7/20/2019 – No tiebreakers were needed to decide who will play the final match of the FIDE Grand Prix in Riga, as Shakhriyar Mamedyarov drew Wesley So (after having beaten the American in game one) and Maxime Vachier-Lagrave took down Alexander Grischuk in the rematch encounters of the semi-finals. Given that the sole rest day was scheduled for Sunday and the potential tiebreaks were to take place on Saturday, the finalists will have two days to recover before the deciding match-up. | Photo: Niki Riga / World Chess
new: Fritz 20
Your personal chess trainer. Your toughest opponent. Your strongest ally. FRITZ 20 is more than just a chess engine – it is a training revolution for ambitious players and professionals. Whether you are taking your first steps into the world of serious chess training, or already playing at tournament level, FRITZ 20 will help you train more efficiently, intelligently and individually than ever before.
Winning starts with what you know The new version 18 offers completely new possibilities for chess training and analysis: playing style analysis, search for strategic themes, access to 6 billion Lichess games, player preparation by matching Lichess games, download Chess.com games with built-in API, built-in cloud engine and much more.
Doesn’t every chess game get decided by mistakes? Absolutely. But most players never truly comprehend that they are making the same kind of mistakes over and over again.
€36.90
Vachier-Lagrave honours Benko
Hungarian legend Pal Benko turned 91 on Monday, and we can call Maxime Vachier-Lagrave's exemplary handling of the gambit that is named after him — the Benko Gambit — a belated honorary gift. The Frenchman took down Alexander Grischuk with the black pieces after their first encounter had finished in a draw, which means he has reached the final of the Grand Prix in Riga without needing tiebreaks even once (he also won rounds one and two in the classical stage).
Meanwhile, Wesley So was in a must-win situation against Shakhriyar Mamedyarov. The American did not choose an over-the-top risky strategy, which meant his opponent was in position to simplify into a balanced queen endgame. So kept on trying but could not prevent Mamedyarov from finding a threefold repetition, which secured him match victory and a spot in the final.
Match results
Click or tap any result to open the game via Live.ChessBase.com
The final match-up kicks off Monday, July 22nd, as Sunday is the only scheduled rest day in Riga and there was no need for tiebreaks on Saturday.
"What is going on?!" | Photo: World Chess
Grischuk ½:1½ Vachier-Lagrave
The game started 1.d4 ♞f6 2.c4 g6 and Alexander Grischuk escaped his rival's Grünfeld with drastic measures — 3.h4, a move previously played by the likes of Anton Korobov and Richard Rapport. Maxime Vachier-Lagrave thought long and hard before responding with 3...c5. There followed 4.d5 b5 5.cxb5 a6 and the players were exploring Benko Gambit territory, but with the h-pawn already committed on the fourth rank.
As usual, the computers assessed White's position favourably, with his central space and the extra pawn two highly valued commodities by the engines. By move 15, the players reached the following complex position:
On this DVD Dorian Rogozenco, Mihail Marin, Oliver Reeh and Karsten Müller present the 8. World Chess Champion in video lessons: his openings, his understanding of chess strategy, his artful endgame play, and finally his immortal combinations.
Grischuk was not happy with his 15.♖e1, but at the same time he thought he had some chances, as at this point he rejected his opponent's draw offer.
Vachier-Lagrave continued to create threats on the queenside and showcased his great calculation abilities in the following lengthy sequence:
Feel free to try your own variations on the diagram above
There followed 20...♞bd3 21.f4 ♛b4 22.♘b1 c3 23.fxe5 ♞b2 (a move missed by Grischuk) 24.♕c2 cxd2 25.♕xb2 ♛xe4 26.♕xd2 ♜c2 (the rook joins the fray) 27.♕d3 ♜xe2 28.♕xe4 ♜xe4 and the players reached an endgame in which White was still a pawn up, although Black had better piece coordination.
The Frenchman handled the position masterfully, and by the time he played 42...g5 it was clear that only a miracle would save his Russian opponent:
The rook on a3 is completely out of play, while the knight is the only piece preventing Black from capturing on f2 with decisive effect — therefore, Grischuk had to play the ugly 43.♖f1. The game lasted five more moves, when the black rooks doubled on the second rank.
