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Magnus Carlsen vs Jan-Krzysztof Duda
Tata Steel Masters (2019), Wijk aan Zee NED, rd 12, Jan-26
Queen's Gambit Declined: Vienna Variation (D37)  ·  1-0



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Kibitzer's Corner
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Premium Chessgames Member
  thegoodanarchist: < OhioChessFan: I wonder if Carlsen can mate with Bishop and Knight...>

I was hoping to see that. Clearly, Duda was not interested

Jan-26-19  Olsonist: It depends on the denomination.
Premium Chessgames Member
  Penguincw: < OhioChessFan: I wonder if Carlsen can mate with Bishop and Knight... >

The Endgame Explorer doesn't have any Carlsen BN vs. K endings, so we'll never know.

Carlsson was on the wrong end of one once. P Carlsson vs M Panchanathan, 2016

Jan-26-19  Dave12: <Penguincw: The Endgame Explorer doesn't have any Carlsen BN vs. K endings, so we'll never know.> The closest thing he had to that ending, I think, is Carlsen vs Aronian, 2012 where black resigned before testing his B+N mating ability.
Premium Chessgames Member
  OhioChessFan: < I wonder if Carlsen can mate with Bishop and Knight...>

It's happened to a World Champion before. Of course, this was my reference:

A Ushenina vs O Girya, 2013

Jan-26-19  csmath: Mating with bishop and knight is not so hard so any master candidate should be able to do it. It takes about 30 moves max.

The idea is simple - block the opponent's king with a main diagonal and then forcing it to a smaller and a smaller diagonal. The final corner has to be of the color of the bishop. It is really not hard.

I know I practiced that as a young player and I had one game where I deliberately promoted bishop instead of a queen just to practice against human opponent. It was not a problem at all though I think I spent a little more than 30 moves. The harder thing is to win with a queen versus a rook.

But I am sure Carlsen would have no problem to do either and I am sure that Duda felt that was really not something he would want to waste time on finding out.

Jan-26-19  Monocle: Magnus could probably do it with 30 seconds on the clock. Once you know the technique, it's trivial.
Jan-26-19  csmath: I would definitely bet that Magnus would do that in no more than 2 minutes. 30 seconds, I don't know about that ...
Jan-26-19  csmath: One of the things that Magnus did for chess world is to put the emphasis back on the endgame. I think he has shown quite convincingly that the world chess champion needs to have immaculate endgame skills set. This is good for the game and for all the young players everywhere. It teaches them the required discipline in the learning process.
Jan-26-19  Count Wedgemore: <OCF: It's happened to a World Champion before.>

A World Champion whose peak rating was 2502.

Jan-26-19  Count Wedgemore: <ChessHigherCat: Carlsen can mate with a bishop and a knight but they wouldn't produce offspring.>

Don't know about knights, but many protestant denominations have female bishops, so..ehh..technically they could have produced offspring in some cases..

This is really not a discussion to be pursued further in my NOT SO HUMBLE opinion.

Jan-26-19  frogbert: This one of Carlsen's best tournament performances in a long time! And I'm thinking as much in terms if his play as his result so far. He was even somewhat unlucky to face Kramnik and Fedoseev in games where they played really well - while Giri has been as lucky as anyone can hope for, regarding his two last games.

Anish might still win the tournament. It will take only one bad game by the world champion.

Jan-26-19  rogge: Jan Gustafsson said that 10. Rd1 was a prep for the Caruana-match :)
Jan-26-19  DansChessLounge: The ending position was going to be Bishop & Knight vs King. Do you know how to win that endgame? Check out the video to see how--->
Jan-26-19  Count Wedgemore: <Frogbert: This one of Carlsen's best tournament performances in a long time! And I'm thinking as much in terms if his play as his result so far.>

Agreed, <frogbert>. Of course, there have been others; he had, for instance, a good Tata Steel tournament last year as well. The Open tourney on the Isle of Man some months before that was also good, at least results-wise, that is.

But in terms of quality of play, I'd venture to say that this may be his best tournament since the 2015 Gashimov Memorial where he played some phenomenal chess. He had a great LCC tournament also that year. This was on that level.

Jan-27-19  Ulhumbrus: One point of 50 Kd2 inducing the advance 50...c3+ is that the withdrawal ...Ke5 allows the fork Nd3+ as the c pawn covers no longer the square c4.
Jan-27-19  Ulhumbrus: The move 54 Rb1! which offers the h pawn makes ready a combinative resource.

On 54...Rxh5 55 Bxe4! Black's f pawn is overworked. If it has to obstruct the fifth rank against the skewer Rb5+ it cannot then defend the e pawn and take White's bishop.

This game suggests that Carlsen's endgame skill includes such combinative resources as he employs in this game.

Suppose that we assume that such combinative resources must count as a part of the technique of such endgames.

This suggests then that Carlsen's endgame skill is more complete to this extent.

This suggests in turn that to the extent that any player's endgame technique lacks such combinative resources it is incomplete.

