Oleg Loskutov vs Dmitry Chuprikov (2000)

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Oleg Loskutov vs Dmitry Chuprikov
RUS-Team (2000), Smolensk RUS, rd 9
French Defense: Alekhine-Chatard Attack. Breyer Variation (C13) · 1-0

ANALYSIS [x]

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< Earlier Kibitzing · PAGE 4 OF 4 · Later Kibitzing>
Mar-10-09		gallard: This is just a bad puzzle regardless of what day it is!! Why? A)Because White already has a significant advantage after Black's blunder with the move 17. Ncxe5 (instead of Qxb2). White's move 18.Nxe5 only maintains the advantage and is a trading move...not a puzzle solving type move. B)Black's subsequently played move should not have been considered in the puzzle solver's analysis since it's another blunder move by Black, who should have played 18. ...Nxe5, which leads to a long string of moves where White would eventually win.

Mar-10-09		dzechiel: <UnsoundHero: If 18...Qxb2, white doesn't have to make the "automatic" reply 19 Rc1. Instead, he has a forced mate: 19 Qd8+ Kg7 20 Nf5+ exf5 21 gxf5+ Kh7 22 Qh4 mate.> Good catch! I wish I had seen it!

Mar-10-09		kevin86: Darn!! I knew there was a knight fork on king and queen there,but I missed it.

Mar-10-09		Patriot: <gallard: This is just a bad puzzle regardless of what day it is!! Why?> I disagree. <A)Because White already has a significant advantage after Black's blunder with the move 17. Ncxe5 (instead of Qxb2). White's move 18.Nxe5 only maintains the advantage and is a trading move...not a puzzle solving type move.> It doesn't matter what the position was beforehand and whether the previous move is a blunder. The only thing that matters is the position that chessgames presented. Every problem on this site, with exception to a very few draw positions or where the other player wins, is a play and win position where someone has already made a mistake that lead to the winning position. <B)Black's subsequently played move should not have been considered in the puzzle solver's analysis since it's another blunder move by Black, who should have played 18. ...Nxe5, which leads to a long string of moves where White would eventually win.> 18...Qxd6 is not a blunder because he is lost anyway, but it's a move that at least tries to maintain material equality. If you decide that black just plays 18...Qxd6 without looking a step further (19.Qd8+) then it's a quiescence error.

Mar-10-09		SmotheredKing: I must say I did not find the solution, but I think my idea still works. I found 18.Nxc8 Nxf3 (...Rxc8? 19.Qxe5 drops a piece) 19.Qe7+ Kg7 20.Nxb6 and wins, is something wrong with this line?

Mar-10-09		TheaN: <gallard: This is just a bad puzzle regardless of what day it is!! Why?> Bizarre reasons afterwards tbh.... <A)> White is NOT ahead before the key move. Although there is a puzzle solution after 18.Nxe5 Qxd6, objectively the position is slightly in Black's favor whom is a pawn up. <B)> Yeah, of course White wins after 18....Nxe5. But that just loses a piece. And of course 18....Qxd6 is worse, but then White still has to search for a combination. Let me get this straight: so you are saying White is up before move 18 BECAUSE Black's 18....Qxd6 is a blunder? The point is that White has to see that the e5-Knight is not 'defended' due to the counterattack. If it were me, White to play 18, I would not consider myself 'having a significant advantage' before spotting the combination line. The only phrase I can agree with is that 18.Nxe5 is no puzzle move. 19.? would have made this as much Tuesday as it does now. But the rest of your statements are contradictory and circling reasoning.

Mar-10-09		TheChessGuy: Yeah, this is an unusual puzzle. I agree. So what? Any chance to pull off the Petrosian-Spassky combination should be welcomed!

Mar-10-09		SmotheredKing: oops I meant 18...Rxc8? 19.Nxe5 drops a piece, and not Qxe5.

Mar-10-09		Samagonka: Tricky one. Thought I had it with the first move but the rest was rather hard for me to see.

Mar-10-09		Justawoodpusher: Got it finally, but glad to have an excuse for the rest of the week (skiing) because this week seems to be really hard.

