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| Oct-05-16 | | unferth: <Abdunnaser: Could 28 Rc1 finnished the game earlier> I wondered the same, but white's not obliged to take the rook. I think 29 Qb6 holds temporarily as in the game. it does look to me as though black missed a killer in 30...e3, though. |
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| Oct-05-16 | | AlicesKnight: 22.....Nc1 appears to win the exchange.
23.Qxd8 Nxe2+ followed by Q recapture; or 23.Qxc1 Rxe2; or 23.Rxc1 Qxd1+; 24.Rxd1 Rxe2. Not a clear-cut win but with a pawn more it should be decisive.
Let's see - yes, the right move, but I forgot the 23.Re1 line. |
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| Oct-05-16 | | Cybe: Strong russian engines reccomend 22… Nc1, 23. Re1, 23…Ne2+, 24. Q:e2, 24… R:e2, 25. R:e2 (or: 24. Kh2, 24… Rd2, 25. Q:e2, 25… R:e2, 26. R:e2). However White is about +2,5, the game is quite difficult to win for White. |
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| Oct-05-16 | | clement41: Like plumbst I saw ...Nc1 but got stuck on what looks the most resilient reply: Re1. Then ...Qxd1 Rxd1 Ne2+ Kf1 Nc3 forking both rooks fails to Ra1 I think.
It seems that the win is to be found in ...Nc1 Re1 Ne2+ Kf1 Rd2 |
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| Oct-05-16 | | Nosnibor: Nice interference move ! Spotted it within a minute. |
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| Oct-05-16 | | patzer2: For today's Wednesday puzzle, I found the combined obstruction and in-between move 22...Nc1!  (-2.30 @ 33 depth, Komodo 9.42), which wins the exchange and gives Black a decisive advantage. White's game in this Benko Gambit opening starts to go bad after deliberately sacrificing a White pawn with 13. Bd2? allowing 13...Rxa2  to  (-0.54 @ 27 depth, Komodo 9.3). Instead, 13. Ra1 Qa5+ 14. Qd2 = (-0.12 @ 24 depth, Komodo 8) keeps it about level. Earlier, the computers indicate 11. Ng5  to  is better for White. Play in this line might go 11. Ng5 Bxa2 (11... h6 12. b3 hxg5 13. bxc4
Nxc4 14. Qb3 Ne5 15. Bxg5 Bh6 16. Bxh6 Rxh6 17. O-O g5 ) 12. Nxa2 Rxa2 13. Qb3 Ra8 14. Qb5+ Nbd7 15. Ne6 fxe6 16. dxe6 Rb8 17. Qa4 Bg7 18. exd7+ Nxd7 19. Bd5 Bc3+ 20. Kf1 Rb4 21. Qa2 Qb6 22. Kg2 Qb5 23. Qa8+ Qb8 24. Ra1 Bxb2 25. Ra7 e6 26. Qxb8+ Nxb8 27. Bxe6 Bxc1 28. Rxc1 Kd8 29. Rd1 Rb6 30. Bc4 g5 31. Rg7 Re8 32. Rxg5 Nd7 to  (+1.89 @ 21 depth, Deep Fritz 15). P.S.: Black's strong follow-up after winning the exchange is instructive. |
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| Oct-05-16 | | martis27: agb2002: <E) 23.Re1 Qxd1 24.Rxd1 Ne2+ 25.Kf1 Nc3 - [R+P vs B].> This was the line I looked at, but rejected it because of 26. Ra1 which seems to save the exchange |
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| Oct-05-16 | | dfcx: black already has an extra pawn, white's intention to trade rook backfires after
23...Nc1.
24.Qxd8? Nxe2+ 25.Kf1 Rxd8 wins a rook.