Grischuk's assessment of the game could not have been clearer:
I think it was a fantastic game by Maxime. [...] At least to me it seems that he played extremely precisely. I mean, I just need one move and I will be totally fine, but I never got the time to make it.
Don't give 1.d4 players an easy ride — sacrifice a pawn with 3.b5 for a lasting initiative. GM Ramirez shows you clear ideas for play in every variation.
Alexander Grischuk needed a change of perspective | Photo: Niki Riga / World Chess
Game analysis with Maxime Vachier-Lagrave
So ½:1½ Mamedyarov
Meanwhile, in the other semi-final, Wesley So was looking for ways to create holes in the Queen's Gambit Accepted structure put forth by Shakhriyar Mamedyarov. The Azeri grandmaster never fell prey to the temptation of leaving aside his solid strategy — in fact, the pawn structure only lost its symmetry when there was not enough material left on the board for White to stir up trouble:
After 25.♗xd5 exd5, White cannot capture the central pawn due to the mate on the back rank. The American pushed 26.h4 but Black kept things completely under control with 26...♛c5.
So tried to make something out of nothing until move 38, when there was no way to prevent Black's perpetual checks. Much like Grischuk, he decorously accepted his defeat:
It's hard to come back after losing the first game, and Shak played very well and I think he completely deserved to win the match. All the best in the finals.
How do you play the Queen's Gambit Acceptedt? Does White have promising variations or can Black construct a water-tight repertoire? The Powerbook provides the answers based on 195 000 games, most of them played by engines.
Wesley So thought Shakhriyar Mamedyarov deservedly defeated him in their match-up | Photo: Niki Riga / World Chess
The Vienna Variation is a particular and independent system of the Queen's Gambit. It arises after 1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 dxc4, when Black's capture on move 4 is strongly reminiscent of the Queen's Gambit Accepted.
Commentary by GMs Evgeny Miroshnichenko and Arturs Neikans
Antonio PereiraAntonio is a freelance writer and a philologist. He is mainly interested in the links between chess and culture, primarily literature. In chess games, he skews towards endgames and positional play.
Throughout the video course, Sasikran shows various examples from his career to explain sacrifices for initiative, an attack, a better pawn structure and much more.
In this insightful video course, Grandmaster David Navara shares practical advice on when to calculate deeply in a position — and just as importantly, when not to.
The Trompowsky is especially suited for faster time controls as you don‘t have to memorise endless lines of theory, and you push your opponent out of their comfort zone after your second move.
Trompowsky Powerbook 2025 is based on 53,000 computer games from the engine room of playchess.com as well as 49,000 games from Mega and correspondence chess.
Trompowsky Powerbase 2025 is a database and contains a total of 8727 games from Mega 2025 and the Correspondence Database 2024, of which 316 are annotated.
2025 European Championship with a German double victory and analyses by Bluebaum, Svane, Rodshtein, Yuffa, Navara and many more. Opening videos by Engel, King and Marin. Training sections “The Fortress”, “The Trap” and “Fundamental Endgame Knowledge" etc.
Powerbook based on more than 618 000 games in which White already sidesteps the main variations of the Sicilian on move 2.
€9.90
We use cookies and comparable technologies to provide certain functions, to improve the user experience and to offer interest-oriented content. Depending on their intended use, analysis cookies and marketing cookies may be used in addition to technically required cookies. Here you can make detailed settings or revoke your consent (if necessary partially) with effect for the future. Further information can be found in our data protection declaration.
Pop-up for detailed settings
We use cookies and comparable technologies to provide certain functions, to improve the user experience and to offer interest-oriented content. Depending on their intended use, cookies may be used in addition to technically required cookies, analysis cookies and marketing cookies. You can decide which cookies to use by selecting the appropriate options below. Please note that your selection may affect the functionality of the service. Further information can be found in our privacy policy.
Technically required cookies
Technically required cookies: so that you can navigate and use the basic functions and store preferences.
Analysis Cookies
To help us determine how visitors interact with our website to improve the user experience.
Marketing-Cookies
To help us offer and evaluate relevant content and interesting and appropriate advertisement.