Sunday, May 24, 2015

Rybka Plays the Jerome Gambit


Here is the game from the Kasparovchess forum mentioned by Philidor1792 in the previous post, with Rybka matched against a player from the site.

Rybka - Mustitz

10 5 casual game, 2010

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+ 




4...Kxf7 5.Nxe5+ Nxe5 6.Qh5+ Ke6 7.f4 d6




I have nicknamed this line "the annoying defense" as Black gives back a piece and drains the position of much of its dynamism.


It is ironic that White, a computer in this game, must face a variation very popular with computer defenders.

  8.fxe5 dxe5 9.Qh3+ Kf7 10.Qh5+  Ke6 11.Qh3+ Kf7 12.Qh5+ g6

Rybka would be content with a draw by repetition. Mustitz would not.


13.Qxe5 Qe7 


This move is new to The Database.


14.Qxe7+ Nxe7 15.c3 Nc6 16.d4 Nxd4 




17.cxd4 Bxd4 18.Nc3 Re8 19.Bd2 Bxc3 20.O-O+ Kg8 21.Bxc3 Rxe4 


This is an interesting position for both sides. White can be "happy" it is only a pawn down in a Jerome Gambit, while Black can be pleased to still be a pawn ahead. Certainly the signs of a possible draw via Bishops-of-opposite colors are present.


22.Rae1 Bf5 23.Rxe4 Bxe4 24.Rd1 Bf5 25.h3 Re8 26.Kf2 Be6 27.b3 Kf7 28.g4 c6 29.Kg3 Bd5 30.Rf1+ Ke7 31.Re1+ Kd7 32.Rxe8 Kxe8 


33.Kf4 h5 34.Kg5 hxg4 35.hxg4 Be4 36.Be5 Kd7 37.b4 Ke6 38.Bb8 a6 39.Bc7 Kd5 40.Kf4 Bb1 41.a4 Kc4 42.Bd6 b6 43.a5 bxa5 44.bxa5 Kd4 45.Be5+ Kd3 46.Bd6 Kd4 47.Be5+ Kd5 48.Bc3 c5 49.Be1 Kd4 50.Bf2+ Kc4 51.Ke5 Kd3 52.Bxc5 Kc4 53.Bf2 Drawn



Friday, May 22, 2015

Opening Traps by GM Ferzbery


Chessfriend and Jerome Gambit advocate Philidor1792 quickly came to my rescue concerning the book mentioned in my previous post (see "Italian Party Stunt") - Opening Traps by GM Ferzbery [Boris Vainstein] (1990). Look at his hard work.


Hi, Rick,

read in your blog about Vainstein's book in Russian. Here is a translation of a section about Jerome gambit from this book (not sure about the quality of translation, but it should be better than Google). In an attachment you can find the book itself as well as a Jerome gambit game from Kasparovchess forum:

