2025 Rooty Hill Club Championship Division B Rounds 4-7
Open SwissStandard
17 players participated in this 7-round tournament, held from 01 Jul 2025 to 29 Jul 2025 in Sydney, Australia. 2 federations represented. Top 10 Elo average was 1763, and top seed was Ronen Bhaumik (🇦🇺 AUS, 1823).
Christo Jacob (🇦🇺 AUS, 1705) won with 4.0/7, ahead of Sameer Thite (2.5) and Leo Kuncoro (2.5). Jacob shared the lead from round 4 and won solo starting round 6.
Location
🇦🇺Sydney, Australia
Dates
01 Jul 2025 → 29 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Federations · 2 represented
🇦🇺Australia×16
🇯🇵Japan×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsChristo Jacob led from R6; +1.5-point edge over the runner-up. Title race converged from 5 co-leaders at R4 to 1 by R6.
Co-leaders
17
17
17
5
3
1
1
R6–R7 · LEAD HELD
Christo Jacob never relinquished the lead after R6; final gap +1.5 over the runner-up.
R4–R7 · WIN STREAK
Christo Jacob won 4 in a row (R4–R7).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Jacob, Christo | 1705 | AUS | F | F | F | +9N | +11B | +8B | +4N | 4.0 | 5.5 | 5.5 | 5.50 | 2545 | +85.6 |
| 2 | Thite, Sameer | 1791 | AUS | F | F | F | +15B | +12B | =10N | −7N | 2.5 | 4.0 | 4.0 | 2.00 | 1815 | +3.4 |
| 3 | Kuncoro, Leo | 1790 | AUS | F | F | F | =7B | F | +9N | +10B | 2.5 | 3.5 | 3.5 | 2.75 | 2040 | +25.6 |
| 4 | Hasegawa, Yuki | 1678 | JPN | F | F | F | +13N | +10B | F | −1B | 2.0 | 7.5 | 7.5 | 2.00 | 1865 | +9.8 |
| 5 | Sivaraj, Avinav | 1757 | AUS | F | F | F | +14N | −9B | +15N | −6N | 2.0 | 4.5 | 4.5 | 1.50 | 1751 | +12.8 |
| 6 | Bhaumik, Ronen | 1823 | AUS | F | F | F | F | F | +11N | +5B | 2.0 | 3.0 | 3.0 | 3.00 | 2485 | +12.4 |
| 7 | Talpade, Udit | 1747 | AUS | F | F | F | =3N | −8N | F | +2B | 1.5 | 8.5 | 8.5 | 3.75 | 1809 | +4.8 |
| 8 | Li, Baize | 1787 | AUS | F | F | F | =10N | +7B | −1N | F | 1.5 | 6.5 | 6.5 | 2.00 | 1751 | -7.2 |
| 9 | Gao, Terry | 1677 | AUS | F | F | F | −1B | +5N | −3B | F | 1.0 | 9.0 | 9.0 | 2.00 | 1631 | -22.4 |
| 10 | Cassettari, Peter | 1760 | AUS | F | F | F | =8B | −4N | =2B | −3N | 1.0 | 8.5 | 8.5 | 2.00 | 1599 | -18.6 |
| 11 | Singh, Jaspal | 1695 | AUS | F | F | F | +17B | −1N | −6B | F | 1.0 | 6.0 | 6.0 | 0.00 | 1622 | -4.4 |
| 12 | Mejares, Remeo | 1670 | AUS | F | F | F | =16B | −2N | −13B | =15B | 1.0 | 4.5 | 4.5 | 0.50 | 1523 | -15.0 |
| 13 | Descallar, Levi | 1732 | AUS | F | F | F | −4B | F | +12N | F | 1.0 | 3.0 | 3.0 | 1.00 | 1706 | -0.8 |
| 14 | Muller, Hans P | 1737 | AUS | F | F | F | −5B | +15N | F | F | 1.0 | 2.5 | 2.5 | 0.50 | 1686 | -2.4 |
| 15 | Shosho, David | 1694 | AUS | F | F | F | −2N | −14B | −5B | =12N | 0.5 | 6.5 | 6.5 | 0.50 | 1396 | -25.6 |
| 16 | Pan, Renee Yang | 1678 | AUS | F | F | F | =12N | F | F | F | 0.5 | 2.0 | 2.0 | 0.50 | 1672 | -0.8 |
| 17 | Dhingra, Vipin | 1691 | AUS | F | F | F | −11N | F | F | F | 0.0 | 1.0 | 1.0 | 0.00 | 876 | -10.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Jacob, ChristoAUS+85.64.0 pts · #1
- 2Kuncoro, LeoAUS+25.62.5 pts · #3
- 3Sivaraj, AvinavAUS+12.82.0 pts · #4
Top rating losers
- 1Shosho, DavidAUS-25.60.5 pts · #15
- 2Gao, TerryAUS-22.41.0 pts · #11
- 3Cassettari, PeterAUS-18.61.0 pts · #12