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Musaiev vs Mazhmudin Karmov
"Back in the USSR" (game of the day Jul-08-2010)
USSR (1979)
Queen's Gambit Declined: Semi-Tarrasch Defense. Main Line (D42)  ·  0-1



Annotations by John Nunn.      [5 more games annotated by Nunn]

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sac: 12...Qd5 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
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Aug-27-06  aazqua: A good example of whoever knows the opening best wins. Imagine having to memorize lines like this?
Aug-27-06  aazqua: How amusing - this is the only game for either player in the database.
Aug-27-06  monad: <10...Nxc3 11.Qc1 and now what?>

I too was inclined to dismiss this game as bland and uninteresting. Just as well that John Nunn's notes led me on to that remarkable move 12...Qd5.

Even after looking at it once played by Black, I couldn't see it working out. What insight. Pity history doesn't tell us how long it took Karmov to come up with it.

Great entertainment for a Sunday puzzle.

Aug-27-06  EmperorAtahualpa: <How amusing - this is the only game for either player in the database.>

Indeed. Pretty amazing play from these unknown guys though. Respect!

Of course, I came nowhere near finding the solution to today's puzzle.

Aug-27-06  jahhaj: This game I Novikov vs J L Edelson, 2002 shows what hapens if Back tries to grab the pawn with 11...Nxd1? instead of 11...Nxb4!.
Aug-27-06  TrueBlue: saw the first move right away ...
Aug-27-06  Chess Carnival: Caro-kann? Is this really a Caro-kann??
Aug-27-06  hitman84: <Caro-kann? Is this really a Caro-kann??>

<ChessCarnival>The postion after move 8 has transposed into a Caro-Kann Panov.

Aug-27-06  kevin86: This game seems to be a strange mixture of briiliant play and blunder. Sometimes-it's hard to tell which!

Even the opening itself was odd----tranposing from a queen gambit to a Caro-Kann!

Premium Chessgames Member
  mahmoudkubba: <kevin86> & <others>: How did u assumed it as a Caro-Kann?? which moves are the ones for the transposing?
Aug-27-06  RandomVisitor: 15.Bb3 N1xf2 16.Bc2! = .
Premium Chessgames Member
  An Englishman: Good Evening: Not. Even. Close. It is curious that the opening is classified as a Caro-Kann, since it arose from the Semi-Tarrasch and also transposed into the Nimzo-Indian. The position after 8...Bb4 allegedly arises from more openings than any other. I suppose that by classifying this position--no matter how it arose--as B14, you simplify the research for people seeking to learn how to play this opening.
Aug-27-06  RandomVisitor: After 10...Nxc3 11.Qc1 Nd5 12.axb4 Ncxb4 (24-ply)
1: Musaiev - Karmov, USSR 1979

click for larger view

Analysis by Rybka 2.1c mp:

1. = (0.00): 13.Be4 Qb6 14.0-0 0-0 15.Qc5 Qxc5 16.dxc5 f5 17.Bxd5 Nxd5 18.Ne5 Nf6 19.Rfd1 Rd8

2. = (-0.25): 13.Bxh7 Rxh7 14.Rxa5 Nd3+ 15.Ke2 Nxc1+ 16.Rxc1 b6 17.Ra3 a5 18.h4 Ba6+ 19.Kd1 f6

(, 27.08.2006)

Aug-27-06  Tariqov: You can't trust a computer ALL the time.
Sep-03-06  patzer2: I suspect Rybka's long and deep analysis in <Random Visitor>'s post is correct in assessing that with near perfect play that Black "only equalizes" after the surprise daily puzzle solution 10...Nxc3! and the followups 11...Nxb4! and 12...Qd5!!, offering up the Queen (not once but twice consecutively!!) as a sham sacrifice for positional advantage.

However, finding that equalizing line may not be so easy OTB for White. For example, consider that White had to find the subtle 12. Be4! just to survive with equality as other likely possibilities strongly favor Black:

If 12. Bxc3?!, then 12...Nxd3+ 13. Kd2 Qf5 strongly favors Black.

