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David2009
Member since Feb-17-09 · Last seen Dec-15-14
My name is David Ewing. I am retired, living in rural France. I used to play club chess in England until 1993/1994. I started playing Internet chess in 2009 hence my handle.

Currently I play regularly on www.chess.com as DavidMMIX, and occasionally on the Free Internet Chess Server and on Chesscube (same handle). Please feel free to message me in my forum if you would like a game, or email me at DavidMMIX(at)gmail.com. France is 1 hour earlier than UK time and 4 hours later than US Eastern Standard Time. Over the board, I play for Montbron chess club (echecs): http://www.echecs.asso.fr/ListeJoue....

When I joined Chessgames.com my first act was to look up games with the NN vs P ending, which has interested me for a long time. I have moved material on the NN v P ending to David2009 chessforum I have now widened my interests to endings in general.

User profile edited March 2014 (previously November 2009).

>> Click here to see David2009's game collections.

Chessgames.com Full Member

   David2009 has kibitzed 1898 times to chessgames   [more...]
   Dec-15-14 Tal vs L Shamkovich, 1973
 
David2009: <Nov-07-10 Xeroxx: Bf6 nice move>.I agree [DIAGRAM] Here's the position set up in Crafty End Game Trainer - can you beat the robot? Interactive link (works at the time of posting): http://www.chessvideos.tv/endgame-t... I haven't managed to win yet.
 
   Dec-15-14 Adams vs Anand, 2014
 
David2009: Here's the position in Adams vs Anand, 2014 with White to play: [DIAGRAM] Does 24.axb6 draw? I have tried to draw the position against Crafty End Game Trainer, so far without success. The new-style robot now varies its method of playing! Interactive link which works at the time
 
   Nov-27-14 N Delgado Ramirez vs A H Wohl, 2001 (replies)
 
David2009: Thursday's puzzle position is with White to play [DIAGRAM] After 22.Nxf7 Rxf7 23.Qxd8 Qxf2+ 24.Kh1 Ba6 we reach [DIAGRAM] and Black has compensation for the lost exchange. Here's a link to Crafty End Game Trainer: http://www.chessvideos.tv/endgame-t... The robot puts up ...
 
   Nov-24-14 H Pohlenz vs M Pinel, 1994 (replies)
 
David2009: Let's rewind to move 12. [DIAGRAM] (H Pohlenz vs M Pinel 1994 12?) After 12.Qb3 what should Black have played to avoid the disaster in the game? This is an interesting problem in accurate defence - congratulations if you can solve it without an engine! PS- I couldn't - but the
 
   Nov-01-14 Capablanca vs M Fonaroff, 1918 (replies)
 
David2009: User: chessgames.com thanks for republishing this in your Fall 2014 newsletter! The pun is a grave injustice to the loser - I prefer 'The distinguished professor'! Check out http://www.chesshistory.com/winter/... for masterly background information
 
   Oct-24-14 D Larino Nieto vs D Fridman, 2013
 
David2009: Did Black miss his chance at move 60? [DIAGRAM] 60...Nxb4+ 61.Ke4 Kc6 leaves Black two solid Pawns up and good practical chances. Instead Black played to win a piece starting 60...h4 but allowing White to liquidate into a totally drawn NN vs P ending.
 
   Oct-24-14 J Szwed vs N Matinian, 2013
 
David2009: Tense, exciting ending. Final position is [DIAGRAM] Black can capture the Na1 in four moves, which gives White just time to play the Na8 to g4 with a draw. E.g. 71...Kf4 72.Nb6 Kf3 73.Nd7 Kg2 74.Nf6 Kxh1 75.Ng4 and 76.Nxh2 =.
 
   Oct-10-14 H Nagel vs A Lenz, 1994 (replies)
 
David2009: I suppose it is a question of spotting that after 19....Bxf3 20.Rxf3 Rxf3 21.gxf3 Qh3 reaching [DIAGRAM] White has no defence.
 
   Oct-09-14 Estrin vs Sevecek, 1968
 
David2009: [DIAGRAM] Black to play resigned. Rather a sudden resignation but perhaps postage was expensive in 1968. Or was there another reason?
 
   Oct-07-14 M Llaneza-Vega vs R Brosa Alvarez, 2004 (replies)
 
David2009: I am coming very late to this particular party ( M Llaneza-Vega vs R Brosa Alvarez, 2004 White 33): [DIAGRAM] I looked at 33.Rxc8+ and, like <Once>, could not quickly spot the follow-up so went with 33. Qe8 stopping Black checks and it seemed to me winning. I am pleased ...
 
