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Vlastimil Jansa vs Drazen Marovic
Madonna di Campiglio (1974), Madonna di Campiglio ITA, rd 6, Jan-13
French Defense: Tarrasch Variation (C03)  ·  1-0



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Given 20 times; par: 22 [what's this?]

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Kibitzer's Corner
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Premium Chessgames Member
  Richard Taylor: As far as I can see 18.d5 is unnecessary and 18. Rd3 wins
Premium Chessgames Member
  Richard Taylor: The reason for d5 must be to block the diagonal that is Black's White-squared B so if 18. Rd3 Bxg2 19.Qxg2 Qd5 20. Qh3 Qg5+ 21. Kb1 I think White is still winning

but there is also 19. Rg3

hmmm 18. d5 stops it all in any case.

Dec-11-05  kevin86: A good finish! White was able to execute a good kingside attack vs black. I didn't even try this one-these Sunday puzzles are "murder"-as Hank Stram used to say-.
Dec-11-05  shortsight: <kevin86> I didn't try too. Saw until 15.Bxh7+ but brushed it off thinking that it will be perpetual instead of winning. In OTB play, I won't even try Bxh7 in the 1st place. Sigh ...
Dec-11-05  Neurotic Patzer: er.. on my last post I meant "and BLACK can only postpone mate".
Dec-12-05  snowie1: It's a neat game to just study in the final position. Black's only move ..Qxd3 still couldn't prevent mate it a couple of moves. and I agree that Black's 12..0-0 was not good with White's guns trained on the K-side.
Dec-13-05  LIFE Master AJ: To answer a friend's question, I hit upon the idea of ...Nxd7 and ...Bxh7+ rather quickly.

What was not so easy to see, and took many minutes, was the idea 18.d5!, which is not such a simple move to spot in advance.

Dec-13-05  hayton3: <LIFE Master AJ> Name of friend?, title?, USCF membership no.?, what program was he using?, was he scratching his ___ at the time?
Dec-15-05  patzer2: White's 13. Nxd7!! prepares a winning demolition of pawn structure combination with the pseudo-sacrifices 14. Nf6+! and 15. Bxh7+! immediately following.
Dec-15-05  patzer2: <LIFE Master AJ> is correct in pointing out that 18.d5! is a key obstruction move in White's winning combination.

The "obvious" alternative 18. Rd3!? Qd5! 19. Rh3 Qg5+! gives Black unnecessary counterplay and practical drawing chances.

Dec-15-05  hayton3: Yes, Fritz is correct in pointing out all these combinations.
Feb-14-22  whiteshark: For aesthetic reasons I would have preferred the silent final move <21.Rg1!>

click for larger view

Dec-18-22  Dionysius1: Oh lor'. The days when chess and I were young....the teasing around h7. I applaud you for liking the solution theme. That's nice chess!
Dec-18-22  Brenin: A rather obvious initial attack, though the follow-up needs to be handled with care. 14 Nf6+ gxf6 (otherwise the Q is lost) 15 Bxh7+ Kh8 (15 ... Kxh7 16 Qh5+, 17 Qg4+ and 18 Rd3 wins; 15 ... Kg8 16 Qg4+ is similar) 16 Qh5 Rg8 17 Be4+ Kg7 18 Bxb7 with advantage to White, or 16 ...Kg7 17 Qg4+ Kh8 18 d5 (better than 18 Rd3 Qd5 19 Rh3 Qg5+ 20 Qxg5 fxg5 21 Be4+ and 21 Bxb7) and only then 19 Rd3, with Black's Qd5 and Qg5+ avoided.
Dec-18-22  mel gibson: I saw the first ply in 2 seconds but couldn't see how it would lead to anything much.

Stockfish 15 says:

14. Nf6+

(14. Nf6+ (♘e4-f6+ g7xf6 ♗d3xh7+ ♔g8-h8 ♕e2-h5 ♖f8-g8 ♗h7-e4+ ♔h8-g7 ♗e4xb7 ♖a8-d8 ♕h5-f3 f6-f5 ♔c1-b1 ♗b4-e7 d4-d5 ♗e7-f6 ♗b7-c6 ♕d7-d6 c2-c3 ♖g8-h8 h2-h3 f5-f4 ♔b1-a1 ♖h8-h6 d5xe6 ♕d6xe6 ♗c6-a4 ♕e6-f5 ♗a4-b3 ♖h6-h8 g2-g4 ♖d8xd1+ ♕f3xd1 ♕f5-e5 g4-g5 ♗f6xg5 ♖h1-g1 ♔g7-f8 ♕d1-d7 ♕e5-e7 ♕d7-c8+ ♕e7-d8 ♕c8-f5 ♗g5-f6 a2-a3 ♕d8-e7 ♕f5xf4 ♖h8-h5 ♔a1-a2 ♕e7-e5 ♕f4-f3 ♖h5-g5 ♖g1-d1 ♖g5-f5 ♕f3-a8+ ♕e5-e8 ♕a8xa7 ♕e8-c8) +3.04/41 158)

score for White +3.04 depth 41.

