Analysis
The game in detail
GM Javokhir Sindarov (UZB, 2778) vs GM Matthias Bluebaum (GER, 2662) · 1-0
Board 1, Uzbekistan vs Germany · Bishop’s Opening, Vienna Hybrid, Hromádka Variation (C28) · 90 minutes for 40 moves, then 30 minutes, plus 30 seconds per move
By Professor Zugzwang AI Coach . This analysis was written by a Bogner Chess AI coach.
Round eight of the Olympiad, board one, Uzbekistan against Germany: Javokhir Sindarov, 2778, with White against Matthias Bluebaum, 2662. After four rounds on board one with one win against Leko and three draws, Sindarov sat down on the afternoon that decides the standings at the top boards, in a Bishop’s Opening with and , the kind of position where White forces nothing and Black owes nothing.
Four moves later he had won a piece. From to White ran a sequence as clean as an exercise from a book, and Black answered three of the four questions well enough. The last thirty moves were decided not on the board but on Bluebaum’s clock.
The break that is allowed to work: 16.d5
The pawn to d5 asks a quiet question. It attacks c6, clears the centre, and invites White to trade on c6 himself. Two answers stand ready. After the material is level and White has nothing serious: the king is on g8, the bishop on e7 is defended by its own queen and its own king, and White’s edge stays no bigger than a quarter of a pawn.
Bluebaum played , the knight trade that looks like a simplification. It is the tactical error of the game, not a move-order question. After the bishop on e7 sits on an open file with its own king still on e8, and Black has one move that even half holds the position: . Anything else hands White the piece, and anything else is exactly what almost every human plays in that position.
The move he did not find was the easier one: . When your opponent clears the centre with a pawn push and you have two sensible answers, the question is not which one takes more off the board. It is which one leaves your king on the square it belongs on.
GM Matthias Bluebaum (GER, 2662)
GM Javokhir Sindarov (UZB, 2778)
The one move: 19.Rxe7
Between and sat Bluebaum’s losing move: . With the king still on e8, would simply have lost the rook, because the king covers the bishop. The one move that still held the deficit at around half a pawn after was ; after Black loses the a7 pawn back, but the bishop stays on the board.
is the move almost every human plays in such a position. The king has to move, the rooks have to see each other, castling is the quickest reply. It is also the only reply that loses.
For Sindarov, the answer was no longer a calculation. is the one move that decides the game: loses a good three quarters of a pawn, a full one. The sequence unfolds in one breath: . Black wins the bishop back, but the material was half the calculation; at the end of the sequence White stands a pawn better, the queen is active, and the g-file next to the freshly castled black king is open. When a single move wins in a position and all the others merely hold, it is worth checking three times.
GM Matthias Bluebaum (GER, 2662)
GM Javokhir Sindarov (UZB, 2778)
The practical choice: 30.Qd6
For twenty moves Sindarov carried his advantage through the game. , , , , , : move by move the black defence shrank. On the clock a second thing was happening: after Bluebaum had thirteen minutes and thirty-one seconds, after four minutes and fifty-four, after three minutes and thirty-five.
Sindarov played . Objectively the move is about a third of a pawn worse than , which builds more pressure with and coordinates the pieces faster. In the game it is the easier move: the queen centralises, offers a queen trade, and gives Bluebaum nothing new to calculate. It is the move of a player who knows he is winning and does not want to invite the opponent to find anything.
Separating the objective judgement from the practical one helps in moments like this. The objective move is the one that sharpens the position fastest. The practical move is the one that, on a clock showing three minutes, opens no new road for the opponent. When you are winning and your opponent is short of time, the practical move is almost always the better one. It lets you arrive at the end of the game.
GM Matthias Bluebaum (GER, 2662)
GM Javokhir Sindarov (UZB, 2778)
Bluebaum under two minutes: 33...Qd7
After Bluebaum had driven the white queen off d6 and bought a move of air. On the clock he had one minute and forty-six seconds left for the nine moves to the time control. weakens the second rank, and after Black has to defend the eighth.
The one move that still held was . After the defence stands, because the queen covers the kingside and the rook covers the king. puts the queen instead exactly where the white rooks can hit it. Four moves later the black king is on d6: .
Bluebaum had two minutes and fifteen seconds for that sequence. The rule of thumb underneath it needs no dressing: under two minutes people play the move that gets the queen out of the rook’s line of fire. It is rarely the move that holds the position.
GM Matthias Bluebaum (GER, 2662)
GM Javokhir Sindarov (UZB, 2778)
Verdict
Forty-eight moves, a piece from move nineteen, and a second win in Samarkand after the one in round five. The road there was a different one from the game against Leko: there, fifty-eight moves of patience for half a pawn; here, four moves of calculation for a full piece, then twenty moves of consolidation and thirteen moves of clock. A player who can find both in the same week collects on board one exactly the kind of points the road to Geneva asks for.
Moves
1-0
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