |
| 2025-07-01 | 1482.9 | 1489.3 | 1200 | 1200 |
| 2025-06-01 | 1482.9 | 1489.3 | 1200 | 1200 |
| 2025-05-01 | 1482.9 | 1489.3 | 1200 | 1200 |
| 2025-04-01 | 1404.9 | 1407.6 | 1200 | 1200 |
| 2025-03-01 | 1307.6 | 1311.1 | 1200 | 1200 |
| 2025-02-01 | 1284.4 | 1283 | 1200 | 1200 |
| 2025-01-01 | 1284.1 | 1279.8 | 1200 | 1200 |
| 2024-12-01 | 1284.1 | 1279.8 | 1200 | 1200 |
| 2024-11-01 | 1284.1 | 1279.8 | 1200 | 1200 |
| 2024-10-01 | 1284.1 | 1279.8 | 1200 | 1200 |
| 2024-09-01 | 1284.1 | 1279.8 | 1200 | 1200 |
| 2024-08-01 | 1284.1 | 1279.8 | 1200 | 1200 |
| 2024-07-01 | 1284.1 | 1279.8 | 1200 | 1200 |
| 2024-09-01 | 1284.1 | 1279.8 | 1200 | 1200 |
| 2024-05-01 | 1284.1 | 1279.8 | 1200 | 1200 |
| 2024-04-01 | 1297.8 | 1303.2 | 1200 | 1200 |
| 2024-03-01 | 1301.4 | 1310.8 | 1200 | 1200 |
| 2024-02-01 | 1272.7 | 1274.1 | 1200 | 1200 |
| 2024-01-01 | 1272.7 | 1274.1 | 1200 | 1200 |
| 2023-12-01 | 1272.7 | 1274.1 | 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 | Uben Roode Foundation Open 2025 (2) | 2025-10-25 | 2025-10-25 | Rapid | Eden (WEG) | 6 | 6 | 4.5 | Yes | Analysis |
| 2 | Eden Chess Trials 2 2025 (U16) | 2025-03-15 | 2025-04-12 | Standard | Eden (WEG) | 10 | 10 | 7.5 | Yes | Analysis |
| 3 | Eden Schools Chess Trials 1 2025 (U15 Boys) | 2025-03-08 | 2025-03-08 | Standard | Eden (WEG) | 5 | 5 | 3.5 | Yes | Analysis |
| 4 | Oudussa Trials 2025 (U15) | 2025-03-01 | 2025-03-01 | Standard | Eden (WEG) | 5 | 5 | 4 | Yes | Analysis |
| 5 | Oudussa Trials 2 2025 (U5 Boys+Girls) | 2025-02-01 | 2025-02-01 | Standard | Eden (WEG) | 5 | 5 | 3.5 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Uben Roode Foundation Open 2025 (2) | 2025-10-25 | 2025-10-25 | Rapid | Eden (WEG) | 6 | 6 | 4.5 | Yes | Analysis |
| 2 | Eden Chess Trials 2 2025 (U16) | 2025-03-15 | 2025-04-12 | Standard | Eden (WEG) | 10 | 10 | 7.5 | Yes | Analysis |
| 3 | Eden Schools Chess Trials 1 2025 (U15 Boys) | 2025-03-08 | 2025-03-08 | Standard | Eden (WEG) | 5 | 5 | 3.5 | Yes | Analysis |
| 4 | Oudussa Trials 2025 (U15) | 2025-03-01 | 2025-03-01 | Standard | Eden (WEG) | 5 | 5 | 4 | Yes | Analysis |
| 5 | Oudussa Trials 2 2025 (U5 Boys+Girls) | 2025-02-01 | 2025-02-01 | Standard | Eden (WEG) | 5 | 5 | 3.5 | Yes | Analysis |
| 6 | Eden Chess Trials 2 2024 (U16) | 2024-04-13 | 2024-04-20 | Standard | Eden (WEG) | 10 | 9 | 4.5 | Yes | Analysis |
| 7 | Eden School Chess Trials 1 2024 (U15 Boys) | 2024-03-09 | 2024-03-09 | Standard | Eden (WEG) | 5 | 5 | 2.5 | Yes | Analysis |
| 8 | OUDUSSA Trials 2 2024 (U15 Boys) | 2024-02-17 | 2024-02-17 | Standard | Eden (WEG) | 5 | 5 | 3 | Yes | Analysis |
| 9 | OUDUSSA Trials 1 2024 (U15 Boys) | 2024-02-03 | 2024-02-03 | Standard | Eden (WEG) | 5 | 5 | 3.5 | Yes | Analysis |
