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Lawrence Day vs John C Yoos
"What's the Yoos?" (game of the day Feb-15-2006)
CAN-ch (1996), Toronto CAN, Aug-??
Sicilian Defense: Grand Prix Attack (B23)  ·  1-0



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Kibitzer's Corner
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Premium Chessgames Member
  IMlday: <cogano> Your reader may not be picking up the pieces font. ♕g3 is Qg3 not g2-g3. However you are right that ..e5 instead of ..Rb8 was possible (I had the position wrong). Still after 10.Qg3 exf4 11.Bxf4 d5 12.Bd6 looks scary for Black. re: books. You might try the public library~they have a pretty good collection of the classics.
Feb-15-06  Cogano: Good Morning again Mr. Day and thank you most kindly for your prompt reply, for taking the time to explain things to me, and for your suggestions. If I may trouble you further, why does 12.Bd6 look scary to Black? The e7-knight is well protected by the c6-knight as well as the Queen on d8, while White is attacking it only with that bishop on d6! Thank you most kindly for your continued patience, tolerance, understanding, consideration and assistance. Take very good care and have a great day. :)

<Runemaster> Thank you kindly for replying so promptly & for taking the time to answer my query, even though Mr. Day more than adequately did that! Take very good care and have a great day as well. Cheers mate! :)

Feb-15-06  zhentil: <IMlday> In your lines, I do believe that white is better after 9... e5. However, the error did not come until later. The positionally atrocious 11...d5? leaves black very weak in the center, as your fine play clearly demonstrates. However, 11...b4 (reminiscent of the old Smyslov-Fischer game) leaves black at least slightly better and casts doubt on 5...a3?!.
Feb-15-06  ReikiMaster: 42...Qd8 got punished. Does black have any other moves?
Feb-15-06  dakgootje: <IMlday> seems youve played a very nice game ;-)

thanks for your comments, as they are really usefull

Premium Chessgames Member
  IMlday: <zhentil> 11..b4 is better than 11..d5 but it looks unclear after 12.axb4. Perhaps 10.Kh1 is not the most accurate. It is hard to believe the system is faulty since with colours reversed it produced a draw in Karpov vs Korchnoi, 1978 <Cogano> What is scary after 12.Bd6 is that Black has to do something about hanging on c5 and d5. Advancing 12..d5-d4 blocks his possible central play while 12..dxe4 13.dxe4 b6 14.Rad1 Nd4 15.Bc4 gives White a large lead in development and good attacking prospects.
Premium Chessgames Member
  kevin86: An artistic comment: after white's 32nd move thirteen of the fourteen pawns are on the opposite color squares-g2 being the only holdout.

White manages a good break through-gaining three pawns and a piece for a rook. The win is on ice.

An Archie Bunker Bible quote:In pain shall yoos bring forth your children.

Feb-15-06  dakgootje: <g2 being the only holdout.> Pity <IMlday> didnt play g3 for the sake of the artistic eye ;-)
Premium Chessgames Member
  IMlday: <ReikiMaster> 42.Re5 wins at least a pawn. If ..Kh6 then 43.g4! breaks in. Or ..Qc6 43.Re6. ..Qc8 and ..Qd8 both lose the b-pawn. ..Rxe5 43.fxe5 is grim. It would be zugzwang except Re7+ is threatened.
Feb-15-06  Jack Kerouac: Mr.Day- Your Shakmat Issue 18 1971 photo is Groovy beyond current measures. May your combinations be deep!
Premium Chessgames Member
  WannaBe: Is the pun "what's the use?" Or is it from 'My Cousin Vinny' "What's a youts?"
Feb-15-06  mr. nice guy: Yoos to Day. Is that today's game?
Feb-15-06  dakgootje: <WannaBe> I think its your first option ("what's the use?")
Feb-15-06  dbquintillion: 43. Rxb5 is a wonderful move.
Premium Chessgames Member
  IMlday: The reasons I avoided g2-g3 were that it increases the range of Black's light-square ♗ (eg, gives it f3), and that it takes away the possiblity of ♖g3. I learned Closed Sicilians (g3) first, then considered Be2. A big point is that the g3-square is empty for {Q)d1-e1-h4 or g3. Plus obviously g3 and Bg2 is two tempi while Be2 is one. 6.♗c4 I've also tried many times. Once Black has played ..d6 it is strengthened since ..e6, ♘e7, ..d5 costs that extra d7-d6-d5 tempo. Also 6.♗b5 is of course natural. An example where it cancels out the ♘c6 is Miles vs Suttles, 1982 but Duncan was not in a healthy phase during that Indonesian tournament. I don't think the theoretical question of where the White ♗/f1 belongs has been answered yet.
The rest of the game is mostly technique; 33..♗xd6 thinking to make a blockade just doesn't work for tactical reasons.
Feb-15-06  EmperorAtahualpa: Great game!

Why is this variation called the "Grand Prix Attack"?

Premium Chessgames Member
  IMlday: The 'Grand Prix' referred to is the British swiss circuit in the early '80s. 1.e4 c5 2.f4 (or 2.Nc3 and 3.f4)was an effective weapon for the top players. It was hard to play against with Black when paired up. Eventually Mikhail Tal demonstrated 1.e4 c5 2.f4 d5!? (against Hartston) as a counter-gambit (though Larsen later declined and countered with 3.Bb5+). There may be some play left :-)
Premium Chessgames Member
  patzer2: The variations after the possibility 42. Re5! Kh6 43. g4! pointed out by <IMLday> are fascinating:

click for larger view

[Position after 42. Re5! Kh6 43. g4!]

