Wednesday, July 26, 2017

Grabbing material

Sacrificing pieces is something very common in our games. Gambits remain very popular at amateur-chess but even in top-games we see little respect for material. A couple of days ago Kramnik played a brilliant game filled with sacrifices against the strong German grandmaster Matthias Bluebaum see e.g. here. Or what to think about the Chinese grandmaster Wei Yi beating a week earlier the Russian top-grandmaster Vladimir Malakhov with an ingenious exchange-sacrifice see e.g. the newsreport at chess.com.

Technically and psychologically the task of the defense is difficult so it often pays to sacrifice material even if it is not fully correct. A theme which is closely related to this is grabbing material. I don't speak just about answering gambits offered by the opponent but rather when you discover that pressure/ initiative can be converted into a material-gain. Will you choose to get the dividends by grabbing the material? Or will you wait and hope for more by playing double or nothing?

An initiative is often temporarily. If you don't succeed to transform it into something tangible like material or structure then you risk staying empty handed. However a bird in the hand is worth two in the bush isn't always so unambiguous in chess. I experienced this a couple of months ago. The game against Frederic Verduyn was already covered in the article chesspub but this time I only look at the phase where I decided to pick up a pawn.
         
In hindsight it was probably more clever to not go for the pawn and just maintain the positional-advantage. However there are no guarantees here because if you don't understand how the advantage should be nurtured then it can quickly go downhill.

Another example of this theme popped up in my most recent interclub-game against David Roos. Also that game was already published here see scholar's-mate. I zoom at move 18 when I decided to grab an exchange.
 
In the end it probably didn't matter much. Fact is that after winning the exchange that the win is not easy if white doesn't blunder. Waiting with picking up the material looks more efficient and is also practically much stronger.

In my most recent rated game I managed to overcome my materialistic demons. I ignored one material gain after the other (including even a piece) and scored my most convincing win ever against Robert Schuermans. I am pretty happy about that as I had to win with black to become club-champion of Deurne.
 
At the end of the game I was up so much material that I could afford to sacrifice an exchange to force resignation. Beside Robert had no time left anymore while I still had a half hour. In the game we see all the advantages of waiting to grab material and adding systematically pressure.

The opponent loses a lot of time to find solutions for the ever growing problems. Often we see that there is much more material to collect. Practically this strategy is very efficient but in practice it is not so frequently used in comparison to gambits. Psychologically there exists today wrongly a large difference of perception between sacrificing material and not grabbing material for the same less visible advantages.

Brabo

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