Bishop's Opening Lewis Countergambit: Adviser, Diagrams and Replay Lab

The Lewis Countergambit is 1.e4 e5 2.Bc4 Bc5 3.c3 d5. Black immediately attacks the centre instead of allowing White to build the ideal c3 and d4 setup. Use the Lewis Start Diagram to fix the move order.

The exact move order is 1.e4 e5 2.Bc4 Bc5 3.c3 d5. It arises from the Bishop's Opening Philidor Variation after White chooses 3.c3. Use the Lewis Start Diagram before opening the Replay Lab.

The countergambit is named after William Lewis, the English player and author. Lewis published analysis of the line in 1834. Use the history note beside the Lewis Start Diagram.

Black plays 3...d5 to stop White from getting a comfortable c3 and d4 centre. The move turns White's planned central expansion into an immediate tactical question. Use the Adviser with side set to Black.

Yes, it is Black's most energetic answer to the Philidor Variation after 3.c3. It belongs as a sharp child line under the 3.c3 page. Use the Branch Map to return to the Philidor page.

No, it is rare in practical databases and currently has very limited model-game coverage. That makes it better as a compact specialist page than a huge replay-heavy authority page. Use the two-game Replay Lab.

It is playable as a surprise counter but must be handled concretely. Black is fighting for activity and development rather than just a comfortable equal position. Use the Lange Attack Diagram.

Yes, club players who use or face 3.c3 should know the basic idea. Even if it is rare, the move 3...d5 can appear as a practical central strike. Use the Adviser to choose a short study route.

White's critical practical reply is often 4.Bxd5. White accepts the challenge and asks Black to show compensation for the central pawn break. Use the 4.Bxd5 Nf6 Diagram.

The historic Max Lange game continued 4.Bxd5 Nf6. Black developed with tempo and built a dangerous attack after White's queen moves. Use the 4.Bxd5 Nf6 Diagram.

The modern supplied game continued 4.Bxd5 Qf6. Black immediately pressures f2 and keeps attacking chances, but White survived and won in that example. Use the Modern Qf6 Diagram.

White can choose alternatives, but ignoring ...d5 risks letting Black solve the centre too easily. The reason 4.Bxd5 is important is that it tests Black's countergambit directly. Use the Lewis Start Diagram.

4.Bxd5 wins a central pawn and challenges Black's concept immediately. White asks whether Black's activity is enough compensation. Use the 4.Bxd5 Nf6 Diagram.

After 4.Bxd5, Black can gain time with moves like ...Nf6 or ...Qf6. The bishop on d5 and White's queen-side development can become targets. Use the historic and modern replay buttons.

White can win material but fall behind in development and king safety. Max Lange's historic game shows how fast Black's initiative can become decisive. Use the Lange Attack Diagram.

Black can overplay the attack if White consolidates and trades queens. The modern supplied game shows White surviving the early pressure. Use the Modern Qf6 Diagram.

There are only two supplied model games for the exact 3.c3 d5 move order. That is enough for a focused specialist page but not enough to pretend the line has broad replay depth. Use the two-game Replay Lab.

Watch Schwenkenberg vs Max Lange first. It is the historic attacking model where Black's activity becomes overwhelming. Use the Historic Lange replay button.

Bin Suhayl vs Gergelova is more useful for White players. It shows that White can survive the early pressure and simplify if Black's attack does not land. Use the Modern Survival replay button.

Schwenkenberg vs Max Lange is better for Black players. It shows the attacking point of ...Nf6, ...e4, ...f5, and direct king pressure. Use the Historic Lange replay button.

Compare Black's fourth move after 4.Bxd5. The historic game uses ...Nf6, while the modern game uses ...Qf6. Use the Replay Lab selector to watch both games back to back.

Study the opening phase deeply rather than chasing volume. Compare the first ten moves, the king-safety differences, and whether queens stay on the board. Use the Adviser after each replay.

Black can use it as a surprise weapon, but it is risky as a main repertoire choice. The line is sharp and model-game evidence is thin. Use the Adviser with side set to Black.

No, White should not avoid 3.c3 only because of 3...d5. White just needs one clear response and awareness of Black's active ideas. Use the 4.Bxd5 Nf6 Diagram.

Yes, it is more forcing because Black attacks the centre immediately. White has less time to build the ideal c3 and d4 structure. Use the Lewis Start Diagram.

White's biggest mistake is grabbing material while ignoring development and king safety. The centre can collapse if White's king stays exposed. Use the Lange Attack Diagram.

Black's biggest mistake is playing ...d5 without following up energetically. If the initiative fades, White may simply keep the extra material or force trades. Use the Modern Survival replay.

3...Nf6 develops first, while 3...d5 challenges the centre immediately. The Lewis line is more direct and riskier. Use the Branch Map to return to the Philidor page.

3...Nc6 is a normal developing move, while 3...d5 is an immediate countergambit. The Lewis line creates faster contact but gives White concrete targets. Use the Branch Map.

After this page, return to the Philidor Variation and compare 3...Nf6, 3...Nc6, and queen-move systems. That gives the Lewis idea proper context. Use the Branch Map links.

Yes, as a compact specialist page, not as a giant replay page. It has a named historical identity, a clear move order, and two contrasting model games. Use this page as the Lewis Countergambit mini-lab.

Remember it as Philidor c3, then Black hits immediately with ...d5. The idea is not to wait for White's d4 centre. Use the Lewis Start Diagram and then play through both replays.