(replies) indicates a reply to the comment.

NN vs P ending, and others

Kibitzer's Corner
< Earlier Kibitzing  · PAGE 10 OF 10 ·  Later Kibitzing>
Jul-22-13  The Last Straw: Let's try to assess 1...exf4+.

I already know from a book that the position after 2.♔f3 is a draw, but can you find anything better? (No, I'm not sure if there is).

Hope to see you around more in the autumn!

Nov-30-13  LIFE Master AJ: Hello. Stopped by to say hi and wish you a safe and cheerful holidays.
Dec-28-13
Premium Chessgames Member
  morfishine: <David2009> You are very kind sir! I've done a poor job of keeping in touch with friends this fall. I hope you have a great New Year!

Tell me more about your exploration of Coursera

Dec-31-13
Premium Chessgames Member
  David2009: <<Morf>:[snip] Tell me more about your exploration of Coursera>. Not much to say. I have taken four courses getting certificates for three. All were good but perhaps the most interesting and challenging was the Introductory Physics I with Laboratory course run by Professor Michael Schatz and his team from Georgia Tech. Basically the course is about simple mechanics starting with Newton's three laws of motion and the momentum principle. The twist is the classroom exercises: you have to film moving objects with your mobile home or video camera; then analyse the motion frame-by-frame using public-domain software; then compare experiment and theory using a computer program called Python to do the math for you (i.e. doing calculus by arithmetic rather than algebra); and finally report the whole thing by posting a five minute video onto You Tube. It is this last step that I found very difficult. The physics has hardly changed since I was at school 50-55 years ago, but reporting by video (rather than posting a document) really took me out of my comfort zone. When I started I had great trouble getting the blessed software to work for posting text to You Tube in readable form, and could only manage to sort out a commentary in my final effort. This can be seen at “How to fall off a ledge” at http://www.youtube.com/watch?v=nAxh....

Happy New Year to one and all!

Cheers, David

Jan-01-14
Premium Chessgames Member
  morfishine: <David2009> Congratulations on your video! I think it was better than you suggest: Keep in mind, that live presentations, of any type, can always be improved upon since there are so many areas to scrutinize. If I were to offer any advice, it would be related to short presentations (5-minutes is very short, especially for this subject matter): Get right to the point since there is such little time to work with

Now you've re-kindled my interest in Coursera. Coincidentally, Physics was a big problem for me in college: I did well in Calculus and Chemistry, but since I couldn't get past the Physics courses, I had to switch from Engineering to Business; maybe, I can finally get that monkey off my back!

Thanks, and congratulations again on your first U-video, well done!

Jan-01-14  LIFE Master AJ: That was quite a compliment you left on my player page ...

Thanks! Happy New Year!!!

BTW, thanks to the actions initiated by <TheFocus> I now enjoy peace, (on this site). It was an absolutely amazing turn of events and it could not have been predicted by anyone. Even <Colonel Mortimer> and I have smoked the peace pipe and have abandoned our strife.

I cannot tell you how much this pleases me! Praise God!

Jan-02-14
Premium Chessgames Member
  David2009: <AJ>, <Morf>: Thanks very much for these kind words which have helped get my New Year off to a really good start! Cheers, David
Jan-05-14  LIFE Master AJ: http://www.youtube.com/watch?v=nAxh...

Are you a teacher? Physics major?

Trust me, I am not trying to be ugly, I am just intensely curious. (About a great many things!)

I know that my critics paint me as an ignoramus who knows nothing and only has some knowledge about chess, but this is actually incorrect ... I am curious about many different subjects, to include the natural sciences.

BTW, a lot of Christians are generally represented as being non-believers of science or saying that all of science is incorrect. I am firmly in the field that most science is both logical and correct. The stereotype is unfair but the one that Hollywood always seems to resort to. In fact, most movies (that I know of) always present a Christian as a nutjob/psycho ...

I also believe there is a lot of <supposed> science that is only a theory and borders on religion and is completely unproven. (Two good examples, for me ... anyway, are global warming and evolution.)

Jan-05-14  LIFE Master AJ: BTW ... a little known fact was that (when I was very young) I really wanted to be a paleontologist. (I have been absolutely insanely crazy about dinosaurs for as long as I can remember. The movie, "Jurassic Park," - I also read the book as well - bordered on being a religious experience for me, hehe. I have been told, when I was <about> 3-4 years old, I had a little plastic, yellow toy dinosaur ... and I carried it everywhere I went for several years.)