The book is written in a form of dialog between a chess teacher (Vainstein) and his students: p.32
-          Couldn’t white play “fortissimo” here? – asked Sergej
-          How?
-          Look:  4.Bxf7+ Kxf7 5.Nxe5+ Nxe5 6.Qh5+ g6 7.Qxe5
-          So what did you get for the piece? – asked Nikolaj
-          Two pawns and three checks – More than enough compensation. And by the way I’m attacking the bishop and rook now! What are you going to do?
-          That’s really a question?  - thought Nikolaj. Did Sergej really invent a new “fortissimo”?
-          This was already refuted by English chess master Joseph Blackburne many years ago:  7. Qxe5 d6  8.Qxh8 Qh4 9.0-0 Nf6 10.c3 Ng4 11.h3 Bxf2+ 12.Kh1 Bf5! 13.Qxa8 Qxh3+! 14.gxh3 Bxe4#. In the final position black has only three light pieces, while white – a queen, two rooks and two pieces.
-          Beautiful - Sergej said, - but you and even Joseph Blackburne did not persuade me. First of all white doesn’t have to take 8.Qxh8, it can play 8.Qd5+ giving one more check and probably take the b7 pawn then.  So for a piece it will get three pawns and four checks.
-          Probably this is not enough too. After 9...Rb8 and 10...Qh4 we will get pretty much the same as in the Blackburne’s game. (Why not 11.Qe2? – Philidor1792).
-          Ok, but what about 10.c3? It looks as if one tried to fry an egg on fire in his house. Generally I must check all this.
-          There’s nothing to check here. – said Nikolaj sharply. One can’t suddenly sacrifice two pieces in the very beginning of the game. Black doesn’t violate any opening principles after all.
-          No, I must examine this myself. Remember, what Capablaca said!
***
Then I thought - said Sergej Viktorovitch - probably two-piece sacrifice is not good, but it’s also unfair to punish white so sharply – mate in 14 moves! Today I can suggest 9.d4! for white. Black got one pawn and one check back 9...Qxe4+, but what to do after 10.Be3! If black takes another pawn 10...Qxg2, white queen goes free 11.Qh7+ and here white shouldn’t lose. And if Blackburne closes the cage 10...Nf6, white shouldn’t be greedy and take the bishop 11.dc because of 11...Qxg2 12.Rf1 Bh3! 13.Qxa8 Qxf1+ and 14 ...Ne4#
But rather play simply and effectively 11.Nd2 Qxg2 12.0-0-0! and after the bishop retreats - play 13.Bh6 after  which Blackburne won’t survive.
However he could win if he played without too much beauty and instead of 6...g6? simply protected his king by 6...Ng6! 7.Qxc5 d6. And now black has a piece for two pawns and good chances for a win. Though black should be aware of two dangerous white central pawns...
Conclusion is: there weren’t any reasons to sacrifice two pieces but still sometimes it’s worth making a trap for the sake of beauty. Blackburne’s opponent didn’t find a right way to defend. The result was a wonderful combination with two rooks and queen sacrifice.

Philidor1792

Wednesday, May 20, 2015

The Italian Party Stunt


With the help of Google.com, I recently stumbled over a discussion of the Jerome Gambit, and the game Amateur - Blackburne, London, 1885, at KasparovChess.

Not familiar with the Russian language, I took advantage of Google's offer to translate the internet site's pages, and had several good laughs - starting with the title of the discussion in the forum, "The Italian Party Stunt 4.Sf7+". Indeed!

The site has an English translation, which has to be better than Google's. (I know, I know, "party" means "game", but it's hard not to laugh - there and elsewhere - anyhow.)

Of additional interest in the forum is the comment: 
В той же книге Вайнштейна "Ловушки ферзьбери"было доказано,что в этой позиции Белые играют 10.д4!(а не 10.с3?)и отбивают атаку.

This seems to refer to a book on traps by Weinstein - with an analytical suggestion for the Jerome Gambit / Blackburne game. Can anyone (other than Google) help with the translation of this Russian comment to English? Is any Reader familiar with the referred-to book? Is it an early work by Kasparov?

The suggestion of 10.d4 (!) is interesting in light of the earlier (5 1/2 years ago) discussion in "A Question of Theory and Practice" and "Sources".

Monday, May 18, 2015

I'll Do The Thin'in' Around Here...





As a child I enjoyed watching Saturday morning cartoons, including the comic adventures of Hanna-Barbera's Quick Draw McGraw, the western sheriff who sometimes could get caught up in his own ideas, proclaiming "I'll do the thin'in' [thinking] around here... And don't. you. forget. it."

In the following game, White inadvertently follows Quick Draw, by responding to Black's "psychological" riposte -- You want me to take the Bishop?? So - I won't take the Bishop! -- by dropping his guard, as if to remind his opponent I'll do the attackin' around here... And don't. you. forget. it.

Disaster follows.

bereakatze - pawnstarrr
blitz, FICS, 2015

1.e4 e5 2.Bc4 Bc5 3.Bxf7+ 


The Abrahams Jerome Gambit, which we have been looking at on this blog lately.

