IM Joshua Posthuma vs GM Francesco Sonis - 35th Chicago Open 2026, Round 4.9 | ChessEver

Broadcasts Rankings Desktop News Account Get the App

½–½

GMFrancesco Sonis

2556

½

--:--

abcdefgh

87654321

IMJoshua Posthuma

2378

½

--:--

Catalan opening· E00

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

26.

27.

28.

29.

30.

31.

32.

½–½

Engine

35th Chicago Open 2026

Round 4.9 · May 23, 2026 · Draw · TC Classical

E00 · Catalan opening

IM Joshua Posthuma

2378USAFIDE 2096889

GM Francesco Sonis

2556ITAFIDE 895733

Get the full experience

Live games, notifications and analysis.

Download on the