
The Cambridge Springs Variation in the Semi Slav (5.Bg5 Nbd7 6.e3 Qa5) had been considered as a solid and reliable alternative to the razor sharp positions which usually arise from the Botvinnik (4...dxc4) and (Anti-)Moscow Variation (5...h6).
In the game Stocek-Bluebaum from the Rubinstein Memorial, which is currently taking place, the Czech GM played a very instructive masterpiece, showing how White may be able to build up an attack against the black king. White's game was not flawless but he won in just 25 moves.
Exercise: A critical moment arises at move 17 when White has to decide how to proceed with the attack. The main candidates moves for White are 17.Ne4 and 17.Re3. Do you see the difference between these options?
You can move the pieces on the live diagram!
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