Grunfeld Accelerated Russian System Adviser & Replay Lab

The Grünfeld Accelerated Russian System begins with 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Qb3. White attacks d5 and b7 before playing Nf3, asking Black to solve the centre immediately. Start with the 4.Qb3 Start diagram to anchor the move order.

It is called Accelerated Russian because White plays Qb3 immediately on move four. The normal Russian System usually reaches Qb3 later after 4.Nf3 Bg7 5.Qb3. Use the 4.Qb3 Start diagram and then compare the Russian System page.

The main difference is that White has not yet played Nf3 and Black has not necessarily committed ...Bg7. That changes the queen chase, the knight manoeuvres, and the timing of ...dxc4. Use the dxc4 Qxc4 diagram to see the immediate distinction.

Black most often replies 4...dxc4, forcing White's queen to recapture on c4. This removes the d5 pawn and starts the central debate before White completes kingside development. Use the dxc4 Qxc4 diagram.

White plays Qb3 early to attack d5 and b7 before Black reaches a comfortable Grünfeld setup. The queen also supports central expansion with e4 after Qxc4. Use the Bg7 e4 O-O diagram to connect the queen move to the centre.

Black plays ...dxc4 to remove the attacked d5 pawn and make White's queen move again. It also creates targets on c4 and delays White's smooth development. Use the dxc4 Qxc4 diagram before replaying Carlsen vs Dominguez.

After 5.Qxc4 Bg7, White often builds with e4 while Black castles and attacks the centre. This can transpose toward Russian-style positions, but the move order has given both sides different options. Use the Bg7 e4 O-O diagram.

The ...Nfd7 and ...Nb6 plan chases the queen and prepares central or kingside counterplay. It is a key antidote to White's early queen activity. Use the Nfd7 Nb6 diagram before replaying Carlsen vs Dominguez.

The ...Be6 queen chase is a modern reply after 5.Qxc4, immediately attacking the queen and asking it to choose b5, a4, d3, or another square. This can make White's accelerated queen look like a target rather than a pressure piece. Use the Be6 Queen Chase diagram before replaying Meier vs Naiditsch.

The early ...c5 strike challenges White's centre before it can stabilise. It often appears in ...Be6 lines after Qd3 or in sharp attempts to punish queen movement. Use the Early ...c5 Strike diagram before replaying So vs Vachier-Lagrave.

Ivanchuk vs Mamedyarov shows the Accelerated Russian becoming a heavy strategic battle after ...b5 and ...Qa5. Black eventually turns piece activity and passed pawns into a win. Load Ivanchuk vs Mamedyarov from the replay lab.

Carlsen vs Dominguez shows the 4.Qb3 system with ...Nfd7, ...Nb6, and ...f5. White keeps pressure and later converts after Black's pieces drift. Load Carlsen vs Dominguez after the Nfd7 Nb6 diagram.

Pashikian vs Kurnosov shows a dynamic D97 version with ...a6, ...b5 and tactical central play. White's c-pawn pressure later becomes decisive. Load Pashikian vs Kurnosov from the forcing ...Bg7 group.

Kazhgaleyev vs Vachier-Lagrave shows the ...Be6 queen chase and a long structural struggle. It is a useful model for how White can still squeeze after early queen movement. Load Kazhgaleyev vs Vachier-Lagrave from the ...Be6 group.

Meier vs Naiditsch shows how critical the ...Be6 and ...c5 plan became in modern Accelerated Russian theory. The game also warns that Black must solve the queenside structure quickly. Load Meier vs Naiditsch from the ...Be6 group.

Svidler vs Gelfand shows Black's active solution with ...Be6, ...c5, ...b5 and long castling in a transposed c4 move order. It is an important Black model for punishing an exposed queen. Load Svidler vs Gelfand from the sharp counterplay group.

Nakamura vs McShane shows how White can use the central bind and piece activity in a forcing D97 line. White's rook invasion follows from the pressure created by the early queen and centre. Load Nakamura vs McShane from the forcing replay group.

So vs Vachier-Lagrave shows the sharp ...Be6 and ...c5 branch where Black wins through active central play. It is a warning that White's early queen moves can be punished if the centre overextends. Load So vs Vachier-Lagrave from the ...Be6 group.

Fressinet vs Edouard shows the early Qxc7 idea after ...a6 and ...b5. White wins by converting the material and activity after Black's compensation fails. Load Fressinet vs Edouard from the material-grab group.

Socko vs Swiercz shows a modern D81 treatment where White's passed d-pawn and active rooks decide the game. It is a good model for White's tactical resources after ...Be6 and ...c6. Load Socko vs Swiercz from the modern replay group.

Yes, 4.Qb3 is dangerous if Black does not react concretely to d5, b7, and the queen on c4. Passive development can allow White to build e4 and gain lasting initiative. Use the Adviser with Black selected to choose a forcing response.

Yes, 4.Qb3 is risky because the queen can become a target after ...dxc4, ...Be6, ...c5, ...Qa5, or ...b5. White must turn the queen's activity into central gains rather than lose tempi. Use the Be6 Queen Chase diagram before playing the line.

Black can choose ...Bg7 for natural development or ...Be6 for immediate queen pressure. The ...Bg7 line often leads to e4 and O-O structures, while ...Be6 tests the queen straight away. Use the Bg7 e4 O-O and Be6 Queen Chase diagrams side by side.

White often plays e4 quickly after Qxc4 because the queen supports the centre. The move is powerful but gives Black targets for ...O-O, ...Nfd7, ...Nb6, ...f5 and ...c5. Use the Bg7 e4 O-O diagram before replaying Carlsen vs Dominguez.

A common White mistake is moving the queen repeatedly without gaining central control. If the queen becomes a target, Black gets free development and counterplay. Use the Be6 Queen Chase diagram before choosing a queen square.

A common Black mistake is treating 4.Qb3 like a normal Russian System position. The missing Nf3 move and early queen placement change the timing of ...dxc4, ...Bg7, ...Be6, and ...c5. Use the 4.Qb3 Start diagram to remember the difference.

Club players should study 4.Qb3 by learning the start position, the Qxc4 recapture, one ...Bg7 model and one ...Be6 model. That covers the two biggest practical branches without drowning in move orders. Use Carlsen vs Dominguez and Meier vs Naiditsch in the Replay Lab.

Watch Carlsen vs Dominguez first because it is the cleanest D81 Accelerated Russian model. Then watch Meier vs Naiditsch for the modern ...Be6 challenge and Svidler vs Gelfand for Black's active counterplay. Use the Replay Lab optgroups in that order.

This page covers 4.Qb3 before Nf3, while the Russian System page covers the later Qb3 setup after 4.Nf3 Bg7. The plans overlap, but the move-order tactics are different. Use this page first when your repertoire starts with immediate 4.Qb3.

The main takeaway is that 4.Qb3 asks Black a question before normal Grünfeld development is complete. White wants central initiative, while Black wants to make the queen spend time or overextend the centre. Use the Adviser to connect your side to the right diagram and replay.