The ‘Caveman’ move explained: How R Praggnanandhaa stunned Anish Giri with a shock move

Cyprus witnessed an absolute thriller on the opening day of the Candidates Tournament. Indian grandmaster R Praggnanandhaa didn't just secure a crucial full point against the formidable Dutch number-one, Anish Giri. He managed to do it by completely rewriting the script of what an elite chess match is supposed to look like. If spectators were expecting a slow, methodical grind between two deeply prepared minds, the 20-year-old Indian prodigy had a wholly different agenda. He dropped a tactical bomb on the board, securing what experts are already calling the most entertaining game of the round.So, what exactly did Pragg pull out of his arsenal? He opted for the Grand Prix Attack in a Caveman move style. For those not entirely familiar with chess jargon, this is a wildly aggressive variant of the famously complex Sicilian Defence. But here is the fascinating catch. You almost never see this specific attack played at the highest echelons of competitive chess.It is actually a beloved opening for amateur club players. Why? Because it revolves around a very straightforward, almost brute-force plan: push the f-pawn early and launch a direct assault on the enemy king to secure a quick checkmate. Chess.com even noted that these kinds of "caveman tactics" are generally considered highly unlikely to work against top-tier professionals. Yet, there it was, unfolding on the grandest stage. The sheer brilliance of Pragg's choice wasn't just in the pieces on the board, but in the psychological warfare behind them. Anish Giri isn't just a great player; he is a revered theoretician. The man literally has his own instructional course teaching others how to navigate the Sicilian Defence.By playing an opening that dates all the way back to 1800s London - a line famously used in a sharp clash between Anand and Kasparov back in 1994 - Praggnanandhaa aimed for one specific goal. He wanted to drag Giri into the unknown. "I think this line is playable and takes my opponent out of theory," Pragg casually explained to FIDE later. It was a masterful, calculated risk designed entirely to disarm a famously cautious player who genuinely dislikes sudden surprises.This mental disruption paid massive dividends almost immediately. Thrown completely out of his comfort zone, Giri was forced to burn through massive amounts of time on his clock early in the game. Caught completely off guard, he had to figure out every single move on the fly. He was practically tiptoeing through the traps of a setup he hadn't even bothered to prepare for. And Pragg? The young Indian phenom was fully in his element, blitzing out his pieces with a terrifying, rapid-fire confidence. All that relentless early heat gave the Dutch grandmaster no choice but to castle his king on the far side of the board - a desperate measure that left his setup looking incredibly fragile and distinctly uncomfortable. To his immense credit, Giri fought valiantly, keeping the game tantalizingly close to equality for a significant stretch of the afternoon. But defending a fragile setup while your clock is ticking down is an incredibly exhausting task.As the match finally approached the critical time control limit, the defensive dam broke. Giri, feeling the immense squeeze of the clock and the board, made a fatal blunder.When the opportunity presented itself, Praggnanandhaa was ruthless. He didn't put a single foot wrong for the remainder of the encounter. Displaying technique well beyond his years, he flawlessly converted his advantage in the ensuing rook endgame. Chess.com officially dubbed his performance the "cleanest win of the day." It serves as a stark, brilliant reminder that sometimes the absolute best way to topple a certified genius is to hit them with a move they are simply too smart to expect.Image: (FIDE/Michal Walusza)/X