India, May 30 -- Reigning world champion Gukesh spent his last day as a teenager, sitting across from Magnus Carlsen and being reminded that over-ambition in chess can come at a cost. There was no reprise of last year's infamous table slam. Instead, Gukesh ended up putting too much on the line and the world No. 1 got his first classical win in Round 4 of Norway Chess on Thursday, after two losses in three games.

Carlsen's first trip to the confessional was about being surprised by his own move - 6.Qd6! - activating the Queen and perhaps trying to take the young Indian out of book. A few moves down the line Gukesh had a surprise waiting for Carlsen with 9. Nb5. Carlsen, playing with the Black pieces, took a slightly perilous path and went...