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| Jan-11-21 | | agb2002: Black is one knight and one pawn down.
White threatens Bxa5.
The rook on b8 x-rays b1. Therefore, 20... Qxa3, threatening Qxb2# and Qa1#: A) 21.bxa3 Rb1#.
B) 21.Bc3 Bxc3 and mate in two.
C) 21.Bb4 Rxb4 22.Kd2 (22.Rd2 Qa1#; 22.bxa3 Rb1#) 22... Rxd2#. |
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| Jan-11-21 | | agb2002: I meant 22... Rxd2+ and mate next in my line C. |
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| Jan-11-21 | | agb2002: White can also interpose the rook on d3 in B to delay mate, so it won't be in two and will take a couple more moves. I need a coffee. |
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| Jan-11-21 | | murkia: <agb2002>Refreshing to see you descend to my level for once. Enjoy your coffee ;-) |
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| Jan-11-21 | | stacase: The well placed Bishop at f5 makes all the difference. Took only a few seconds to verify that the Queen sacrifice would work. |
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| Jan-11-21 | | Brenin: 16 Nd5 was a big mistake: after 16 ... Nxd5 17 Bd5 c4, White is in deep trouble, with either capture of the c-pawn answered by 18 ... Rac8, and 18 Qa2 by Bxd2+ and 19 ... Na5. |
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Jan-11-21
 | | FSR: I'll take Qxa3 for $1,000, Alex. |
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Jan-11-21
| | FSR: This is about how it goes whenever I try castling queenside as White after having played 1.d4 and 2.c4. |
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| Jan-11-21 | | groog: so what is all this nonsense with chessgames.com and being bombarded continually with offensive adverts?
Just asking |
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| Jan-11-21 | | morfishine: <20...Qxa3> and thats that |
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| Jan-11-21 | | TheaN: A slightly more sophisticated Monday, as after <20....Qxa3> White isn't forced to one or two moves, but actually has the free move to try and defend against the queen's incursion. Of course, 21.bxa3 Rb1# is Monday-key, whilst also threatening Qxb2# and Qa1#. So White will have to play a move with Bc3 to prevent mate, if we include <21.Bxf7+ Kh8>. Start with 22.Bb4; 22....Rxb4 is #3. It renews all ideas so after 23.Kd2 (only difference) Black wins by two discovers(!); 23....Rxb2+ 24.Kc1 Rxf2#. The alternative 22....Qa1+ 23.Kd2 Bxb4+ 24.Ke2 Bd3+ 25.Rxd3 cxd3+ 26.Kxd2 Qxh1 -+ wins just as fine. After <22.Bc3>, the most logical defense <22....Bxc3> renews all ideas. The only move that prolongs mate is <23.Rd3> after which <23....Qxb2+ 24.Kd1 Qa1+ with 25....Bxd3#> ends things forcefully. |
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| Jan-11-21 | | King.Arthur.Brazil: Everybody love mondays puzzle because they find the answer quickly. However, it is interesting to note that the 20.♕xd5? it isn't in fact the loser move, since the position is already bad. Following with 20. ♕a4 ♕f6 21. ♘d4 ♘xd4 22. exd4 ♕xd4 23. ♗c3 ♕f4+ 24. ♖d2 ♗xc3... it is proven that white was in mate net also. I guess that the strong 14...Sf5! is the refuction of premature 14. O-O-O. I'm not an oppenings expert, but I feel that white position is just bad on the 14th move. Simple moves like: 14. ♘e4 ♘xe4 15. ♗xa5 ♘xa5 16. ♕xe4 ♗xf3 17. gxf3 ♖ad8 ∓ elucidates my point of view. Another example is: 14. ♖c1 ♗xf3 15. gxf3 ♘e5 16. ♗e2 ♖ad8 ⩱ |
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Jan-11-21
 | | Yuridmi: 15. e4 instead of 15. Qb3 |
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| Jan-11-21 | | landshark: I could have easily fallen into the same trap with 16.Nd5? - It just looks so innocuous on the surface of things....
Sax had a knack for springing such deadliness from seemingly mild positions - |
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| Jan-11-21 | | lost in space: 20...Qxa3 and 0-1 |
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| Jan-11-21 | | lost in space: <<Messiah:> True Monday. Let's slide to Sunday in one step.> It's Friday I'm in love with |
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Jan-11-21
 | | chrisowen: Knob of butter Qxa3 fluffs against abattoir avid lubbly guv jubbly a flash vim photon beam coo acts 6 guv away guv knob of butter avid perjury guv aka jokers confiscate vim vigilant gnaw yet quilt midas it hide zuma its beeps vim ova bonafide vim duck gotcha lit wu motor vim het tot dove duck fluffs dud Qxc6 but it is what vast else grab abridge lug Qxa3 devour? |
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| Jan-11-21 | | AlicesKnight: .....Qxa3 threatens three or so mates and even 21.Bb4 looks as if it only delays things. Sax might have been eyeing it from move 16 as the P advances open the lines. |
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Jan-11-21
| | chrisowen: Vindicate rook b8 under c6 get a3 no? |
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Jan-11-21
 | | gawain: Before finding 20...Qxa3 I toyed with ways of trapping the White queen via 20...Bd7. It does not quite work. |
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Jan-11-21
| | chrisowen: Against the grain no erm c6 u. |
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Jan-11-21
 | | Jimfromprovidence: Side puzzle after 20...Rfc8.
click for larger view White to play and? |
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| Jan-11-21 | | rbhgroup: gotta love those 2 bishops for Black.. reminds me of a game I played (and won) at a Pan American Intercollegiate many years ago... not knowing the Nimzo-Indian very well (from either side), I am wondering just where White went wrong.. time for a trip in the Opening Explorer i guess... best regards to all... |
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| Jan-12-21 | | Brenin: <rbhgroup>: I'm no expert on the Nimzo-Indian, either, but it seems to me that White was OK until 16 Nd5. Also, I can't help feeling that castling Q-side wasn't a brilliant idea. |
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| Jan-12-21 | | rbhgroup: <Brenin> I agree with your comment on castling Q-side.... but I would not want to play his position even before 16 Nd5 ... maybe that is just me, though... thanks for your response! |
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sac: 19...Rab8