5.e5! and the Hidden Door of the Italian Game: When a Pawn Move Reopens the Chess Memory Vault

In 2026, in a small studio on Nguyen Du Street, Saigon, I sat beside an old wooden chessboard, microphone in hand for VTC Television, commentating a game from the National Championship. Outside it was raining. The studio was empty. No audience, no applause. Only a 22-year-old player whose hands trembled slightly as he pushed his pawn from e2 to e4. I said into the microphone: "This move is a door, and we must wait to see how he opens it."

Twenty-eight years later, sitting again with the game between Arjun Erigaisi and Laohawirapap in the column "Game of the Week #740", I met that same feeling. White's fifth move — 5.e5! — is also a door. And it opens onto a garden very few club players ever consider.

An empty stadium, yet the applause of 2026 still echoes in every old record. In the chess world, every game has its own stand — a stand with no spectators, but with players of later generations listening.

The Italian Game is one of the oldest classical openings of Western chess, beginning with 1.e4 e5 2.Nf3 Nc6 3.Bc4. For over two hundred years, this system has passed through every era: from the Romantic period of the 19th century with its wild sacrifices, through the Cold War era with its tight variations, to the engine age where sub-systems are dissected to the last centipawn.

The Modern variation analyzed here — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.e5! — is one of the sharpest variations still remaining in the main line of the Italian Game. It can also be reached via the Scotch Gambit: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.e5! arrives at the same position. This is an important technical detail, because it means any player who uses the Scotch Gambit can switch to the Italian Game Modern without changing their entire mental structure.

In the context of the current tournament cycle — between rounds of the Grand Chess Tour, international opens, and Vietnam's national championship system entering its acceleration phase — the use of a variation like 5.e5! by a leading young player such as Erigaisi is a notable signal. But that is not the whole story. The more interesting part lies elsewhere: this variation does not only live at the top; it also lives at the club level.

In 32 years of commentating chess for VTC, I have seen more than once a variation thought dead suddenly return. What usually drives such a return is not engine data, but a specific game, played by a named player at the right moment. The Erigaisi – Laohawirapap game may be one such catalyst.

Let us start from the position after 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4.

White has just sacrificed a central pawn. Black has taken it, and now faces a choice: hold the captured pawn on d4, or continue developing and let White have a chance to reclaim it. The move 5.e5! is White's clear declaration: "I do not care about the pawn I lost. I care about the black knight standing on f6."

This is the core point of the entire variation: 5.e5! is not a move to seize the center, but a move to attack the f6-knight and create space for the c4-bishop. After 5.e5!, Black's f6-knight must move. If it moves incorrectly, White can gain a strong attacking position with the support of the c4-bishop and the remaining pieces.

Black has three main replies: 5...d5, 5...Ng4, and 5...Ne4. Each reply requires its own understanding.

5...d5 is the most common reply in practice. Black counterattacks the c4-bishop — the piece playing the most important role in White's attacking structure. After 5...d5, White usually plays 6.Bb5! instead of retreating the bishop. The move 6.Bb5! maintains pressure on the c6-knight and keeps the complexity alive. If Black plays 6...Ne4 — blocking the advance of the e5-pawn — White can respond with 7.Nxd4, and the position opens with clear attacking chances for White.

The 5...d5 branch also has a subtlety that club players often overlook: after 6.Bb5, Black can choose 6...Bd7 or 6...Bc5, each leading to a completely different piece structure. With 6...Bd7, Black tries to trade pieces and reduce pressure. With 6...Bc5, Black counterattacks f2 and keeps tension. White needs to know exactly when to keep the bishop on b5, when to retreat it to d3, and when to switch to an endgame plan. There is no single formula. The nature of 5.e5! is this: White must read the position at every move, not play from pure memory.