Unfortunately, when my maternal Grandmother told me that this was not a good profession to be in, I basically believed her and allowed her to (permanently) sway my opinion ... all I can say (in my defence) is that I was very young.

Jan-18-14
Premium Chessgames Member
  morfishine: <David2009> Thank you very much for the information! Let me know when you post new videos!
Jan-25-14
Premium Chessgames Member
  David2009: Crafty End Game Trainer has received a new lease of life. It is now programmed to try alternative lines which makes it much more challenging to play against. I have tried by luck with the ending Q vs R in a position which is a tablebase mae in 27.


click for larger view

Crafty EGT link: http://www.chessvideos.tv/endgame-t...

Without tablebase help, finding the win is very challenging and I have frequently only drawn (i.e. winning in over 50 moves). I stop as soon as I capture the Rook. The fastest win starts Qe6+. If you get stuck, try the Nalimov table base http://www.lokasoft.nl/tbweb.aspx. This last uses Java and you will have to give your computer the appropriate parmission as described by Chessgames.com in their link Java Help Page.

You may also like to explore defending the ending, for example using the following link: http://www.chessvideos.tv/endgame-t... or alternatively a link to the diagram position colours reversed http://www.chessvideos.tv/endgame-t... so Black can mate in 26 with best play

Crafty normally finds the win efficiently: your task is to postpone losing as long as you can. Excellent training!

Feb-20-14
Premium Chessgames Member
  morfishine: <David2009> Hi David! Yes, I have tried 10-min and the quality improved instantly and dramatically. The reference I made to 5-min chess over in <Patriot>'s forum relates to a training exercise I undertook in 2012 and half of 2013. I played about 1,300 games of 5-min chess with the idea of speeding up calculating speed and enhancing time mgmt skills. Hopefully this would carry over to normal OTB controls. Some GM's advocate speed chess for these type of reasons.

I did well pushing my 5-min rating up to 1870; but as soon as I stopped doing tactics every day, and I stopped playing so much 5-min, my rating dropped like an anchor: it was that fast. Oh well, I know what it takes and how much discipline it takes to play good 5-min chess. I just don't have the time or desire to maintain peak efficiency at that time control.

Thanks for the comments! I still take my scalps, just not in heaps like before :)

Mar-10-14
Premium Chessgames Member
  David2009: I previouslyt edited my User profile on 13 November 2009. The information below was current on that day:

I am retired, living in rural France. I used to play club chess in England until fifteen years ago. I have a temporary rating of about 1700 standard, 1400 blitz from the Free Internet Chess Server (FICS) at http://www.freechess.org/ . I am registered as DavidMMIX. I prefer standard games 5/15 (meaning 5 minutes initially plus 15 seconds per move). Please email me at DavidMMIX@gmail.com if you would like a game and we can agree a convenient time. France is 1 hour earlier than UK time and 4 hours later than US Eastern Standard Time .

When I joined Chessgames.com my first act was to look up games with the NN vs P ending, which has interested me for a long time. I have moved material on the NN v P ending to David2009 chessforum I have now widened my interests to endings in general.

I have become a daily puzzle addict. Following the example of <dzechiel> and others, I like to write out my solution (in Notepad) and then post it, warts and all (apart from proofreading), with a brief comment after I have seen how the game went. These "brief comments" have recently become longer, because I have discovered a free on-line version of the Crafty chess computer on the www.chessvideos.tv site which enables me to check my analysis and also win (if I can) the theoretically won positions. Thanks, Chessvideos! You can compose your own problem or have a go at a standard ending. Link: http://www.chessvideos.tv/endgame-t....

User profile last edited 13 November 2009.

Mar-30-14  LIFE Master AJ: Thank you for your fime comment the other day, it was much appreciated.
Apr-01-14  LIFE Master AJ: DeFirmian vs N Ristic, 1981

I got a few comments and a few e-mails about last week, I annotated three games, Monday-Wednesday.

Above is yesterday's contest, I am interested in what you think about it.

Jul-12-14
Premium Chessgames Member
  David2009: Is the Traxler counter-attack unsound? I never normally allow it: as Black I am afraid that White will cash the forced draw, as White if I avoid the forced draw I am worse off. HOWEVER this assessment may be arong.

