Monday, January 11, 2010

Correctness


The Jerome Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+) is not the Blackmar Diemer Gambit (1.d4 d5 2.e4 dxd4 3.Nc3 Nf6) which in turn is not the Sicilian Defense (1.e4 c5)...

Alonzo Wheeler Jerome was not Emil Josef Diemer who was not Mikhail Tal...

Still, I had to smile the other day as I was catching up on Tom Purser's Blackmar Diemer Gambit blog (see the "Tom'sBDGPages" link on the lower right) when I ran across his post on "Correctness".

Tuesday, November 10, 2009
"Correctness"
In his book, Vom Ersten Zug an auf Matt [Toward Mate From the First Move], Diemer included a short essay on correctness (a propos -- KORREKTHEIT!, p. 129), in which he insisted that if the BDG were a "correct gambit" then it would be no gambit at all. Tonight I read an interesting piece by Dutch grandmaster Jan Hein Donner, (who once wrote a separate devastating article on Diemer called "The Prophet von Muggensturm").
He didn’t care about correctness, complications were more important to him. To drag his opponent with him into the labyrinth, he gave everything for it. I’ve seen it in Zürich, the growing feeling of unease when he sacrificed a piece or more in every game, and won, but when afterwards it turned out the whole enterprise had been rather risky if only the opponent would have found the right moves behind the board. In analysing, too, it turned out that, although he had calculated much and much more than the average player, he did very much tend to calculate in his own favour. Even then it became clear that only Keres could stand up to him in such analysis sessions where hands grab and reach over the board. ‘Aber mein Lieber, was machen Sie denn darauf!’ [But my darling, what do you play now?] and Tal just laughed. ‘Wer hat gewonnen?’ [Who has won?] (…)
Tal? Tal? Forgive me if I mislead you. Here Donner was writing about Tal. Not about Diemer. You can read the entire piece in this post in Chess Vibes. (scroll down to the bottom of the page).
Of course, neither Purser nor Donner were writing about playing the Jerome Gambit, either; but I hope I did not mislead any Reader.

Still, isn't that what we do when we play the Jerome: drag our opponents with us "into the labyrinth"?




Sunday, January 10, 2010

I expected better...



I just got clobbered in a 3-minute online game at FICS (I know, I know, I should know better than to play such fast games), playing the Black pieces against a Modern Jerome Gambit, by transposition (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+ Kxf7 5.d3).

My opponent, rated at the time about 300 points above me, shows up in about 75 games in the New Year's Database, scoring a reasonable 47% with the Jerome Gambit and its relatives. He has a legitimate claim to membership to the Jerome Gambit Gemeinde.

I will share the game, but a summary of it would be: I defended well for a half-dozen moves or so, then began to slip up, and then my opponent poured it on, crushing me.

Hats off to RattyMouse for some serious attacking play with the Jerome Gambit!  His co-ordinated pieces over-whelmed me.

My enthusiasm for the game paled, however, when my opponent immediately posted upon my resignation: I wish I knew the words to express the contempt that I have for you.
Bruce: Do you know what it means to have "contempt" for your opponent?
Josh: No.
Bruce: It means to hate them. You have to hate them Josh, they hate you.
Josh: But I don't hate them.
Bruce: Well you'd better start.
Searching for Bobby Fischer 1993


I expected better, from myself.

I expected better, from my opponent, as well.

Maybe next time.


RattyMouse  - perrypawnpusher
blitz 3 0, FICS, 2009

1.e4 e5 2.Bc4 Bc5 3.Nf3 Nc6 4.d3 Nf6 5.Bxf7+ Kxf7 6.Ng5+ Kg8 7.c3 h6 8.Qb3+ d5 9.Nf3 Kh7 10.exd5 Qxd5 11.Qc2 Rd8 12.d4+ g6 13.dxc5 Qxc5 14.0-0 Bf5 15.Qb3 Qb6 16.Qf7+ Kh8 17.Qxf6+ Kg8 18.Bxh6 Rd7 19.Ng5 a5 20.Nd2 a4 21.Nde4 a3 22.b3 Ra5 23.Ng3 Ra8 24.Nxf5 gxf5 25.Qg6+ Kh8 26.Nf7+ Rxf7 27.Qxf7 Rg8 28.Qxf5 Qc5 29.c4 Qe7 30.Bg5 Qg7 31.Bf6 Black resigned

Saturday, January 9, 2010

Boo!

When I play the Jerome Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+), I would prefer that my opponent not laugh too loud.

