2025 SA Kings Birthday Weekender
Open SwissStandard
48 players participated in this 6-round tournament, held from 07 Jun 2025 to 08 Jun 2025 in Adelaide, Australia. 3 titled players from 5 federations. Top 10 Elo average was 1880, and top seed was William Jordan (🇦🇺 AUS, FM, 2048).
William Jordan (🇦🇺 AUS, FM, 2048) won with 5.5/6, ahead of Alexander Horlin-Smith (5.0) and James Bayliss (5.0). Jordan won solo starting round 5.
The biggest upset came in round 2: Hariharan Ayyar R (1580) beat Alistair Maria (1894), a +314-point gap.
Location
🇦🇺Adelaide, Australia
Dates
07 Jun 2025 → 08 Jun 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Titled players · 3
FM×1
CM×1
WCM×1
Federations · 5 represented
🇦🇺Australia×39
🇮🇳India×2
🇫🇷France×1
🇬🇧England×1
🇬🇪Georgia×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsFM William Jordan led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Co-leaders
21
8
4
2
1
1
R5–R6 · LEAD HELD
FM William Jordan held the sole lead from R5 through R6 without losing it.
R4 · HEAD-TO-HEAD · WINNER VS 2ND
FM William Jordan beat Alexander Horlin-Smith (Black).
WIN STREAKS · 3 top finishers
FM William Jordan 5 wins (R1–R5)Alexander Horlin-Smith 3 wins (R1–R3)James Bayliss 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FMWilliam Jordan | * | 1 | — | — |
| 2Alexander Horlin-Smith | 0 | * | 1 | — |
| 3James Bayliss | — | 0 | * | — |
| 4Bradley Clark Thompson | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Jordan, WilliamFM | 2048 | AUS | +25B | +15N | +13B | +2N | +7B | =4N | 5.5 | 20.5 | 23.5 | 21.25 | 2210 | +15.2 |
| 2 | Horlin-Smith, Alexander | 1830 | AUS | +10B | +41N | +3B | −1B | +9N | +7N | 5.0 | 22.5 | 24.0 | 18.50 | 2000 | +52.8 |
| 3 | Bayliss, James | 1763 | AUS | +30N | +20B | −2N | +34B | +18B | +8N | 5.0 | 17.5 | 19.5 | 14.50 | 1940 | +23.4 |
| 4 | Retnaraja, Ethan | 1927 | AUS | +37B | =14N | +19B | +5N | =8B | =1B | 4.5 | 20.5 | 22.5 | 16.00 | 1963 | +14.4 |
| 5 | Mdinaradze, Edgar | 1791 | GEO | =21B | +31N | +27B | −4B | +16N | +13N | 4.5 | 17.0 | 19.5 | 13.50 | 1873 | +15.6 |
| 6 | Thompson, Bradley Clark | 1717 | AUS | −20N | +36B | =17N | +27B | +32B | +19N | 4.5 | 14.5 | 16.5 | 11.75 | 1777 | +10.0 |
| 7 | Jindal, TarushCM | 1986 | AUS | +32N | +35B | +23N | +9B | −1N | −2B | 4.0 | 20.0 | 22.0 | 11.50 | 1878 | -24.0 |
| 8 | Almutawa, Ayman | 1849 | AUS | +11B | =27N | +21B | +24N | =4N | −3B | 4.0 | 19.5 | 22.0 | 13.50 | 1753 | -10.0 |
| 9 | Hariharan Ayyar R | 1580 | IND | +43B | +12N | +18B | −7N | −2B | +28N | 4.0 | 18.5 | 20.0 | 11.00 | 1911 | +81.6 |
