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Rakhmanov_Aleksandr vs lachesisq

win
Date: 2026-03-16 17:22:25 | Game Link

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2 key moments

Game Snapshot

English Opening: King's English Variation, Two Knights Variation

Crucial Positions

Move #: 27
Move: Qb2
blunder
Midgame blunder in equal position
Crucial Position

Engine Suggested Moves:

27... Qa5
28. Re7
Move #: 28
Move: Qb6
blunder
Midgame blunder in equal position

Master Lens

Black (GM lachesisQ) turned a roughly equal English Opening into a win by punishing White’s queen raids in the midgame and then converting the extra material with an activequeen and a passed a‑pawn. The game shows how a single careless queen move can change the balance, and how to finish a winning position by keeping the king safe and the opponent’s pieces tied down.

What The GM Did Well By Phase

Opening

Black castled early with **4...O-O**, securing the king and connecting the rooks. By developing the bishop to **5...Be7** and then the queen to **16...Qb6**, Black kept pressure on the centre and prepared the rook lift to the c‑file (**21...Rac8**). This demonstrates the principle of completing development quickly and placing pieces on active squares before the opponent can create threats.

Middlegame

After the queens were exchanged, Black kept a solid pawn structure and the knight on **23...Nd6** defended key squares. However, the critical mistake came with **27...Qb2** and **28...Qb6**, where the queen stepped onto vulnerable squares and left the pawn on a7 and the b‑file unprotected. White’s bishop on d5, rook on d3, and queen on f4 all attacked the b‑pawn and the knight on d6, winning material. The lesson is to prioritize queen safety (avoid moving the queen into the line of fire of opponent’s pieces) and to keep your pawn shield intact before launching queen raids.

Endgame

Once Black had won a pawn and the white queen was forced off the board, the queen remained active on the seventh rank (**31...Qe6**, **33...Qxf2**, **38...Qc7**) while the a‑pawn advanced to a5, creating a passed pawn that White could not stop. Maintaining the queen’s activity and pushing a passed pawn are classic ways to convert a material advantage into a win.

Game Themes

passed pawns castling bishop pair connected passed pawn