Toth-Doncenko

4.f3 c5 5.d5 d6 6.e4 b5

Budapest Spring Festival rd5

Black chose a combative way to defend against 4.f3 advocated by Roiz in The Nimzo-Indian Defence(Quality Chess 2017)

After 17..Bd7(Diagram)

Black is threatening ..Ne4

White has more central space but is lagging in development

What do recommend for White?

(a)18.Bf3 to cover e4 and then Nge2 to complete development

(b)18.Nf3 and give Black access to e4

After 17..Bd7

Gupta-Nitin

Spring Festival rd4

Nimzo-Indian Defence 4.e3 c5

After 16..Ne8(Diagram)

Black has the clear blockade plan ..Nd6

What do you recommend for White?

After 16..Ne8