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Kachler vs Louis Paulsen
? (1865)
Italian Game: Evans Gambit. Main Line (C51)  ·  0-1
ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jul-18-06  EmperorAtahualpa: 23...Rxg2 24.Bxg2 Rg8 was my solution, which works too. Needed around 20 seconds for this one!
Jul-18-06  Fischeristhebest: 24.Kh1 Rxh2++ 25.Kxh2 Qf4+ 26.Kg1 Qg3+ 27.Bg2 Qxg2#.
Jul-18-06  mandy64: <think:> after 23. .. Rxd2 24. Qxd2 Qf3 white can play 25. Qd6+ Ka8 26. Qf8! Rxf8
27. gxf3
black is still better, but he can't win so fast
Jul-18-06  dakgootje: both saw Nc4 and Rxg2. Even though it was just a tuesday puzzle i knew the odds where better that Rxg2 was the solution, but somehow Nc4 looked... better, thus began calculating that. I didnt see far enough to see it was indeed a forcing move, as noted above, and thus left it, knowing there were maybe chances in it.

By leaving Nc4 i began calculating the, in my opinion, second best candidate move, the more forcing Rxg2. Whites Bxg2 was quite obvious after which i wasnt sure what continuation to pick, as there were several possibilities. Went here for Qg6, because i thought it was better then Qg5 where it probably would be continued by <TheBB>'s variation

Jul-18-06  zb2cr: COunt me among the 23. ... Qg5 crowd. Oops. Winning, but not the best. Story of my chess career....
Jul-18-06  JustAFish: I saw ...Rd3 and ...Qf5. Both of them seemed a lot prettier than the text move and win just as decisively.
Jul-18-06  Whitehat1963: Yes, I got this one. Now, even though I know white is lost, what is best play after 25. f3?
Jul-18-06
Premium Chessgames Member
  paulalbert: f3 not possible. P is pinned by B on b6
Jul-18-06  Whitehat1963: Whoops, yup!
Jul-18-06
Premium Chessgames Member
  patzer2: So where did White go wrong? Well for one thing he played the risky Evans Gambit against a well prepared opponent in Paulsen.

The first eight moves follow the theory of the opening, but White then plays what appears to be a dubious and rare attack (at least it's the only try in the CG database) with 9. Ng5?! when Paulsen's obvious reply 9...Nh6! holds nicely for Black. A better opening choice here IMO is developing with 9. Nc3 = as in L Schandorff vs J Furhoff, 1994 or Fritz vs HIARCS, 1992.

White might also reconsider 11. Bxh6?!, which messes up a little pawn structure for Black, but also opens up the g-file for a strong attack on White's Kinside. A better choice IMO was 11. Be3, with two active Bishops and more space to compensate for the gambit pawn.

The decisive blunder was 18. e5?, when the simple 18. Nc2 breaks the pin and still gives White time to defend his Kinside and hold the position, albeit with Black still holding a small but clear advantage.

Although still losing, the try 21. Ne4!? would have avoided an immediate crushing attack and might have given White a little chance to try and swindle the draw. After 21. a4? Bc6! , I think most modern experts and masters would have resigned the White position.

However, it is an interesting and instructive exercise in tactics to try and work out the many winning possibilities for Black after 21...Bc6!, which I suspect was the purpose in making (23...?) today's puzzle choice.

Jul-18-06  Wilsonia: Another nice line is 23...Qf5 (or Qh4) 24.Ra3 Qxh3 25.Rxh3 Rxg2+ 26.Kh1 Rxf2+ winning very easily
Jul-18-06
Premium Chessgames Member
  YouRang: I found the quick double-attack 23...Qg5, which looks like it picks up a piece.

I figured that this wasn't the BEST solution, so I spent some time looking for something better. But black has such a dizzying array of attacks and pins at his disposal, that I finally got tired of looking and lazily settled for ...Qg5. I think it's 'good enough' :-)

Jul-18-06
Premium Chessgames Member
  kevin86: I tried the option of 23...♖xg2+ 24 ♗xg2 ♕g5 threatening mate and the knight at d2-at least as good as the text,IMHO.
Jul-18-06  jackpawn: I came up with the same solution that was played in the game, although I kept thinking I was probably missing a prettier line.