24.Qxc1 Rxe2
or
24.Rxc1 Qxd1+ 25.Rxd1 Rxe2
black is up an exchange. |
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| Oct-05-16 | | Moszkowski012273: It's damn near impossible for Black to win if White gives up the Q for R+N. |
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| Oct-05-16 | | Macbeth: 22....,Nc1. Took me 2-3 minutes, somehow way easier than yesterdays. But as usual, is those kind of moves that you easily overlook on the board, unless there is Ginn hovering your head and saying 'hey, there is something there' |
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| Oct-05-16 | | patzer2: <martis27> After 23. Re1, Black has 23...Ne2+ 24. Qxe2 (24. Kf1 Rd2 25. Qxe2 Rxe2 ) 24...Rxe2 (-1.79 @ 25 depth, Komodo 8) |
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| Oct-05-16 | | zb2cr: 22. ... Nc1 cuts off the Rook on c1 from defending the White Queen, attacks the White Rook on e2, and discovers an Attack on the White Queen. Truly a multipurpose move! |
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| Oct-05-16 | | vermapulak: Can anyone tell me how the Black will defense his N on 24th move (if white choose to sacrifice his Q) against the two R of white:- 22...Nc1!
23.Rxa2 Qxd1+ 24.Kh2 |
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| Oct-05-16 | | patzer2: <vermapulak> After 22...Nc1!
23.Rxa2 Qxd1+ 24.Kh2, the computers give 24...c4! when play might continue 25. b4 Rb8 26. Raa1 c3 27. Rxc1 Qd2 28. Rf1 c2 29. Rac1 Rxb4 (-5.66 @ 20 depth, Deep Fritz 15). |
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Oct-05-16
 | | Sally Simpson: I got it but had my doubts because there is no crusher. I saw the line where White gives up the Queen for Rook and Knight. 
click for larger view23.Re1 etc...
If White doubles Rooks on the 2nd rank and gets the Bishop to c4 then there is still some work to do. But not seeing any killer 'no doubt at all' or mating move with a shrug of the shoulders I plumped for Nc1. It wins material and Black cannot really lose this. I might tonight play take on a computer in the Q for R&N line to see if I can crash through in style. It's the only time I value computer as aiding anyone. Play it from a technically won position and win it. You learn nothing by watching a computer showing you the win. At the end of the day it's you who has to win such positions...without help. Of course that involves a little bit of effort on your part and that is not to everyone's taste. But you will only get out of this game what you personally put into it. I've lost some famous winning positions in my time doing this. Try it. |
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Oct-05-16
| | Sally Simpson: Hello again,
Just skipped through the game. Here, White to play. 
click for larger view18.Nxf2 KxN looks on.
No qualms about chopping Queens a bit down here. 19.dxe5 Qxd8 20 Rxd8
e5-e4 threats, the b2 Bishop is King-pinned, there is a Knight check on d3 and you have three pawns for the piece. There was the real Wednesday puzzle unless someone else can bust the Knight sac wide open. |
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Oct-05-16
 | | paulalbert: Got this one but took me some time to get the variations correct. |
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Oct-05-16
 | | gawain: Stumped for a while, had to leave puzzle and return to it. Then noticed how some good things happen for Black if she blocks the white rook with 23...Nc1. White queen is under attack and must move, but cannot take the black queen because of 24 Qxd8 Nxe2 with check. Nice puzzle for a Wednesday. |
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| Oct-05-16 | | saturn2: Nc1 came to my mind quickly, but there were some possibly answers to falsify: QxQ,QxN,RxN,RxR to name a few. |
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Oct-05-16
 | | kevin86: Two rooks dominate the seventh rank! |
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| Oct-05-16 | | dzechiel: Spotted 22...Nc1 pretty quickly, but mostly because I knew there was a good move to be found. I think it was Averbach who approached each position as if it had a wonderful move to be found by first looking at all the ways to sacrifice his queen, then his rooks, etc, before settling down on the more pragmatic moves to consider. |
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| Oct-05-16 | | Marmot PFL: Took a while (5 minutes or so) to find 22...Nc1 and in a game I doubt I would have. |
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| Oct-05-16 | | Marmot PFL: Furthermore 22 Re2 is a natural move to defend f2 and I might have fallen for that as well. the refutation is not at all obvious. |
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| Oct-05-16 | | billbarstool: Stared at this position for ten minutes, couldn't solve it, decided to do chores. After washing the dishes, doing the laundry, picking up the junk after last night's party, looked at the problem once again. BAM!!! Saw Nc1 instantly. Next time I'll do the chores first! |
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| Oct-05-16 | | NBZ: <billbarstool> Most cruelly the White player did not have dishes to wash during the game, and suffered as a result! |
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