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Jan-28-06
 | | tpstar: <independentthinker> You are doing great solving the puzzle. =) Sometimes you can understand the solution better by refuting specific variations: 1) What about 28 ... Bxf3 29. gxf3 Rc7 instead?
2) What about 28 ... Bc6 instead? |
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| Jan-28-06 | | Averageguy: <Dick Brain> Cool, I got an A+ then! |
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Jan-28-06
 | | kevin86: A very good problem. The puzzles seem like parts of an examination,according to the day of the week. Monday:true/false
Tue,Wed:short answers
Thurs,Fri:long answers
Sat:essay
Sun:special credit.
Today is a perfect essay day. |
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| Jan-28-06 | | diction: I didn´t get this one |
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Jan-28-06
 | | PhilFeeley: <Black resigns because of the threat of Rd7, and the sheer pressure on e7, also winning a tempi by attacking the bishop on b7.>
I saw 22. Bxf7, but I don't understand the end. It's black's move so 27...Rc7 seems right. If 28. Bg5+ then 28....Kf7 and everything is protected. Is there a mate threat or a knight fork I've missed? |
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Jan-28-06
| | PhilFeeley: I suppose if 28...Kf7 then 29. Ne5+ and the g-pawn falls. 2 pawns down against Petrosian seems losing. |
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| Jan-28-06 | | LIFE Master AJ: An excellent combination by Petrosian.
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Jan-30-06
 | | patzer2: Petrosian wins using a demolition of pawn structure combination starting with the sham sacrifice 22. Bxf7!! |
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| Feb-02-06 | | LIFE Master AJ: <patzer2>
Did you analyze this sac? (very interesting)
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| Feb-02-06 | | RookFile: This shows how strong Petrosian was at tactics. Once, Petrosian was the world's strongest blitz player, and and effortlessly find tactical shots in all his blitz games. During regular tournament play, Petrosian chose to use his tactical gifts for defensive purposes. |
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Feb-10-06
| | patzer2: <LIFE Master AJ> I had not done a deep look at this game. However, your interest led me to do an analysis with Fritz 8 and the ChessGames.com Opening Explorer: <1. c4 Nf6 2. Nc3 e6 3. d4 Bb4> This enters the Nimzo-Indian, which seems to be in the repertoire of most World Champions and super GMs at one time or another.
<4. e3 c5> The more popular option, which can easily transpose, is 4...0-0 as
in A Iljushin vs Aronian, 2005. <5. Bd3 d5 6. Nf3 O-O
7. O-O dxc4 8. Bxc4 Nc6> A popular alternative is 8...Nbd7 as in Lautier vs Carlsen, 2005. <9. Bd3> A much more frequently
played alternative has been 9. a3 as in
Yusupov vs E Lobron, 2003 and Potkin vs G Tunik, 2005.
<9...cxd4 10. exd4 Be7 11. Re1 b6> Perhaps worthy of consideration is 11...a3 transposing to Polugaevsky vs Portisch, 1969 or
Spassky vs Korchnoi, 1962. <12. a3 Bb7 13. Bc2>
If the 18 games in the Opening Explorer with this move are any indicator, then this position
clearly favors White who won 9, drew 8 and lost only one game in this chessgames
.com database sample. <13...Rc8 14. Qd3 Re8?!> This appears to give White the advantage with his next strong move. Perhaps a better alternative here is Fritz 8's suggestion 14... g6 !? 15. Bh6
Re8 16. Rad1 Nd5 =
as in M Magomedov vs A Yegiazarian, 1996. <15. d5!>
Now White has a clear and strong advantage. Of the five games in the Opening Explorer
with this move, White won four including this game and D Sermek vs V Bukal, 2001 and K Spraggett vs L Day, 1981 and
S Garcia-Martinez vs A Pomar-Salamanca, 1975, while drawing
one (where White may have missed a win) in Portisch vs Karpov, 1975. |
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Feb-10-06
| | patzer2: <15...exd5 16.