Mar-10-09		njchess: Like most, I found this to be tough for a Tuesday, if only because I was looking for a forceful, straightforward checkmate sequence. Finding none, I looked at winning material or positional gains. The obvious sequence of 18. Nxe5 Nxe5 19. Qxe5 leaves White a piece up with a strong, if not winning position. Regardless, Black's position is unenviable since he is down a minor piece, his king is in serious danger and he has limited piece activity. This is also one puzzle where it would have helped to know Black's prior moves, namely 17. ... Ncxe5, and therefore his thinking behind it. Clearly, he saw 17. ... Ncxe5 18. Nxe5 Qxd6 as being a viable exchange. At first, I did too. He might have also seen 19. Qd8+ Kg7 and thought he was none for the worse. I didn't because I saw what he obviously missed, namely 20. Qxh8+!! threatening 21. Nxf7+. Objectively, he might have played Qxd6 hoping White would not see the Qd8+ sequence since 18. ... Nxe5 19. Qxe5 leaves Black worse, but I doubt it. 20. Qxh8+!! is not that obvious. Good play by White to take advantage of the position. As for the game, Black's mistake was mostly an error in judgment. White's 13. g4 was a not so subtle attempt to occupy g5 and prevent Black from playing f6, which is a normal breakthrough point in the French for Black. 13. ... h6 was a mistake because it fails to allow Black to play f6, and it weakens his king's position. Better would have been the immediate a6 (e.g. 13. ... a6 14. Nd6 f6 15. exf6 Nxf6 (15. ... gxf6 16. Qh4+ Ke7 17. Nxc8+ Raxc8 18. Rb1 ) 16. Nxc8 Qxb2 17. Rc1 Rxc8 leading to a wild, unclear position). The odd part to this game is that Black knows he will play a6 inducing Nd6. Qxb2 is supposed to be Black's compensation for Nd6 and the point of playing Qb6 and a6 in the first place. However, I think by the time Black played a6, he realized that his king was in serious danger and therefore, not the time for positional counterplay. So, he attempted to diffuse White's threat by attacking the center with 17. ... Ncxe5 followed by Qxd6. Unfortunately, it completely backfired.

Mar-10-09		MaxxLange: I took a quick look at 17...Qxb2 on Fritz 10 at lunch. After about 60 seconds, it gives +.75 after 18 Rc1 d3 19 cxd3 Qxf2....I'm not so sure I'd play 19 cxd3 there, but that's what it likes (19. Bxd3 was =) It looks like, late or not, Black had to try this instead of the game move.

Mar-10-09		ruzon: <DarthStapler: I didn't get it> Eloquence! And me too.

Mar-10-09		ZUGZWANG67: Is it only me or is this tuesday-puzzle more difficult than usually ? It looks like 18.Nxe5 Qxd6 only equalizes ! Until that we realize that 19.Qd8+ Kg7 20.Qxh8+ Kxh8 21.Nxf7+ wins a R. And that 18. ...Qxb2 19.Qd8+ Kg7 20.Nf5+ exf5 (20. ...Kh7 or 20. ...Kh6 21.Rh1#) 21.gxf5+ Kh6 22.Rh1+ Kg7 23.Qxh8#. So that leaves only 18. ...Nxe5 19.Qxe5 Rg8 when White wins a piece. I didn' t expect something so complex today ! Or maybe am I missing something obvious ? Time to check (GULP!) !

Mar-10-09		ZUGZWANG67: Ok. This is it. Let' s see what others have to say.

Mar-10-09		ZUGZWANG67: Hm. A classical French.

Mar-10-09		WhiteRook48: I got the puzzle right

Mar-10-09		ZUGZWANG67: < gallard: <This is just a bad puzzle regardless of what day it is!! Why? A)Because White already has a significant advantage after Black's blunder with the move 17. Ncxe5 (instead of Qxb2). White's move 18.Nxe5 only maintains the advantage and is a trading move...not a puzzle solving type move.>> Your opinion is probably as good as anybody else' s, but I disagree with it. I would even mention that this is an excellent puzzle. That is because one had to see that 18. ...Qxd6 was not envisionnable to find out that White was winning a piece. I don' t believe that a puzzle needs to be straight forward in it' s execution to be considered a good one. Here, the threat of 19.Qd8+ was very strong, and one had to realize that the threat itself was (almost) as strong as its execution. That was, I think, the theme for today Peace !

Mar-10-09		Alphastar: <SmotheredKing> That's what I thought too, but 18. ..Qxb2! throws a spanner in the works and leaves black on top.

Mar-10-09		morfishine: Reminds me of Petrosian

Mar-10-09		morfishine: For better or worse, 17...Rg8 had to be played

Mar-10-09		MaxxLange: 17..Rg8 18 Qh6+ looks horrible for black, I think Black had to play 17...Qxb2 with some counterplay

Mar-10-09		Lightboxes: I got all the moves except QxR. I didn't see any other moves worth playing and gave up after I saw the king would just take the queen. Weird.

Mar-14-09		patzer2: For the Tuesday, March 10, 2009 puzzle solution, White initiates a winning Knight Fork combination after 18. Nxe5!

Jan-07-18		ChessCoachClark: This game was included in LEARN CHESS TACTICS by John Nunn, Chapter 1, Fork.

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