Friday, May 7, 2010

The Killing Blow (Part I)

It is annoying to play a familiar opening line – only to slip and end up in grave danger. There is little margin for error in any variation of the Jerome Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+).

While I awaited the killing blow, I consoled myself with something IM Gary Lane wrote in one of his "Opening Lanes" columns at ChessCafe:
It is always fun to find an opening which can cause confusion with something unusual. The psychological impact can be huge and the hapless opponent is obliged to consume large amounts of time coping with the new situation.
ICCF Senior IM Tim Harding was equally philosophical in one of his "The Kibitzer" columns, also at ChessCafe
One of Black's (psychological) problems is that... looks so obviously unsound that it is hard to decide which "refutation" to adopt. Psychologically, opponents often don't play in a stable and rational way when they believe their game is won from a very early stage and they tend to underestimate their opponents
Lane and Harding were not writing specifically about the Jerome Gambit, but they could have been.

perrypawnpusher  - KenWhitaker
blitz 6 12, FICS, 2010


1.e4 e5 2.Nf3 Nc6 3.Bc4 h6


The Semi-Italian Opening.

4.0-0 Bc5 5.Bxf7+


The Semi-Italian Jerome Gambit.

5...Kxf7 6.Nxe5+ Nxe5 7.Qh5+ Ng6


Counting this game, I have had this position 10 times, and scored 9 1/2 points. I was feeling comfortable, while my opponent was already eating into his time.

8.Qd5+

It is, of course, possible to capture the Bishop directly with 8.Qxc5, (see RomanDurdis - ifufocop, FICS, 2005, abhailey - cumelen,mm Open Fast #1, net-chess.com, 2008 and Black Puma - TWODOGS, JGTourney4, ChessWorld, 2009) but I prefer the "nudge" to give my opponents more to think about.

8...Ke8


Alternatives: 8...Kf8 9.Qxc5+ d6 (9...N8e7 10.Nc3 b6 11.Qe3 Bb7 12.f4 d5 13.f5 d4 14.fxg6+ Kg8 15.Qf4 dxc3 16.Qf7 checkmate, perrypawnpusher - sarBear, blitz FICS, 2009) 10.Qe3 N8e7 11.d4 Kg8 12.Nc3 Kh7 13.f4 Rf8 14.f5 Nh8 15.g4 Kg8 16.g5 hxg5 17.Qxg5 Nf7 18.Qg3 Nc6 19.f6 g5 20.Bxg5 Nxg5 21.Qxg5+ Kf7 22.Qg7+ Ke6 23.d5+ Ke5 24.Qg3+ Kd4 25.Qd3+ Ke5 26.Qg3+ Kd4 27.Qd3+ Ke5 28.Qg3+ Kd4 29.Qd3+ Ke5 30.Qg3+ Kd4 31.Qd3+ Ke5 32.Qg3+ Kd4 draw,  perrypawnpusher - pascalwilliams, blitz FICS, 2007; and
 
8...Kf6 9.Qf5+ Ke7 10.Qxc5+ Ke8 11.f4 d6 12.Qe3 Qf6 13.f5 Ne5 14.d4 Nc4 15.Qg3 Qxd4+ 16.Kh1 Kd7 17.Nc3 b6 18.Bf4 Ba6 19.Rad1 Qc5 20.Qxg7+ Ne7 21.e5 Rag8 22.e6+ Kc6 23.Qxe7 Re8 24.Qd7+ Kb7 25.b3 Nd2 26.Bxd2 Bxf1 27.Rxf1 Qd4 28.f6 Rhf8 29.Nb5 Qxd2 30.Qxc7+ Ka6 31.Qxa7+ Kxb5 32.Qd7+ Ka6 33.e7 Qe2 34.Rg1 Rxf6 35.Qxe8 Rf1 36.Qa8+ Kb5 37.e8Q+ Qxe8 38.Qxe8+ Kb4 39.Rxf1 Black resigned, perrypawnpusher - episodeninetynine, blitz FICS, 2009.

9.Qxc5 d6


Not quite as good is 9...Qe7, as in 10.Qe3 Nf6 11.Nc3 c6 12.f4 b6 13.f5 Ne5 14.d4 Ba6 15.dxe5 Qxe5 16.Re1 Kf7 17.Qf3 Rhe8 18.Bf4 Qc5+ 19.Be3 Qb5 20.Bd4 Qxb2 21.e5 Nd5 22.e6+ Kg8 23.Qg4 Nxc3 24.Qxg7checkmate, perrypawnpusher - Cibola, blitz FICS, 2009.