| 10 | Smith, Sam | 1512 | AUS | −2N | +44B | +35N | −22B | +29N | +23B | 4.0 | 15.5 | 16.5 | 8.50 | 1757 | +64.4 |
| 11 | Zang, Chen Bi | 1584 | AUS | −8N | +48B | =22N | =29B | +34N | +21B | 4.0 | 14.5 | 14.5 | 7.75 | 1645 | +11.6 |
| 12 | Maria, Alistair | 1894 | AUS | +42N | −9B | +37N | F | +28B | +14N | 4.0 | 13.5 | 13.5 | 9.50 | 1818 | -12.0 |
| 13 | Retnaraja, Athena-MalarWCM | 1820 | AUS | +36N | +29B | −1N | =16B | +15N | −5B | 3.5 | 19.5 | 21.5 | 9.75 | 1775 | -9.6 |
| 14 | Dua, Krsna | 1685 | AUS | +48N | =4B | −24N | +20B | +22N | −12B | 3.5 | 17.5 | 17.5 | 8.25 | 1817 | +28.0 |
| 15 | Schiavone, Emmanuel | 1656 | AUS | +38N | −1B | =20N | +45B | −13B | +40N | 3.5 | 16.0 | 17.0 | 6.50 | 1662 | -0.8 |
| 16 | Rowberry, Jacob | 1787 | AUS | +40B | −18N | +41B | =13N | −5B | +33N | 3.5 | 15.5 | 17.0 | 7.75 | 1705 | -11.6 |
| 17 | Chen, Cindy | 1647 | AUS | −18B | +43N | =6B | −19N | +41B | +27N | 3.5 | 14.5 | 16.0 | 7.75 | 1667 | +4.8 |
| 18 | Charters, Jamie D | 1863 | ENG | +17N | +16B | −9N | +23B | −3N | F | 3.0 | 19.0 | 19.0 | 10.00 | 1755 | -26.8 |
| 19 | Juszczynski, Mathew | 1640 | AUS | +33N | =24B | −4N | +17B | =21N | −6B | 3.0 | 18.5 | 21.0 | 9.00 | 1654 | +0.8 |
| 20 | Lian, Mark | 1416 | AUS | +6B | −3N | =15B | −14N | =45N | +34B | 3.0 | 18.5 | 19.5 | 8.75 | 1605 | +42.4 |
| 21 | Nagpal, Kavish | 1504 | AUS | =5N | +46B | −8N | +35B | =19B | −11N | 3.0 | 17.5 | 18.0 | 6.25 | 1675 | +50.0 |
| 22 | Percrule, Maxime | 1650 | FRA | −41B | +26N | =11B | +10N | −14B | =31N | 3.0 | 17.0 | 18.5 | 10.25 | 1546 | -16.4 |
| 23 | Carrigan, William | 1666 | AUS | +26B | +47N | −7B | −18N | +24B | −10N | 3.0 | 17.0 | 17.0 | 6.00 | 1543 | -28.4 |
| 24 | Zhang, Jack | 0 | AUS | +28B | =19N | +14B | −8B | −23N | =32N | 3.0 | 16.0 | 18.5 | 8.75 | 1693 | 0.0 |
| 25 | Vogt, Brian | 0 | AUS | −1N | +33B | −34N | +47B | −27N | +45B | 3.0 | 13.5 | 13.5 | 3.50 | 1679 | 0.0 |
| 26 | Sambell, David | 1560 | AUS | −23N | −22B | +44N | −30B | +39N | +35B | 3.0 | 12.5 | 13.5 | 5.00 | 1444 | -26.4 |
| 27 | Chen, Charlotte | 1625 | AUS | +44N | =8B | −5N | −6N | +25B | −17B | 2.5 | 19.5 | 20.5 | 6.00 | 1427 | -34.4 |
| 28 | Berg, Aidan | 1629 | AUS | −24N | +30B | =45N | +31B | −12N | −9B | 2.5 | 16.0 | 17.0 | 5.50 | 1600 | -4.6 |
| 29 | Kasinathan, Raghavendran | 1578 | AUS | +34B | −13N | F | =11N | −10B | +30B | 2.5 | 16.0 | 16.0 | 6.50 | 1525 | -13.6 |
