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Tal
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« Reply #1020 on: March 24, 2013, 07:03:28 PM »

Good question, EP.

Think of the names of openings like drawers in a filing cabinet. Each has its own identity and the folders (the variations of the opening) in each drawer will basically have the same sort of structure.

The Ruy Lopez drawer (named after a medieval Spanish monk) will have folders called for example...

Marshall (turn of the century American)
Chigorin (a little before him)
Breyer (not sure...but old!)
Exchange (not named after a person, ldo)
Berlin (ditto)

And a few others.

There aren't many variations named after current players. There's a Shirov Variation of the Caro Kann and I think Nigel Short has one, too.

Variations get their identity early on (say within the first ten moves) and so it is rare to see many new ones springing up these days.

Things come and go as fashion dictates, of course and when Carlsen plays something new, so every player in the world gives it a go, as though it were a Cruyff Turn.
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Tal
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« Reply #1021 on: March 25, 2013, 08:18:57 AM »

Round 8

Carlsen ½-½ Aronian
Kramnik 1-0 Svidler
Grischuk 1-0 Ivanchuk
Radjabov 0-1 Gelfand

Carlsen was said to be annoyed with his play against his fellow leader. He told the press conference he would be working hard before today's game to plug some gaps, as he allowed Aronian to equalise with relative ease and a draw followed without much of a sweat.

Kramnik escaped when Gelfand missed a golden opportunity on Saturday and yeaterday he was in a mood to capitalise. Svidler has been Russian champion but Kramnik played dominant chess and deserved the full point. After the most solid of starts, he might be about to find some rhythm.

Everything was going fine for Ivanchuk until he ran into time trouble and made a couple of significant mistakes. Both he and Grischuk had played for the win as they can't win this tournament without a few Ws by their name. Chucky is having one of those comps, it seems, so you have to feel for him. That said, he has an encyclopaedic knowledge of openings and it is hard to understand why he keeps getting behind on the clock against opponents who simply can't prepare openings in any depth against him.

Missed bet of the day was Radjabov v Gelfand. Both players had missed chances on Saturday. Both should have won and both only drew. Gelfand would likely have been embarrassed by his error against Kramnik and it was wonderful to see him grab the game by the scruff of the neck at the next opportunity. Radjabov had no response and the end result was a foregone conclusion from a long way out. It was a lovely example of the positional.side of the game: creating weaknesses in the opponent's position and applying pressure, so that eventually it all becomes too much and the house of cards is brought to ground with a thump.

 Click to see full-size image.


Kramnik has two huge games now and could well decide the shape of the tournament from here. He plays Carlsen as White today and then, after a rest day tomorrow, he has Black against Aronian. If he comes out of that with 1½ points, we might well have a challenger for the crown.
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Tal
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« Reply #1022 on: March 25, 2013, 08:20:18 AM »

Games and videos are here:

http://en.chessbase.com/Home/TabId/211/PostId/4009257/candidates-r8--kramnik-gelfand-grischuk-win-250313.aspx



Radjabov v Gelfand gets underway.
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« Reply #1023 on: March 25, 2013, 01:19:02 PM »

I bought tickets to see the last day of play a week today. Hope it's all tied at the top still going into the last day and we see some great matches.
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Tal
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« Reply #1024 on: March 25, 2013, 01:21:22 PM »

Here is a good one for the problem solvers ITT...

Click on the link above and go into the Radjabov v Gelfand game.

Gelfand's last move was 32.bxa5 (so, taking the pawn on a5), which is a nice and easy way to secure a win.

The computer saw a better way to blast open the White position; something more immediate. First move and reasons to be posted ITT please.

If someone can do a screenshot of the position after 32.Qg2, I'd be well grateful.

This highlights just how differently computers "think".
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Tal
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« Reply #1025 on: March 25, 2013, 01:22:56 PM »

I bought tickets to see the last day of play a week today. Hope it's all tied at the top still going into the last day and we see some great matches.

Awesome. The commentary room is very good and they explain what is going on, answer questions shouted from the audience and so on.

In the main room itself, you get a Samsung tablet to follow all the action on and it explains who is winning.
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« Reply #1026 on: March 25, 2013, 03:27:15 PM »

the    GM Svidler, P. (3½) RUS 2747   vs GM Grischuk, A. (4) RUS 2764    looks like a great game , Queen sack on move 17!!!
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« Reply #1027 on: March 25, 2013, 03:59:34 PM »

Loving this thread. Has got me back in to chess and hooked on the free chess game that comes with your PC, lol.
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Tal
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« Reply #1028 on: March 25, 2013, 10:11:22 PM »

Loving this thread. Has got me back in to chess and hooked on the free chess game that comes with your PC, lol.

Thank you, Mr Pengwinz.

Glad you enjoy it. The thread is a labour of love for me, so ask any questions you like and feed back on what you like or would like to see more/less of
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Tal
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« Reply #1029 on: March 25, 2013, 10:12:33 PM »

Before I cover today's games, here's a quick article on the technology in play for spectators of the Candidates Tournament:

http://en.chessbase.com/Home/TabId/211/PostId/4009254/chesscasting--making-the-invisible-visible-240313.aspx
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« Reply #1030 on: March 25, 2013, 10:51:41 PM »

The graphics look like something off a 48k spectrum. You've have thought they'd have made a bit more effort.

I noticed this yesterday when I was watching some of the interviews. You can barely tell the difference between the pieces.
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« Reply #1031 on: March 25, 2013, 11:02:07 PM »

The graphics look like something off a 48k spectrum. You've have thought they'd have made a bit more effort.

I noticed this yesterday when I was watching some of the interviews. You can barely tell the difference between the pieces.


The problem is that they've made too much effort- some graphic designer somewhere is crying in his espresso now.
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Tal
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« Reply #1032 on: March 25, 2013, 11:06:48 PM »

Round 9

Kramnik ½-½ Carlsen
Svidler ½-½ Grischuk
Ivanchuk 1-0  Radjabov
Gelfand 1-0 Aronian


Top of the bill today was former World Champion, Vladmir Kramnik against the highest rated player in the world, Magnus Carlsen. The two of them have had some brilliant games over the past few years and this took a familiar line, as Kramnik got an edge from the opening and the question was whether he could convert it against Carlsen, who gets better as the game goes on.

A couple of slight inaccuracies and Carlsen was able to get to an ending a pawn down but with opposite coloured bishops, which makes it very difficult to get the pawn to the other side of the board. A draw was agreed shortly afterwards.

It is fair to say Grischuk and Svidler had decided they didn't fancy a draw when they woke up this morning. The most aggressive variation against the King's Indian Defence (the Sämisch) led Grischuk to sacrifice a knight, then a pawn, only to see Svidler sacrifice one back, but then came the big move of the day: Svidler did no more than give up his queen for three pieces. The computer was doing somersaults trying to assess the position as bits were flying around like Badger looking for a wooden spoon to make a mashed potato tower.



The dust didn't clear for a long time and players of even this quality will find positions like these foreign, so it just comes down to who copes best.

In the end, it fizzled out and came to the unlikeliest of draws. Hardly an anticlimax, though.

Ivanchuk and Radjabov have both struggled on the clock in this tournament, so it was fairly likely that a decisive result would follow. Ivanchuk built a small advantage from the opening and maintained a tiny edge for most of the game. Slightly better endgame technique enabled him to turn a level looking rook and pawn ending into a winning position.

Gelfand sprang into life yesterday with his win against Radjabov, but he was facing a different task altogether against joint leader, Lev Aronian. A tricky game, where the heavy artillery stayed on the board while the minor pieces (bishops and knights) were traded. The computers aren't very happy with the way the two of them handled the position at times, but these things really are frightfully difficult to get right. Aronian was fighting for survival for a long time and, eventually, he could offer no further resistance. Gelfand broke through and sealed a huge win.
« Last Edit: March 25, 2013, 11:40:00 PM by Tal » Logged

"You must take your opponent into a deep, dark forest, where 2+2=5, and the path leading out is only wide enough for one"
Tal
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« Reply #1033 on: March 25, 2013, 11:08:12 PM »

The graphics look like something off a 48k spectrum. You've have thought they'd have made a bit more effort.

I noticed this yesterday when I was watching some of the interviews. You can barely tell the difference between the pieces.


The problem is that they've made too much effort- some graphic designer somewhere is crying in his espresso now.

Completely agree with all of that. Needs sorting out for the future
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Tal
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« Reply #1034 on: March 25, 2013, 11:24:09 PM »

http://en.chessbase.com/Home/TabId/211/PostId/4009284/candidates-r9-carlsen-survives-kramnik-aronian-loses-250313.aspx

Detailed analysis linked above.



Gelfand v Aronian
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