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Nov-24-10 | | Albertan: Mariano yes up here in Canada we celebrate our Thanksgiving in October, don't ask me why. Statistics assignments? How fun :) I took a senior level statistics course in University myself. Wow did I have to memorize alot of formulas for the exams LOL! Our professor wouldn't allow us a formula table or any other tables in our exams. You think your university would have created something on a computer to help you with this sort of task? It certainly wouldn't be difficult to test them online or at a computer station...all of them at once would it? |
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Nov-24-10 | | Albertan: < Fusilli: I've been enjoying going over a number of Najdorf-Reshevsky Nimzoindian games.> I have the two playing 21 games in the Nimzo-Indian defense in their careers in Chessbase Megadatabase 2010. When Najdorf had white (14 of these games) he scored 3 wins, lost 3 games and drew 8 games. When Reshevsky had white (7 games) ,he scored 2 wins, 4 draws and one loss. |
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Nov-24-10
 | | Fusilli: <Albertan> I guess all of them are in the cg.com database, where there are 23 Nimzoindian games between the two of them, with Reshevsky winning a total of six and Najdorf a total of four. You are not missing a Reshevsky win because that seems to be a duplicated game, a typical problem with the cg.com database. I will check and submit a correction slip if appropriate. I like their games because they represent a clash of styles (strategic Reshevsky v. tactical Najdorf, to put it crudely) and the Nimzo is an opening that I don't mind playing with either color--they obviously didn't either. |
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Nov-25-10 | | hms123: <Mariano> A puzzle for you: Black to play and draw click for larger view |
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Nov-25-10
 | | Fusilli: <H> What I see is 1...Kxh1 2.fxg8=Q Kg1! 3.Qd5 h1=Q+ 4.Qxh1+ Kxh1 5.g8=Q d1=Q 6.Qa8+ Kg1 7.Qa7+ Kf1 8.Qa6+ Ke1= 2...d1=Q? loses to 3.Qa8+ Kg1 4.g8=Q+
1...Rxg7? loses to 2.f8=Q Kxh1 3.Qf1+ Rg1 4.Qf3+ Rg2 5.Kh3 ..right? |
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Nov-25-10 | | hms123: <Mariano> Good find. <1...Kxh1> is the only drawing move. The others all lead to quick mates. |
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Nov-25-10
 | | Fusilli: <H> Is it from an actual game? |
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Nov-26-10 | | hms123: <M> That didn't take long. [Event "Chigorin Mem Classic Open"]
[Site "St Petersburg RUS"]
[Date "2010.10.31"]
[Round "4"]
[White "Nuretdinov, I."]
[Black "Popelyshev, I."]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2242"]
[BlackElo "2047"]
[PlyCount "102"]
[EventDate "2010.10.28"]
1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Nbd7 6. e3 c6 7. Bd3 Be7 8.
Qc2 O-O 9. Nge2 Re8 10. Bxf6 Nxf6 11. h3 g6 12. g4 Bd6 13. O-O-O b5 14. Kb1 a5
15. Nf4 b4 16. Na4 Bxf4 17. exf4 Ba6 18. Bxa6 Rxa6 19. Rhe1 Ne4 20. Nc5 Nxc5
21. Qxc5 Qd7 22. Re5 f6 23. Rxe8+ Qxe8 24. Qd6 Kf7 25. Rc1 Qe7 26. Qxe7+ Kxe7
27. Kc2 a4 28. Kd3 a3 29. b3 Kd7 30. h4 Ra8 31. f3 Re8 32. Rh1 h5 33. Rg1 Ke6
34. Kd2 Rh8 35. Re1+ Kd7 36. Rh1 Kd6 37. Kd3 c5 38. dxc5+ Kxc5 39. f5 gxf5 40.
g5 fxg5 41. hxg5 h4 42. Ke3 d4+ 43. Kf4 h3 44. Kxf5 d3 45. f4 d2 46. g6 Kd4 47.