Fritz 8 here gives the following possibility:

42Re5! Kh6 43. g4! Qd8 (43... hxg4 44. h5! ; 43... fxg4 44. Rxh5+ Kxh5 45. Qg5#) 44. Qg5+! Kh7 45. gxf5 Qxg5 46. hxg5 Rg8 47. Rd5 gxf5 48. Rxf5 Rd7 49. Rd5 Rgd8 50. Be5 Kg6 51. Rxb5 when Black will soon be crushed by the White's pawn roller.

Notice that the discovered attack 43. Rxb5! exploits Black's overworked Rook on b7 (can't guard both the mating threat and the pawn) to win a second decisive pawn.

Premium Chessgames Member
  patzer2: <IMLday> Great game! The positional exchange sacrifice 37. Rxd5! reminds me of some of Topalov's recent impressive victories. After 41...Re8? 42. Re5! it appears Black is busted.

In response to <ReikiMaster>'s question <does Black have any other (better than 41...Re8?) moves?, I was wondering what you think <IMLday> of the idea 41...Qe8! 42. Rd5 (42. d7? Qxd7 back fires on White) 42... Rcb8 43. d7 Rxd7 44. Qh8+ Qxh8 45. Rxd7+ Kg8 46. Bxh8 Kxh8 47. Kg3 (+0.78 @ 18 depth per Fritz 8). Do you see an improvement for White in this line? With strong play, can Black hold the draw after 41...Qe8?

Premium Chessgames Member
  patzer2: <IMl Day> I'm fascinated by 42. Re5! It really puts Black in a hopeless positional bind. I was wondering if this might technically be a zugzwang position, since all possible Black moves seem to significantly weaken his position? (e.g. 42...Kh6 43. g4! , 42...Rb8 43. Re7! , 42...Qd8 43. Rxb5! ).
Premium Chessgames Member
  ray keene: hi lawrence-very nice game of the day-the dark square domination strategy is not dissimilar to that in this win by nimzo which has just resurfaced after being mislaid for decades!! this is first publication i believe for about 70 years-i think it missed being published in the swedish press of the day for some reason and only apeared in a czech magazine-presumably these became scarce because of political and military events in the 1930's and onwards.

Nimzowitsch,A - Stoltz,G [B31] LOST AND FOUND

Fifth match game. Stockholm, 1934.

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.c3 Bg7 5.0–0 Qb6 6.Na3 Nf6 7.e5 Nd5 8.Bc4 Nc7

9.Re1 0–0 10.Bb3 Na5 11.d4 cxd4 12.Nxd4 Nxb3 13.axb3 d5 14.Nac2 f6 15.Bf4 g5 16.Bg3 f5 17.f3 f4 18.Bf2 Qg6 19.Kh1 a6 20.Qe2 Bf5 21.Rad1 Rac8 22.b4 e6

23.Rd2 Rf7 24.Rg1! Kh8 25.g4 fxg3? 26.Rxg3 Qh5 27.Ne3 Bh3 28.Ng4 Rcf8

29.Nf6! Qh6 30.Nb3 Bf5 31.Be3 Bxf6 32.exf6 Rg8 33.Qg2 e5 34.Bxg5 Qh5

35.Bf4 Bg6 36.Rg5 Qh4 37.Bxe5 Ne6 38.Rg3 Nf4 39.Qf2 Nh3 40.Qd4 Qh5

41.Qxd5 Re8 42.Qe6 Rg8 43.Rxh3 Qg5 44.Rg3 Qe3 45.Rdg2 Rd8 46.Nd4 1–0

Premium Chessgames Member
  IMlday: <patzer2> I think you may have isolated the losing move as 41..♖e8? when 42.♖e5! wins. Aside from 41..♕e8 there is the move I would have considered 'natural', 41..♖g8 which geometrically prevents the mates on h8 or g7. Though uncomfortable for Black after 42.♖e5 ♕g7 avoids the worst. Then 43.♕e6 ♕d7 44.♕xd7 ♖xd7
45.♖xb5 ♖xd6 46.♖c5 may still be winning for White, but not nearly as easily as the game continuation. <ray> Thanks. As colour theme games go I'm more familiar with light-square binds than dark. Typical was L Day vs O Cvitan, 1994 where Black had the 2600 rating but no pieces that could defend conveniently the light squares. :-) Teaching, and my teaching was generally limited to Canadian Junior Champions, I emphasized the concept of 'Nimzoglue' for colour square binds. Nimzovich, like Miles, may have had some dyslexia, a handicap in 'real life' but perhaps an advantage in chess? Inverting the board left to right doesn't make an iota of difference to evaluation or calculation; a light-square bind or a dark-square bind are essentially the same thing. Lubo Kavalek aptly described the style as 'diagonal players'. In the lost Nimzovich game the arrangement with W♗/e5 ♙f6 vs B♔h8 is pointedly diagonal and delightfully illustrative of the super Nimzoglue!
Premium Chessgames Member
  IMlday: <ray> Just to clarify, when Nimzo played 1.e4 c5 2.Nf3 Nc6 3.Bb5 I suspect he was thinking that he had everything he could hope for in a Nimzo-Indian. He was thinking like Black despite playing White. If that is 'vertical inversion' then 'horizontal' would be Miles playing 1.e4 c5 2.f4 as automatically as 1.d4 f5 2.c4 versus the Dutch. In the St. Petersburg tourney book Lasker annotates 1.d4 f5 2.g3 as 'A fantastic move' but then why not Spassky's 1.e4 c5 2.b3 by the same logic.
Feb-01-11  SafeNorSound: Jack's last name is pronounced "Yoes."
Premium Chessgames Member
  technical draw: Yoos to Day: "all my troubles seemed so far away, now it looks as though they're here to stay..."
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