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Alexey Sokolsky vs Navrodsky
Novosibirsk (1944), Novosibirsk URS
Italian Game: Two Knights Defense. Open Variation (C55)  ·  1-0


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Given 61 times; par: 31 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 6 OF 6 ·  Later Kibitzing>
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  messachess: Well done, but not insanely difficult.
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  agb2002: Recycled.
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  Richard Taylor: I found this move Nxh7 (which I was sure won) and what was played except somehow I thought Black had captured on e3 and in a line I thought I had another R which won the game.

I didn't see that final B move but I was looking out for a similar idea as I could see that Black's QB and R were out of the picture....

So I give myself a few points for finding a few moves but not the very beautiful way White played...So about 20% in this case...

Jul-08-18  ughaibu: The psychologically difficult move is Qf7, obvious enough on its own, I guess, but a big change of pace.
Jul-08-18  hdcc: <PinnedPiece: I would have gone 16. Bd3 rather than f pawn push....but what do i know.>

I wanted to do the same. A quick squiz at Stockfish had Bd3 as the second-best move, so I take some solace from that. The first three moves were certainly very easy. I would have played them OTB with very little hesitation.

Jul-08-18  Cheapo by the Dozen: It wasn't hard to see that the "piece" sacrifice only sacrificed a pawn, but I don't know whether I'd have tried it over the board. A slow-building attack also looked promising, since ... g6 by Black to boost 2nd-rank communication would also open the long diagonal.
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  Marmot PFL: This charming game is given in Estrin's book on the Two Knights' as an example of why 4...Nxe4 is inferior to 4...ed4.
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  malt: Got the first 3 moves 14.N:h7 K:h7 15.Qh5+ Kg8 16.f5 d6 17.fe6 (17.Bg5)
17..B:e6 18 Bd3
No cigar
Jul-08-18  ZonszeinP: Beautiful but easy
Premium Chessgames Member
  patzer2: I didn't recall today's (14. ?) Sunday puzzle as a rerun from 2005. However, I did remember difficult Sunday puzzles often begin with a demolition of pawn structure sacrifice. So finding the initial moves 14. Nxh7!! Kxh7 15. Qh5+ Kg8 16. f5 +- wasn't difficult for me.

However, after 16...Ne5 I did not find the strong reply 17. fxe5! +- (+4.90 @ 32 ply, Stockfish 8). Instead I went for 17. Bb3 +- (+3.76 @ 32 ply, Stokfish 8), which wins after 17...d6 18. Bg5! (not 18. dxe6? Bxe6 =) 18...Qe8 19. Qh3 b5 20. fxe6 +- (+4.61 @ 38 ply, Stockfish 8).

One move earlier, Stockfish 8 finds <PinnedPiece> and <hdcc>'s 16. Bd3! +- (+4.71 @ 32 ply, Stockfish 8) to be stronger than the game move 16. f5 +- (+3.13 @ 32 ply, Stockfish 8).

P.S.: Apparently 12...Kh8?, which allows 13. f4 +- (+2.06 @ 32 ply, Stockfish 8), was the losing move. Instead, 12...h6 13. Ne4 Qe5 14. Nc3 Ne7 15. Re1 Qf6 + 16. f3 Kh8 17. Nd5 Nxd5 18. Qxd5 d6 19. Bd3 Nf4 ± (+1.30 @ 31 ply, Stockfish 8) gives Black a fighting chance.

For an early improvement, our Opening Explorer indicates Black has had more success with the popular move 4...exd4 = (-0.02 @ 30 ply, Stockfish 8). As the result of this game and others in our OE suggest, the seldom played 4...Nxe4 5. dxe5 ⩲ to ± (+0.72 @ 30 ply, Stockfish 8) has not been as good for the second player.