Creative alternatives are : 9...b6 10.Qe3 Bb7 11.Nc3 Nf6 12.f4 Qe7 13.d3 d6 14.f5 Nf8 15.Bd2 Kd7 16.Rae1 Re8 17.Qd4 Kc8 18.Qa4 Kb8 19.Nb5 Ba6 20.Qxa6 Qd8 21.Qxa7+ Kc8 22.Qa8+ Kd7 23.Qxd8+ Kxd8 24.Bc3 N8d7 25.Nd4 c5 26.Ne6+ Ke7 27.Nxg7 Reg8 28.Bxf6+ Kxf6 29.Ne6 Re8 30.Re3 b5 31.Rg3 b4 32.Rg6+ Black lost on time, perrypawnpusher - BHAseagull, blitz FICS, 2010; and

9...N8e7 10.f4 d6 11.Qe3 Rf8 12.f5 Ne5 13.d4 Ng4 14.Qg3 h5 15.h3 Nf6 16.e5 Ne4 17.Qe3 d5 18.f6 gxf6 19.exf6 Nc6 20.Qh6 Rf7 21.Bg5 Nxd4 22.Nc3 Nxg5 23.Qxg5 Ne6 24.Qg8+ Rf8 25.f7+ Ke7 26.Qg6 Qd7 27.Rae1 c6 28.Qf6+ Kd6 29.Qe5+ Ke7 30.Qf6+ Kd6 31.Qe5+ Ke7 32.Qxh5 a6 33.Qg5+ Kd6 34.Qe5+ Ke7 35.Qg7 Kd8 36.Rxe6 Qxe6 37.Qxf8+ Kc7 38.Qe8 Bd7 39.Qxe6 Bxe6 40.f8Q Rxf8 41.Rxf8 b5 42.g4 Kd7 43.Kg2 Ke7 44.Ra8 d4 45.Ne2 b4 46.Rxa6 Bc4 47.Rxc6 Bxe2 48.Kf2 Bb5 49.Rb6 Ba4 50.b3 Bd7 51.Rxb4 Kf6 52.Rxd4 Bb5 53.a4 Be8 54.a5 Kg5 55.Kg3 Bc6 56.a6 Bh1 57.h4+ Kf6 58.a7 Ke5 59.Rd8 Black resigned, perrypawnpusher - apinheiro, blitz FICS, 2010.

10.Qe3 Nf6



Or 10...Qf6 11.f4 N8e7 12.Nc3 c6 13.f5 Ne5 14.d4 Nc4 15.Qd3 b5 16.b3 Nb6 17.Bf4 Nd7 18.Rae1 Qf7 19.Bxd6 Nf6 20.Bxe7 Kxe7 21.e5 Nd5 22.f6+ Kf8 23.fxg7+ Kxg7 24.Rxf7+ Kxf7 25.Qf3+ Ke7 26.Nxd5+ Kd8 27.Qf6+ Kd7 28.Qe7checkmate, perrypawnpusher - saltos, blitz FICS 2009.

Provocative was 10...Ne5 11.d4 Ng4 12.Qg3 N8f6 13.Nc3 Be6 14.h3 Bc4 15.Re1 Qd7 16.hxg4 Nxg4 17.f3 Nf6 18.e5 Nh5 19.exd6+ Kf7 20.Qh2 g6 21.Re7+ Black resigned, perrypawnpusher - Kotimatka, blitz FICS, 2009

11.d4

Slightly better might have been 11.f4 Qe7 12.d3 d5 13.e5 Nd7 14.Nc3 Nb6 15.Qg3 Nh4 16.Bd2 Nf5 17.Qg6+ Kd8 18.Rae1 Nd4 19.f5 Bxf5 20.Rxf5 Nxf5 21.Qxf5 Rf8 22.Qg4 c6 23.b3 Kc7 24.Bf4 Rae8 25.d4 Qe6 26.Qxg7+ Kb8 27.Na4 Nxa4 28.bxa4 Rxf4 29.Rb1 Rg8 30.Qxb7 checkmate perrypawnpusher - LeifPetersen, blitz FICS, 2010.

11...Kf7 12.f4 Re8 13.Nc3 Kg8


Here we have a familiar type of position: Black has castled-by-hand and brought his Rook to the e-file; while White has his "Jerome pawns" ready to advance.

I've taken about a minute of thinking time; my opponent, a good bit more.

It should be like taking a stroll in my own back yard...

14.f5 Ne7

15.h3

Preparing for g2-g4, but without much thought. Later, Rybka pointed out the right way to accomplish this: 15.Qg3 Kh7 16.Qh4 Rf8 17.Bg5 Qd7 18.Rad1 Qc6 19.Bxf6 Rxf6 20.g4




analysis diagram







Black would still have an edge, but White would have his thematic pawn play.

15...Nxf5


Ouch! The e-pawn is pinned... Even worse would have been: 15...d5, when White would have to give up the exchange, either by 16.e5 Nxf5 17.Rxf5 Bxf5 or (according to Rybka) 16.Qg3 dxe4 17.Bxh6 Qxd4+ 18.Kh1 Nh5 19.Qg5 Nxf5 20.Rxf5 Bxf5 21.Qxh5 Rf8 22.Bf4.

16.Qd3 Nh4


At this point I started using up thinking time. I found a way to complicate things, and made my move. 

17.Bf4


Oh, no! Where did that come from?? That wasn't what I was thinking about at all...

[to be continued]

No comments:

Post a Comment