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Mikhail Markovich Umansky vs The World
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Can a group of chess amateurs team up to beat a grandmaster?  Find out in the Chessgames Challenge!  You can vote for the move you think is best, and discuss the game with other members on this page.

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[Mikhail Umansky]

[flip board] GAME OVER: 1/2-1/2 [flip board]

MOVES:
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.g3 dxc4 6.Bg2 Nbd7 7.a4 Bb4 8.O-O O-O 9.Qc2 a5 10.Rd1 Qe7 11.Na2 Bd6 12.Qxc4 e5 13.Qc2 exd4 14.Nxd4 Nc5 15.Nc3 Rd8 16.Rb1 Bc7 17.h3 Be5 18.Be3 Na6 19.Qc1 h5 20.Ra1 Nb4 21.Nf3 Rxd1+ 22.Nxd1 Bc7 23.Bd4 Nfd5 24.Ra3 Bf5 25.Ne3 Be4 26.Bc5 Qe8 27.Nxd5 Nxd5 28.Ng5 Bxg2 29.Qc2 Be4 30.Nxe4 Qe5 31.h4 f6 32.Rf3 Re8 33.Ng5 fxg5 34.Qg6 Nf4 35.gxf4 gxf4 36.Rxf4 1/2-1/2
GAME OVER thank you for playingit is now 23:43:35
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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 167 OF 494 ·  Later Kibitzing >
Apr-01-09
Premium Chessgames Member
  ajile: <kwid: Apr-01-09 < DanLanglois: <kwid:> you aren't giving the team enough 'credit' for playing it safe w/9...a5.>

Yes you are right. But he faced a5 in a cc encounter before thus I expected an improvement from him in this line. I would not have been surprised at all to see Ne5 played without a4 which would have been more reflective of his previously demonstrated playing style.

When trying to find an excuse for his mediocre performance so far,we could speculate that he did not anticipate the human view based a5 played from us.>

I think 9..a5 was a super sleeper great move. Goodbye to any q-side chances/expansion for White.

:o)

Apr-01-09   kormier: m.umansky wish to play a very long game,hoping for lettle advantage.He even might be temped to show us how great is his superiority with a move like RxB not to far ahead.It will only be easier for us ,by,by.
Apr-01-09
Premium Chessgames Member
  SoltanGris: At 23,22 ply, Rybka sees ther following:

1. = (0.00): 11...Bd6 12.Qxc4 e5 13.Qc2 exd4 14.Nxd4 Nc5 15.Nc3 Be5 16.Nf3 Bd6 17.Nd4 Be5

Apr-01-09
Premium Chessgames Member
  chrisowen: Excellent, lets double our efforts...if not ha get tips for the team. If you sight a pet variation tell us of it, we're obviously not all fools, I get paths of little strings.
Apr-01-09   WhiteRook48: I voted 11...Bd6, someone deleted my vote, and then I had to vote 11...Bd6 again! How dumb!
Apr-01-09
Premium Chessgames Member
  zsoydd: .

Hi team,

we have the freedom to 'enforce': 11.Na2 Bd6 12. Qxc4 e5 13.Qc2 Re8 14.Nc3 h6 15.e4 Bc7

Deviations of White look suspicious.

If 16.d5 is good for Black, we should avoid earlier exd4 (like explained many pages ago: e4 hurts White -> weak king periphery).

Would be nice if someone with strong HW could check the consequences of 16.d5 for 2 hours or more (if not done already).

Have a good night,
zsoyd

Apr-01-09
Premium Chessgames Member
  kb2ct:

I am convinced that this will be the main line of the Catalan in the future. It will likely be found by Sokolov. Not winning but definitely not 0.00

:0)

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5.
g3 dxc4 6. Bg2 Nbd7 7. a4 Bb4 8. O-O O-O 9. Qc2 a5 10. Rd1 Qe7 11. Bf4 Nd5 12. Bg5 f6 13. Bd2 N7b6 14. e4 Nc7 15. Na2 Na6 16. Nxb4 Nxb4 17. Qc3 Bd7 18. b3 cxb3 19. Qxb3


click for larger view

Apr-01-09
Premium Chessgames Member
  zsoydd: .

I wonder more and more why our opponents nearly always use their full think time

I'd not leave a team-opponent time to breathe

the less time a team has the more chaotic and erratic the decision process becomes

Apr-01-09
Premium Chessgames Member
  zsoydd: .

Hi Ken,

it's no big secret that after 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 the ShiSha gambit is much more dangerous for Black than any Catalan formation.

Best greetings,
zsoyd

Apr-01-09
Premium Chessgames Member
  DanLanglois: <kwid: Now for the record sake what is the correct ECO designation for this opening? Is it the "D16 Slav; Soultanbeieff Variation", or EO4,EO7,EO8,D11,D43 D46? >

For those who are curious, a D16 has this move order:

1. d4 d5
2. c4 c6
3. Nf3 Nf6
4. Nc3 dxc4
5. a4

I won't run through all of the alternatives, our game is a D43.

Apr-01-09
Premium Chessgames Member
  kb2ct:

It is important to understand why Rybka takes a draw by repetition in the following position.