I am having a fascinating on-going turn-based (correspondence) game on www.chess.com with Jonathan Birchley (aka User: scormus. The game started 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Nxf7 Bxf2+ 6. Kf1 Qe7 7. Nxh8 d5 8. exd5 Nd4 and we reach


click for larger view

The immediate 9.Kxf2 loses quickly to Ne4+ followed by Qc5. But Jonathan finds an improvement: 9.d6! cxd6 10.Kxf2. Theoretical novelty (TN)!


click for larger view

Black is R and B behind - now what?

After long cogitation I went for 10...Bg4. I think other lines lose for Black.

NO comments with specific variations YET, please. But watch this space! On chess.com my handle is DavidMMIX. See you there!

Jul-12-14
Premium Chessgames Member
  scormus: It will be fascinating to do analysis and discussion later. I'll just comment that I cannot take any credit (or blame) for 9.d6. It was suggested to me a year or so ago by someone else. Whether it's ! or ?, it certainly requires strong nerves to play the ensuing position!
Jul-12-14
Premium Chessgames Member
  morfishine: Hello <David2009>! Great to hear from you! Glad you enjoyed my comments on Napoleon. I enjoy wargames, especially from the Napoleonic era and the US Civil War. The strategy and tactics involved are to me at least, quite interesting.

As far as I know, Morphy's "method" was based on quick development. One thing about Morphy is though he was a marvelous attacking player, he was a precise and stubborn defender too. I don't think Morphy has been credited enough on how astute he was at defending. Of course, he rarely was on the defense, but when he was, his accuracy was uncanny

*****

Interesting game vs Scormus: Why not 9...Qxd6 maintaining the threat ?

*****

Jul-13-14
Premium Chessgames Member
  morfishine: <David2009> If you are interested in Napoleon's campaigns, I'd suggest reading up on Jena, Austerlitz and Waterloo.

Waterloo is a particularly striking example of "moving in 3's" where a smaller army attempts to defeat a larger force in detail. With the British grouped around Brussels and the Prussians around Namur, Napoleon drove northward directly over the sector where the Alllied lines overlapped. One column drove up the Brussels road, another column pushed NE towards Liege while the third column trailed behind ready to reinforce either wing depending on circumstances.

Napoleon was presented with a gift at the outset when Prussian General Blucher rashly moved south, thus lengthening the distance between his army and Wellington's army. Even worse, his movement was premature in that only 3 of his 4 corps were at hand; furthermore, the missing IV corps was his strongest. Much wiser would have been for Blucher to shift westward effecting a union with the British army before Napoleon could initiate an engagement.

Here, fate stepped in to poison Napoleon's plans: His reserve column failed to reinforce either wing, marching to and fro due to a communications gaffe. Thus the British were barely able to hold onto Quatre Bras while the Prussians desperately held onto Ligny before retiring after being roughly handled. In essence, the allies fought two delaying actions and were fortunate neither were overrun.

Napoleon's bad luck continued when weather (rain) hindered his pursuit of the British northward towards Brussels. Napoleon then worsened his position by detaching 1/4 of his force to pursue and "delay" the Prussians or prevent them from joining the British. This fatal miscalculation is hard to understand since Blucher had a full day's head start and could simply march north then west joining the British. This is exactly what happened.

Still, despite all this, Napoleon came within a whisker of defeating the British before the Prussians arrived. In hindsight, Wellington would have been soundly defeated if Napoleon had Grouch's force at hand. But such are the fate's of campaign's

*****

Jul-15-14
Premium Chessgames Member
  scormus: I had in mind to comment on the game and now is the time.

Here is the game which took just 17 moves for me to lose, though a lot happened in those few moves

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Nxf7 Bxf2+ 6. Kf1 (generally considered better than Kxf2?! which seems to give the advantage to B after 6 ... Qh5+ and several forced moves to follow)

6 ... Qe7 7. Nxh8 d5 8. exd5 Nd4

we have reached a key position in the Traxler. The classical continuation that dates back to Traxler himself starts with the eminently reasonable 9. c3?! and continues ... Bg4! 10 Qh4+.

A well known line thanks to an entry in an old edition of MCO is 10 ... Bd2?? 11 Qd1?? Bg4 12 Qa4+ 1/2 - 1/2. In fact both W and B "miss" 11 Qa3!, winning. One reason for playing 9.c3 at club level is B might go for this line!

