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| Apr-07-15 | | agb2002: White is one pawn down.
Black threatens 8... cxd5.
The black queen protects the knight on e4, blocks checks and prevents Nc7+. Therefore, 8.d4: A) 8... Qxd4 9.Nxe4 (threatens 10.Nc7+ and 10.Nd(f)6+ Kd8 11.Qe8#; 9.Nc7+ Kd8 10.Nxa8 Nxc3 looks much weaker) A.1) 9... cxd5 10.Nd6+ Kd8 11.Qe8+ Kc7 12.Nb5+ followed by 13.Nxd4, winning. A.2) 9... Qxd5 10.Nf6+ followed by 11.Nxd5, winning.
A.3) 9... Bb4+ 10.c3 wins a lot of material.
A.4) 9... Kd8 10.Ndc3 + - [N vs P].
B) 8... Qe6 9.Nc7+ and 10.Nxe6, etc. |
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| Apr-07-15 | | CHESSTTCAMPS: White is down a pawn in the opening with wonderful compensation. When you're playing black, exposing your position to open file pin tactics on the e-file when you're a tempo behind is a dangerous game. Black seems to be covering the major check and capture threats, e.g. 8.Nc7+? Qxc7 9.N|Qxe4 Be7 is safe, while 8.Qxe4? Qxe4 9.Nxe4 cxd5 hands black a safe endgame. But the black queen is overburdened protecting c7 and e4, so white should play 8.d4!
and black has no good place to put the queen:
A) 8... Nxc3? 9.Qxe5+ Kd8 10.Qc7+ and mate next
B) 8...Qf5 9.Nxe4! cxd5 (Qxd5 10.Nf6+ does the trick) 10.Nd6+ wins the queen. C) 8... Qe6 9.Nc7+ wins
D) 8... Qd6 9.Nxe4 Qe6 (Qxd5 10.Nf6+) 10.Nc7+ wins queen. E) 8... Qxd4 10.Be3!! Qe5 (Nxc3 11.Bg5+!! Nxe2 12.Nc7#) 11.Bf4 Qd4 (Qe6 12.Nc7+) 12.Nc7+ Kd8 13.Qxe4 Qxe4+ 14.Nxe4 to be followed by 15.Nxa8 with a big material advantage. Time for review... |
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| Apr-07-15 | | agb2002: I should have calculated a bit deeper in my line A.1 due to 12... Bb4+, as already mentioned by Once, TheaN and others. |
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| Apr-07-15 | | CHESSTTCAMPS: I like the position after 8.d4 Qxd4 9.Be3 Nxc3:
click for larger viewWhite uncorks 10.Bg5+ Nxe2 11.Nc7# |
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Apr-07-15
 | | Penguincw: Damn it! I thought 8.Nxe4 cxd5 9.Nd6?? was the solution (I missed 9...Bxd6, protecting the queen). |
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| Apr-07-15 | | Once: <TheaN> Good point. I suppose I wanted to get my queen off the back rank so that I could be sure I was safe when I grabbed the Black queen. But you are quite right - we can play Nxd4 one move sooner than my line. This variation does feel a bit more complicated than your normal Tuesday. |
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| Apr-07-15 | | A.T PhoneHome: <8.d4> is a pretty deflection! Now <8...Qf5 9.Nxe4>, winning a piece. This was a nice puzzle which is something I probably wouldn't say had I failed here. :P Enjoy your Tuesday <people>! |
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| Apr-07-15 | | CHESSTTCAMPS: I should have reviewed the whole thread and noticed that <wooden nickel> posted (almost) the same position. |
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| Apr-07-15 | | BOSTER: < TheaN: 12...Kb6 (Kc6 13.Qxc8+ + -)>.
This is not  , because after 13.Qxc8+ Kb6 14.Qc7+ Ka6 15.Nxd4+ b5 16. Bxb5#. |
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| Apr-07-15 | | kevin86: The THREAT of double check wins this one! |
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| Apr-07-15 | | Karne: <morfishine: D-four, shuts the door> Have I not taught you to tell twitter and not us? |
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| Apr-07-15 | | BOSTER: So, if you can count what said <Once > after 8.d4, black should answer with bold Qxd5 9.Nxd5 cxd5 , and play the game like nothihg happened. |
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| Apr-07-15 | | thegoodanarchist: Hardest Tuesday puzzle ever, IMO. |
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| Apr-07-15 | | whiteshark: QP4, ends the war. |
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| Apr-07-15 | | MagisterMusicae: Seibot vs Luetze? Who vs Who? |
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Apr-07-15
 | | scormus: This is Tuesday, isn't it? Only move that seemed it should work is 8 d4, but I couldn't prove to myself that it does, not by just looking at the position anyway. Hats off to those who worked it through to the win. After 8 ... Qxd4, 9 Be3! looks cool |
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| Apr-07-15 | | mistreaver: Tuesday.White to play. Easy. 8.?
