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Viacheslav Ragozin vs Peter Romanovsky
Leningrad (1927), Leningrad URS
Zukertort Opening: Nimzo-Larsen Variation (A04)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Given 33 times; par: 42 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Aug-14-12  backrank: <bharat123: Rogin played very passive. Conceded the centre,and space. His queen side counter play did not take off. all these resulted in a vastly superior strategic position for black. The move Rxf2 is relatively simple in such asuperior positions.>

Agreed! As Fischer commented on one of his own games: 'As usual, tactics flows from a positionally superior game.'

Aug-14-12  5leafclover: I once played an OTB game when I moved bishop, my only developed piece, 3 times in the opening, third time to sac it on h2! Won the brilliancy prize. Don't have the score, though: submitted the only copy for the prize:).
Jun-05-20
Premium Chessgames Member
  Predrag3141: Yeah 18 … Rf2 is screaming to be played. I saw 19 Nxe4 and planned 19 … Rxg2 (almost equivalent to the game at -11.21 instead of -12.15), then clicked in to see what was played. With a pin like the one along the long white diagonal, how can you go wrong?
Jun-05-20
Premium Chessgames Member
  al wazir: I got the first move, 18...Rf2. (It was either that or 18...Nxg3.)

But after that I was totally at sea.

Jun-05-20  bcokugras: Why didn't white play 18. Nxe4 rather than 18. Ng5?
Jun-05-20  NBZ: <5leafclover> A tragedy that can one hopes will never be repeated, now that smartphones are here to stay forever.
Jun-05-20  NBZ: <bcokugras> 18. Nxe4 Nxb4! is perhaps what White was worried about? Still, it looks a lot better than what happened to White in the game.
Jun-05-20  stacase: I didn't see that 20...Rxg2+ will result in pinning White's nasty e4 Knight if White accepts the Rook sacrifice. Otherwise I was happy to see the first two moves.
Jun-05-20
Premium Chessgames Member
  scormus: <5leafclover> :'(
Jun-05-20
Premium Chessgames Member
  OhioChessFan: I will admit 18...Rxf2 is the best move, but I would assuredly play 18...e3 in this position.
Jun-05-20  Brenin: A spectacular finish. The first move 18 ... Rxf2 is easy to see, but there are at least four other apparently winning moves: sacs on g3 and b4, and pawn pushes d3 and e3.

<bcokugras>: If 18 Nxe4 then Nxb4, e.g. 19 axb4 Bxe4, winning the exchange. White loses, though less dramatically than in the game.

Jun-05-20
Premium Chessgames Member
  scormus: I didn't get very far with this, the difficulty was deciding what W would do after 18 .... Rxf2. I thought the threat of 19 .... Rxg2+ was so strong that I went with 19 Kxf2 Qxg3+ 20 Kf1 Rf8+.

The engine agrees that line is crushing, and 19 Ndxe4 is not much better for W. It gave W's best try as 19 Nf1. I didn't consider that, I suppose because I'm emotionally blocked from moving pieces backwards to defend. It's still hopeless for W: 19 ... d3 20 Qd1 Rxe2 21 Bxe4 Bxb2 22 Rxb2 Rxb2 (-10.8)

Jun-05-20  lost in space: <<OhioChessFan:> I will admit 18...Rxf2 is the best move, but I would assuredly play 18...e3 in this position>

Same here

Jun-05-20  Everett: Lots of winning moves on 18... and like others would have fallen upon 18..e3, even though being attracted to 18..Nxg3 originally (also winning).

White has a really terrible position. It’s important to remember how inadequate rooks are in defense in general, especially in this game. Positionally, Black is up two rooks in the position, so sacrificing some material is no big deal.

Jun-05-20
Premium Chessgames Member
  agb2002: White threatens to capture the pawn on e4.

Black has several interesting moves: Rxf2, Nxg3, e3, d3.

In the case of 18... Rxf2:

A) 19.Kxf2 Qxg3+ 20.Kf1 (20.Kg1 Nf4 wins) 20... Nxb4

A.1) 21.axb4 e3 22.Nd(g)e4 Rxe4 23.Nxe4 (23.Kg1 Nf4 wins) 23... Bxe4 wins.

A.2) 21.Qd1 e3 22.Nge4 (22.Qe1 Qxg2#) 22... Rxe4 23.Qe1 (23.Nxe4 Bxe4 wins) 23... Rf4+ 24.Nf3 (24.Bf3 Qh2 with the double threat Qh1# and Ng3+) 24... Qh2 25.Qc1 Ng3+ 26.Ke1 Qxg2 looks winning.

B) 19.Ngxe4 Nxb4

B.1) 20.axb4 Rxg2+

B.1.a) 21.Kxg2 Qxg3+ 22.Kf1 (22.Kh1 Nf4 23.Rg1 Qxh3#) 22... Bxe4 23.Qxe4 (23.Nxe4 Rf8+ and mate in two) 23... Rxe4 24.Nxe4 Qxh3+ and another check wins the knight.

