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Laszlo Szabo vs Arthur Bisguier
Club Argentino (1955), Buenos Aires ARG, rd 10, Apr-??
Semi-Slav Defense: Chigorin Defense (D46)  ·  1-0

ANALYSIS [x]

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Given 21 times; par: 27 [what's this?]

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sac: 21.Bxh7+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Apr-08-04  iron maiden: Basic kingside attack theme here: put a pawn on g5 to get rid of the defending f6-knight.
Apr-08-04  Minor Piece Activity: I always watch for Bxh7+ when I can put a knight on either g5 or e5. They keep the king from retreating on f7.
Apr-08-04  notsodeepthought: What does white play after 20 ... Nh5?
Apr-08-04  wonderboymyth: isnt 23.g6 faster ;]
Apr-08-04
Premium Chessgames Member
  crafty: 20...♘h5 21. ♗e4 ♖e7 22. ♘c6 ♖b7 23. ♗f3 g6 24. ♗xh5   (eval 1.45; depth 13 ply; 1000M nodes)
Apr-08-04  JSYantiss: Hey, crafty! Can you analyze the position after 23. g6?
Apr-08-04
Premium Chessgames Member
  crafty: 23. g6 fxg6 24. ♘xg6 ♔f7 25. ♖d3 ♕c7 26. ♖f3+   (eval 1.97; depth 12 ply; 250M nodes)
Apr-08-04  rclb: 20 ... Ne8??
Nh5 is much better and I couldn't really find a win for white. Crafty's line is unspectacular but winning.
Apr-08-04  CapAnson: Yeah I also was counting on Nh5.. does that mean I'm better than Bisguier? I wish!
Apr-08-04  Bobsterman3000: So, Kasparov didn't invent that g-pawn push in the Semi-Slav after all. However, the tactic just looks different when he pushes the g-pawn before castling long, especially when he dares black to take it with the knight so that he can put the rook on g1...
Apr-08-04  euripides: I think 20...Nd7 is intersting when I don't think Bxh7 works. A possibile alternaive approach for White is 20 Qh3 g6 21 Qh4 Nd7 22 Rxd7 Bxd7 23 g5 with Ng4 to follow and an interesting attack.
Apr-08-04  myratingstinks: kingside castle ALWAYS opens up this type of attack in my opinion.
Apr-08-04
Premium Chessgames Member
  kevin86: It's an occupational hazard of short castling to have your protective knight chased away and your h-pawn removed in a sacrifice! It is best to keep your other pieces nearby and to try to attack yourself.

In this case,black's attack on the b-file is as effective as a woodpecker in a petrified forest-two of black's mjor pieces are there and only a passive rook and frightened knight protect the king.

Apr-08-04  scottnewhouse: Here is an interesting variation with 20...Nh5 21. Nxf7 Rbxf7 22. Bxh7+ Kh8 (22...Kxh7 23. g6+ will eventually win the rook and knight) 23. Qh3 when the knight will soon be history and whites attack on the kingside will eventually win out. Here is the rest of the continuation 23...g6 (23...Nf4 may hold out longer but black is lost anyway) 24. Bxg6 Rg7 25. Qxh5+ Kg8 26. Rg3 e5 27. Be4 Bf5 28. Bd5+ Be6 29. Rh3 and black is lost. I figured out the moves up to 23. Qh3 and then used a computer to help me analyze the rest of the variations. The reason for 21. Nxf7 is to eliminate the best defender of the g pawn which is of course the f pawn. I am sure I have missed something so if anyone else sees something let me know.
Apr-08-04  Hidden Skillz: 13.if u look Ne5 was the real killer here..
Apr-08-04  donkeylogic: gotta love those h7 bishop sacrifices (or hate them)
Apr-08-04  Bobsterman3000: Even without the bishop sacrifice on h7, Szabo could have also pushed the h-pawn with devastating effect since Bisguier's misplaced pieces were in no position to counter-attack on the opposite flank...
Apr-08-04  davedude: I'm not too familiar with this line, but it seems to me that black goes wrong as early as 10...Bb4+, trading off a developed piece for an undeveloped one. By the time white plays 13.Ne5, he already has a big advantage in space, a big lead in development, and his pieces are all aimed at the king's side, while black has what... a knight on f6.
Jan-21-05  GreenDayGuy: Hey crafty, what happens after 23... f6?
Jan-21-05
Premium Chessgames Member
  tpstar: I'll bet <crafty> says 24. g6 and the mate threat wins both Rooks.
Jan-21-05
Premium Chessgames Member
  beatgiant: <GreenDayGuy><Hey crafty, what happens after 23...f6?> I'm not crafty, but 23...f6 24. g6 (threatens 25. Qh7#) forces 24...R8f7. I'm not sure what's the fastest win after that, but 25. Rh4 Kf8 26. Rh8+ Ke7 27. gxf7 looks fast enough for a human player.
Aug-12-05  supertimchan: Checking the database, 10..Bb4+ 11.Bd2 Qa5! is stronger. This move forces queen exchange which will avoid the king side attack in this game.
Aug-12-05
Premium Chessgames Member
  crafty: 23...f6 24. ♖h4 fxe5 25. g6 ♖xf2 26. ♖h8#   (eval Mat03; depth 6 ply; 5M nodes)
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