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  thegoodanarchist: I got the first 3 moves. That's something...
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  thegoodanarchist: GOTD Title Proposal:

Blue 'Sky Law

Premium Chessgames Member
  morfishine: Not much insanity here with the well-trodden <Nxh7> followed by <Qh5+>

However, the final <21.Bd4> was cute and instructive taking advantage of Black's lack of development


Jul-08-18  Nosnibor: Fairly easy and straight forward for a Sunday.
Premium Chessgames Member
  Jimfromprovidence: What if black tries to give back the piece with 16...d6?

click for larger view

If white plays 17 fxe6 then after 17...Bxe6 it looks like an even game.

Premium Chessgames Member
  ChessHigherCat: I saw the first three moves right away:

14. Nxh7 Kxh7 15. Qh5+ Kg8 16. f5 but then I got distracted by a "really cool" line in which white can sac the queen:

click for larger view

16...Qf7 17. fxe6! Qxh5?? 18. e7+, etc.

The only problem is that black, instead of collaborating, can play 16. ...Ne5 instead. I'm pretty sure I would have found the refutation to that line if I had looked, but I was too caught up in the glorious queen sac variant.

Jul-08-18  saturn2: The first 3 moves are rather routine.
Premium Chessgames Member
  FSR: The first three moves were obvious. Don't know if that means that I "solved" the puzzle. As <Jimfromprovidence> notes, 16...Ne5? was not forced.
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  ChessHigherCat: <JfP> and <FSR> If 16...d6, I found 17. Bg5 to open up the file and build up the attack on the pinned knight, and SF confirms:

1) +1.89 (21 ply) 17.Bg5 Qe8 18.Qh3 Nd4 19.Qg4 b5 20.Bd5 c6 21.Bxe6+ Nxe6 22.Rae1 c5 23.fxe6 Rxf1+ 24.Kxf1 Qg6 25.Kg1 Bb7 26.Re2 Bd5 27.b3 Re8 28.e7 Bf7 29.Qf4 Bd5 30.a4 b4 31.h4 Bf7 32.g4 d5

Premium Chessgames Member
  ChessHigherCat: The above SF line leads to this position:

click for larger view

And now white is clearly winning:

1) +4.13 (20 ply) 33.h5 Qa6 34.Re5 Qd6 35.h6 Kh7 36.Bh4 Bg6 37.hxg7 Kxg7 38.Qg5 d4 39.Rxc5 Kh7 40.Re5 Qb6 41.Bg3 d3+ 42.Bf2 d2 43.Qxd2 Qf6 44.Qe3 Kg8 45.Re6 Qa1+ 46.Kg2 Qg7 47.Qg5 Bxc2

Jul-08-18  Walter Glattke: diagram above 16.-Qf7 17.fxe6 get the end after 17.-Qxf1+ 18.Rxf1 Rxf1+ 19.Kxf1 dxe6 20.Qe8+ Kh7 21.Bd3+ g6 22.Qxg6+ Kh8 23-Bh6 Ne5 24-Qg7#
Jul-08-18  Walter Glattke: After 17.Bg5 Qe8 18.Qh3 I thought for 18.-Nse5 19.Bb3!? Nf7 20.fxe6 Nxg5 21.e7+ Rf7 22.Bxf7+ Qxf7 23.Rxf7 Nxh3+ 24.gxh3 Kxf7 so black was the winner.
21.Rxf7 Bxe6 22.Rxg7+ Kxg7 23.Qh6+ Kg8
24.Bxe6+ Rf7 25.Bf6 Qxe6 26.Qh8#
Premium Chessgames Member
  Jimfromprovidence: <ChessHigherCat><JfP> <and <FSR> If 16...d6, I found 17. Bg5 to open up the file and build up the attack on the pinned knight, and SF confirms:>

Also check out 17 Rf3 after 16...d6 with the threat of 18 Rh3. Never would have seen this but Stockfish did.

click for larger view

Jul-08-18  pajaste: Got until f5 but missed several afterwards.
Jul-08-18  Helios727: Why not 16... b6 ? After 17. fxe6 Rxf1+ 18. Rxf1 dxe6, is not Black somewhat okay?

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