B.1.b) 21.Kh1 Qxg3 22.Nxg3 Nxg3#.

B.1.c) 21.Kf1 Nxg3+ 22.Kxg2 (22.Nxg3 Qxg3 wins; 22.Ke1 Rxe2+ wins decisive material) 22... Nxe4, with the double threat Qg3+ and Nxd2+, looks winning (23.Nxe4 Bxe4+ wins decisive material).

B.2) 20.Qc1 Rxg2+ as above.

C) 19.Ndxe4 Rxg2+ 20.Kxg2 Nxb4 as above.

Jun-05-20  saturn2: I thought white accepts the sacrifice and for rook white gets N+P and strong attack.

For example
18...Rxf2 19. Kxf2 e3+ 20. Kg1 exd2 21. Qxd2 Qxg- 3 

It seems very hard to calculate all the lines in a normal game.

Jun-05-20  morfishine: Ingenious attack
Jun-05-20  perfessor: I have often wondered what happens if you move most of your pieces away from your king, and give your opponent a big mobile center.

Now I know.

Jun-05-20  pixel pusher: Yep, another game to remind me I suck at Chess. Still my favorite game though!
Jun-05-20  cormier: 8. c4 better is 8.Ne5 Nxe5 9.Bxe5 Be6 10.c4 Qd7 11.Nd2 Rad8 12.Nf3 Bg4 = +0.06 (22 ply
Jun-05-20  TheaN: Typical. I looked long enough at what is objectively the best move 18....Rxf2!! (holy damn does this sac go deep) but couldn't make it work.

However, normally it's the only winning move. I decided upon <18....e3 -+> realizing White's in big trouble anyway, and I'm not wrong. It's -8 vs -6. 19.Bd5+ Kh8 just brings another piece away from the king, obviously 19.fxe3 Qxg3 is horrible, but I wouldn't say White's doing well after 19.Nde4, where 19....Rxf2! is once again best, but even 19....exf2+ 20.Nxf2 Qxg3 -+ wins and then Black has just played natural moves.

Very flashy correct sac but White defeated himself a few moves ago, mainly the appalling 16.Rfb1, e4 -+. I'm actually taking credit for 18....e3, as White falls apart completely.

Jun-05-20
Premium Chessgames Member
  Predrag3141: < perfessor I have often wondered what happens … Now I know. > LOL!
Jun-05-20
Premium Chessgames Member
  Jambow: <OhioChessFan: I will admit 18...Rxf2 is the best move, but I would assuredly play 18...e3 in this position.>

My self as well because obviously it breaks the base of the pawn chain protecting the king who is in solitary confinement. Then too black was a powerful assault that will follow on G3 bringing power that intuition says should be devastating.

That being said Rxf2 probably is the best move.

Jun-05-20
Premium Chessgames Member
  Jambow: <TheaN> good enough for me I'll take some of that and give a piece to OCF as well.
Jun-05-20  RandomVisitor: After 18.Ng5


click for larger view

Stockfish_20060117_x64_modern:

<43/66 5:30:18 -23.55 18...Rxf2 19.Nf1> d3 20.Qd2 Rxe2 21.Bxg7 Qxg7 22.Re1 Rxd2 23.Nxd2 Qd4+ 24.Kh2 e3 25.h4 Qb2 26.Nde4 h6 27.Reb1 Qe5 28.Nf7 Kxf7 29.Rg1 e2 30.bxc5 d2 31.Nd6+ Kg8 32.Bd5+ Kf8 33.Raf1+ exf1N+ 34.Rxf1+ Kg7 35.Nxe8+ Qxe8 36.cxb6 Qe2+ 37.Kg1 d1Q

43/84 5:30:18 -14.34 18...e3 19.Bd5+ Kh8 20.f4 exd2 21.Rf1 Nxg3 22.Qxd2 Nxe2+ 23.Kh1 h6 24.Ne4 Rxe4 25.Bxe4 Ng3+ 26.Kg1 Nxe4 27.Qh2 Ne5 28.fxe5 Rxf1+ 29.Rxf1 Ng5 30.e6 Be5 31.Rf8+ Kg7 32.Qf2 Nxh3+ 33.Kf1 Nxf2 34.Rf7+ Qxf7 35.exf7 Nd3 36.Ba1 cxb4 37.axb4 Nxb4

43/74 5:30:18 -13.85 18...Nxb4 19.Qxe4 Bxe4 20.Ngxe4 Nc2 21.Ra2 Be5 22.Nf1 Qf7 23.Bc1 Qxc4 24.Rbb2 Ne3 25.Bxe3 dxe3 26.Rc2 exf2+ 27.Kh1 Qb3 28.Ned2 Nxg3+ 29.Nxg3 Qxg3 30.Nf1 Qh4 31.a4 Bd4 32.Ra3 Qh5 33.e4 Qd1 34.Rd2 Qc1 35.Rad3 Qa1 36.a5 Qxa5 37.Bf3 Rf4

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