9...a5 Against the Bayonet: A Strategy DVD, a Mismatched Headline, and 38 Moves in a Club Room

In a club room in Segunbagicha I opened a 19-year-old's prep file. Thirty-eight moves deep, arrows and small notes beside every move—the Bayonet Attack in the King's Indian, learned by heart. On board seven his opponent played 9...a5. Twenty-two moves later the file was useless and his clock read 41 minutes. "Nobody plays this line," he said. I counted his 38 moves again: not one was a plan, each was a recitation. Counting those moves made the gap visible—and that gap is a market, and the market now sells DVDs. The Classical King's Indian, Mar del Plata Variation (7...Nc6), remains one of the sharpest double-edged fights in modern chess. White's Bayonet Attack with 9.b4 grabs queenside space; Black's main line 9...Nh5 presses the centre, sets up ...f5 and the later ...Nf4, and the moves become almost compulsory. In the engine age that compulsion is the nightmare—a long forced chain where one slip hands over the advantage. It is exactly into this fatigue that an instructional DVD has stepped, offering 9...a5 as the antidote. The first problem here is not about moves; it is about information. The headline carrying the piece says Uzbekistan is racing ahead in round seven at Samarkand. Inside, there is no standing, no player name, no federation, no result—only a product description. I am logging this title-to-body gap as a data-integrity issue: until verified, that tournament claim is not an event, it is only a headline. I learned the press room by counting what no one asked. The argument for 9...a5 is simple, and ruthlessly structural. It questions b4 directly, forcing White to choose: clamp with 10.b5, or tend the centre with 10.Bg5 or 10.Nd2. Where 9...Nh5 drags the game into forced sequences, 9...a5 refuses that door; instead Black plans ...c6 against d5, arranges ...Nd7 or ...Nc8 and ...f5, building the structure slowly—a Mar del Plata with a locked queenside. This is not a calculation contest; it is a contest of space and tempo. The commercial trade-off, stated honestly: White gains permanent queenside space, and the b5 pawn can become a target in a long game; Black must carry a patient, lengthy strategic manoeuvre where wins arrive on move 40, not move 20. In Batumi in 2026 I filled 212 notebook pages—11 rounds, 44 games, a 180-team field at the 43rd Olympiad. Those pages taught me that closed positions are decided by whose king is active and whose knight is stuck on the rim. A notebook in Batumi can hold a World Cup if you fold it right. Now the DVD's two promotional pillars. The first: "computers often do not know how to handle the arising complex strategic positions." That sentence belongs to the pre-2026 era. Since the NNUE architecture arrived in 2026—and after AlphaZero before it—engines evaluate closed, low-centre structures reliably; "engines cannot play strategy" now survives only as sales copy in the training market. The second pillar: "objectively, chances are equal." There is no engine evaluation, no database sample, not a single named game with a year attached. That is a claim, not a verdict. Put the Dhaka ledger beside it and the picture shifts. Where the federation's annual budget is roughly Tk 11 lakh and no new Grandmaster has appeared since 2026, an "understanding over memorisation" curriculum is not a luxury—it is the only syllabus that fits the wallet. Stockfish is free; a coach is not. In 2026 Niaz Murshed became South Asia's first Grandmaster, a year before Anand, when there was no ChessBase and no 38-move file to memorise—yet the title came from structural understanding. India then built 80-plus Grandmasters on systematic preparation. The lesson is blunt: less memorisation is not automatically better; without verification it turns into an excuse. The first risk is technical: "few concrete lines" does not mean "few calculations." However quiet the structure, move 35 with eight minutes on the clock still demands accuracy, and time pressure forgives nothing, strategic or not. The second risk is editorial: nobody asked the question—"in which 2600-plus game, in which year, was 9...a5 last tested?" The sample was never counted, only the headline. The empty stadium taught me that noise is a variable, not a truth. And the day-job economics matter here too: when players compete around their jobs, the cost of preparation is the real opponent. So watch two things in the next cycle. First, if anyone plays 9...a5 at 2650-plus, look at White's answer—if the 10.b5 clamp with Nd2 or Bg5 keeps returning, the "antidote" slides back into a sideline. Second, whether a club room in Segunbagicha can trade a 38-move file for eight ideas at zero cost, armed with one honest question. Without verification it is not a weapon; it is only a slogan.