3...Kf8

The Abrahams Jerome Gambit Declined, which "objectively" turns Black's better game into a better game for White - especially after 4.Bc4 or 4.Bb3.

The Database has 432 games with this move,  in which White has scored 64%. That number is surprisingly low, but perhaps that is because White doesn't always play "objective" chess, but insists that Black take the piece by leaving it en prise. (It is interesting to note that The Database shows that against ...Kf8 in the regular Jerome Gambit Declined, White has scored only 58%.) 

4.d3 Qf6 5.Bb3

The Database has a couple of alternative games, one a warning to White and one a caution to Black: 
5.c3 Qxf2 checkmate, clocked - wileyone, FICS, 2009; and 

5.Qf3 Qxf7 6.Qxf7+ Kxf7 7.Nf3 Nf6 8.Nxe5+ Ke7 9.0-0 d6 10.Nc4 Nbd7 11.Bg5 h6 12.Bh4 g5 13.Bg3 b6 14.Kh1 Bb7 15.f4 gxf4 16.Bxf4 h5 17.Nbd2 Rag8 18.Nf3 c6 19.Nh4 d5 20.Ne5 Nxe5 21.Bxe5 Rf8 22.Ng6+ Kf7 23.Nxh8+ Black ran out of time, greatbigdave - lucluc, FICS, 2001

5...Qxf2 checkmate

Kabong!

Saturday, May 16, 2015

Visit From An Old Friend


Black's tactical oversight on move 12 is like a visit from an old friend. (As the Beatles sang, "I get by with a little help from my friends.") It is an interesting variation on the old "optical illusion" which has garnered me a few points.

perrypawnpusher - johnEjohnE

blitz, FICS, 2015

1.e4 e5 2.Nf3 Nc6 3. Bc4 a6 


Okay, no Jerome Gambit - yet. Patience.


4.O-O 


Here Bill Wall jumped the gun with 4.Bxf7+ and earned a quick victory in Wall,B - GuestDLNJ, FICS, 2010 (1-0, 11). 

A Scotch variation was seen with 4.d4 exd4 5.Nxd4 Bc5 6.Bxf7+ Kxf7 7.Qh5+ Black resigned, Melenos - Rocangus, FICS, 2010

4... Nf6 


Stubborn. After 4... Bc5 I played 5. Bxf7+ in perrypawnpusher - Tlslevens, blitz, FICS, 2010 (1-0, 28). 


5. Nc3


I could have played 5.Ng5, as in the Two Knights Defense,  5...d5 6.exd5 Na5 7.d3 etc., but I was still angling for a Jerome Gambit.


5... Bc5 6. Bxf7+ 


At last. A Delayed Italian Four Knights Jerome Gambit.


6...Kxf7 7.Nxe5+ Nxe5 8.d4 Nf3+ 




A bright idea, similar to the move by AirmanLeonidas, when he had advanced h7-h7 instead of this game's a7-a6.

The equally interesting 8... Qe7 was seen in Wall,B - Pawndering, Chess.com, 2010 (1-0, 16). 


9. gxf3 


Writing about my game against AirmanLeonidas, I commented about the pawn capture vs the Queen capture
Going with the "Jerome pawns," but not the best. After the game Rybka suggested: 9.Qxf3, since if 9...Bxd4 White can regain the pawn with 10.Nb5 Be5 11.Qb3+ d5 12.f4 Bd6 13.Nxd6+ Qxd6 14.e5 Qb6+ 15.Qxb6 axb6 16.exf6 gxf6 when Black may have a small edge if he can use his open lines.
However, in the current game, the helpful 10.Nb5 is not playable, due to Black's pawn on a6.

Still, a long-time Jerome Gambiteer once went with the Queen capture: 9.Qxf3 Bxd4 10.Nd5 c6 11.Nxf6 Qxf6 12.Qb3+ Qe6 13.c4 Re8 14.Be3 Qxe4 15.c5+ Re6 16.Rae1 Ke7 17.Bxd4 Qxd4 18.Rxe6+ dxe6 19.Qc2 g6 20.b4 Black forfeited on time, jfhumphrey - spince, FICS, 2013.