Jan-28-19  johnkr: A bewildering game! Magnus in his element and I noticed that very few of the annointed commentators could really shed light... is it a clear win for White or does BLack have drawing chances? However using the engines, I'm finding one promising idea here: instead of Black's 45th Rb6, he can try 45... Rd5 46. Nf4 Rd6 47. Be2 the White advantage recedes. To explain in English it does seem like the White king is boxed in by the 2 Black rooks on b and d files now whether a Magnus could overcome this, who knows, maybe the truth will emerge in later and more careful analyses.
Jan-28-19  johnkr: However one more comment on this game, it took some cooperation by Duda - he was almost busted early by ...h6, a careless move. But granting that, it was still a phenomenal win.
Jan-30-19  johnkr: Peter Svidler in his game analysis fingers Magnus' 43 Kc3 as inaccurate if black had found 43 ... Rd5! 44 Bc2 Rbd8 and now the Rook can enter d2, e.g. 45 a5 Rd2 46 Nf4 46 Rf2! with play. The engines seem to agree, White has now only a small plus. Granted it's not easy to find.
Jan-31-19  Ulhumbrus: < johnkr: Peter Svidler in his game analysis fingers Magnus' 43 Kc3 as inaccurate if black had found 43 ... Rd5! 44 Bc2 Rbd8 and now the Rook can enter d2, e.g. 45 a5 Rd2 46 Nf4 46 Rf2! with play. The engines seem to agree, White has now only a small plus. Granted it's not easy to find.>

This suggests or helps to suggest at least four things as follows.

1. It is a brilliant resource.

2. As someone else has said already, Svidler is a great player.

3. If, as Nimzovich has said in his books <My system> , the purpose of occupying an open file is to get a rook to the seventh rank, this resource pointed out by Svidler suggests that the purpose of occupying the seventh rank can be to switch to another file so as to become able to invade another rank.

4. This resource is instructive and serves to increase the knowledge and skill or resourcefulness of players who have learnt of Svidler's comment.

Feb-03-19  cormier:

click for larger view

Analysis by Houdini 4 <d 22 dpa done

1. = (0.10): 16...Bc6> 17.a4 h6 18.Bf1 Nd5 19.Rc4 Nb4 20.Qe2 Bd6 21.Rg4 Kh8 22.a5 Nd5 23.Nxd5 Bxd5 24.a6 Qf6 25.a7 Ra8 26.Be3 Be5 27.f3 Bxb2 28.Rb1 Be5 29.Qd3 Rfd8 30.Qc2

<2. = (0.12): 16...Be7> 17.Be3 h6 18.Rd1 Re8 19.b3 Bd6 20.Ne4 Nxe4 21.Rxe4 Qf6 22.Bd3 Bb5 23.Bxb5 Rxb5 24.a4 Rh5 25.g3 Qf3 26.Bd4 Rd8 27.Re3 Qb7 28.Bb2 Rf5 29.Qe4 Qxe4 30.Rxe4 Rd5 31.Rxd5 exd5 32.Rg4

<3. = (0.13): 16...Qe7> 17.a4 h6 18.a5 Rfd8 19.a6 Ba7 20.Be3 Bxe3 21.fxe3 Bc6 22.a7 Ra8 23.Bb5 Bb7 24.Rha4 c6 25.Bf1 c5 26.Bb5 Qc7 27.Qf2 Qb6 28.Qe2 Qc7 29.h3 Qe5 30.Rd1 Rxd1+ 31.Nxd1 Ne4

<4. = (0.15): 16...Re8> 17.a4 h6 18.a5 Nd5 19.Rh3 Bd4 20.a6 c6 21.Rf3 Qb6 22.Ne2 Be5 23.Bd3 f5 24.Nf4 Ra8 25.Qe2 Qd4 26.g3 Red8 27.Bc4 Bc8 28.Rb3

5. + / = (0.37): 16...g6 17.Bg5 Be7 18.Rd4 c5 19.Rdd1 Qc7 20.Ne4 Nxe4 21.Bxe7 Rfe8 22.Qxe4 Rxe7 23.b3 Bb5 24.Bxb5 Rxb5 25.Qc2 Re8 26.Rac1 Rc8 27.g3 Qb6 28.Qc3 c4 29.Rd4 Rbc5 30.bxc4 Ra5 31.Rd2 Rf5 32.Rcd1

6. + / = (0.46): 16...Rb6 17.a4 Re8 18.a5 Rd6 19.a6 Bc6 20.a7 Ba8 21.Rh3 Rd7 22.Be2 Qe7 23.Rg3 Bd4 24.Be3 Bxe3 25.fxe3 c6 26.Qa4 Rd2 27.Bf3 Rxb2 28.Bxc6 Rd8 29.Bxa8 Rxa8 30.Qh4 g6 31.Rf1

Feb-03-19  cormier:

click for larger view

Analysis by Houdini 4 d 24 dpa done

1. = (0.00): 16...Qe7 17.Bd3 h6 18.Bxh6 gxh6 19.Qd2 Rb4 20.Rxb4 Bxb4 21.Qxh6 Bxc3 22.bxc3 Ra8 23.Qg5+ Kf8 24.Qh6+ Kg8 25.Qg5+

2. = (0.00): 16...Bc6 17.Bd3 h6 18.Rc4 Qe7 19.a4 Rfd8 20.Bf4 Rb4 21.Rxb4 Bxb4 22.Be2 e5 23.Be3 Ba5 24.Qb3 Nd5 25.Nxd5 Bxd5 26.Bc4 Bxc4 27.Qxc4 Bb6 28.Bxb6 cxb6 29.Re1 Rd2 30.Qc3 Rd5 31.Qc6 Qb4 32.Qc8+ Kh7 33.Qf5+ Kh8 34.Qc8+

Mar-30-19  joddon: Carlsen always gets one of his enemies pieces stuck so bad, so heavily that the rest of the game pressure is enormous on the bad piece...that's how he always this case blacks rooks are confused and don t know which way to go....tactically black is so lost in his endgame
Apr-03-19  Jambow: Magnus doing the Karpovian shuffle... If someone took a month to study this endgame they would come out a better player.
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