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| Oct-06-09 | | eaglewing: <al wazir: 29. Bd4 ... (only) a trap. After 29...Rd8 white is the one with problems.> My point of view differs. 29. Bd4 is playable due to the trap and
29. Bd4 is desireable due to access to the squares c5 + b6 for the bishop supporting the queenside pawn advance. Certainly there are better moves than 29...e5 but your 29...Rd8 looks like an inferior one: 30 Bb6 R8d7? 31 Qb8+, so the rook has to move again on the 8th row. I think I would prefer 29...Qd7 30. Bc5/b6 e5 and Rc8 might move next. |
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| Oct-06-09 | | patzer2: For today's Tuesday puzzle solution, Sofia Polgar's amusing 30. Qf5! double attack turnabout treats us to the final position from one of her early round victories from her famous "Sack of Rome" tournament (http://www.sofiapolgar.com/Rome.aspx).
As a 14-year-old, Sofia achieved an amazing 2900 performance rating in this tournament with a score of 8.5 out of 9 -- one of the strongest ever recorded for such a young player. The amusing finish here comes after Sofia sets a trap with 29. Bd4, allowing the pawn fork double attack blunder 29...e5?? After 30. Qf5!, Sofia's Queen fork of Black's two loose rooks trumps the preceeding weaker pawn fork of her Queen and Bishop. Black, clearly outplayed and faced with the loss of the exchange, resigns. |
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| Oct-06-09 | | randomsac: How about a simple fork of the two rooks? |
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| Oct-06-09 | | johnlspouge: Tuesday (Easy)
Zsofia Polgar vs A Rabczewsky, 1989 (30.?) White to play and win.
Material: Even, with Bs of opposite color in a midgame. The Black Kh8 has 1 legal move and is vulnerable to back-rank mate. The Black Rs are both loose. The White Kg1 is vulnerable to back-rank mate and the check 30.Rd1+. Candidates (30.): Qf5
30.Qf5 (forking Rc8 and Rd3)
Black gets Bd4, but White captures a R, winning the exchange. |
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| Oct-06-09 | | goodevans: That would have been too easy even for Monday. I ended up wasting a couple of minutes looking for the catch only to find there wasn't one! |
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| Oct-06-09 | | JG27Pyth: Am I the only one who experienced several panicked moments of: "But there's no Queen sac here?? After I let the pawn take my Queen I'm busted... what am I missing?" |
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| Oct-06-09 | | JeffCaruso: <NBZ: Bd4 may seem like nothing more than a trap, but it does achieve something by moving the bishop to the active c5 square.> Indeed, 29. Bd4 prevents Black from doubling rooks. If 29 ... Rd8 then 30. Bb6 would force the R to move off the d-file. |
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Oct-06-09
 | | chrisowen: Dolt! quite funny isnt it. A.Rab must've thought e5 was the nuts then the roaming queen stretches blacks pants off. |
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| Oct-06-09 | | Patriot: 30.Qf5 -- a simple fork wins the exchange.
Unless I'm missing a key move, if white decides to counter-attack with 30.Bc5? Qxc5? seems to win a piece but can be countered with 31.Qf5 and white still wins the exchange. I believe the correct move after 30.Bc5? is simply 30...exf4 31.Bxe7. 29...e5? is another "hope chess" move, failing to consider white's strongest reply. |
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| Oct-06-09 | | Hoozits: JG27Pyth, I had similar struggles. Qf5 is quite unpretentious, something uncharacteristic of a Tuesday puzzle. Your panic is likely shared by many, including myself. Take comfort. |
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| Oct-06-09 | | DarthStapler: Got it |
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Oct-06-09
 | | doubledrooks: White sticks a fork in black's position with 30. Qf5, winning the exchange. |
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| Oct-06-09 | | antharis: Ok. It took only a few seconds. There is a pawn fork on e5 between the white bishop and the queen. White can’t give a check, so at least the bishop is lost. The black rooks on c8 and d3 are hanging. So, after 30. Qf5 black loses one rook because they can’t protect each other in one move and there is no king attack available for black. After 30… Rxd4 31. Qxc8+ Rd8 32. Qg4 white has a winning position. Nice little Tuesday puzzle. Don’t know why, but I found the yesterdays harder ;-) |
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| Oct-06-09 | | Marmot PFL: Very easy. Black really thought Polgar overlooked 29...e5? |
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| Oct-06-09 | | VincentL: Often on Mondays and Tuesdays I see the solution instantly, but with this one I had to look for two or three minutes before seeing Qf5. OTB I might well have missed it. I think that these "diagonal forks" are perhaps easily overlooked - there is a game somewhere in the CG database where Karpov failed to see such a fork, and had to resign immediately. |
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| Oct-06-09 | | kevin86: Shame on you black for forking mu queen and knight-I have bigger fish to fry-a fork of rook and rook. |
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| Oct-06-09 | | Samagonka: This was not easy. |
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| Oct-06-09 | | JaneEyre: <I think that these "diagonal forks" are perhaps easily overlooked - there is a game somewhere in the CG database where Karpov failed to see such a fork, and had to resign immediately.> Christiansen vs Karpov, 1993 |
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| Oct-06-09 | | TheChessGuy: Took me awhile. I saw Qf5!, but didn't realize that it forked Black's rooks right away. It's odd to overlook things like that, as Rabczewsky found out when he/she played 29...e5? Unusual for such a quiet move to solve a Tuesday puzzle. |
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| Oct-06-09 | | antharis: Btw 29. Bd4 looks like white want to lure black into that trap as <al wazir> pointed out below. Taking into account black wouldnt make any mistakes, 29. Bd4 is not the best move for white I suppose. So 30. Qf5 dont deserve a "!" but 29... e5 an "?". ^^ After 29. Bd4 Qe8 black has some nice options and now its white that has to move the bishop, because the pawn fork will work now and black has always the option to play the queen to the active g6 square to threaten a mate on g2... |
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| Oct-06-09 | | ZUGZWANG67: White has a nice fork at f5 but the WB is en prise. The problem is that I can' t find a way to save the B and preserve the pin, as 30.Bc5 Qf7 31.Qf5 Rcd8 is nothing. The presence of a white piece at d4 thus garantees the success of the fork. 30.Qf5 Rxd4 31.Qxc8+ Qe8 wins the exchange.
Time to check (GULP)!
----
That was it. |
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| Oct-06-09 | | AnalyzeThis: 29....e5 was terrible. It forces white to make a winning move. |
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| Oct-06-09 | | YouRang: Yes, 30.Qf5 is the only sensible move.
But that didn't stop me from spending a couple minutes looking at some silly moves. |
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Oct-06-09
 | | al wazir: <eaglewing: . . . Certainly there are better moves than 29...e5 but your 29...Rd8 looks like an inferior one: 30 Bb6 R8d7? 31 Qb8+, so the rook has to move again on the 8th row. I think I would prefer 29...Qd7 30. Bc5/b6 e5 and Rc8 might move next.> <JeffCaruso: If 29 ... Rd8 then 30. Bb6 would force the R to move off the d-file.> I agree. 29...Qd7, followed by 30...e5, is better. With that correction, I stand by my comment. 29. Bd4 looks like a move intended solely to sucker black into making a blunder. It may have won, but it's not a winning move against any but suckers. |
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| Oct-06-09 | | newton296: i thought, and thought, and thought, and thought, but notta, zip, zilch . looked and solution and wow ! Qf5 fork , so easy why didn't I see it. I spent an hour looking at this too ! |
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