9...Bb4 10.Bg5 h6 11.Bh4 d6 12.Qd3



Black misunderstands the reason for this move, and overlooks my response. It's blitz. It happens.


12...Rf8 13.Qc4+ Be6 14.Qxb4 Bh3 




Black's pressure on White's King does not compensate for being behind two pawns, with the smaller center. He appears to have been shaken by falling for the cheap tactic.


15.Rfe1 Kg8 16.e5 dxe5 17.dxe5 Qe8 18.exf6 Qf7



Here Black forfeited by disconnection.


After 19.fxg7 Qxg7+ 20.Bg3 White would clearly be better.


Thursday, May 14, 2015

More and More About What We Know So Little



In the last few days I have added over 10,000 Abrahams Jerome Gambit games (1.e4 e5 2.Bc4 Bc5 3.Bxf7+), which we have been discussing recently, to The Database, pushing it almost to 51,000 games, total. (I can probably add another 10,000 Abrahams JG games to bring things up-to-date with play at FICS.)

Reviewing my email files, I note that in the past I have discussed the opening with the always-impressive IM/PhD Tim Harding (whose 1973 Bishop's Opening is a classic, whose articles for chesscafe.com  helped answer the question "What Exactly Is the Bishop's Opening?", and whose biography of Joseph Henry Blackburne many await from McFarland) and with Michael Goeller, who maintains an excellent online resource on the Bishop's Opening; and neither was familiar with the early Bishop sacrifice.

That pretty much makes three of us.

I have recently contacted IM Gary Lane, a long-time friend of this blog, who has written Winning With the Bishop's Opening (1993) and The Bishop's Opening Explained (2005). While he is not familiar with the Abrahams Jerome Gambit, either, he is willing to take a look at it with his readers in his next month's "Opening Lanes" column at ChessCafe.com. 

I hope to learn more - much more. I need to. It is ridiculous that the "oldest" over-the-board game example of this line in The Database is a 2003 game:

Kuckuck,D - Loesche,N 
EU-ch U08 Germany, 2003

1.e4 e5 2.Bc4 Bc5 3.Bxf7+ Kxf7 4.Nf3 Nf6 5.0-0 Nxe4 6.Nxe5+ Kf8 7.Re1 Bb4 8.Rxe4 b6 9.Rxb4 Bb7 10.c4 Ke7 11.d3 h5 12.f3 g5 13.f4 gxf4 14.Bxf4 d6 15.Bg3 h4 16.Bf2 b5 17.Rb3 Rh7 18.Nd2 Qd7 19.Ne4 Nc6 Black resigned

The "oldest" online game example in The Database is only from 1999.

ChessNinja  - Leebros
FICS,1999

1.e4 e5 2.Bc4 Bc5 3.Bxf7+ Kxf7 4.Qh5+ Kf8 5.Qxe5 Qe7 6.Qf5+ Nf6 7.e5 d6 8.Qxc8+ Kf7 9.Qxh8 Nc6 10.Qxa8 Qxe5+ 11.Ne2 Nd4 12.Nbc3 Ng4 13.Qxb7 Nxc2+ 14.Kf1 Nxh2+ 15.Rxh2 Qxh2 16.Qxc7+ Kg6 17.Rb1 Qh1+ 18.Ng1 Ne1 19.Kxe1 Qxg1+ 20.Ke2 Qxf2+ 21.Kd1 Black ran out of time




Tuesday, May 12, 2015

Exploring

Image result for free clip art exploring

After the previous post ("Keep Your Eye on the Prize") I started gathering thousands of Abrahams Jerome Gambit games and adding them to The Database, to develop a better understanding of the opening.

As the following game shows, theory of some of the variations is not far developed.


macele - torment

blitz, FICS, 2005

1.e4 e5 2.Bc4 Bc5 3.Bxf7+ 




3...Kxf7 4.Qh5+ Ke6 5.Nf3 




I was surprised to see that this move leads to an even game. So far, less than half of the games in The Database have this move.


