Analysis of Erigaisi - Laohawirapap: The 5.e5! Move and Lessons from the Italian Game Opening

I remember that evening, replaying the game between Arjun Erigaisi and Laohawirapap on my screen, when White's fifth move appeared: 5.e5!. The white pawn advances, attacking the black knight on f6, opening a battle for space right from the opening. This move is not new, but the way it was used in this game made me pause and take notes. This is the Modern variation of the Italian Game, a sharp system that any chess player should know, if only to defend against it. This is part of the "Game of the Week #740" series, a well-known chess analysis series.

Context: Italian Game and the Modern Variation

The Italian Game begins with 1.e4 e5 2.Nf3 Nc6 3.Bc4. It is one of the most classical openings, yet it remains attractive due to its flexibility. The Modern variation occurs after 3...Nf6 4.d4 exd4 5.e5!. This move can also be reached from the Scotch Gambit: 3.d4 exd4 4.Bc4, when Black plays 4...Nf6. Transposing between systems is a hallmark of modern chess, where players frequently transpose to steer opponents into familiar territory.

This variation is considered sharp and full of traps. Evgeny Sveshnikov, a grandmaster known for his meticulous research, used it many times. According to the original article, this variation yields "very good results" for the grandmasters who employed it, and is said to be "perfect for club players" because it is relatively easy to learn. However, I remain skeptical of such claims when verification data is lacking.

Core Analysis: Ideas and Black's Responses

The move 5.e5! has a clear aim: attack the black knight on f6, forcing it to move, while gaining space in the center. White accepts the sacrifice of a pawn (after 4...exd4) in exchange for the initiative. Black has three main responses: 5...d5, 5...Ng4, and 5...Ne4.

With 5...d5, Black tries to counter in the center. White can play 6.Bb5, pinning the c6 knight, or 6.exd6, opening the e-file. If 6.exd6, Black can reply 6...Bxd6, developing a piece. However, White retains the initiative because the f6 knight has been pushed back.

With 5...Ng4, Black moves the knight out, attacking the e5 pawn. White can play 6.h3, forcing the knight back to f6, or 6.Bf4, protecting the pawn and developing. If Black plays 5...Ng4 6.h3, then 6...Ngxe5? fails to 7.Nxe5 Nxe5 8.Qe2, a classic double attack: White attacks the e5 knight and the e4 pawn, while threatening checkmate.

With 5...Ne4, Black jumps the knight into the center. White can play 6.Bd5, attacking the e4 knight, or 6.Qe2, pinning the knight. If 6.Bd5, Black can reply 6...Nxc3 7.bxc3, and White has a strong center with a pair of queenside pawns.

The common thread in these responses is that Black often struggles to equalize. The original article concludes that Black finds it difficult to equalize simply, and problems may become tough to solve over the board. This is a reasonable theoretical assessment, but it lacks practical data. In chess, an opening is only beautiful when the opponent is unprepared. That summer in the V-League I learned one thing: a formation is only beautiful when the opponent stands still. On the chessboard, this is even truer: if Black knows the line and has an antidote, White can fall into a trap. This variation is not new, so the likelihood that Black is prepared is very high.

In the game, Erigaisi chose 5.e5! and obtained an active position. Laohawirapap may not have prepared thoroughly. This is a psychological advantage, but at higher levels, thorough preparation will neutralize it.

Data Limitations

This analysis is based on a single game, and the original article provides no engine data, database, or concrete results. The claim of "very good results" for grandmasters lacks evidence. "Relatively easy to learn" can be misleading for club players, as the variation is full of traps and requires deep understanding of tactical motifs. There is no ACPL, win rate, or usage frequency data. I recommend verifying with an engine and database before adopting it.

Contrarian Angle: The Trap of Easiness

The irony is that this variation is advertised as "perfect for club players" yet is full of traps. Club players may memorize moves without understanding the ideas, leading to defeat against a better-prepared opponent. Moreover, the lack of verification data makes claims about effectiveness unfounded. No tactic is old; only the way we read the game expires. In 2026 I discarded half my old dataset, because football after the lockdown was a different sport. In chess, after each engine cycle, half of the theory also becomes outdated.

A heat map can lie, but five consecutive failed presses cannot. In chess, a good move can hide a mistake, but a string of poor moves cannot. Without data, we are relying on faith. And at the highest level of chess, faith is not enough to win.

Takeaway: Lessons for Players

The game between Erigaisi and Laohawirapap is a prime example of the power of opening preparation in modern chess. The move 5.e5! is a weapon worth studying, but it should not be seen as a silver bullet. Learn the ideas, not just the moves. Check with an engine, analyze the variations, and understand the tactical motifs. For club players, investing time in deep study of a variation can yield a big advantage, but it can also be a double-edged sword if not careful.

In the ever-evolving world of chess, learning from top-level games is the best way to improve. But remember, each game is its own dataset, and no formula is immutable. I will continue to monitor this variation in upcoming tournaments to see if it becomes a trend or just a passing phenomenon.