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Hikaru Nakamura is one of the three 2700+ players in the US championships and therefore one of the favourites. But he has not really gotten it going through seven rounds in St. Louis. After posting six half points, he's now become the second high-profile victim of US Champs newcome Zviad Izoria. On Izoria's 1.Nf3, Nakamura responded with 1...g6 and the game turned after 2.e4 to the Modern Defence (also known as the Robatsch defence after the Austrian GM Karl Robatsch), where Izoria chose a line with Bc4, Qe2 and the thrust e4-e5 while delaying the development of his queen's knight.
After 7.e5 Black continued 7...Ng4 8.h3 Nh6 accepting a clearly worse position in an effort to throw his opponent off balance. The result, however, was a significant space advantage and the easier-to-play position for Izoria, while Nakamura struggled to find optimal squares for his pieces. After a difficult game, Nakamura found himself in a pawn-down rook ending in which he was outmanoeuvred by Izoria and eventually even lost on time! A rarity for speed-demon Nakamura.
The Modern Pirc is actually a mixture of the Caro-Kann and the Pirc. In many lines Black combines the ideas of the classical Pirc in which the fianchettoed bishop is important with the Caro-Kann idea to fight for the center with c6-d5.
After losing two of his first three games, Izoria is now back on an even score, tied for 4th-6th place and ahead of Nakamura | Photo: Lennart Ootes
Fabiano Caruana is proving to be a true French killer at these US Championships. After blowing Alex Lendermann off the board in a second round Winawer variation, French specialist Varuzhan Akobian tried his luck in a rarely played version of the Classical French with 8...b6. Caruana went against conventional wisdom and opted for long castling, while Black's king remained in the centre. The players then took turns using their win pawns as battering rams until all hell broke loose.
The Classical French - Main Line
After 1.e4 e6 2.d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3, the author takes a detailed look at a daring line with 7... cxd4 8. Nd4 Qb6, as well as the quieter plans with 7...cxd4 8. Nd4 Bc5, and the main line with 7... a6 and b5.
Alex Lenderman, like Izoria, has returned to an even score. He celebrated the third win of the day against Alex Onischuk, who has been unfortunate thus far in this tournament and stands in last place
After 38...Kg7 39.hxg6 fxg6 40.Re6 Black lost his pawn on e5. A little tougher was 38...Nd7, although White is clearly for choice with a more active rook and stronger minor piece in this ending with pawns on both flanks.
Chess Endgames 9 - Rook and Minor Piece
Endings with rook and minor piece against rook and minor piece occur very frequently, even more often than rook endings, yet there's not much literature on them. This endgame DVD fills this gap. The four different material constellations rook and knight vs rook and knight, rooks and opposite coloured (and same coloured ) bishops and rook and bishop vs rook and knight are dealt with. In view of the different material constellations Karsten Mueller explains many guidelines like e.g. "With knights even a small initiative weighs heavily".
Lenderman was all smiles even before the win | Photo: Lennart Ootes
The front-runner Sam Shankland was able to coast through his game against Wesley So most of the time. The pair followed an old Zoltan Ribli game against Ulf Andersson from 35 years ago through 14 moves before simplifying into a dead equal ending. Shankland then needlessly gave up a pawn, but the 4 vs 3 rook and bishop ending was not enough for So to make hay of. They players shook hands after less than half an hour of play.
My best games in the Grünfeld by Alexei Shirov
The Gruenfeld Defense is an active and dynamic reply to 1.d4 which can lead to complex and extremely sharp positions. So it’s no wonder that also Alexei Shirov included this opening into his repertoire. At the candidates’ final against Vladimir Kramnik in Cazorla in 1998, he exclusively – and successfully – trusted the Gruenfeld Indian with Black; the victory over Kramnik gave him the right to play a WCh match versus Kasparov.
Wesley So's extended post-game chat
The game between Awonder Liang and Ray Robson also resulted in a pawn advantage for White, but it too was not enough to win.
Jeffrey Xiong vs Yaroslav Zherebukh was a strategically challenging variation of the Catalan opening that ultimately resulted in a balanced rook ending.
Annie Wang added to her winning ways, this time wrestling Anna Sharevich down in a colourful and varied game. However, Sharevich missed a sparkling chance of her own in the middlegame:
How should Black develop her queenside? If 29...Nd7 then 30.Bg4 wins the knight, so Wang rolled the dice on 29...Na6. White spent a few minutes and grabbed the knight on a6 but that gave Wang counterplay, 30.Bxa6 Rh8, with the idea of Rh5! Now 31.Rxe4 (Qc6 threating Qxe4 would retain White's edge) let Black fully back into the game. Instead, the intermezzo 30.Bf1 would have decided the game in Sharevich's favour, as the queen is driving back to at least h5, ruling out the Rh8-h5-g5 attacking manoeuvre. From there the game trended firmly in Wang's direction.
Annie Wang continues her impressive run | Photo: Lennart Ootes
Translation from German and additional reporting: Macauley Peterson
Arne Bracker contributed to this report