Ideally, I would like him to to become nervous, if not downright terrified.  Sometimes that can be helpful, as the following game illustrates.

perrypawnpusher - frencheng
blitz 10 5, FICS, 2010

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+



4...Kxf7 5.Nxe5+ Nxe5 6.Qh5+ Kf8



I like this move. So did Alonzo Wheeler Jerome, who played it (against his own gambit) in two correspondence games against Dan Jaeger in 1880.

7.Qxe5 d6 8.Qg3



Jerome's analysis in 1874 considered only 8.Qf4+. perrypawnpusher - Capt. Mandrake, JG3 thematic, Chessworld, 2008, continued 8...Nf6 9.0-0 Black resigned.

8...Qe7

Planning to hit back at the center immediately.

9.d3 d5 10.0-0



Quickly diving out of the way of the action in the center. 

After the game, Rybka suggested, instead: 10.Bg5 Nf6 11.Nc3 dxe4 12.Nxe4 Bd6 13.Qe3 Bf5 14.f3 Kf7 15.0-0-0 Rhe8 when it shows that Black has a smaller advantage than in the game. I'm not so sure that I agree, as Black needs only ...Kg8 to safeguard his King. Both lines look good for the second player.

10...dxe4 11.Re1 Qd6 12.Bf4 Qd4


Keeping an eye on both the a1-h8 and a7-g1 diagonals. Rybka says this gives White a small advantage, and recommends a transition to the endgame, instead, with 12...Qg6 13.Qxg6 hxg6 14.Rxe4 Bb6, keeping the edge.

13.Be5

I like this move, but, wouldn't you know it, the computer second-guessed me here, too, preferring 13.Nc3 Nf6 14.Nxe4 Be7 15.Bxc7, with an edge.

13...Qd7 14.Rxe4



White is slowly crawling out of his cave, but Black is still better. If he keeps his wits about himself, he can play some settling moves like 14...Nf6 15.Rc4 Bd6 16.Bxd6+ Qxd6 17.Rxc7 Qxg3 18.fxg3 Nd5 and he is not worse. 

14...Qf5

I am not sure what Black was intending here, other than keeping pressure on f2, but I couldn't have gotten a more favorable move if I had leaned into my computer and yelled "Boo!!"

15.Qxg7+ Ke8 16.Bg3+




This will do, but 16.Bd6+ squeezes more out of the position.

16...Qxe4

Boo!!

Understandable, even if 16...Be6 17.Qxh8 was less worse for Black.

17.dxe4 Black resigned


Friday, January 8, 2010

G.K.G.

It's fun to include Gary K. Gifford as part of the Jerome Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+) Gemeinde – not so much because he plays the Jerome Gambit (he doesn't) but because of his support of the opening, publishing several of my Jerome Gambit articles in the fantastic and fantastical "Unorthodox Openings Newsletter" (see "Jerome Gambit Scrapbook") – which can be found among the Yahoo Groups – and coining the nickname "The Jerome Gamble".

Players who like the Jerome Gambit are probably playing their share of unorthodox chess openings, too.

It's also a delight to stop by Chessville and visit Gary's chess comics that fill out "The Chess Player's Chronicles", as well as his tactics page there.

Like I've said: Jerome Gambit Gemeinde members are interesting people!

Thursday, January 7, 2010

Chess Games Links


Readers may have noticed that I have added a link to this Jerome Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+) blog: that of Lars Balzer's Chess Games Links. Here's how he describes his site, recently updated:

Links to chess games (pgn, cbf, cbh, cbv, nic, si3, ...) around the internet which you can download for free! You can get chess of the best players in the world as well as open tournaments and chess of lower level. You will find large databases with millions of different games as well as small archives. You will find current chess activity as well as historical chess. You will find classical chess, correspondence chess, computer chess, annotated games and lots more!
So, if you're searching for games – Jerome Gambit or otherwise – here's a great place to start!

graphic by Jeff Bucchino, the Wizard of Draws

Wednesday, January 6, 2010

Opening Reports on the New Year's Database

Using the New Year's Database of Jerome Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+), Blackburne Shilling Jerome Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 Nd4 4.Bxf7+), and Semi-Italian Jerome Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 h6 4.0-0/4.Nc3/4.d3 Bc5 5.Bxf7+) games, I enlisted ChessBase8 to run a series of Opening Reports. The results were enlightening.
Starting with 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+, the Report found 6,507 games. White "scored badly" at 44%, while Black scored 56%.

As for Black's replies, 4...Kxf7 was played in 6,124 games, when Black "scored well" with 56%, as compared to scoring "averagely" (46%) with 4...Kf8 and "badly" with 4...Ke7 (30%).

These statistics, like all statistics, should be taken with a grain of salt. Still, it is clear at this point that Black gains nothing (and White loses nothing) by avoiding the capture of the Bishop. Too, if the Opening Report considers 46% to be "average", White's 44% is not far off the mark.