| 10 | Mossel Bay Open 2023 (B) | 2023-09-30 | 2023-10-01 | Standard | Eden (WEG) | 6 | 3 | 1 | Yes | Analysis |
| 11 | Eden Trials 2+3 2023 (U14) | 2023-04-15 | 2023-05-13 | Standard | Eden (WEG) | 10 | 9 | 5 | Yes | Analysis |
| 12 | George Chess Club Winter Open 2023 (B) | 2023-05-20 | 2023-05-20 | Standard | Eden (WEG) | 5 | 4 | 1 | Yes | Analysis |
| 13 | Eden Trails 1 2023 (U13 Boys) | 2023-03-11 | 2023-03-11 | Standard | Eden (WEG) | 5 | 5 | 3 | Yes | Analysis |
| 14 | George Chess Trials 3 2023 (U13 Boys) | 2023-02-25 | 2023-02-25 | Standard | Eden (WEG) | 5 | 5 | 4 | Yes | Analysis |
| 15 | George Chess Trials 2 2023 (U13 Boys) | 2023-02-11 | 2023-02-11 | Standard | Cape Town (WCT) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentEden Chess Trials 2 2025 | TournamentUben Roode Foundation Open 2025 | ||||||
| date2025-03-15 | rnd5 | typeStandard | result0.5 | date2025-10-25 | rnd2 | typeRapid | result1 | ||
| OpponentMcana, S (Sibusiso) | OpponentArries, E (Ethan) | ||||||||
| 2 | 8 | TournamentOudussa Trials 2 2025 | TournamentEden Schools Chess Trials 1 2025 | ||||||
| date2025-02-01 | rnd4 | typeStandard | result0.5 | date2025-03-08 | rnd1 | typeStandard | result1 | ||
| OpponentWitbooi, S (Sergio) | OpponentKannemeyer, D (Dealon) | ||||||||
| 3 | 7 | TournamentGeorge Chess Trials 3 2023 | TournamentEden Trails 1 2023 | ||||||
| date2023-02-25 | rnd2 | typeStandard | result1 | date2023-03-11 | rnd3 | typeStandard | result1 | ||
| OpponentPotts, L (Lyall) | OpponentPetersen, S (Shenwin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentOudussa Trials 2 2025 | TournamentEden Schools Chess Trials 1 2025 | ||||||
| date2025-02-01 | rnd4 | typeStandard | result0.5 | date2025-03-08 | rnd1 | typeStandard | result1 | ||
| OpponentWitbooi, S (Sergio) | OpponentKannemeyer, D (Dealon) | ||||||||
| 2 | 7 | TournamentGeorge Chess Trials 3 2023 | TournamentEden Trails 1 2023 | ||||||
| date2023-02-25 | rnd2 | typeStandard | result1 | date2023-03-11 | rnd3 | typeStandard | result1 | ||
| OpponentPotts, L (Lyall) | OpponentPetersen, S (Shenwin) | ||||||||
| 3 | 6 | TournamentEden Chess Trials 2 2025 | TournamentEden Chess Trials 2 2025 | ||||||
| date2025-03-15 | rnd5 | typeStandard | result0.5 | date2025-04-12 | rnd10 | typeStandard | result1 | ||
| OpponentMcana, S (Sibusiso) | OpponentClaassen, M (Mervin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | TournamentGeorge Chess Trials 3 2023 | TournamentEden Trails 1 2023 | ||||||
| date2023-02-25 | rnd2 | typeStandard | result1 | date2023-03-11 | rnd3 | typeStandard | result1 | ||
| OpponentPotts, L (Lyall) | OpponentPetersen, S (Shenwin) | ||||||||
| 2 | 4 | TournamentOudussa Trials 2 2025 | TournamentOudussa Trials 2025 | ||||||
| date2025-02-01 | rnd5 | typeStandard | result1 | date2025-03-01 | rnd3 | typeStandard | result1 | ||