| 30 | Schiavone, Isaac | 1531 | AUS | −3B | −28N | =38B | +26N | +37B | −29N | 2.5 | 15.0 | 17.0 | 6.00 | 1560 | +6.4 |
| 31 | Thompson, Campbell | 0 | AUS | F | −5B | +40N | −28N | +42B | =22B | 2.5 | 13.5 | 13.5 | 5.00 | 1543 | +17.6 |
| 32 | Dileesh, Ashmit | 1687 | AUS | −7B | +39N | +47B | F | −6N | =24B | 2.5 | 13.5 | 13.5 | 3.50 | 1052 | -24.4 |
| 33 | Guiney, Wayne Bertram | 1474 | AUS | −19B | −25N | +43B | =42N | +36N | −16B | 2.5 | 13.0 | 14.5 | 4.25 | 1504 | +2.8 |
| 34 | Balasubramani, Vittal | 0 | AUS | −29N | +42B | +25B | −3N | −11B | −20N | 2.0 | 17.5 | 19.0 | 4.50 | 786 | 0.0 |
| 35 | Pilowsky, Paul | 1701 | AUS | +39B | −7N | −10B | −21N | +44B | −26N | 2.0 | 16.0 | 17.0 | 3.00 | 844 | -46.6 |
| 36 | Cirami, Oliver | 1482 | AUS | −13B | −6N | +39B | =41N | −33B | =38N | 2.0 | 14.5 | 16.0 | 3.75 | 1301 | -33.6 |
| 37 | Atrens, Edvard | 1615 | AUS | −4N | +38B | −12B | F | −30N | +42N | 2.0 | 14.5 | 14.5 | 3.50 | 984 | -18.4 |
| 38 | Prabath, Aehron | 0 | AUS | −15B | −37N | =30N | −39B | +47N | =36B | 2.0 | 12.0 | 12.0 | 2.25 | 1378 | 0.0 |
| 39 | FIDE 80838359 | 0 | — | −35N | −32B | −36N | +38N | −26B | +47B | 2.0 | 11.5 | 11.5 | 2.00 | 811 | 0.0 |
| 40 | Zuo, Emma | 1459 | AUS | −16N | F | −31B | +48N | +46B | −15B | 2.0 | 10.0 | 10.0 | 0.50 | 1393 | -14.8 |
| 41 | Parikh, Pradyun | 1497 | AUS | +22N | −2B | −16N | =36B | −17N | F | 1.5 | 17.0 | 18.0 | 4.00 | 1526 | +6.8 |
| 42 | Vir Nagpal | 0 | IND | −12B | −34N | +46N | =33B | −31N | −37B | 1.5 | 13.0 | 13.5 | 1.75 | 1433 | 0.0 |
| 43 | Zuo, Ella | 0 | AUS | −9N | −17B | −33N | −44B | +48B | =46N | 1.5 | 11.5 | 11.5 | 0.25 | 1223 | 0.0 |
| 44 | FIDE 3291839 | 0 | — | −27B | −10N | −26B | +43N | −35N | F | 1.0 | 13.0 | 14.5 | 1.50 | 804 | 0.0 |
| 45 | Colliver, Scott | 1567 | AUS | F | F | =28B | −15N | =20B | −25N | 1.0 | 12.0 | 12.0 | 2.75 | 1443 | -19.6 |
| 46 | Jeanes, David | 1486 | AUS | F | −21N | −42B | F | −40N | =43B | 0.5 | 8.0 | 8.0 | 0.75 | 681 | -20.4 |
| 47 | FIDE 3291855 | 0 | — | F | −23B | −32N | −25N | −38B | −39N | 0.0 | 12.5 | 12.5 | 0.00 | 877 | 0.0 |
| 48 | FIDE 3271242 | 0 | — | −14B | −11N | F | −40B | −43N | F | 0.0 | 11.0 | 11.0 | 0.00 | 775 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Hariharan Ayyar RIND+81.64.0 pts · #11
- 2Smith, SamAUS+64.44.0 pts · #14
- 3Horlin-Smith, AlexanderAUS+52.85.0 pts · #1
Top rating losers
- 1Pilowsky, PaulAUS-46.62.0 pts · #42
- 2Chen, CharlotteAUS-34.42.5 pts · #39
- 3Cirami, OliverAUS-33.62.0 pts · #37
Biggest upsets
- R2+314 Elo gap
- R1+301 Elo gap
- R3+283 Elo gap