World Championship challenger D Gukesh bounced back from a sedate start to defeat compatriot R Praggnanandhaa and Germany's Vincent Keymer before holding world No. 1 Magnus Carlsen after round six of the Superbet rapid and blitz tournament in Warsaw on Friday. However, Praggnanandhaa produced a strong fifth round, defeating Holland's Anish Giri and he followed it with a win over Keymer in the sixth round. Norway's Carlsen shares the lead with Wei Yi of China with eight points apiece while Praggnanandhaaa and Shevchenko share the third spot on seven points each.