Now, after 5...Nc6, the position would resemble a Jerome Gambit where the "ghost" White Queen has passed through the White Knight to deliver check.


5...d6 6.Ng5+ 


I have always been suspicious of this move in the Jerome Gambit proper, but here it seems necessary.


6...Kd7 7.Nf7 Qf6


One of a few equal responses. Black could have tried 7...Qf8 8.f3 Nf6 9.Qh3+ Kc6 10.g4 Qxf7 11.Qf1 d5 12.exd5+ Qxd5 13.Nc3 Qe6 14.Qb5+ Kd6 15.b4 b6 16.bxc5+ bxc5 17 Ba3 c6 18.Qxc5+ Kd7 19.O-O Nxg4 20.fxg4 Qxg4+ 21.Kh1 Bb7 22.Rg1 Qf3+ 23.Rg2 Re8 24.Kg1 Ba6 25.d3 Bb7 26.Rf1 Qh5 27.Rxg7+ Kc8 28.Qd6 Black resigned, Turkman - andrecoenen,  FICS, 2006. 

Or 7...Qe8 8. Qf5+ (8.Qg4+ Kc6 9.Qxg7 Be6 10.Nxh8 Nd7 11.b4 Bxb4 12.c3 Bc5 13.Ba3 Ndf6 14.Bxc5 dxc5 15.Na3 Rd8 16.Nb5 Rd7 17.Qg3 Kxb5 18.c4+ Bxc4 19.a4+ Kc6 20.a5 Rd3 21.Qg7 Qd8 22.O-O Nxe4 23.Nf7 Qd4 24.Nxe5+ Kb5 25.Rfb1+ Ka6 26.Qf6+ Ngxf6 White resigned, AlexPR - raviven, FICS, 2008; or 8.Qf3 Nf6 9.Nxh8 Qxh8 10.d3 Nc6 11.Be3 [11.c3 Ke8 12.Bg5 Bg4 13.Qg3 Be6 14.Nd2 Kd7 15.f4 Rf8 16.fxe5 dxe5 17.b4 Bd6 18.O-O h6 19.Be3 Ng4 20.Rxf8 Qxf8 21.Rf1 Qe7 22.a3 Nxe3 23.Qxe3 Qg5 24.Qxg5 hxg5 25.Nf3 g4 26.Ng5 Bg8 27.Nf7 Be7 28.b5 Bxf7 29.Rxf7 Nd8 30.Rxg7 Ne6 31.Rxg4 Bxa3 32.h4 Ke7 33.h5 Kf7 34.h6 Nf8 35.Rg7+ Kf6 36.Rxc7 Kg6 37.Rxb7 Kxh6 38.d4 exd4 39.cxd4 Bb2 40.d5 Bd4+ 41.Kf1 Kg6 42.Ke2 Kf6 43.Kf3 Ng6 Black resigned, Philidor 1792 - guest1923, www.bereg.ru, 2015] 11...Bxe3 12.fxe3 b6 13.O-O Bb7 14.Qh3+ Ke7 15.Nc3 Bc8 16.Qh4 Be6 17.Nd5+ Bxd5 18.exd5 Nb4 19.Qxb4
Nxd5 20.Qc4 Ke6 21.e4 b5 22.Qxd5+ Kd7 23.Rf7+ Kc8 24.Raf1 Black resigned, pauldiekrake - AlgozBR, FICS, 20148...Kc6 9.Qh5 (9.Qf3 Nf6 10.Nxh8 Qxh8 11.d3 Bg4 12.Qg3 Nbd7 13.h3 Be6 14.O-O Rf8 15.Be3 Nh5 16.Qh2 b6 17.Bxc5 Nxc5 18.Nd2 Nf4 19.b4 Nd7 20.c4 Kb7 21.a4 g5 22.a5 h5 23.Nf3 g4 24.Nh4 Nf6 25.g3 Nxh3+ 26.Kg2 Bxc4 27.dxc4 Nxe4 28.Ng6 Qf6 29.Nxf8 Qf3 checkmate, RattyMouse - raviven, FICS,  2007) 9...Nf6 10.b4 Bxf2+ 11.Kxf2 Nxh5 12.b5+ Kb6 13.Nxh8 Qxh8 14.d3 Qf8+ 15.Ke2 Bg4+ 16.Ke1 Nd7 17.Nc3 c6 18.bxc6 bxc6 19.Rf1 Ndf6 20.Bd2 Kc7 21.Na4 Qe7 22.Rb1 Nd7 23.h3 Be6 24.Ba5+ Kc8 25.Kd2 Rb8 26.Rxb8+ Nxb8 27.Rb1 Qg5+ 28.Kc3 Qxg2 29.Bb6 axb6 White resigned, AlexPR - raviven, FICS, 2007. 