5...Ng4 is another defensive move, and this branch contains the most beautiful trap of the whole variation. Black withdraws the knight from the attack and simultaneously attacks the e5-pawn. After 6.Bxf7+! — a temporary sacrifice — Black is forced to play 6...Kxf7, and then White plays 7.Ng5+ Kg8 8.Qxg4, recovering the knight in exchange for two pawns and an attacking position. White does not need to play correct theory; White only needs to know the bishop sacrifice on f7. In club games, this trap has ended no small number of games within the first ten moves. And what is more frightening for Black: if they know the trap and avoid it with another move, they still face a position where White already has a pawn on e5 and an active bishop on c4.

5...Ne4 is the least common but also the most subtle reply. Black keeps the knight in the center and directly attacks the c4-bishop. White can respond with 6.Qxd4, accepting a complex position. After 6...Nc6 or 6...Ng5, the position becomes very dynamic, with both sides having tactical chances. What is interesting here is that White temporarily ignores reclaiming the d4-pawn, instead focusing on controlling the center with the queen. This is a classic example of the principle "prioritize piece activity over material" — a principle I have seen demonstrated hundreds of times in Vietnamese players' games during the 1990s and 2000s.

Notably, in each branch White has accompanying tactical motifs. No branch is "play naturally". Each branch requires an understanding of piece structure and White's objectives: the f6-knight must be punished, the c4-bishop must be kept active, and the e5-pawn must be treated as an attacking unit rather than a defensive one. These three principles, if correctly memorized, will help the player handle most practical situations without needing to remember each specific move.

The history of this variation is marked by one name: Evgeny Sveshnikov. The Russian player, who left his mark on several famous defensive systems, was one of the most enthusiastic advocates of 5.e5! for decades. Sveshnikov did not just play this variation; he analyzed, taught, and wrote about it. In many of his games, he demonstrated that 5.e5! can bring White clear practical chances, not merely a short-term tactical joke. As someone who has followed Sveshnikov's career since the 1970s through foreign bulletins, I recall that he always presented this variation as a practical choice, not a romantic attacking manifesto.

This leads to a question the original article does not answer: does the variation really produce "very good results" for grandmasters, as the article claims? No database data is cited in the original article to confirm this. This is a blind spot of the analysis: it asserts practical success but provides no quantitative evidence. But that is also normal for opening instructional writing — the author usually relies on personal experience and observation of top games rather than database statistics. For the reader, the necessary thing is to clearly distinguish between "the author's opinion" and "the engine's evaluation".

For Vietnamese chess players, especially at club and semi-professional level, the value of 5.e5! lies elsewhere: it is a rare variation where a player does not need to memorize hundreds of moves to use it. You only need to understand four core ideas: attack the f6-knight, keep the c4-bishop active, treat the e5-pawn as an attacking unit, and know the basic tactical motifs of each branch. That is why the original article calls it a variation "perfect for club players".

From this structure, one can see 5.e5! carries the characteristics of what I still call "short-memory openings": they do not demand a long memory, but they demand a short yet deep understanding. This is the type of opening any chess player in Vietnam can adopt within a week of study — provided they understand the tactical motifs correctly.

Among the games I commentated for VTC in the 1990s and 2000s, there were a few I remember clearly for their similarity to 5.e5!. They were games where a young player suddenly played a sharp attacking move on the fifth move, leaving an older opponent confused and losing time on the clock. In chess, sometimes victory does not come from playing better, but from making the opponent think more. 5.e5! belongs to that category. It is not the objectively strongest move — engines may evaluate it as merely equal — but it is the most practically strong move, because it poses a difficult question to the opponent.

In the age of 30-second videos, I spent three months listening to a man talk about the 400m in 2026. And in that same spirit, to understand 5.e5!, I spent many evenings rereading Sveshnikov's games, cross-checking with modern analysis, and testing each branch myself. There is no shortcut. No three-minute summary video can replace that work.