Finally, the Critical Line is given as 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+ Kxf7 5.Nxe5 Nxe5 6.d4 Bxd4 7.Qxd4 Qe7 where White scores 33%. This is interesting, but Readers know that 6...Qh4+ is the actual critical line, even if it has scored poorly in the database.

I re-ran the Opening Report after 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+ Kxf7 and was not surprised to find that while 5.Nxe5+ was played in 2,677 games and scored "averagely" with 53%, all other White choices scored "below average" (5.c3 47%;), "badly" (5.b3 43%; 5.d4 40%; 5.0-0 36%;) or "miserably" (5.Qe2 33%; 5.d3 32%; 5.a3 31%; 5.h4 31%; 5.Nc3 27%; 5.c4 25%; 5.Ng5 23%; 5.g3 0%; 5.Ng1 0%) – with the exception of 5.b4, transposing to the Jerome Evans Gambit, where White scored "well" at 67% (in 6 games).

I re-ran the Opening Report on 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+ Kxf7 5.Nxe5+, and noticed that White scored 74% against 5...Ke8; 67% against 5...Ke7; 53% against 5...Nxe5; 45% against 5...Kf8; and 38% against 5...Ke6.

Clearly that last move needs more analysis on behalf of White. 

In general, it still looks like White does best to stick with the Jerome Gambit "book" and that Black takes more risks when he knowingly or unknowingly plays away from "book".

graphic by Jeff Bucchino, the Wizard of Draws

Tuesday, January 5, 2010

Platypus Perils and Follies

Here's another example of what Gary K. Gifford, editor of the Unorthodox Openings Newsletter,  would call "the Jerome Gamble" (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+). The "bet" pays off, but only after some tense – and ridiculous – moments.

perrypawnpusher - Banassi
blitz 2 12, FICS, 2009

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+



4...Kxf7 5.Nxe5+ Nxe5 6.Qh5+ Ke6



If Black is brave – or knowledgeable – enough to play this move, his game has a good chance at a happy ending.

7.Qf5+ Kd6 8.f4 Qh4+



Ah, here is part of the "gamble": does Black know the killing Queen sacrifice, or is he just causing trouble??

9.g3 Nf3+ 

Okay, so far.

10.Kd1 Qe7



Uh, no. That would indicate "brave".


11.e5+

Incredible. Black allows a mate-in-one and White overlooks it!

Waiter! Coffee for my friend and me. None of that de-caf stuff, give me high-test!

11...Kc6



Black misses a chance for complete recovery with 11...Nxe5, since after 12.d4 Kc6 13.fxe5 d5 14.Qd3 Bg4+ he has an edge (and an extra piece).






analysis diagram





12.Qe4+ Kb6 13.Qxf3 d6



Black is not distressed with the loss of the advanced Knight (he is still a piece ahead) and, seeing the White King as vulnerable, he works to open lines in the center.

14.Nc3

After the game, Rybka gave a tortuous route to equality: 14.d4 Bxd4 15.Qb3+ Kc6 16.Qa4+ Kc5 17.Na3 Bg4+ 18.Kd2 dxe5 19.Qb5+ Kd6 20.fxe5+ Ke6 21.Qc4+ Kf5 22.c3 Be3+ 23.Kxe3 Qxe5+ 24.Kf2 Re8 25.Rf1 Qe6 26.Kg1+ Kg6 27.Bf4 Whew!





analysis diagram






14...Be6



15.Na4+

There has to be some kind of attack on the King, I thought.

That is true, but the move played should only lead to a draw. Rybka preferred 15.b4 Bxb4 16.a3 c6 17.axb4 and White is better in a tense position.

15...Kb5

This is too cooperative. After 15...Ka6 White can play to split the point with 16.f5 Qf7 17.Nxc5+ dxc5 18.Qa3+ Kb6 19.d4, with the plan for repetition of position.

16.Qxb7+


Now White does have an attack going.

16...Bb6 17.Nxb6 axb6 18.Qxa8



18...dxe5 19.a4+ Kc5 20. d3 exf4


Black continues with his plan to open up the center against the White King. He doesn't have many alternatives.

21. b4+ Kd6 22. Bxf4+ Kd7 23. Qb7 Bg4+ 24. Kc1 Ke8 25. Qa8+


White is ahead two pawns plus the exchange, and has a potential for either opening the a-file for his Rook or creating a protected passed pawn. An endgame is just fine for him.

25...Kf7 26.Qd5+ Kf8 27.Qe4 Qxb4 



A game-ending oversight, but the endgame held nothing but suffering for Black.

28. Qxb4+ Black resigned