Or 7...Nf6 8.Qf5+ (8.Qh4 Bxf2+ 9.Kxf2 Nxe4+ 10.Qxe4 Qf6+ 11.Qf3 Qxf3+ 12.gxf3 Rf8 13.Ng5 h6 14.Nh3 Nc6 15.c3 Kd8 16.d3 Bxh3 17.Rg1 Rg8 18.Bxh6 Kd7 19.Bxg7 Rae8 20.Nd2 Bf5 21.Ne4 Bxe4 22.dxe4 Kc8 23.b4 Kb8 24.b5 Na5 25.a4 Nc4 26.Rab1 Nd2 27.Rbd1 Nb3 28.Bh6 Rxg1 29.Rxg1 Nc5 30.a5 Nd3+ 31.Ke3 Nc5 32.h4 Ne6 33.Bg5 Ng7 34.Rg4 Nh5 35.Bh6 a6 36.bxa6 bxa6 37.Rg5 Nf6 38.Rg6 Ng8 39.Bg5 Rf8 40.h5 Kb7 41.h6 Nxh6 42.Bxh6 Rh8 43.Bg7 Rg8 44.f4 exf4+ White forfeited on time, radejanus - Erge, FICS, 2008; or 8.Qe2 Qf8 9.Nxh8 Qxh8 10.O-O h5 [10...Nc6 11.c3 Ke7 12.h3 Be6 13.Na3 a6 14.Nc4 Qc8 15.d3 Bxh3 16.gxh3 Qxh3 17.Be3 Ng4 18.f3 Qg3+ 19.Qg2 Qxg2+ 20.Kxg2 Nxe3+ 21.Nxe3 Bxe3 22.Rh1 h6 23.Rh5 g6 24.Rh4 Bf4 25.Rah1 Rh8 26.Rg4 Kf6 27.a4 Ne7 28.b4 Bd2 29.d4 Bxc3 30.dxe5+ Bxe5 31.b5 axb5 32.axb5 g5 33.Kf2 d5 34.Ke2 dxe4 35.Rxe4 Nd5 36.Kd3 Kf5 37.Kc4 Nb6+ 38.Kc5 Nd7+ 39.Kd5 Nf6+ 40.Kc4 Nxe4 41.fxe4+ Kxe4 42.Re1+ Kf4 43.Kd5 Rd8+ 44.Ke6 Rd6+ 45.Ke7 Bd4 46.Rf1+ Kg4 47.Rh1 h5 White resigned, ndizvoh - sniktawiii, FICS, 2014] 11.h3 Ke7 12.d3 Qh7 13.Bg5 Qg6 14.Qd2 Kf7 15.Bxf6 gxf6 16.Kh2 Nd7 17.f4 exf4 18.Rxf4 Ne5 19.d4 Nc4 20.Qf2 Bb6 21.b3 Na5 22.c3 c5 23.Nd2 cxd4 24.Rf1 Bd8 25.cxd4 Nc6 26.e5 dxe5 27.dxe5 Nxe5 28.Ne4 Nd3 29.Rxf6+ Bxf6 30.Qd4 Bf5 31.Qd5+ Kg7 32.Qxb7+ Kh6 33.Nxf6 Rf8 34.Nd7 Rf7 35.Qf3 Rxd7 36.Qxf5 Qxf5 37.Rxf5 Nc1 38.Rf2 a5 39.Rc2 Nd3 40.Rc6+ Kg5 41.Rc2 Nb4 42.Rc5+ Rd5 43.Rxd5+ Nxd5 44.a3 Nc3 45.Kg3 Ne4+ 46.Kf3 Nc5 47.b4 axb4 48.axb4 Na4 49.b5 Nb6 50.Kg3 h4+ 51.Kf3 Nc4 52.g3 Ne5+ 53.Kg2 hxg3 54.Kxg3 Nc4 55.h4+ Black forfeited on time, ndizvoh - LadyBishop, FICS, 2014; or 8.Qh3+ Ke7 9.Nxd8 Bxh3 10.gxh3 Rxd8 11.d3 Nc6 12.Nc3 Nd4 13.O-O Nxc2 14.Rb1 Nd4 White forfeited on time,  Djmilen - Torny, FICS, 2006) 8...Kc6 9.Nxd8+ Rxd8 10.Qg5 Rg8 11.d3 Bd4 12.Na3 Na6 13.Be3 Nb4 14.O-O-O Nxa2+ 15.Kb1 Nc3+ 16.bxc3 Bxc3 17.d4 Nxe4 18.Qh4 Bf5 19.f3 g5 20.Qxh7 Bxh7 21.fxe4 Bxe4 22.dxe5 dxe5 23.Rhf1 Bxg2 24.Rg1 Bf3 25.h4 Bxd1 26.Rxd1 gxh4 27.Rd3 Bb4 28.Nc4 e4 29.Ne5+ Kb5 30.Rb3 a5 31.c4+ Ka6 32.Ka2 c5 33.Nd7 Rg2+ 34.Kb1 b6 35.Ne5 a4 36.Rd3 exd3 37.Nc6 d2 38.Nxb4+ cxb4 39.Kc2 Rd8 White resigned, austindark - AkeZ, FICS, 2008. 