What the original article does not make clear is: "relatively easy to learn" does not mean "easy to play." This is the biggest trap of trap-heavy variations — players learn three or four opening moves, win a few quick games, then suddenly meet a well-prepared opponent, and everything collapses. In English, this is called a "trap-heavy line", meaning a variation where, if you do not understand the structure, you can fall into a reverse trap yourself.

It must be emphasized: with 5...d5, 5...Ng4, and 5...Ne4, Black has at least three ways to challenge White. A player who learns only the "popular" branch — usually 5...d5 — will be ambushed the moment they meet an opponent who knows 5...Ng4. And 5...Ng4 is not a rare move at club level. I once witnessed a game at a small club in Nha Trang, where a young player confidently used 5.e5! after watching an instructional video, then lost within twenty moves because he did not know the answer to 5...Ne4. That was an expensive lesson about the difference between "knowing" and "understanding".

The counterintuitive angle here is: the value of 5.e5! does not lie in winning quickly, but in forcing you to learn how to think about piece structure. A player who learns 5.e5! correctly will learn a great deal about attacking the f6-knight in general — knowledge applicable across many other openings. A player who learns 5.e5! incorrectly will only learn three or four traps and become a victim of those very traps. The difference between "learning a variation" and "learning chess" lies precisely at this point.

There is another detail I want to state plainly. In elite chess, variations like 5.e5! tend to appear in games with faster time controls — rapid, blitz — rather than in classical games with hours on the clock. The reason is simple: in classical time, the opponent has enough time to calculate accurately and refute each tactical idea. In fast time, traps are worth much more. The Erigaisi – Laohawirapap game, from what the original article suggests, may be of this type — a game in which time and practical pressure play a role equal to pure technical quality.

What does this mean for Vietnamese club players? If you use 5.e5! in a tournament with standard time control, you need to prepare far more deeply than if you use it in a club event with fast time. This is a point the original article does not make clear, and it may cause many players to misunderstand the variation's practical value. The criterion for evaluating an opening variation is never "is it good or bad", but "which competitive format and which playing style does it suit".

And here is the final detail I want to address, something I have learned in 49 years of observing the chess industry: articles that claim a variation is "perfect for club players" often serve a purpose beyond transmitting technical knowledge. They may be part of an instructional content chain aimed at attracting readers or course subscribers. That does not mean the content is wrong, but it does mean the reader should read with some caution and verify independently with an engine and a database before adding the variation to their arsenal. This is the advice I give to anyone approaching opening material through a single source — even when that source is a longstanding chess column.

The Erigaisi – Laohawirapap game is a reminder that chess continually regenerates from old sources. 5.e5! has been there for decades. Sveshnikov played it, analyzed it, and left it to later generations. A young Indian player plays it in a game this week, and suddenly a variation thought to belong to the past reappears in analysis rooms, in online courses, and in club games from Hanoi to Ca Mau.

A record is never old; it is only waiting for someone who knows how to listen. This is true of a 400m run in 2026, and it is also true of a pawn pushed to e5 on the fifth move of an opening game. In both cases, what is preserved is not the number, but how a person faced pressure. The 400m run and the move 5.e5! are both moments when a person decides not to retreat, and the memory of such moments never fades.

Every stadium I walk through has a secret door, and the entrance is always a person. In chess, that door is sometimes just a move. 5.e5! did not make Erigaisi's name, nor did it shape Laohawirapap's career. It is simply one of the moves this generation is relearning from the previous one. But it is precisely such moves that let chess maintain its continuity across decades — a continuity no engine can create, because it belongs to memory, not to an evaluation bar.

If you play chess in Vietnam and are looking for a new variation for your arsenal, try 5.e5! — but try it with respect for Black's three main branches, not merely with the belief that this is an "easy to learn" variation. The board does not forgive haste. And in this sport, the winner is not the one who plays the best move, but the one who best understands the game they are playing. An opening variation only truly becomes yours when you have lost because of it at least once, and stood up to understand why.