If 12. Rxa5??, then 12...Nxd3+ 13. Kf1 Nxd1 wins immediately.

Also, earlier White was probably wise to play 11. axb4 and avoid the possibilities 11. Qc1?! Nxd4!! and 11. bxc3 Bxc3 .

If Black gets nothing but "equality" after only ten moves in this line of the QGD Tarrasch, which does not seem to be considered reliable enough for serious competition by today's GMs, I would consider this a strong positional Queen sacrifice combination. As GM Keene once indicated in a post on this site, not all strong combinations necessarily lead to a forced win.

Sep-03-06  patzer2: <Random Visitor> <As far as Nunn's 15.Bb3 N1xf2 16.Ke2 Bd7, there is 17.Rhb1 and Rybka now thinks that White has a slight advantage. If 17...Bb5 18.Ba4.> I like Nunn's 15.Bb3 N1xf2 16.Ke2 Bd7 for White, but after 17. Rhb1 Bb5 the suggestion 18. Ba4?? seems to lose to 18...Nf4+! . Instead, here 18. Ke3! seems to be OK for White.
Jul-08-10  ounos: This game reminds me of Alice in Wonderland.
Jul-08-10  4tmac: An old boring "played out" opening, no less. You just have to use your imagination! ;) :)
Jul-08-10  kellmano: What an amazing game. Have Nunn's comments that black gets an advantage in every line after ......N x b4 survived computer analysis?
Jul-08-10  kevin86: A wild and wooly one! Sharp play and blunders collide!
Jul-08-10  Arcturus: Not much info on this game, has the feel of a correspondence game to me. Either way a great game for the spectator.
Premium Chessgames Member
  chrisowen: A Musaiev not very wise, calm of Karmov sees the day. Qa5 reading a3 intentions castle book a file but knight in puts cat among the pigeons. Time for arranging setback, inrush Nxb4! a howl goes up worm has turned. Page bishop does a 180 hands free e4 choice. Yet i think Nunn is black and white shares a good covenant. Qd5 cuts across at enough ex-changing now queens off and kings stand is a short lived one. Minus 10.a3 a beauty isnt it?
Jul-08-10  I Like Fish: confusing ...
how pieces move ...
Jul-10-10  4tmac: 12....Q-Q4!
Aug-28-18  whiteshark: <"The critical line is 15.Bb3 N1xf2 16.Ke2 Bd7!" -Nunn <RandomVisitor: 15.Bb3 N1xf2 16.Bc2! = .>>

click for larger view

Black to move

1) -0.53 (33 ply) 15...N1xf2 16.Bc2 Bd7 17.Rg1 a5 18.Ra3 Bb5 19.Rb3 Ba6 20.Ke2 O-O 21.Rxd3 Nxd3 22.Bxd3 Rfc8 23.Ra1 b6 24.g4 f6 25.Bxa6 Rxa6 26.Kd3 a4 27.Bb4 b5 28.Nd2 Rd8 29.Ke3 Rc6 30.b3 Ra8 31.Bc5 e5 32.bxa4 exd4+ 33.Bxd4 Rxa4 34.Rxa4 bxa4

2) =0.00 (32 ply) 15...N1xb2 16.Ke2 Bd7 17.Ke3 e5 18.Rhb1 exd4+ 19.Nxd4 Rc8 20.Rxa7 O-O 21.Ba5 Rfe8+ 22.Kd2 Re5 23.Bc3 Nxf2 24.Bxb2 Ne4+ 25.Kd3 Nf2+ 26.Kd2

3) +1.18 (32 ply) 15...N3xf2 16.Rg1 Bd7 17.Bxd1 Nxd1 18.Rxd1 Bc6 19.Kf2 f6 20.Rc1 O-O 21.Rc5 Rfd8 22.Be3 Rd7 23.Rgc1 Rad8 24.b4 a6 25.g4 Kf7 26.Kg3 h6 27.h4 g5 28.h5 Kg7 29.Bf2 Kf7 30.Re1 Rc8 31.Rc3 Rdd8 32.Nd2

6.0 minute analysis by Stockfish 9 v010218

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