Or 7... g6 8. Qg4+ Black resigned, Kazzakii - kkpsA, FICS, 2014. 


Or 7...Bxf2+ 8.Kxf2 Nf6 9.Qh3+ Kc6 10.Qc3+ Kd7 11.Nxd8 Kxd8 12.d3 Ng4+ 13.Ke1 Nc6 14.Bg5+ Ke8 15.h3 Nh6 16.Bxh6 gxh6 17.Rf1 Be6 18.Qd2 Nd4 19.c3 Nc6 20.Qf2 Ke7 21.Qf6+ Kd7 22.Qg7+ Ne7 23.Qxh6 Rag8 24.g4 Ng6 25.Qe3 Nf4 26.Rxf4 exf4 27.Qxf4 Rf8 28.Qe3 b6 29.Nd2 Rf7 30.Kd1 Rg8 31.Kc2 Rgf8 32.d4 Kc8 33.d5 Bd7 34.Qe2 Kb7 35.Rf1 Black resigned, Mannixcannon - Txanan, FICS, 2014)


8.Qf5+


Instead, 8.Qf3 seems essential.


Alternately 8.Qg4+ Ke7 9.Qg5 Kxf7 10.Qxf6+ Nxf6 11.d3 Ng4 12.O-O Nc6 13.c3 Be6 14.b4 Bb6 15.a4 a6 16.h3 Nf6 17.Bg5 Nh5 18.Nd2 h6 19.Bh4 g5 20.Bg3 Raf8 21.Nf3 Ke7 22.b5 axb5 23.axb5 Na5 24.c4 Nb3 25.Ra3 Nd4 26.Nxd4 Bxd4 27.Ra7 Bxa7 28.Bh2 Nf4 29.Bxf4 gxf4 30.Kh1 Rhg8 31.f3 Rf6 32.Kh2 Rg3 White resigned, drcollie - nytwotwenty, FICS, 2006; or 8.O-O g6 (8...Nc6 9.Nxh8 Nd4 10.Na3 Bxa3 11.bxa3 Nxc2 12.Rb1 b6 13.Rb2 Nd4 14.Rb1 Bb7 15.d3 Ne7 16.Nf7 Rf8 17.Ng5 Ba6 18.Rd1 g6 19.Qxh7 Ne2+ 20.Kh1 Nxc1 21.Nf3 Ne2 22.Rd2 Nd4 23.Nxd4 exd4 24.Rf1 Rf7 25.Qh3+ Kd8 26.f4 Nc6 27.Qf3 g5 28.f5 Ne5 29.Qg3 Nxd3 30.Rxd3 Bxd3 31.Qxd3 Qe5 32.Re1 Rh7 33.h3 g4 34.Kg1 gxh3 35.Qxh3 Rxh3 36.gxh3 Qg3+ 37.Kf1 Qxh3+ 38.Kf2 Qh2+ 39.Kf3 Qh3+ 40.Kf4 Qxa3 41.Re2 Qe3+ 42.Rxe3 dxe3 43.Kxe3 Ke7 44. Kf4 Black forfeited