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Jose Gonzalez Garcia vs Gustavo Mahia
Torneo Continental Americano (2003), Buenos Aires ARG, rd 7, Aug-25
Sicilian Defense: Kan. Knight Variation (B43)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
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Aug-09-05  Drifter: hmmm, hardly a puzzle really. im only a 1600 player and i found it straight away. reckon i would easily find it in an OTB lighting game immediately also.
Aug-09-05  Nick816: This wasn't much of a challenge because Rg8+ was pretty easy to see if you know the knight fork pattern..
Aug-09-05  zb2cr: Surprisingly easy puzzle for a Tuesday. Oddly, I saw it within seconds...usually, I have to think longer on Tuesday.

On Mondays and Tuesdays, I feel like an intelligent chess player.

By Fridays, reality has set in. :(

Aug-09-05  YouRang: Pretty easy since there weren't many choices. Normally, winning a pawn wouldn't be the solution to a "play and win" puzzle, but in this case, its capture creates two passed pawns. Black can't stop them and protect his other pawns at the same time.
Aug-09-05  alexandrovm: 47. Rg8 seems preaty. If black takes, white grabs a pawn with a nice fork with 48. Nxf6+. If black doesn't take, the only possible move would be Kh6. But then, white can break with g4-g5. Yeah, it seems a nice blow, Rg8, for white
Aug-09-05  gprice: 47.... Kh6 48. Rg6+ Kh7 49.Nf6+ Kh8 50.Rg8#
Aug-09-05
Premium Chessgames Member
  kevin86: Another easy one:white lends black his rook only to regain it with a pawn intrest-not Jaws rates-but will do...
Aug-09-05  GoldenKnight: Got this one immediately. A point from one of my endgame books: "Pawn and Knight endings are Pawn endings." So, unless you have some special position, the pawn up, two passed and connected with King at hand, wins.
Aug-09-05  sharpnova: <alexandrovm> why would white play a stupid pawn move like that? Rg6+ wins the rook for completely free.
Aug-09-05  YouRang: <sharpnova: <alexandrovm> why would white play a stupid pawn move like that? Rg6+ wins the rook for completely free.> True. Or better yet, as gprice pointed out, black gets mated.
Aug-09-05
Premium Chessgames Member
  BishopofBlunder: I had a really bad week in chess last week. I kept getting crushed by a patzer personality in Chessmaster. It doesn't look like this week is going to be any better. I have missed both Monday's and Tuesday's puzzle. I am beginning to feel like Wile E. Coyote, standing on a precipice overlooking a deep chasm and hearing the rock holding the ledge I'm on start to break away...
Aug-09-05
Premium Chessgames Member
  Gypsy: <GoldenKnight: ... A point from one of my endgame books: "Pawn and Knight endings are Pawn endings."> Botvinnik is credited as being the original source of this one.
Aug-09-05  morphy234: i got this one, easy!! woo hoo
Aug-09-05  GoldenKnight: Thanks <Gypsy>! I think I may remember my source making that point. Anyway I'll run across it again sometime, then I'll know for sure.
Aug-09-05  Shokwave: Easy 'n quick. Win a pawn, create two connected passers, collect the win.
Aug-09-05
Premium Chessgames Member
  Gypsy: <GoldenKnight> You are welcome. Botvinnik theorem is actually very useful. It is rare for something this succint, and this general, to be so helpful.
Aug-09-05  sharpnova: i had this problem solved 3 nanoseconds after the big bang.
Aug-09-05  Rama: There's nothing wrong with 47 Nc5 Re7, 48 Ne6+ Kh6, (... Kh7?, Nf8+ winning rook) 49 Rg8 ... threatening Rg6 mate, forcing 48 ... Rxe6, 49 fxe6 with a won ending.
Aug-09-05  notyetagm: The White e4-knight has a <forking square> on f6, from which it attacks the undefended, more valuable Black d7-rook. The Black king on g7 is the only Black piece which defends this forking square. The Black king, therefore, cannot also defend the <target square> g8 of the f6-forking square, since that would <overwork> him. So the g8-square is undefended and White takes it with his rook by playing 47 ♖g8+!.

Now Black has a problem. If he takes the White rook there follows 47 ... ♔xg8 48 ♘xf6+ ♔g7 49 ♘xd7 and White has won the critical Black f6-pawn, leaving him with connected passed f- and g- pawns in a knight ending, an easy win. If he does not take the White g8-rook, then he is mated:

47 ... ♔h7 48 ♘f6+ ♔h6 49 ♖g6#, an <Arabian mate> on the edge of the board (Nf6-Rg6-Kh6)

47 ... ♔h6 48 ♖g6+ ♔h7 49 ♘f6+ ♔h8 50 ♖g8#, an <Arabian mate> in the corner (Nf6-Rg8/h7-Kh8)

Aug-09-05  YouRang: <Rama: There's nothing wrong with 47 Nc5 Re7, 48 Ne6+ Kh6, (... Kh7?, Nf8+ winning rook) 49 Rg8 ... threatening Rg6 mate, forcing 48 ... Rxe6, 49 fxe6 with a won ending. > What if 47. Nc5 is answered by 47... Nd6?
Aug-09-05  alexandrovm: <sharpnova:<alexandrovm> why would white play a stupid pawn move like that?> true :) But you don't need to be so rude. <gprice> Thanks :)
Aug-09-05
Premium Chessgames Member
  kevin86: Welcome-Nick816-I notice this was your first post.
Aug-10-05
Premium Chessgames Member
  cu8sfan: <prinsallan> Sorry but shortly after my post yesterday I didn't have time to check in again. Maybe we should play out the setup on another site. I actually think that White will win but that it's not as easy as you made it seem.
Aug-10-05  prinsallan: <cu8sfan>I never said it would be easy actually... I just stated that stopping two connected passed pawns with no advantage in other material is very difficult. Since we appear to agree anyway I feel the matter is settled. At least more or less :P
Aug-12-05  patzer2: White's 47. Rg8+! sets up a knight fork to simplify to a won endgame.

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