In fact B must play the odd looking 10 ... Nd2! After 11 Kxf2 B can easily draw by 11 ... Qh4+ followed by an easily found forcing line which ends with repeated checks on WK by with Q and N. Can B do better? If so its damn hard to find. Perhaps David, you'll play it with W against me to find out ;)

Our game continued

9. d6!

which I am convinced leads to a win for W. I take no credit here, a couple of years ago I had some correspondence with the delightful WGM Natalia Pogonina who assured me it wins and c3 only draws at best. When I did an engine analysis I satisfied myself that d6 is indeed winning, but W has to play very carefully, quite possibly having K on f2 and B N's on d4 and e4 to deal with.

9 ... cxd6 (I am not sure which is better cxd6 or Qxd6)

10. Kxf2 Bg4! (tempting as ... Ne4+ is, I think Bg4 is actually the best move, well chosen David)

11. Qf1 O-O-O 12. c3? (according to Rybka, 12. Qg1 is better)

Ne4? (according to Rybka, Nxc2! is much better but not enough to get equality)

13. Kg1 Rf8 14. Qe1 (Rybka prefers Nf7 with big advantage, but Qe1 is still winning)

14 ... d5 (again Rybka prefers Nc2)

15. cxd4 dxc4 16. Qxe4 Qh4! (the best chance for B, though with correct play this position is overwhelmingly winning for W)

17. g3?? defends against on mate threat but not both

17. Qe3 seems to parry both mating threats but loses in a few moves anyway. The only move if 17. Nf7!!, diverting the BR away from the back rank where it's needed most. What I mean about having to play carefully.

Bh3 :(

0-1

Jul-16-14
Premium Chessgames Member
  morfishine: <David2009> Yes, that is a very interesting perspective identifying the different struggles at Mount Saint Jean vs the British on June 18, and the follow up offensive by the Prussians afterwards. Its easy to gloss over the fact the Prussians were pressuring Napoleon's right-rear at Plancenoit fairly early in the afternoon, between 4-5pm.

Ironically, Grouchy gave a very creditable performance covering the rear of the retreating French army between June 18 - 22 as it withdrew towards Paris.

*****

Jul-17-14
Premium Chessgames Member
  morfishine: <David2009> Thanks for the problem! Nice write-up by <scormus>

<17.Nf7> is the only move

Oct-01-14
Premium Chessgames Member
  David2009: I have been exploring the various facilities that the chess-playing site www.chess.com has to offer. One is the opportunity to practice playing a series of middle-game and endgame positions against the computer, for example http://www.chess.com/computer-worko....


click for larger view

I found it very difficult to hold the draw. I drifted repeatedly into inferior positions.

The computer provides a best move if required. Using this generates 1.Nd4 (forced) g6 2.Ke2 Ke7 3.Bf4! a5 4.b3 a4 5.bxa4 Rc4 6.Kd3 Rxa4 7.g4 Ra3+ 8.Ke4 Ra5 (Rh3 gives Black nothing after Bg3) 9.f3 Rh4 10.Kd3 Ra3+ 11.Ke4 Ra4 12.Kd3 Kd7 13.Bg3 Ke7 14.Bf4 Kd7 and the computer accepts repetition. The B and N operate together.

7.g4 seems necessary since otherwise the computer plays h5 with a grip (e.g in the variation 6.Ke3 h5 which I went on to lose).

An earlier attempt led to


click for larger view

which to my immense surprise the computer did not try to win settling for a repetition with Bb4 Rg5; Be7 Rg1; etc even though it was up by +2.9. Programming glitch?

This facility is reserved for premium members only, but one can explore the ending with Little Chess Partner. With the sad demise of Crafty End Game Trainer, I no longer know of any other free-to-use server-based chess program.

Oct-04-14
Premium Chessgames Member
  David2009: A tense and interesting ending. White is to play:


click for larger view

The actual game ended
48.Kg4 b5 49.Kg5 Kc3 50.Rh8 g6 51.h4 b4 52.g4 b3 53.Rc8+ Kb2 54.h5 gxh5 55.gxh5 Kb1 56.Kh6 b2 57.Rh8 Ra7 58.Rg8 Ka1 0-1. Alternatively variation A: 58.Rxh7 Rxh7+ 59.Kxh7 Kc1 60.h6 b1=Q+ 61.Kg7 Qb7+ 0-1

