The 40th Chess Olympiad Istanbul Round 4 started at 1pm local time on Friday 31st August.

Live Video
Pairings
Live Games Official.

Leading Round 4 Pairings Men for Friday: USA vs IND,
RUS vs CHN,
AZE vs GER,
FRA vs ENG,
PHI 1.5-2.5 ARM,
UKR vs POL,
SVK vs HUN,
CZE vs NOR,
CAN vs MGL,
ARG vs MEX.

Games by leading players to look out for in Round 4.
Nakamura 1-0 Sasikiran, Harikrishna 1-0 Kamsky, Kramnik vs Wang Hao, Wang Yue 0-1 Grischuk,
Radjabov 1-0 Naiditsch, Vachier 1/2 Adams, Edouard 1/2 Short, So 1/2 Aronian Armenia win the match thanks to a Sargissian win on board 4,
Ivanchuk 1-0 Wojtaszek, Eid 0-1 Topalov, Gelfand vs Kazhgaleyev, Vl Georgiev 1/2 Shirov,
Ivan Morovic 1/2 Caruana.

Source: The Week in Chess