on time, RattyMouse - attackme, FICS, 20089.Qh3+ (9.Qf3 Qxf3 10.gxf3 Ke7 11.Nxh8 Kf8 12.d3 Kg7 13.Nxg6 hxg6 14.c3 Bh3 15.Re1 Nd7 16.a4 Rf8 17.b4 Bb6 18.a5 Bxf2+ 19.Kxf2 Ngf6 20.Kg3 Be6 21.h4 Nh5+ 22.Kf2 Bg4 23.Nd2 Nf4 24.Kg3 Nxd3 25.Re3 Nxc1 26.fxg4 Ne2+ 27.Rxe2 c6 28.Rh1 Black resigned, radejanus - Blus, FICS, 2014) 9...Kc6 10.Qf3 Qxf3 11.gxf3 Bh3 12.Re1 Nf6 13.Nxh8 Nbd7 14.Nf7 Nh5 15.Ng5 Nf4 16.Nxh3 Nxh3+ 17.Kg2 Nxf2 18.c3 Nf6 19.b4 Bb6 20.c4 Nd3 21.Rd1 Nxb4 22.Ba3 Nc2 23.Nc3 Nxa1 24.Rxa1 Rf8 25.Rf1 Nh5 26.h3 Nf4+ 27.Kg3 Nd3 28.Ne2 h6 29.Kg4 Nf2+ 30.Kg3 g5 31.c5 Nxe4+ 32.fxe4 Rf2 33.Kxf2 Bxc5+ 34.Bxc5 Kxc5 35.Ng3 Kd4 36.Nh5 Kd3 37.Nf6 Kxd2 38.Nd7 Kd3 39.Kf3 Kc4 40.Rc1+ Black forfeited on time, Rattymouse - COHGNH, FICS, 2007. 


8...Qxf5 9.exf5 Nf6 10.Nxh8 Ke7 11.c3 Bxf5 12.d4 Bb6




Black is temporarily down the exchange, but White's Knight on h8 will soon be lost, giving the defender the advantage.


13.dxe5 dxe5 14.Bg5 Nc6 15.O-O Rxh8 16.Re1 h6 17.Be3 Bxe3 18.Rxe3 Rd8 19.Na3 a6 20.Nc4 Ke6 21.f3 Nd5 22.Re2



A slip, which compounds White's problems.


22...Bd3 23.Rd2 Bxc4 24.b3 Be2 25.Rxe2 Nxc3 26.Rc2 Rd1+ 27.Rxd1 Nxd1 28.Rd2 Nc3 29.a3 Nd4



30.Kf2 Kf5 31.Rd3 Nd5 32.g3 g5 33.g4+ Kf4 34.h3 c6 35.Kg2 Ne2 36.Kf2 Nc1 37.b4 White forfeited by disconnection