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| Jun-05-09 | | gofer: While we are commenting on the marvelous word/phrases used in chess, which German speaking player started the trend for "zwischenzug" and "zugswang"? Or does anyone know the which French speaking player that first introduced the rule "En Passant"? Any ideas? |
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| Jun-05-09 | | lippizan: Does Black still have a chance after 38...Ng6? |
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| Jun-05-09 | | tivrfoa: yeah! it's not so difficult when you realize that all black pieces become pinned. |
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| Jun-05-09 | | Patriot: <mindmaster: Missed it! Was calculating the Rf1 variation and Black seemed to have too many possible moves... Atleast now I realized the power of a PIN....> I never considered 36.Rf1, but it does carry a threat of either 37.Rxf8+ or 37.Qxf8+ next. So I tried to find the simplest reply and saw that 36...Qe7 37.Rxf8+ Qxf8 38.Qxc7 loses a piece but draws 38...Qf1+ 39.Rg1 Qf3+ =. So what about 36...Rf7? Black seems to be off the hook after this. |
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| Jun-05-09 | | Patriot: <lippizan: Does Black still have a chance after 38...Ng6?> Interesting try but still a technical loss. I think I would play 39.Qg3 Kh7 40.h4 Kh6 41.Qg5+ Kh7 42.h5  . |
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| Jun-05-09 | | gofer: I too looked at 36 Rf1 and saw that after 36 ... Rf7 37 Rxg7+ caused problems if black took back with either 37 ... Qxg7 or 37 ... Rxg7, but the problem is that 37 ... Kxg7 is now winning for black, so really 36 Rf1 is flawed... |
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| Jun-05-09 | | kevin86: Qb8 sets up a tar baby situation;any liberating move attempt only sets up another lethal pin-or a blockade situation where a rook would be preferred as a capturing tool,but is blocked by the queen. |
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| Jun-05-09 | | YouRang: I have nothing to add to the analysis already provided by other people who also missed it. :-| |
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Jun-05-09
 | | benveniste: To my mind, the great play took place at move 35. ♕d8! sets a no-cost trap with the pawn at e5 as bait. If Black replies ♖d7, it's a draw. But if he takes the pawn... |
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| Jun-05-09 | | lzromeu: The "Queen-fork-week" strikes again |
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| Jun-05-09 | | WhiteRook48: I missed it went for 36 Qxc7 |
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| Jun-05-09 | | Patriot: <WhiteRook48: I missed it went for 36 Qxc7> Whoa! I don't see anything good for white after that move! For example: 36.Qxc7 Qxc7 37.Rxg7+ Qxg7 38.Rxg7+ Kxg7 and black has a whole piece while white has no compensation. A simple plan would be to bring the king toward the center pawn and run white out of moves using the knight on the kingside via Nh7-f8 or f6. Eventually white has to give ground to the king and allow the d5-pawn to be pushed all the way down by zugzwang. |
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Jun-05-09
 | | Jimfromprovidence: <MAJ> <Instead of playing the losing <35...Qxe5>, black could have drawn. Find the drawing move. The difficult portion is finding the best white's reply in move 36.> How about 35…Rd7!
click for larger viewWhite’s best reply might be 36 Qxd7. Now, there is 36…Nxd7
37 Rxg7+ Kh8 38 Rxd7 Qf3+ 39 Rg2 Qf1+, etc.
click for larger view |
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| Jun-05-09 | | Eduardo Leon: The first move...
36. Qb8!
... is not particularly deep. But it's not particularly aggressive-looking either, which makes it difficult to find. After this, black can't avoid 37. Rxg7+, because the queen rook is pinned and it would take black two tempi to unpin it while defending the bishop. Black continued...
36. ... Qe7 37. Rxg7+ Qxg7 38. Qxc7
The final coup-de-grâce. An exchange plus is slightly better than having a queen vs a rook and a knight. |
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| Jun-05-09 | | beenthere240: <lippizan> After 38...Ng6, white simply plays 39. Qxg7+ and is up the exchange with a passed rook pawn. |
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Jun-05-09
 | | Domdaniel: <gofer> I can't actually back this up with documentary proof, but it seems logical. <En passant> is an actual rule of chess, unlike <zwischenzug> and <zugzwang> (and <zeitnot>) which are situations that may arise, or theoretical descriptions of move types. Historically, chess dominance moved around between different European countries between the 16th and 19th centuries. The early phase, of Spanish and Italian dominance, gives us basic opening names like Ruy Lopez (= Spanish) and Giuoco Piano (= Italian). Then came the 18th century, and a succession of great French players from Philidor onwards. I assume this was when 'en passant' became a standard term -- French was also the international language at the time, which probably helped. Finally, the era of German or German-speaking players (Anderssen, Steinitz, Lasker, Tarrasch, etc) was the period when Zwischenzug and Zugzwang were standardized. In the 20th century, the Russian <tabia> -- for a regular opening sequence leading to a 'start position' -- became widespread. |
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| Jun-05-09 | | gofer: Many Thanks for your insights, <Domdaniel> |
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| Jun-05-09 | | beenthere240: Is 35. Qd8 the best move (since, as has been shown, it can lead to a draw if the pawn isn't taken and black plays ...Rd7)? Does 35. e6 work? |
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| Jun-05-09 | | ViniCae: Can somebody please explain me why black plays 32. ...Qxf4? He just gives away his rook. |
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| Jun-05-09 | | JG27Pyth: Got this one after some struggle. I tried just plugging in moves and got nowhere. So I looked at the pins and tried, systematically, to exploit each pin... and came up empty, but noticed that if after Rxg7 Black retook incorrectly with Qxg7. White could take the Black rook with impunity because of the cross pin on the queen. I tried for a moment to compel Qxg7 then I saw that I could add yet another pin to the position with Qb8, and voila, it came together. |
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Jun-05-09
 | | Eggman: <<lippizan: Does Black still have a chance after 38...Ng6?>> The simplest way would be 39.Qxg7+ Kxg7 40.Rxg6+ Kxg6 41.Kg2 Kf5 42.Kf3 and the outside passed pawn decides in White's favour. |
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| Jun-05-09 | | DarthStapler: I got the first two moves, also this is my 1000th comment. |
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Jun-05-09
| | Jimfromprovidence: White had a really great move that he overlooked earlier in the match, namely 27 Bxf5!
click for larger view Should black recapture?
If black plays 27...exf5, white has the "forking" move 28 e6. 27...Rxf5 is much worse because of 28 Qxh6, threatening Reg2. If 27... Nf8 then 28 Rc2 below, protects the d pawn.
click for larger view |
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| Jun-05-09 | | remolino: Hmm, missed it altogehter, though I realized neither white rook had a useful move. I did not immediately find a good move for the queen and started looking at h4... what a disaster. The point is that blacks pieces are overloaded, but the answer is quite original. Nice puzzle. |
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| Jun-05-09 | | cracknik: Pretty easy friday puzzle. Queen to b8 was the only move I could find. |
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Kibitzing
sac: 31.Nxe6