CChessStats

2025 SA Checkmate Challengers

Open SwissStandard

26 players participated in this 6-round tournament, held from 12 Jul 2025 to 13 Jul 2025 in Adelaide, Australia. 4 federations represented. Top 10 Elo average was 1635, and top seed was Krsna Dua (🇦🇺 AUS, 1713).

Pamith Kithmin Anattapathirana (🇱🇰 SRI, 1464) won with 5.5/6, ahead of Maximilian Windsor (5.0) and Emmanuel Schiavone (4.0). Anattapathirana broke clear in the final round.

The biggest upset came in round 5: Mark Lian (1459) beat Krsna Dua (1713), a +254-point gap.

Location
🇦🇺Adelaide, Australia
Dates
12 Jul 2025 → 13 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇦🇺Krsna Dua1713
Avg top 10
1,635
Participants
26
Federations · 4 represented
🇦🇺Australia×20
🇮🇳India×1
🇫🇷France×1
🇱🇰Sri Lanka×1
Top 3

How it unfolded

Top 6 · 6 rounds

Pamith Kithmin Anattapathirana led from R6; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R6.

Co-leaders
10
3
2
3
2
1
1.534.56R1R2R3R4R5R6
Anattapathirana5.5Windsor5Hariharan Ayyar4Cirami4Schiavone4Zang4
R6–R6 · LEAD HELD

Pamith Kithmin Anattapathirana held the sole lead from R6 through R6 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Pamith Kithmin Anattapathirana drew with Maximilian Windsor (Black).

WIN STREAKS · 2 top finishers

Pamith Kithmin Anattapathirana 3 wins (R1–R3)Maximilian Windsor 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Pamith Kithmin Anattapathirana*
½
—
1
2Maximilian Windsor
½
*
½
—
3Hariharan Ayyar R—
½
*—
4Oliver Cirami
0
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Anattapathirana, Pamith Kithmin1464SRI+18B+11N+3B=2N+6B+10N5.519.021.018.501980+59.4
2Windsor, Maximilian1669AUS+21N+12B+17N=1B+4N=5B5.019.020.015.251732+6.6
3Schiavone, Emmanuel1655AUS+14N+7B−1N−9B+12N+13B4.019.022.013.001619-4.2
4Zang, Chen Bi1596AUS+20B=10B+15N+5N−2B=8N4.018.520.011.501606+2.4
5Hariharan Ayyar R1661IND=15N+9B+16N−4B+11B=2N4.018.020.512.751802+39.6
6Cirami, Oliver1449AUS+24N=16B=10N+7B−1N+14B4.018.019.010.751668+58.0
7Karthikeyan, Manav0AUS+23B−3N+13B−6N+18B+16N4.015.516.58.501573-8.4
8Lian, Mark1459AUS=9N−17B+22N+15B+16N=4B4.015.016.09.751772+48.8
9Percrule, Maxime1639FRA=8B−5N+19B+3N−10B+15N3.517.519.510.501599-4.6
10Perkins, Aaron1641AUS+13B=4N=6BF+9N−1B3.020.020.010.501596-5.4
11Staak, Eric1655AUS+22N−1B+12N+14B−5NF3.016.516.57.001431-17.8
12Ho, Xavier0AUS+19B−2N−11B+21N−3B+18N3.016.017.05.0015290.0
13Guiney, Wayne Bertram1478AUS−10N+24B−7N+26B+17N−3N3.014.514.53.50836-34.8
14Sambell, David1536AUS−3B+25N+21B−11N+23B−6N3.013.013.02.001357-40.0
15Wei, Alissa0AUS=5B+19N−4B−8N+20B−9B2.517.519.05.5014360.0
16Dua, Krsna1713AUS+25B=6N−5B+20N−8B−7B2.517.517.53.501222-93.6
17Gaya, Christian0AUSF+8N−2B=18N−13B+21N2.515.015.06.0015120.0
18Wang, Iris0AUS−1N+22B=20N=17B−7N−12B2.016.517.53.007390.0
19Ahmed, Hussain1582AUS−12N−15B−9N+22BF+23N2.011.011.02.00834-17.2
20Jerry, Eithen0AUS−4NF=18B−16B−15N+22N1.512.012.02.008540.0
21Zuo, Emma1465AUS−2BF−14N−12B+24N−17B1.014.514.51.00809-22.8
22Zuo, Ella0AUS−11B−18N−8B−19N+26N−20B1.012.512.50.007660.0
23FIDE 32712420—−7NFF+24B−14N−19B1.010.010.01.007820.0
24FIDE 32938070—−6B−13NF−23N−21B+26N1.09.09.00.006560.0
25Wiltshire, Joel0AUS−16N−14BFFFF0.07.57.50.008300.0
26FIDE 3111117770—FFF−13N−22B−24B0.05.05.00.006770.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets