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| Jul-03-19 | | boz: <I like how the ensconced knight at f4 can only be taken for a price: the freeing of the Bg7.> Good observation. |
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| Jul-03-19 | | Everett: Carlsen’s pawn play reminds me of Bronstein at his best. |
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| Jul-03-19 | | beenthere240: Nepo had to be frustrated when his early space advantage turned into nothing. Carlsen simply blitzed his defense as if he was bored. Then Nepo seemed unprepared for Carlsen's counterattack beginning ...b5! and then c4! Finally, the move that Nepo had seemed be dreading the entire game (and for which he had been overprotecting against) f5! appeared on the board-- he cracked. But even if Nepo takes correctly with the e pawn, Carlsen's queen penetrates with e3+ and it's still a very strong attack. Even without the g x f "blunder," Black is probably lost anyway. Especially when you consider he had less than 30 minutes left for the whole game! |
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Jul-03-19
 | | Check It Out: Whoa, I leave for a 1/2 hour and this demolition happens in 6 moves? Incredible. |
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| Jul-03-19 | | csmath: 28. exf5 was of course correct but with 20 few minutes left on the clock after playing rather docile opening it must have been like a knockout blow to Nepo's head when he saw 25 ...c4!!. |
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| Jul-03-19 | | MrMelad: Not only is it an important win against one of the tournament leaders, it is also Carlsen first classical win against Nepo. And in 31 moves! |
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| Jul-03-19 | | csmath: You have to shift gears after passive play into high-octane attack. And with not much time left this is what happens. The whole opening was a strange choice, I don't know why Nepo wasted so much time for nothing really. |
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Jul-03-19
 | | keypusher: Wow, I thought Carlsen might overstep trying to get play. Never expected this. <Everett> also maybe G A Thomas vs Rubinstein, 1922 |
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| Jul-03-19 | | boz: Carlsen, like other greats before him has no respect for the draw with Black win with White system. |
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| Jul-03-19 | | csmath: 28. exf5 Qe3
29. Kg2 Qe2
30. Kh3 cxd3
31. cxd3 Rbc8
and the attack continues where white has to find Qa7-Qg1 defence with equal game. Of course very difficult when down on time. |
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| Jul-03-19 | | BOSTER: Playing Qa2 white lost the game.
I'd not say this is really was the game. You can not play in such style vs Carlsen, even vs "A" class player. |
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| Jul-03-19 | | csmath: In either case, this game is amazing example of monstrous attack over the whole board. From queen-side opening of attack to breakout on king-side and queen powerful blow aided with two pawns. I do not think you can see something like this precise very often. This looks like an attack for the books to learn how to be a master player. |
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| Jul-03-19 | | Ulhumbrus: The move 25...c4 suggests that Nepomniachtchi has delayed the pawn advance c3 for too long, so that he can't answer ...c4 with d4. In addition to this if after Bxf4 the pair of moves following ...gxf4, namely the pawn sacrifice ...g4 and ...Qh4+ counts as a threat this suggests that White has to prepare Bxf4 by providing for this threat. If White needs to take action or make preparations earlier one alternative to 20 Bc3 is 20 Bxf4 exf4 21 c3 I suspect that Black is lost with best play but that Nepomniachtchi did not find the right way to proceed. |
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| Jul-03-19 | | Eyal: <MrMelad: <diceman: <MrMelad: and 28.gxf5 looks like a blunder.> It was, he had to take with the other pawn.> True. But after 28.exf5 Qe3+ looks very scary.> According to what Carlsen said after the game he actually calculated this line rather superficially (f5 was played quite quickly) - he was counting on 28.exf5 Bd4+ 29.Kg2 Qe2+, but here after 30.Kh3! White might actually be better, and even 30.Kh1 Bf2 (threatening Bg3) is apparently not enough to win because White has the surprising resource 31.Qa1! - suddenly threatening an attack of his own with b3/b4+ and gaining time to bring the queen to the defence with Qc1. But as Carlsen went on to say, maybe it was for the best that he didn't think about it too much because then the game would have ended with a draw... And of course it does look very scary for White - there was a very good illustration of that during the live broadcast when Anand was interviewed by Maurice Ashley about his game with Ding, and was asked to give a quick assessment of the current position in this game. "If I had done this with White my first reaction would be 'omg, I blundered everything.' The moment I see f5 it just looks to me like White is busted." |
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Jul-03-19
 | | chancho: Getting the Nepo monkey off his back is no doubt a relief. Now, he gets another chance to collect another scalp, namely: Ding Liren. Carlsen has proven he can step up to challenges when called upon. |
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| Jul-03-19 | | csmath: @eyal - Indeed f5 was played fast but I think he was seeing that all when playing c4 otherwise he would have not played it. I think black is equal even with the best play by white (according to my engine still running) but it is much harder to play white. |
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| Jul-03-19 | | csmath: This is a reminder of Alekhine. It was often said he was bluffing while attacking but how about trying to find the defence? It is one thing running the engine and quite another thing sitting OTB while getting a blow like 25. ...c4!!!
90+% of elite players just fold on that and that is why chess OTB is so much more interesting than correspondence chess. |
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| Jul-03-19 | | beenthere240: About Qa2 -- that was a favorite engine move -- setting up pressure with the Q and B along the a2-g8 diagonal. It came to naught because white had no levers for attack. But black had many opportunities for counterattack. I think white's error was taking the knight on f4 -- that opened lines that could only help black. |
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| Jul-03-19 | | Eyal: <csmath: @eyal - Indeed f5 was played fast but I think he was seeing that all when playing c4 otherwise he would have not played it. I think black is equal even with the best play by white (according to my engine still running) but it is much harder to play white.> As I mentioned, I'm going by what Carlsen himself said after the game about what he saw - he tends to be very honest about these things. Anyway, it's certainly possible that had Nepo actually played 28.exf5 Carlsen would have reassessed his calculations and played 28...Qe3, which does seem to be the most accurate. And yeah, according to Sesse 28...gxf5 was definitely the losing blunder (objectively speaking), whereas with 28.exf5 it's approximately equal with best play from both sides. Btw, one of the nice attacking ideas behind 25...c4 is a line where Black sacrifices half of his pawns - 26.dxc4 bxc4 27.Bxc4 d5!? 28.exd5 f5 29.gxf5 g4. |
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| Jul-03-19 | | ajile: 
click for larger view Analysis by Rybka 3 32-bit :
1. ² (0.34): 28.exf5 Qe3+ 29.Kg2 Qe2+ 30.Kh3 cxd3 31.cxd3 Rbc8 32.Rde1 Qd2 33.Qa7 Rc2 34.Qg1 Rxb2 35.Re6 Qxd3 36.Rd1 Qc3 37.Rxd6 Bf6 38.Rd7 Qe3 39.Rc1 Qxg1 40.Rxg1 Rd8 41.Rf7 2. ³ (-0.39): 28.d4 fxg4 29.fxg4 f3 30.Qa3 Qd7 31.Rg1 Rf4 32.Rg3 Rbf8 33.Qe3 Qa7 34.e5 dxe5 35.dxe5 Qxe3+ 36.Kxe3 f2 37.Rf3 Bxe5 38.Kxf2 Bxb2 39.Rb1 Bd4+ 40.Kg3 Rxf3+ 41.Bxf3 Rb8 42.Bc6 b4 43.Bd5 |
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| Jul-03-19 | | boz: <Eyal: Btw, one of the nice attacking ideas behind 25...c4 is a line where Black sacrifices half of his pawns - 26.dxc4 bxc4 27.Bxc4 d5!? 28.exd5 f5 29.gxf5 g4.> Thanks for that. It answers a question I was asking myself (along with von Krolock) during the game. |
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| Jul-03-19 | | csmath: That crazy sequence with white accepting sacs of pawns is really insane thing to play with 20 minutes on the clock (for Nepo). |
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| Jul-03-19 | | Eyal: MVL, who played a very similar structure against Carlsen in the recent Sinquefield Cup (M Vachier-Lagrave vs Carlsen, 2018), was also asked after his own game finished about the position in this game - which was then at a much earlier stage, after 15...Ne6. He said that he no longer thinks the whole concept is good for White, despite early evaluations the engines might give. White can't really do much with his supposed bind on the K-side, whereas Black might get some real initiative on the Q-side. |
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| Jul-03-19 | | boz: Carlsen is at 2877 on the live list. For a minute I thought it was 2895 but I was looking at rapid ratings. Almost had a heart atack. |
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| Jul-03-19 | | csmath: Big difference from MVL game, among other things, is that white has R-R battery on a-file rather than Q-R. Thanks for posting that, indeed Magnus had some valuable experience with the position. |
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