But perhaps the game should have ended
48.Kg4 b5 49.h4! Kc3 50.Rc8+ Kb3 51.Kg5! (51.h5? h6 0-1) to reach with Black to play


click for larger view

Black wins with 51...b4!! (Variation B) 52.h5 Ka2 53.Ra8+ Kb2 54.Rh8 b3 55.Rxh7 Kc1 56.h6 gxh6+! 0-1 Alternatively 56.Kg6 Rf2 57.Kxg7 b2 58.g4 b1=Q 59.g5 Qf5 60.Kh6 Qf8+ 61.Rg7 Rf7 0-1

Sub-variation after 55.Rxh7: 55...Ka1?! (only sensible to meet 56.h6!? with 56...b2??) 56.h6!? b2? 57.hxg7 b1=Q 58.g8=Q (58...Qxh7 59.Qxh7 Rxh7 60.Kg6 Rh4 61.Kf5 Kb2 62.g4 Kc3 63.g5Kd4 64.g6Rh1 65.g7 Rg1 66.Kf6 Kd5 =) 58.g8=Q Qf5+ 59.Kh6 Rf6+ 60.Kg7 Rg6+ 61.Kh8 Qf6+ 62.Rg7 Rh6+ 63.Qh7 Rxh7+ 64.Kxh7 and it is unclear what should happen.


click for larger view

If Black misses all this, and after 51.Kg5) plays 51...g6 White appears to draw with 52.g4 (not 52.h5? gxh5 53.Kxh5 Rg7 0-1) 52...b4 53.h5 gxh5 54.gxh5 Ka2 55.Ra8+ Kb2


click for larger view

White can now draw with
56.h6! b3 57.Rg8 Ka1 58.Rg7 Rf8 59.Ra7+ Kb1 60.Rxh7 b2 61.Rg7 Ra8 62.h7 Kc1 63.Rc7+ =

but not
56.Kh6? b3 57.Rh8 Kc1 58.Rc8+ Kb1 59.Rh8 b2 60.Rxh7 Rxh7+ 61.Kxh7 Kc1 62.Kg7 b1=Q 63.h6 Qb7+ 0-1 (transposing back into the game, variation A)

POSTSCRIPT 2: Critical position after 55.Rxh7 Kc1 is


click for larger view

Both 56.h6 gxh6+! and 56.Kg6 Rf2! lose quickly so White has no good way of preventing the Pawn queening

The variation in full:
47.Ra8 Kxb4 48.Kg4 b5 49.Kg5 Kc3 50.Rc8+ Kb3 51.h4 b4 52.h5 Ka2 53.Ra8+ Kb2 54.Rh8 b3 55.Rxh7 Kc1 56.Kg6 Rf2 57.Kxg7 b2 58.g4 b1=Q 59.g5 Qf5 60.Kh6 Qf8+ 61.Rg7 Rf7

Oct-07-14
Premium Chessgames Member
  David2009: http://www.chess.com/computer-worko...

This computer workout is currently available to visitors to www.chess.com, and to members (basic membership is free: premium members get more facilities including further computer workouts).

I first came across it last year. How does White play with a passed d Pawn arising from a Gruenfeld?


click for larger view

I lost the d Pawn quickly first time through (1.d6? Rc6 2.Be4 Rxc1 3.Rxc1 Rd8 4.Bf4? Re8! 0-1), then read <VasilisPenintas>'s excellent comment: <+0.52? something is wrong .white pieces are leading to disaster!!.i will explain. pawn on d5 is extemely weak and nothing can protect it,it is isolated> Accordingly I exchanged Rooks and managed to win as follows: 1.Rxc8 Rxc8 2.Rc1 Rxc1 3.Bxc1 Nb7 4.Ba3 Nc5 5.Bc4 Bf6 6.Ke3 Kf8 7.Nd4 Ke7 8.Nc6+ Bxc6 9.dxc6 Kd6 10.Bxf7 Kxf6 11.f4 b5 12.g4 a5 13.g5 Bb7 14.Bxc5 Kxc5 (+0.38) 15.Bg8 [not 15.Kd3 b4=] h6 16.Bf7 hxg5 17.fxg5 Be5 18.h3 b4 19.Bxg6 Bg3 and we reach


click for larger view

Now 20.Be8 blockades the Black Pawns and seems to win: Black has no time for Kc4, Kc3 and b3 because of Ke4 etc and so the computer plays Kd6 after which Kf3 wins easily.

Revisiting it in Octiber 2014: the computer seems to have strengthened its play significantly: this line no longer worka and I struggle to hold the draw.

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