I assume white was a non-master?!

Jul-18-06  aragorn69: <RandomVisitor: <dzechiel>of Black's 48 possible moves, the worst possible are Qd6, Qxf2+, Rg3, Be4, Qf3, Bf3, Rg4 and Bxf2+, which all favor white. The remaining 40 moves favor Black.> LOL 40 out of 48 : that's pretty good odds of avoiding a blunder!!!
Jul-18-06  Fezzik: Aragorn69~

Funny you should mention the blunders because the first thing I looked at was 23...Qf3?? I hoped to find a move akin to Frank Marshall's "move of the century" then gave up and decided to win a piece as in the game.

Jul-18-06
Premium Chessgames Member
  jahhaj: <kevin86> Not really because 23...Rxg2+ 24.Bxg2 Qg5? allows White to escape with 25.Nf3! Black is probably better after 25...Rxd1 26.Nxg5 Rxa1 27.Rxa1 hxg5 but that's all.
Jul-18-06  notyetagm: With 23 ... ♖xg2+! 24 ♗xg2 ♕g6 Black <EXCHANGES ON THE PINNING SQUARE>, the g2-square lined up with the White g1-king, exchanging the half <PINNED> White g2-pawn for a fully <PINNED> White g2-bishop.
Jul-18-06
Premium Chessgames Member
  YouRang: <jahhaj> <Black is probably better after 25...Rxd1 26.Nxg5 Rxa1 27.Rxa1 hxg5 but that's all.>

This line yields this position:


click for larger view

As I see it, Black is going into the endgame up by a piece and two pawns. In my view, I would upgrade Black's status from "probably better" to "clearly winning". :-)

Jul-18-06  notyetagm: <YouRang: ... As I see it, Black is going into the endgame up by a piece and two pawns. In my view, I would upgrade Black's status from "probably better" to "clearly winning". :-)>

An extra piece. Two bishops on an open board. An extra healthy pawn on each side of the board. This is definitely "clearly winning" or even better, "resignable". The outcome is already a foregone conclusion.

Jul-18-06
Premium Chessgames Member
  jahhaj: <YouRang, notyetagm> You seem to be playing the wrong line. In the line I gave (in response to kevin86) Black has played 23...Rxg2. That hasn't been played in the position you give.
Jul-18-06
Premium Chessgames Member
  YouRang: <jahhaj> Doh! My mistake, sorry -- I was following the line I found, not the one you were discussing. You see, I'm behind on my electric shock treatments...

So, in your REAL line, you get


click for larger view

And indeed, Black's position is marginally better, at best, and you were right all along. I am a waste of bandwidth today. :-(

Jul-18-06  aazqua: I liked qh4 with an easy win. It's hard to go wrong for black in this position.
Aug-06-06
Premium Chessgames Member
  patzer2: White's 23. Rxg2+ sets a third and decisive pin after 23...Bxg2 24. Qg6 . In the final position White must surrender the Queen to avoid 24...Qxg2 mate, due to the pin by the Bishop of the pawn a5 f2 and the pin by the Rook of the Knight on e2.
Nov-20-07  nimh: Rybka 2.4 mp, AMD X2 2.01GHz, 10 min per move, threshold 0.33.

Kachler 7 mistakes:
11.Bxh6 -0.91 (11.Nbd2 -0.54)
16.Qd1 -1.16 (16.Bb5 -0.36)
18.e5 -2.09 (18.Nc2 -1.14)
19.Nb5 -3.03 (19.Nb3 -2.14)
20.Nd2 -4.20 (20.Bg4 -2.68)
21.a4 -8.16 (21.Qc2+ -4.27)
23.Bh3 -14.74 (23.Qe2 -7.95)

Paulsen 2 mistakes:
15...c5 -0.36 (15...Rg8 -0.72)
23...Rxg2+ -11.36 (23...Nc4 -15.31)

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