Bg5 Ne4> No better for Black is 16... g6!? 17. Rxe7 Qxe7 18. Nxd5
Nxd5 19. Bxe7 Ncxe7 20. Ba4 Red8 21. Qe4 Rc7 22. Rd1 Rdc8 23. Qe1 Bc6 24. Bxc6
Rxc6 25. Nd4 Rd6 26. Kf1 Rcd8 27. h4 R8d7 28. Rd2 a6 29. b4 Nc6 30. Nxc6 Ne3+
31. Qxe3 Rxd2 32. Qxb6 Rd1+ 33. Ke2 R1d2+ 34. Kf3 R7d3+ 35. Kg4 h5+ 36. Kf4
Rxa3 37. Ne5 Raa2 38. f3 Rd5 39. Nxg6 Re2 40. Qxa6  . <17. Nxe4 dxe4 18. Qxe4
g6 19. Qh4 Qc7> Perhaps Black can survive with 19...h5!? as in Portisch vs Karpov, 1975, but I personally wouldn't bet the farm on Black's chances. <20. Bb3!>
Fritz 8 indicates White now has a winning position. <20...h5> This appears to be at least one move too late. Trying to simplify with
20... Bxg5 21. Nxg5 h5 22. Bxf7+ is not enough to save Black's game. <21. Qe4 Kg7 22. Bxf7!! Kxf7 23. Bh6! Qd6 24. Qc4+ Kf6 25. Rad1!?>
This wins slowly. Much stronger is 25. Ng5!! Nd8 26. Qh4 Ne6 27. Rxe6+ Qxe6
28. Nxe6+ Kxe6 29. Re1+ Kd7 30. Qh3+ Kc7 31. Bf4+ Bd6 32. Bxd6+ Kxd6 33. Qg3+
Kd7 34. Rd1+ Ke7 35. Qe5+ Kf8 36. Qh8+ Ke7 37. Qh7+ Kf6 38. Qxb7 . <25...Nd4 26. Qxd4+ Qxd4 27. Rxd4 Rc5> After 27... Kf7 28. Rd7 Bxf3 29. gxf3 Rc6 30. Rxa7 , White should be able to grind out an endgame win. <28. h4 1-0> Black resigned. However, per Fritz 8, play might have continued 28... xf3
29. gxf3  f7 30.  d7 c6 31. xa7 with White winning. |
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| Feb-12-06 | | LIFE Master AJ: <patzer2> EXCELLENT work!!!!! I did not have time to go over the whole line, I did pull up the game on ChessBase and follow your annotations at the end. I have made a note to come back and look at this later. (I don't even feel like I need to make a web page for this game, your notes cover almost all of the pertinent points that I could see.) Outstanding! |
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Feb-13-06
| | patzer2: <LIFE MASTER AJ> Thanks! I'm glad you found it useful. btw I sent the email you requested. |
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Dec-01-07
 | | refutor: what tournament in 1974 was this game played? i thought it was the championship in Leningrad but Petrosian did not take part in the tournament...was it an off-hand game? |
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| Dec-02-07 | | nescio: <refutor: what tournament in 1974 was this game played? i thought it was the championship in Leningrad but Petrosian did not take part in the tournament...was it an off-hand game?> A team competiton game?
[Event "Moscow tt"]
[Site ""]
[Date "1974.??.??"]
[Round "?"]
[White "Petrosian, Tigran Vartanovich"]
[Black "Balashov, Yury Sergeevich"]
[Result "1-0"]
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| Dec-03-07 | | Resignation Trap: <refutor>, <nescio> This was played in the Moscow Spartakiad (which is a team tournament) sometime during April 1974. |
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| Mar-17-09 | | Katu: The middlegame looks like some Queen's Gambit ones, am I right? |
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Mar-17-09
 | | parisattack: A workman-like performance by Petrosian. If white can get in d5 in such positions (Nimzo Indian, QGA) its pretty much all over. The results are usually more immediate - this, typically Petrosian. Awesome. |
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| Mar-17-09 | | AnalyzeThis: The way that Balashov played the opening caused him to arrive at a well known Queen's gambit accepted position, an extra tempo down. In those QGA lines black has to watch out for d5 anyway - here it was doubly strong. |
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| Nov-07-09 | | Tubba324: This middle-game position (sometimes with a tempo up, sometimes a tempo down) can also appear after a Caro-Kann, Panov Attack (B14), a Queen's Gambit Accepted (D26-D28), a Semi-Tarrasch (D41-D42) and obviously this Nimzoindian, Rubinstein Variation (E54-E56). Very tricky for black, in any case. |
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| Nov-07-09 | | Tubba324: In <Silvino Garcia-Arturo Pomar, 1975> it was played 23...Bd6? 24.Ng5+ Kf6 25.Nh7+ 1-0 |
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| Jul-02-10 | | PizzatheHut: Great game from Petrosian. I'm going to have to go over this one in depth later. |
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| Mar-01-11 | | Salaskan: Nice textbook IQP attacking scheme example. The sequence 15.d5! exd5 16.Bg5! g6? 17.Rxd7! Qxd7 18.Nxd5 should be second nature to any 1.d4 player. |
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Mar-01-11
 | | perfidious: <Salaskan> Another superb effort on these lines, though White missed it at his first opportunity, was a game Smyslov-Karpov, USSR ch 1970. |
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