Alexandru Manea vs Ciprian-Costica Nanu (2001)

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Alexandru Manea vs Ciprian-Costica Nanu
Romanian Championship 2000 (2001), Baile Tusnad ROU, rd 5, Feb-09
Pirc Defense: Classical Variation. Quiet System (B08) · 0-1

ANALYSIS [x]

FEN COPIED

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sac: 39...Bxb4	PGN: download \| view \| print	Help: general \| java-troubleshooting

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Sep-25-23		TrollKing: 40. ... h3. Either Black promotes or White takes the pawn and loses the Bishop.

Sep-25-23		Brenin: My idea was 39 ... h3 40 g4 (40 gxh3 Rxf3) h2 41 Ng3, tying the White N to defence of h1, and only then 41 ... Bxb4 42 Rb3 Bxc3+ 43 Kf1 Rd2, with a big advantage to Black.

Sep-25-23		Brenin: The shadow boxing in this game, from move 20 onwards, all for the sake of Black's h-pawn, is quite amusing. It is repeated around moves 32-34, this time with Black leading. At move 28, with the Black R on d3 attacked by the K on e2, and defended only by the N on c5, how did White miss 28 b4 axb4 29 cxb4, attacking the N and forcing 29 ... Rxe3+ 30 Kxe3 (or fxe3), thus winning the exchange?

Sep-25-23		Mayankk: I saw how 39 ... Bxb4 wins a few pawns on the Queenside after 40 Rb3 Bxc3+ 41 Ke2 Rd2+ and 42 ... Rxa2. Or 41 Kf1 b4 to lock up the Rook, target the a2 pawn and then let the c-b pawn pair to push towards their Queening squares. It seemed rather prolonged for a Monday solution though.

Sep-25-23		An Englishman: Good Evening: Always nice to have multiple paths to victory.

Sep-25-23		takebackok: Had to think a little Monday went for 39...h3 looks like the white queen side pawns will still be there for plucking.

Sep-25-23		perfidious: Not a true Monday POTD, but with some tactical points of interest. One way home appears to be 39....h3 40.g4 h2 41.Ng3 Bxb4, with the more direct 39....Bxb4 also possible, as 40.Rxa4 Bxc3+ wins.

Sep-25-23		mel gibson: A nice puzzle but a bit hard for Monday. Stockfish 16 says: 39. .. Bxb4 (39. .. Bxb4 (Be7xb4 Ke1-e2 Rd3xc3 Ra3xc3 Na4xc3+ Ke2-d3 h4xg3 Nf5xg3 Nc3xa2 Bf3-g4 Kf8-e8 Ng3-f5 Bb4-f8 Kd3-d2 Na2-b4 Bg4-e2 Nb4-a6 ) +4.27/47 240) score for Black +4.27 depth 47.

Sep-25-23		saturn2: 40....Rxc3 or Bxb4 win two pawns but white started with one more

Sep-25-23		TheaN: Think the key here is that after the text, the position as good as crumbles. Have to admit though, looked at h3 but somehow fased it out

Sep-25-23		scormus: 39 ... Bxb4 is the clearest way to win, but to make for a proper puzzle it should be ... h3. Even better would have been 39... Rxc3 40 gxc3 h3, but unfortunately that fails after 41 Kf1 (... h2 42 Kg2)

Sep-25-23		lentil: My first idea was 39 ... Nxc3. Har.

Sep-25-23		Pawn Slayer: I chose h3. Simple and decisive.

Sep-25-23		mel gibson: You guys are right 39. .. h3 is better. Stockfish 16 says: 39. .. h3 (39. .. h3 40. gxh3 (g2xh3 Rd3xf3 Nf5-e3 f7-f5 Ke1-e2 f5xe4 Ra3-b3 Na4-b6 Rb3-a3 Nb6-d5 c3-c4 Nd5xb4 c4xb5 c6xb5 Ra3-a5 Nb4-c6 Ra5-a8+ Kf8-f7 Ne3-g4 Nc6-d4+ Ke2-e1 Kf7-e6 Ra8-a6+ Be7-d6 Ke1-d2 b5-b4 Kd2-d1 Nd4-b5 Kd1-e1 Rf3-c3 Ng4-e3 Nb5-d4 Ke1-d1 Ke6-d7 Ne3-g4 Rc3-d3+ Kd1-c1 Rd3-f3 h3-h4 g5xh4 g3xh4 Kd7-e6 h4-h5 Rf3-f4) -4.60/43 286) score for White -4.60 depth 43.

Sep-25-23		dannydoc: I don’t see how Black wins from here?

Sep-25-23		Hercdon: I surprised myself, solving this rather subtle puzzle

Sep-25-23		Hercdon: Although I did not find h3, I found the actual game move

Sep-25-23		chrisowen: I wern quagmire hop caddy its jazz u Bxb4 acclaim mat h3 fell fog abluff frazzle again kong aqua Bxb4 cub h3 aka

Sep-25-23		Nasruddin Hodja: Er, I may be missing something, but after 39. ... h3, white seems to stop the h pawn after 40. g4 followed by : (a) 40. ... hxg2 41. Bxg2, (b) 40. ... Rxf3 41. gxf3 h2 42. Ng3, or (c) 40. ... h2 41. Ng3. In each of the three cases, black would then have to play ... Bxb4 on the next move in order to win. But then, why not play Bxb4 on move 39? So 39. ... Bxb4 or possibly 39. ... Rxc3 seem to be the correct moves.

Sep-25-23		Lambda: Black stands far better after 39...h3 40.g4 h2 41.Ng3 Bxb4 than after just the immediate 39...Bxb4 because he has a pawn one square away from queening, (which is really difficult to attack,) and white's knight cannot participate in the rest of the game because it has to prevent the pawn from queening, and white has to watch out for a rook coming along to give support to the pawn. Adding some additional moves which improve your position is a good idea.

Sep-26-23		Steve Holloway: I wouldn't have resigned here. There's a long way to go.

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