9...a5 Against the Bayonet Attack: A DVD Claiming to Be the Antidote, and a Headline That Does Not Match Its Body

There was one detail in this week's podcast material that made me stop mid-sentence.

The headline read: "Samarkand R2 (open): Despite close calls, all top teams grab wins" — a team-round report, most likely held in Samarkand, Uzbekistan. But when I opened the body, from the first information point to the fourteenth, there was no team, no pairing, no result. The entire text was about an instructional opening DVD, promoting the ninth move 9...a5 against the Bayonet Attack in the King's Indian Defense, Mar del Plata variation.

Someone spliced two unrelated texts together. Or did so deliberately. For someone who earns a living rewinding footage at two in the morning, that mistake is bigger than a formatting slip. When the headline and the body tell two different stories, the first thing that breaks is not the prose but the credibility of the source.

"Mistakes aren't what frighten me; bending down to pick the tape back up at 2 a.m. is what makes a forecaster." I keep that rule when I sit down with a chess document. Today I am not just shouting. I am peeling back every layer, and I will say this up front: the body is what deserves dissection, while the headline is merely evidence of sloppy publishing.

Where a ninth move sits on the board

The King's Indian Defense is the classic hypermodern system: Black concedes the centre early and strikes back later. The Mar del Plata is its sharpest branch, where Black plays ...Nc6 and ...e5, leading to mutual wing attacks. In ECO classification, this branch sits roughly between E97 and E99.

The typical move order: 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 0-0 6.Be2 e5 7.0-0 Nc6 8.d5 Ne7. White pushes the pawn to d5, locks the centre, then opens the queenside. The move 9.b4 is called the Bayonet Attack — a bayonet thrust into Black's queenside. White gains space, threatens b5, and forces Black to answer immediately.

The mainstream answer is 9...Nh5. That move is forcing: the knight jumps to the rim, the position opens up, and both sides must calculate move by move. The second answer is 9...a5 — Black blocks the b4-pawn at once, dragging the game into a slow strategic wrestling match.

The DVD in the document sells 9...a5. This is the single most important point: 9...a5 is a known branch, not a new invention. It exists in databases; prepared players memorise it. The product does not promise a new move. It promises a different approach.

Who is the ninth move sold to, and with what

The product makes three promises, and a close reading reveals their weight.

The first: 9...a5 is a practical answer to the fashionable Bayonet Attack. That is correct as a matter of classification. The branch is real.

The second, and the main sales pitch: this move changes the character of the game. From the forcing lines after 9...Nh5, the player steps into a strategic fight with little memorisation. The third: the chances are balanced.

None of the three promises comes with a single number. No engine evaluation. No ACPL figure. No win rate, no draw rate, no sample game cited. An opening product without sample games is like an indictment without evidence.

And here is where I prick up my ears: the product says computers often do not know how to handle these complex strategic positions. That sentence is marketing language from the pre-AlphaZero era. In today's neural-network era, engines handle long-term King's Indian positions far better than that line suggests. A sales argument built on the machine's weakness has expired.

Based on my experience following games, I have drawn one rule: whenever an opening product says "the computer can't handle this", that is the moment the buyer should open a database before opening a wallet.

In 2026, when global events shut down, I built the podcast series "Tactical Time Machine". In those empty stadiums, I found tactical diagrams lying quietly under the seats instead of the roar of the crowd. I replayed old games in bulk and found a pressing pattern born in 2026, before anyone started naming it properly. Chess is the same. Tactical patterns already exist in the data, waiting for someone willing to rewind.

Which tier of the opening market this product occupies

The opening-theory market has four clear tiers. The engine-era mainstream: Grünfeld, Nimzo-Indian, Italian — low theoretical risk, familiar to everyone. The sharp sideline tier: the King's Indian Mar del Plata, the Bayonet branch — high theoretical risk. The tier of recreational buyers and club players wanting a "weapon". And the theory ecosystem: DVDs, courses, online study platforms.

The Mar del Plata's standing at the top level, from what I have observed over the years, is that of a surprise weapon rather than a mainstay. It concedes space and invites the opponent into a sharp, heavily theorised position. A DVD cannot change that structural standing.

The product's real differentiator is not theoretical superiority but practical steerability. And that steerability is sold through a very specific identity angle: for players who prefer to think for themselves rather than memorise. That is identity-based marketing. It is not wrong, but it is not technical evidence either.

In presentation terms, the product is most likely from the ChessBase-style Fritztrainer line — the "antidote" framing, the "very few concrete lines" pitch, and the promotional register all match that catalogue. What matters is this: it competes directly with free databases and analysis tools. What keeps a buyer here is the curated structure and the narration, not a handful of variations.

Where I could be wrong

I once mispronounced a player's name, and then read the position correctly when the slow-motion replay appeared in front of me. That lesson taught me that someone who gets a small detail wrong can still be right about the big picture, and the reverse. So I turn the question back on myself.

If I am wrong, where am I wrong?

First, I may have underrated the practical value of 9...a5 for club players and international masters. For them, a position with little to memorise is a genuine gift. Not everyone has the time to load thousands of lines into their head before every tournament.

Second, the claim that the chances are balanced may be positionally correct. 9...a5 is not a bad move. It is merely a secondary branch, and secondary does not mean wrong.

Third, and here I must be bluntest: the biggest risk of this product is not on the board. It lies in the fact that a well-analysed branch can be neutralised by the very database that sells it. The more famous the branch, the faster the antidote sold for it expires.

But if there is one point I will not concede, it is the headline. Ten years in the middle of arguments, and the fire lit by a question in 2026 is still burning. A headline about a team round in Samarkand, placed on a piece about an instructional opening DVD, is an information-integrity failure. Anyone who takes that document and cites it without checking the original source is inviting trouble.

What will confirm it, what will refute it

I offer one verifiable judgement, and I accept being measured against it.

If 9...a5 appears in a classical game at 2700 level or above within the next twelve months, the product's promise is partly confirmed. That is the moment a secondary branch proves it is still alive at the highest level, not just in advertising.

If it does not appear, and only circulates in amateur games, then what was sold is not theory. What was sold is the buyer's peace of mind.

In the long run, I believe this more than any promise in a DVD: opening theory does not die because engines get stronger. It dies because people stop rewinding the tape. And whoever sits down, opens the database, and checks each variation before paying will never be sold an expired belief.