:0)

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5.
g3 dxc4 6. Bg2 Nbd7 7. a4 Bb4 8. O-O O-O 9. Qc2 a5 10. Rd1 Qe7 11. Na2 Bd6 12. Qxc4 e5 13. Qc2 exd4 14. Nxd4 Nc5 15. Nc3 Be5


click for larger view

Apr-01-09
Premium Chessgames Member
  SoltanGris: After 11...Bd6 12.Qxc4 e5 13.Qc2, I let Rybka cogitate for 22 ply. It came up with 13...exd4 14.Nxd4 Nc5 15.Nc3 Be5 16.Nf3 Bd6 17.Nd4 Be5 as a continuation


click for larger view

Black has the Q side pawn majority, but white has a K side majority plus a Bishop bearing down on c6, b7 and a8. It's even.

Apr-01-09   Dionyseus: <kwid> <Now for the record sake what is the correct ECO designation for this opening? Is it the "D16 Slav; Soultanbeieff Variation", or EO4,EO7,EO8,D11,D43 D46? >

E01, Catalan with early deviations.

Apr-01-09
Premium Chessgames Member
  DanLanglois: For those who are curious, a E01 has this move order: 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2

Our game is a D43.

Apr-01-09
Premium Chessgames Member
  DanLanglois: <Dionyseus>, we were debating the ECO designation 100 pages ago, page 66.
Apr-01-09
Premium Chessgames Member
  kb2ct:

<SoltanGris: After 11...Bd6 12.Qxc4 e5 13.Qc2, I let Rybka cogitate for 22 ply. It came up with 13...exd4 14.Nxd4 Nc5 15.Nc3 Be5 16.Nf3 Bd6 17.Nd4 Be5>

In all likelyhood the natural 16. Pe4 is met by 16...Bg4 when 17. Pf3 is met by 18...Rfd8 with massive exchanges on d4.

All it takes is one negative centipawn to make Rybka take a rep.

:0)

11...Bd6 12.Qxc4 e5 13.Qc2exd4 14.Nxd4 Nc5 15.Nc3 Be5 16. Pe4 Bg4 17. Pf3 18. Rfd8

Apr-01-09
Premium Chessgames Member
  kb2ct:

<zsoydd>

ShiSha is Egyption Arabic for a water pipe or hookah. I always called 7. Pg4 the Shirov-Shabalov Gambit, but calling it the ShiSha makes good sense.

:0)

Apr-01-09
Premium Chessgames Member
  Ron: My vote is for 11. ... Bd6, preserve the bishop.
Apr-01-09
Premium Chessgames Member
  kb2ct:

Not that it matters much, but at 21 ply Rybka 2 still prefers 16. Pe4

:0)

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5.
g3 dxc4 6. Bg2 Nbd7 7. a4 Bb4 8. O-O O-O 9. Qc2 a5 10. Rd1 Qe7 11. Na2 Bd6 12. Qxc4 e5 13. Qc2 exd4 14. Nxd4 Nc5 15. Nc3 Be5


click for larger view

Analysis by Rybka 2.3.2a 32-bit at 21 ply

1. = (0.03): 16.e4 Bg4 17.f3 Rfd8 18.Be3 Ne6 19.Nde2 Bh5 20.Nf4 Bd4 21.Bxd4 Nxd4 22.Qf2 Nb3

2. = (0.00): 16.Nf3 Bd6 17.Be3 Re8 18.Na2 Nce4 19.Nc3 Nc5 20.Na2 Nce4 21.Nc3 Nc5 22.Na2 Nce4

Apr-02-09   SamAtoms1980: Hmmm..... When I tried voting for my 'move', it kept saying "Error: YOU CANNOT RESIGN FOR THE OTHER SIDE."

Okay, enough clownery now that April Fools Day is over.

I deferred to my free edition of Fritz 6 (thank you ChessBase) and let it run for about 24 hours overnight and during the day while at work. After analyzing to 21 ply, it comes up with:

1. = (+0.06) 11 ... Bd6 12 Qxc4 e5 13 Qc2 exd4 14 Nxd4 Nc5 15 Bg5 h6

2. = (+0.19) 11 ... Nb6 12 Nxb4 axb4 13 a5 b3 14 Qd2 Nbd7 15 Ne5 Nxe5 16 dxe5

3. ± (+0.31) 11 ... e5 12 dxe5 Nxe5 13 Nxe5 Qxe5 14 Nxb4 axb4 15 Qxc4

Why give GMMU the two bishops in an open position? Yo quiero 11 ... Bd6

Apr-02-09
Premium Chessgames Member
  chessgames.com: <The Rinus Scholarship>

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Apr-02-09
Premium Chessgames Member
  M.Hassan: voted 11...Bd6 for the poll
Apr-02-09   Karnatakiaditya: Bd6 for the poll
Apr-02-09   kkshethin: Voted 11...Bd6.
Apr-02-09
Premium Chessgames Member
  kb2ct:

Rybka 3 takes a rep, Rybka 2 doesn't
Rybka 3 has everything other than the rep as negative I will post Rybka 3 later,

:0)

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5.
g3 dxc4 6. Bg2 Nbd7 7. a4 Bb4 8. O-O O-O 9. Qc2 a5 10. Rd1 Qe7 11. Na2 Bd6 12. Qxc4 e5 13. Qc2 exd4 14. Nxd4 Nc5 15. Nc3 Be5


click for larger view

Analysis by Rybka 2.3.2a 32-bit at 24 ply

1. = (0.02): 16.e4 Bg4
2. = (0.01): 16.Nf3 Bd6

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