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fabianocaruana vs rezamahdavi2008
lossTable of Contents
Game Navigator
Game Snapshot
King's Indian Defense: Normal Variation, Standard Development
Crucial Positions
| move # | position | classification | ||
|---|---|---|---|---|
|
Move #:
35
Move:
g5
missed opportunity
Midgame missed stronger move (gap 175cp) | Point of no return
|
35 | g5 | missed opportunity | Midgame missed stronger move (gap 175cp) | Point of no return |
WHAT HAPPENED Move Played: g5 White played 35.g5, pushing the pawn from g4 to g5. The move attacks the black pawn on f6 but does nothing to address the immediate tactical threats: Black's queen on d3 is already attacking the undefended white knight on e3, and Black's bishop on e6 is eyeing the pawn on g4 (now vacated). By advancing the pawn, White leaves the knight hanging and allows Black to capture on e3 with Qxe3, winning a piece. Moreover, the pawn push does not create any new threats; White's only remaining threats (d6 and f6) are still insufficient to compensate for the loss of the knight. WHY IT'S BETTER Engine suggested: Qa4 The engine's top suggestion, 35.Qa4, moves the queen away from the vulnerable g4‑pawn and simultaneously puts pressure on Black's a7‑pawn and the d3‑queen. More importantly, Qa4 prepares to meet the looming Qxe3 with a counter‑attack on the black queen (e.g., Qxa7) or at least keeps material balance. By not defending the knight, g5 allows a free capture and a clear material loss. Qa4 maintains the tension, keeps the knight defended indirectly, and gives White chances to fight for the a‑file, whereas g5 hands Black a free piece. KEY PRINCIPLE Defend Immediate Threats Before Counter‑Attacking: When an opponent's piece attacks one of yours, the first priority is to neutralise that threat. A flashy pawn push that ignores a hanging piece costs material. Always ask, "Is any piece currently under attack?" and address it before launching your own ideas. |
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Move #:
40
Move:
Qxd6
blunder
Midgame blunder in equal position
|
40 | Qxd6 | blunder | Midgame blunder in equal position |
WHAT HAPPENED Move Played: Qxd6 White chose 40.Qxd6, capturing the pawn on d6. While the pawn was indeed undefended, the move opened a lethal line for Black's queen on e2. Black responded with 40...Qe1+, delivering a check that hits the white king on g3 along the diagonal e1‑f2‑g3. White is forced to move the king, losing the initiative and allowing Black to later capture the white queen or win decisive material. The blunder therefore is not the capture itself but the neglect of Black's mating net that appears after the queen move. WHY IT'S BETTER Engine suggested: Ne4 The engine recommends 40.Ne4 instead of the queen capture. By relocating the knight from f6 to e4, White blocks the e‑file, limits Black's checking ideas, and keeps the queen on a safe square. After 40.Ne4, Black's best continuation is still 40...Qe1+, but White can now answer with 41.Kf2 (or 41.Kf4) and retain the queen, preserving material equality. In contrast, after 40.Qxd6, the check forces the king to move and leaves the white queen exposed, leading to a forced loss of the queen or a forced checkmate sequence. The engine’s line shows a clear material gain for Black when White plays Qxd6, while Ne4 keeps the balance. KEY PRINCIPLE Watch for Opponent's Checks Before Grabbing Material: Even when a pawn or piece appears free, always scan for immediate checking threats. If a move opens a line for a check, it may be a blunder. Prioritise king safety and control of critical files over a tempting pawn capture. |
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Master Lens
What The GM Did Well By Phase
Opening
Middlegame