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After five rounds, no one seemed to find a way to build up momentum and get ahead of the field at the US Championship — five players were sharing first place on 3/5. Three days later, with a rest day in between, Nakamura leads on +3 after racking up two consecutive wins. Fabiano Caruana also won two in a row and is one of the chasers, together with Leinier Dominguez and Sam Sevian.
As shown above, all the players with 4½ or more points won in round seven. The one who finished the job first was Sam Sevian, as he banked on Ray Robson's tame approach in the opening to get his third win of the event. Already in an inferior position, Robson was too greedy and captured the poisoned pawn on b7:
After 19.♕xb7, Sam was able to bring one more piece into the attack with 19...♜ab8 20.♕xa7 ♜xb2. Black is a pawn down but his whole army is aimed against the opponent's king, with rooks on the semi-open f-file and on White's second rank. Naturally, Sevian gave up his light-squared bishop on h3 a move later and shortly afterwards showed a flashy winning sequence to bag the full point:
A simple idea underpins the Exchange Variation of the Ruy Lopez. Take all the pieces off and White wins the ending. Naturally, the execution of this plan is anything but simple because Black obtains the Bishop pair and free piece play to compensate him for his doubled pawns on c6. Nevertheless, it is useful to have something to aim for! Many World Champions have employed 4.Bxc6
24...♜fxf2+ 25.♗xf2 ♛g3+ and "that's all she wrote", as commentator Maurice Ashley would say.
Sevian seems to have figured it out | Photo: Austin Fuller / Saint Louis Chess Club
Hikaru Nakamura also won with Black. He quickly showed his intentions to get a fight against Varuzhan Akobian by inviting his opponent to expand on the centre. The fact that Akobian proposed the exchange of queens the first time he had a chance to do so proves that Naka's strategy worked out perfectly:
Var spent 22 minutes before deciding on 14.♕e1, when 14.♘e2 was a sharper attempt to take advantage of Black's non-standard play. Hikaru exchanged queens and went on to put pressure on the kingside with energetic play. When the smoke cleared, however, all Black had was a superior rook endgame with material equality:
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Nakamura has a better pawn structure and showed accurate technique to eventually get a 47-move win from this position.
Four-time US champion Hikaru Nakamura | Photo: Lennart Ootes / Saint Louis Chess Club
A good technical effort was also made by Leinier Dominguez, who, much like Robson, captured a free b7-pawn, but with opposite effect in the long run. Dominguez's rival, Aleksandr Lenderman, was well within his preparation when the pawn was captured:
First Steps in Positional Play
‘First Steps in Positional Play’ attempts to equip the viewer with all the information he or she needs to begin to tackle this aspect of chess. Players below 1500 will benefit from this basic advice. Players above 1500 will enjoy the detailed examination of many current master games. This is an enjoyable tour of positional play from which everyone can learn.
This is still theory, and given Black's speedy play until this point Lenderman knew exactly what he was doing. In fact, the players remained within theory until move 18, when only one of four previous encounters had favoured White — the other three were drawn.
Black was a pawn down but had very active pieces later on, with his rook on the second rank and his knight well-established in a central square. Nonetheless, Dominguez patiently improved his position and ended up inflicting Lenderman's first defeat of the event after 46 moves.
Leinier Dominguez Perez | Photo: Austin Fuller / Saint Louis Chess Club
The last game to finish in either tournament was Fabiano Caruana's 125-move win over Timur Gareyev. Caruana achieved a positional advantage around move 50, but faced great resistance from the "blindfold king". After 87 moves, a rook and bishop vs rook ending arose, the same ending Gareyev had saved against Sam Sevian in round four. This time around, however, he faltered in the end:
Chess Endgames 8 - Practical Rook Endgames
Rook endings are amongst the most frequently encountered endgames there are, and so your training effort will be quickly repaid in the form of half and full points. Knowing even a few rules of thumb and key methods makes life a great deal easier and provides a guiding light even in complex positions. This DVD focuses on the important themes which are to be found in common rook endings.
Feel free to move the pieces on the diagram above!
White needed to play 122.♖h5 in order to avoid what happened in the game. Instead, after 122.♖g3, Fabiano showed the winning technique in no time: 122...♜b5+ (this would not have been possible with the white rook on the fifth rank) 123.♔a4 ♜h5 124.♖f3 ♜h1 125.♔a5 ♜h6 and White resigned.
Fabiano's winless streak is a thing of the past | Photo: Lennart Ootes / Saint Louis Chess Club
While things could not have gone better for Jennifer Yu so far in Saint Louis, rating favourite Irina Krush is having a nightmare tournament at this year's US Women's Championship. In round seven, Krush fell against her perennial rival Anna Zatonskih, who despite having shown great chess so far in the event is still a half point behind Yu in the standings. Anna got to play a flashy move to achieve her fifth win of the tournament:
The aim of this course is to help you understand how to make tactical opportunities arise as well as to sharpen your tactical vision - these selected lectures will help to foster your overall tactical understanding.
31...♜a2 and White cannot save her queen as it is impossible to prevent Black from playing ...♛h2, with a deadly skewer.
Anna is having a great event | Photo: Lennart Ootes / Saint Louis Chess Club
Zatonskih could have arrived in round eight as the sole leader had Sabina Foisor taken advantage of the winning chances she got against the leader. The game was a complete roller-coaster, which was eventually won by Jennifer Yu, who also had turned around an unfavourable situation in her sixth round game. Nerves of steel might end up giving the youngster her first US title. So far, she has amassed an astounding 6½/7 score!
It could have gone either way: Yu vs Foisor | Photo: Lennart Ootes / Saint Louis Chess Club
The winners of this year's edition will also be the first ones to get the newly designed trophies presented by the organisers. The Canadian firm Protocole created a contemporary-looking design with a 4x8 foot, half-inch-thick aluminium sheet.
The Canadian company also designed trophies for the PGA Champions Tour and the Formula One "Grand Prix du Canada". The President of the firm, Jean-Philippe Caron, explained that the 30-inch-tall design (a 12-inch replica will be given to each champion) gives primary importance to the king yet integrates the other pieces.
The stunning effect created by the bishop embedded into the queen, herself embedded into the king, gives a poetic aspect to this splendid creation.
The new designs | Photo: Lennart Ootes / Saint Louis Chess Club
Up close | Photo: Lennart Ootes / Saint Louis Chess Club
