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Alexey Suetin vs Jorgen Gustav Nielsen
Copenhagen (1965), Copenhagen DEN, rd 11, Oct-??
Spanish Game: Closed. Suetin Variation (C90)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Oct-01-05
Premium Chessgames Member
  al wazir: The continuation given by <crafty> is easy to see in the final position, but it isn't so easy at move 28. I calculated the variation correctly up to move 31 (the point at which black resigned), but no farther. I doubt if I would have had the guts to play it OTB.
Oct-01-05
Premium Chessgames Member
  jahhaj: Really quite easy, for once I saw it all. Maybe because the line is forced. It's not spotting the moves that I find difficult, it's calculating half a dozen or more variations.

Rd7 suggests itself because the Nf8 is overloaded. But it doesn't work immediately so look for a way to make Rd7 more forcing. Bxh6 fits the bill and its a simple calculation from there on.

Oct-01-05  DWINS: It should be pointed out that Suetin missed the best continuation. Instead of 31.Qxh6+ and the ensuing potential complications, he should have played the far stronger 31.Qh7

How does Black stop the threat of 32.Qh8#? 31...Nf6 32.Qxh6+ Kg8 33.Nxf6+ is crushing as is 31...Qe6 32.Bxe6 Rxe6 33.Qh8+ Ke7 34.Qxa8

Oct-01-05
Premium Chessgames Member
  jahhaj: <DWINS> Nice, and I thought I'd seen it all.

I guess Suetin missed that the same way I did. Black should play 30...♔h8 when after 31.♕xh6+ we're back in the game. Suetin probably worked out that win and then thought 30...♔f8 31.♕xh6+ is just the same.

Oct-01-05  HelaNubo: I got it. It is beyond any doubt that Bxh6 is the best move, and 29.Rd7! is the point of the combi. However, I wondered some time what would happen if Black does not play gxh6. Any line is better: e.g., 28...Ne6 29.Be3,Qf8 (or 29...Ngf4); or 28...Nh4;29.Qg4,Nhg6 and so on. But that is just another game. Anyway, gxh6 opens the way to the disaster. In the line given by crafty after the final position, white can play 34.Nxf7+, Kxf7;35. Qh5+,and white gains a bishop or a knight with 35...Ke7 36.Qh4+ or 35...Kf8 36. Qg4. After that White has Q+R+3pawns against R+R+B, and win is sure.
Oct-01-05  snowie1: I got this one including Rd7, but utterly missed Qxg6 going around the block so to speak, in order to win. But it would require a blunder for white to lose at that point. And Qh7 iz stronger than Qxh6!
Oct-01-05
Premium Chessgames Member
  Sneaky: Rd7!! was hard to see, no two ways about it.
Oct-01-05  pawntificator: I had considered the solution, but didn't see enough to pick it. In the end I gave up while still toying with 28. Bg5 and hoping for a win through complication.
Oct-01-05  BreakOnThru: well I was pretty sure 28.Bxh6 was the correct move, but completly missed out on Rd7. I thought about the queen taking the knight on g6, but couldnt figure out a way to get the knight off of f8.

Good puzzle, first one of the week I wasnt able to get.

Oct-01-05  Pchief: Bxh6 gh Rd7 Nxd7 Qxg6+ But I don't understand why black resigns, it seems the game would end up in a perpetual check
Oct-01-05  knightmares: I saw upto Qxg6+ but didn't see the clear win with 31. Qh7!! and the black Queen is lost.
Oct-01-05  Saruman: 31.-Kg8 32.Ng5 Qf6 33.Bxf7+ ). I couldnt see further than this but thought it too be winning. Rd7 I found rather easily, since it was clear that another piece had to participate in the attack to accomplish something,
Oct-01-05
Premium Chessgames Member
  kevin86: This is the kind of problem that is really hard to solve. We have a variety of tactics in use here-and the hunting of both queen and king. In this case,the queen is captured first.
Oct-01-05  Saruman: 32.Ng5 Nf8 33.Nxf7 Ne6 34.Ng5 Qg7 35.Bxe6+ Rxe6 (-Kf8 Nh7+ mates) 36.Qxe6+ Kh8 (-Kf8 Qc6!) 37.Qxe5 and white should win easily.
Oct-01-05
Premium Chessgames Member
  jahhaj: <Pchief> It seems Black did resign prematurely, it can't have hurt to play on when your next move is forced. After 31...♔g8 the winning move for white is 32.♘g5 threatening mate. Black can try 32...♘f8 or 32...♘f6 or 32...♕f6 but they all lose. <Saruman> has pointed out some of the lines.
Oct-01-05  Eric Xanthus: Proud to say I got this (through 30.Qxh6), with reasoning similar to <jahhaj>. Rd7 is the only way to get the f8 knight out of there. The Rd7 only works if you can fork the king and queen in the variation where black captures the rook with his queen. The only way to do that is to remove the g7 pawn, and the only way to do that is Bxh6.

The idea of <kola> to play 31..Kg8 32.Ng5 Nf6 loses more material than the Crafty line after (I hope this is right) 33.Qg6+ Kf8 (33..Kh8 34.Nxf7+ and white comes out of the combination with a bishop more than the crafty line) 34.Bxf7 and after any black move (other than 34..Qxf7 35Qxf7#, of course) then 35.Nh7+ Nxh7 36.Qg8#. My engine is "Scribbled on a Pad of Paper (tm)," so I might be missing something.

Oct-01-05  Saruman: <Eric Xanthus> 32.-Nf6 is disastrous after 33.Nxf7 (threatening Qh8#) Qxf7 34.Qg6+ (because the queen is pinned) Kh8 35.Bxf7
Oct-01-05  belka: If Qh7 is better than Qxh6+, White can still avoid the complications, change his mind, and play Qg6+ again, repeating the position.

... Kg8 in response to Qg6+ is just as forced as before, as ...Kh8 gets killed by Ng5 now that the h6 pawn is removed. I believe that White will win the Black queen in this line for 1 piece instead of 2.

Oct-01-05  Saruman: <belka> I think youre right that 31.Qh7 is stronger than 31.Qxh6+ because it maintains the threat of Qxf7# and Qh8#, and black will lose more quickly for instance;

31.Qh7!? Nf6 (what else?) 32.Qxh6+ Kg8 33.Nxf6+ Qxf6 34.Qxf6 and black is doomed.

Oct-01-05  drmariogodrob: Not certain I see where the win will come from at the point of resignation. Black loses his queen for two pieces and a rook. I guess he saw danger in the endgame with the pawn majorities, but still--play on, for crying out loud.
Oct-01-05  snowie1: Also, after 28.Bxh6 gxh6 29.Nf6+..Kh8 and 30.Nd7 for the exchange of Ns and NOW, 31.Rd7 and where to place the lady for black?..out of harms way, Suetin's 32.Qf6+..and mate soon to follow.
Oct-01-05  grook: I saw the first two moves, alright, but got lost trying to make 29.Nf6+ work. The solution is delightful nevertheless...
Oct-01-05
Premium Chessgames Member
  Richard Taylor: I saw Qh7 - but I didn't try to work this out I just played the game over - I might have played B:h7 but missed Blacks defencs -but OTB I would have been concetrating harder (but then there is the "tension of the moment" etc B:h6 looks a good idea - but I thought that Bg5 was the ticket.
Oct-16-06  HelaNubo: Wow, a firework final. Strange that it has not yet become a puzzle, perhaps for a thursday with "White to move 28.?".
Feb-04-15  FSTIMJP: In some books, 31.Qh7 (and not 31.Qh6) is given as White's last move. Which is correct?
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