8 d4 Qxd4
9 Nxe4 exd5 (Qxd5 10 Nf6 dis ch)
10 Nd6 ch Kd8
11 Qe8+ Kc7
12 Nxf7 and i think white has to win.
Immediately
8 Nxe4 dxe4
9 Nd6 Bxd6
doesn't work i think.
Time to check.
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Whoops what a blunder, in my line 12... Bb4+ wins the queen and the game for black. How terrible.
But i haven't anticipated that long forced combination on Tuesday. |
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Apr-07-15
 | | Bubo bubo: No points for me today: I considered 8.d4, but did not see the main line. But does this puzzle really deserve the rating <easy> ? |
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| Apr-08-15 | | Pedro Fernandez: As you can see <Chris> (for me our #1 chess player) is a lover of CG puzzles. It is not the first time <Chris> spends a lot of time explaining some puzzle even though his cryptic language is practically indecipherable. It is easy to see that 8.d4 wins immediately. |
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| Apr-08-15 | | patzer2: After 8. d4!, solving yesterday's Tuesday puzzle, if Black goes for 8...Qxd4 the "obvious" 9. Nxc7+?  is weak as 9...Kd8 10. Nxa8?? (better is 10. Qxe4 =) Nxc3 11. Qd3 Qh4+ 12. g3 Qe7+
13. Qe3 Nd5 14. Qxe7+ Bxe7 15. c4 Nf6 16. Bf4 Na6 17. O-O-O d6 18. Be3 c5 19.
Bg2 Ng4 20. Bf4 Nf2  to (-1.74 @ 21 depth, Deep Fritz 14) is winning for Black.After 8. d4! Qxd4, Black has two winning options.
One of the two options is 8. d4! Qxd4 9. Be3! as in A Vihmand vs H Haavamae, 2012. The other is the Fritz first choice 8. d4! Qxd4 9. Nxe4! (+5.93 @ 20 depth). P.S.: Black's decisive mistake was falling into the trap with 4...Nxe4?? (better is 4...Nc6  ) as he's busted after 5. Qe2! (+1.89 @ 20 depth, Deep Fritz 14). |
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| Apr-09-15 | | Geronimo: A Tuesday puzzle for all time. Thanks all for the great analysis. |
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| Apr-11-15 | | morfishine: <Karne> On this comment: <Have I not taught you to tell twitter and not us?> The only thing you have "taught" anybody is what an idiot you are. Go F yourself Good day
***** |
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Apr-11-15
 | | perfidious: Maybe we should ask Cappie Pondexter about the virtues of tweeting.... |
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| Apr-12-15 | | morfishine: <perfidious> Thats hilarious. My wife is Japanese while I'm American and we've had numerous discussions on the subject of US - Japan relations. Valuable and revealing discussions I might add :) |
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| Apr-12-15 | | morfishine: <Karne> No response? Again? Look dude, if you are going
to troll, you'll have to do better than that: a lot better Lesson #1: A troller must defend himself. A couple of vague references to twitter just won't cut it Lesson #2: This is an assignment. Pull one post from each of the following famous trollers: <Overgod> & <Conrad92>. Examine the posts for content, theme and whether
the post(s) flow in a logical sequence. Examine the responses and the subsequent counter responses/rebuttals. After this initial review, you will compare and contrast each of these trollers' styles. The idea is for you to absorb valuable lessons which will improve your trolling. So far, your feeble attempts at trolling remind me of a jellyfish. Finally, examine these posts for grammar, punctuation and spelling. Spelling is critical. If a troller frequently misspells common words, this indicates the troller is influenced by emotion, perhaps anger, and is more concerned with quickly posting their response. Nobody likes a sloppy troller Lesson #3: The only people I put on 'ignore' here at <CG> are those miscreants that are unable to defend themself. I leave my forum open for you to submit your report no later than Friday 4-17 noon est. Frankly, based on your initial attempts at trolling, I don't expect you to do very well with this assignment. But don't worry, just do your best! Everybody gets a ribbon
Class dismissed
***** |
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