So leads, Pragg joins chasers
Wesley So remained the only chief of the Sinquefield Cup after spherical 4 on Thursday. Solely one of many 5 video games ended decisively, with Praggnanandhaa Rameshbabu defeating Jorden van Foreest to maneuver into the group instantly behind the chief.
Praggnanandhaa is now degree with Maxime Vachier-Lagrave and Levon Aronian, half some extent behind So. Three gamers at present have a fifty-percent rating on 2/4, whereas Van Foreest is struggling after drawing one sport and dropping three to this point within the occasion.
Spherical 4 outcomes
Image this: you’ve outplayed your opponent transfer by transfer, you’re clearly higher – after which the endgame slips right into a draw, merely since you lacked the essential theoretical data. That’s precisely the place this course is available in. With out strong endgame abilities, there’s no method ahead. Rook endgames are most important: they happen extra typically than another kind of endgame, and infrequently make the distinction between victory and half some extent. If you happen to grasp them, you’ll confidently convert your benefits into wins!
Free video pattern: Introduction
Free video pattern: Bodycheck

Sole chief Wesley So | Photograph: Lennart Ootes
The day’s solely decisive sport grew to become sharp nearly instantly. Pragg supplied a pawn sacrifice early on in a battle rising from a French Defence, and Van Foreest accepted it. The Indian grandmaster had not anticipated his opponent to take the pawn, and consequently spent a while recalling the main points of White’s plan.
The issues quickly intensified, with Black finally sacrificing his queen for a minor piece and a rook. Importantly, Pragg emerged ready with none reasonable hazard of discovering himself worse. The primary sensible query was whether or not Van Foreest might assemble a fortress and forestall White from changing.
Pragg remained alert to a number of potential defensive setups and progressively discovered a solution to make his materials benefit depend. The ultimate part grew to become a technical train in changing queen in opposition to rook, and Van Foreest was finally compelled to concede.

A pure queen versus rook endgame appeared within the one decisive sport of spherical 4 | Photograph: Lennart Ootes
Vachier-Lagrave remained within the chasing group after drawing Keymer. The Frenchman opened with 1.d4, as soon as once more steering away from his ordinary 1.e4 (he performed 1.c4 in his earlier sport with white) and obtained a quick edge at one stage, however the benefit quickly disappeared and the gamers agreed a draw by transfer 35.
In the meantime, Aronian and So explored a Berlin Defence and produced a real combat, with each gamers calculating sharp prospects earlier than the place finally settled down. Aronian thought of some extremely sophisticated continuations, however didn’t see ample purpose to take pointless dangers.
Within the post-game interview, Aronian advised Maurice Ashley that he noticed 22.Nf5 Nh4 23.Na4 right here, however determined it was overly optimistic, noting that his second Aryan Tari warned him about his tendency to take too many dangers.
Subsequently, Aronian performed it protected with 22.Qf5, which he appropriately assessed as drawing if Black discovered the right continuations. With neither aspect making a severe error, the sport ended by threefold repetition on transfer 32.

Maxime Vachier-Lagrave taking a look on the battle between Levon Aronian and Wesley So | Photograph: Lennart Ootes
Within the sport Giri v. Sindarov, the Dutch grandmaster as soon as once more discovered himself defending an opposite-coloured bishop ending whereas a pawn down, just like the kind of place he had confronted in opposition to Sevian in spherical three. This time, nonetheless, his defensive setup held, and Sindarov was unable to make additional progress.
The longest sport was Sevian’s draw with Caruana. Sevian reached an endgame through which he was an alternate up for a pawn, however the place remained throughout the drawing margin all through. Caruana defended precisely and by no means allowed his opponent to create severe successful possibilities, finally securing the half-point.
Following Friday’s fifth spherical, the gamers will get a relaxation day.

Fabiano Caruana | Photograph: Lennart Ootes