Kg5 Ke4 48. f5 h2 49. g7 Rg8 50. f6 Kf3 51. Kh4 Kg2 1-0 |
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Nov-26-10 | | hms123: <M> the position would have occurred if White had played <52.f7?>. |
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Nov-28-10 | | hms123: <M> Here's another position in which you will have no trouble finding the winning move. :-) click for larger view(White to play) |
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Nov-29-10
 | | Fusilli: <H> Well, what I see is 1.f5 and White seems to have a crushing attack. If 1...gxf5 2.Qxh5 Kg7 (what else?) 3.Rg1 and Black is cooked. If 1...Nc5 2.fxg6 fxg6 3.Rf1+ followed by 4.Bg5, or 3.Bg5 first... they both look crushing. To be safer, white could play 3.d4 first, so as to kick out the Knight all the way back to b7--who knows, maybe later there will be an e5 threatening the N with the B on g2. Is it more complicated than this? |
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Nov-30-10 | | hms123: <M> No, it is not more complicated. I just thought you would enjoy a chance to play <f5> after being so "reluctant" to do so the other day at my place. :-) |
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Dec-01-10 | | hms123: <M> Good defensive puzzle at my place. I am going with <....Bc6>. |
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Dec-01-10
 | | Fusilli: <H> Indeed!
 click for larger view25...Bc6! saves the day for Black, who maybe thought White had 26.Qd8+ winning... which would be the case if Black didn't have 26...Be8 and the Queen is now defending the -a8- rook. Strange omission at that level, but it happens. Black played 25...h6 and collapsed:
Furman vs Levenfish, 1948 |
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Dec-02-10 | | Albertan: Wow Mariano,thanks for telling me about the Furman-Averback game,there sure were a lot of fireworks in that game! If I counted correctly both players combined for 10 offered sacrifices of pawns or pieces in that game! And to think that Misha Tal was not one playing in this game either! It would be interesting to know if Tal heard about this game after it was played.According to my database, Tal's first recorded game was in 1949. David Bronstein finished first in this championship and Taimanov finished in last place! |
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Dec-02-10
 | | Fusilli: <and Taimanov finished in last place!> lol, patzer Taimanov! I knew you'd like that game. :-) |
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Dec-04-10 | | Albertan: Mariano, are you aware of this Nimzo-Indian game? Kasparov vs Short, 1999 This game was analyzed in depth by GM Igor Stohl in his book "Instructive Modern Chess Masterpieces" (new enlarged edition published in 2009). Stohl indicates Short could have won this Nimzo-Indian defense opening game if he had played 30...Bc6 instead of 30...Qg7? Stohl assigned Kasparov's 30th move in this game (30.hxg6) a ?!. |
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Dec-05-10
 | | Fusilli: Hi <Wayne>, I had seen that one long ago and had forgotten about it. True about 30...Bc6, but I suspect Short was exhausted by then. A difficult game to play with the Black pieces. |
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Dec-06-10 | | hms123: <Mariano>
<Puzzle Alert>
 click for larger viewWhite to play and draw. |
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Dec-06-10
 | | Fusilli: <hms> Too hard! I always found dealing with two contiguous knights too mind-boggling. I give up! |
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Dec-06-10 | | crawfb5: <H> I'm thinking 1. Ng3+ hxg3 2. Nf3 followed by Kxc4 at some point, but it's at the end of a long day, so I doubt I can work it all out to the end. I might not even be on the right track. |
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Dec-07-10 | | hms123: <Mariano> <crawfb5> Not even the engines get this one.
1.Kc6 g1Q (1...Kg5 2.Nf3+) 2.Nxh4 Qh1+ 3. Nhf3
 click for larger viewIt is from Suba's book <Dynamic Chess Strategy>. |
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Dec-07-10 | | dakgootje: < crawfb5: <H> I'm thinking 1. Ng3+ hxg3 2. Nf3 followed by Kxc4 at some point> I started on the same track but I think it does not work. It seemed that black could march its h-pawn to victory without much of a fuzz. The real solution is much, much too brilliant for me. |
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Dec-07-10
 | | Fusilli: <H> Wow, letting Black promote was not something that crossed my mind. And the line that <C> and <dak> looked at, I had concluded that Black would run faster to promotion. Is it from a real game?? |
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Dec-07-10 | | hms123: <M> I don't think it is from a real game. Suba uses it to illustrate the importance of human intuition over the machine. |
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