Dec-18-22  jrredfield: I saw the first three plies with the two White sacs right away, leaving Black's K so vulnerable that White could afford to be behind in material. I guessed 15 ... Kxh7 but clearly Black saw the danger by then and didn't bite. A masterful attack by Vlastimil.
Dec-18-22  nalinw: First two moves are Tuesday or Wednesday - but anticipating the defensive resources via the d5 square make it a Sunday puzzle .....
Dec-18-22  Mayankk: Black has left its King alone, marshalling its resources on Queenside in hopes of its own offensive. That usually means a vulnerable Kingside and White can force-open the pawn wall protecting the Black King via 14 Nf6+. It can't be refused and after 14 ... gxf6 15 Bxh7+ Kxf7 16 Qh5+ Kg8/Kg7 17 Qg4+ Kh8/Kh7 18 Rd3, Black can't protect against 19 Rh3#.

That means 15 ... Kh8 16 Qh5 Kg7 17 Qg4+ Kh8 (since taking the poisoned Bishop only hastens mate as above). After this I would have likely gone stray via 18 Rd3 and hope for a mating attack via Rh3/Rg3 at some point. The subtle reason on why 18 d5 was better is beyond me.

Premium Chessgames Member
  An Englishman: Good Evening: The combination of 3...b6 and 5...dxe4 looks horrible, almost inviting the conflagration to come. Bit too easy for a Sunday, esp. as two variations seem to work.

5/7 this week. Flubbed Wednesday (really), flubbed Thursday, solved Saturday and Sunday. Might be my new normal.

Dec-18-22  Cheapo by the Dozen: The reason for 18 d5 is to deny the square to the black queen, and hence keep her away from g5.
Premium Chessgames Member
  agb2002: White has a bishop and a knight for the bishop pair.

The black castle looks defenseless and White can attack with four pieces starting with 14.Nf6+ gxf6 15.Bxh7+:

A) 15... Kxh7 16.Qh5+ Kg7(8) 17.Qg4+ Kh7 18.Rd3 Bxg2 19.Qxg2 e5 20.Rh3+ Qxh3 21.Qxh3+ wins decisive material.

B) 15... Kg7 16.Qg4+ Kh8 (else 17.Rd3 as in A) 17.Rd3

B.1) 17... f5 18.Qh5

B.1.a) 18... Kg7 19.Rg3+ Kf6 20.Qg5#.

B.1.b) 18... f6 19.Bxf5+ Kg8 (19... Kg7 20.Qh7# or 20.Rg3#) 20.Rg3+ Qg7 21.Rxg7+ Kxg7 22.Qh7#.

B.1.c) 18... Rfb8 19.Rg3 wins.

B.1.d) 18... Rg8 19.Rh3 Rg6 20.Bg8+ and mate in two.

B.2) 17... Rg8 18.Bxg8 and mate soon.

B.3) 17... Qd5 18.Rh3 Qxg2 19.Be4+ Qxh3 20.Qxh3+ Kg7(8) 21.Qh7#.

C) 15... Kh8 16.Qh5

C.1) 16... Kg7 17.Qg4+ transposes to B.

C.2) 16... Rg8 17.Be4+ Kg7 18.Bxb7 wins a pawn with the better position.

C.3) 16... Rfb8 17.Be4+ Kg7(8) 18.Qh7+ Kf8 19.Bxb7 Rxb7 20.Qh8+ Ke7 21.Qxa8 wins decisive material.

C.4) 16... Qd5 17.Bf5+ Kg7(8) 18.Qh7#.

Premium Chessgames Member
  agb2002: It seems I underestimated the move ... Qd5.
Dec-18-22  faulty: masterclass. how to get attacked in French and commit an aesthetic suicide. maximum points for that
Premium Chessgames Member
  chrisowen: I blocky its woke cello jump z Nf6+ its aka key he add nadda cinch Nf6+ dabble!
Dec-18-22  Allderdice83: <patzer2> After 18 Rd3 Qd5, I thought of 19 f4?? to stop Qg5+, but then realized that Black wins with Qxa2, threatening Qa1#: 20 Kd1 Qb1+ 21 Ke2 Qxh1 and it looks like White gets mated rather than Black;

22 Rg3?? Qe1+ 23. Kd3 Qd2+ 24. Kc4 Bd5+ 25. Kb5 a6+ 26. Ka4 b5#.


22 Qh4 Qxg2+ 23 Kd1 (Kd3 Qf3#) Qf1+ 24 Qe1 Qxe1#

22 Qg3 Qxg2+ 23 Qxg2 Bxg2 24 Rg3 and White is out of immediate danger but will be down a rook AND a bishop with no more threats themselves, or

22 Rd1 Qxg2+ with a similar result as above, or

22 Be4 Qe1+ 23 Kf3 Bxe4#

Also, after 19 ... Qxa2, 20 Ra3 Bxa3 21 bxa3 Qa1+ winning the other rook as well.

It's amazing how much complexity there can be in a position. I probably wouldn't have found d5 myself or seen any danger after 18 Rd3 until I got hit with 18 ... Qd5!!

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