| OpponentOpperman, D (Danté) | OpponentJulies, J (Jaysiano) | ||||||||
| 3 | 4 | TournamentEden Chess Trials 2 2024 | TournamentEden Chess Trials 2 2024 | ||||||
| date2024-04-13 | rnd5 | typeStandard | result1 | date2024-04-20 | rnd8 | typeStandard | result1 | ||
| OpponentMfiki, P (Philasande) | OpponentBotha, J (Josephnique) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | TournamentGeorge Chess Trials 3 2023 | TournamentEden Trails 1 2023 | ||||||
| date2023-02-25 | rnd2 | typeStandard | result1 | date2023-03-11 | rnd3 | typeStandard | result1 | ||
| OpponentPotts, L (Lyall) | OpponentPetersen, S (Shenwin) | ||||||||
| 2 | 4 | TournamentOudussa Trials 2 2025 | TournamentOudussa Trials 2025 | ||||||
| date2025-02-01 | rnd5 | typeStandard | result1 | date2025-03-01 | rnd3 | typeStandard | result1 | ||
| OpponentOpperman, D (Danté) | OpponentJulies, J (Jaysiano) | ||||||||
| 3 | 4 | TournamentEden Chess Trials 2 2024 | TournamentEden Chess Trials 2 2024 | ||||||
| date2024-04-13 | rnd5 | typeStandard | result1 | date2024-04-20 | rnd8 | typeStandard | result1 | ||
| OpponentMfiki, P (Philasande) | OpponentBotha, J (Josephnique) | ||||||||
| # | 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 | Witbooi ,S (Sergio) | 3 | 1.5 | 0 | 3 | 1.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1220.9 | 1220.9 | 1215.1 | 1220.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Minnies ,J (Jo Neyden) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1355.2 | 1213.5 | 1365.7 | 1213.5 | 0 | 0 | 0 | 0 | ||||||
| 3 | Claassen ,M (Mervin) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1491.2 | 1491.2 | 1495.8 | 1491.2 | 0 | 0 | 0 | 0 | ||||||
| 4 | Isaaks ,M (Matthew) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1187.5 | 1612.5 | 1188.5 | 1612.5 | 0 | 0 | 0 | 0 | ||||||
| 5 | Potts ,L (Lyall) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1146.9 | 1571.9 | 1183.6 | 1571.9 | 0 | 0 | 0 | 0 | ||||||
| 6 | Petersen ,S (Shenwin) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1460.2 | 1460.2 | 1465.7 | 1460.2 | 0 | 0 | 0 | 0 | ||||||
| 7 | Stephanus ,E (Earl) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1533.1 | 1533.1 | 1581.6 | 1533.1 | 0 | 0 | 0 | 0 | ||||||
| 8 | Mcana ,S (Sibusiso) | 2 | 1.5 | 212.5 | 2 | 1.5 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1248.4 | 1460.9 | 1257.4 | 1460.9 | 0 | 0 | 0 | 0 | ||||||
| 9 | Willemse ,J (Jesrial) | 2 | 2 | 425 | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1197.3 | 1622.3 | 1178.3 | 1622.3 | 500 | 1622.3 | 0 | 0 | ||||||
| 10 | Rabie ,A (Aj) | 2 | 2 | 425 | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1236.2 | 1661.2 | 1200 | 1661.2 | 1261.8 | 1661.2 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

