Showing posts with label bfcace. Show all posts
Showing posts with label bfcace. Show all posts

Thursday, May 17, 2018

Jerome Gambit: Play Chess

It may seem hard to imagine, but the Jerome Gambit has its share of "quiet" positions, and they can put an extra burden on the defender, in that there are no "forced" lines to tumble into, shining light on where to go, even when tumbling down a mine shaft. Instead, Black has to figure out what to do on his own, as it were, and sometimes "playing chess" can be difficult.

Wall, Bill - Guest273475
PlayChess.com, 2017

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



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



The Jerome Variation of the Jerome Gambit, played by Alonzo Wheeler Jerome against David Jaeger in correspondence, 1880.

7.Qxe5 d6 8.Qg3 Nf6

Also 8...h5 appeared in Wall,B - Thieveyen, Chess.com, 2010 (1-0, 61), while 8...d5 was played in billwall - bfcace, Chess.com, 2012 (1-0, 25). 

9.Nc3 Be6

Instead, 9...Nh5 led to an exchange of Queens after 10.Qf3+ Qf6 11.d3 Qxf3 12.gxf3 in Wall,B - Ahmadi,S, Chess.com, 2010 (0-1, 59). A rare loss by Bill in the Jerome Gambit, so it is worth checking out.

10.O-O Kf7 11.d3 Rf8 12.Na4



It is not always smash! and crash! in the Jerome Gambit. Sometimes you just grab the "minor exchange" of Bishop for Knight.

On the other hand, there is always 12.Be3 Nh5 13.Qf3+ Kg6 14.Qe2 Nf4 as in Wall,B - Guest874250, PlayChess.com, 2014, (0-1, 32).

12...Bb6 13.Nxb6 axb6 14.a4 Kg8 



Black has castled-by-hand and still has his piece for a couple of pawns. What is White to do? Advance the "Jerome pawns", of course.

15.f4 Qd7 16.f5 Bf7 17.b3 Rfe8 18.Bb2 Qe7 19.Rae1 Kh8 



White has stubbed his toe in this variation before, so he prefers now to put his pawns and pieces on the right squares and see what happens. (Stockfish 8 agrees with him, rating the position, at 28 ply, as "0.00" - even.) Sometimes these "small" moves put pressure on Black to play chess, not just react to threats. 

20.c4 Ra5 21.Bc3 Raa8 22.Re3 Qf8



It is interesting that the computer considers this move an error, and recommends, instead, opening the Queenside with 22...b5 23.axb5 Ra3. It then sees a way, through pawn and Queen exchanges, to an edge for Black, despite leaving White with three pawns (two of them passed) for a piece: 24.Rb1 Ra2 25.Rbe1 Nh5 26.Qg4 Rc2 27.Bd4 Nf6 28.Qd1 Ra2 29.e5 dxe5 30.Bxe5 Qd7 31.Qf3 c6 32.bxc6 Qxc6 33.Qg3 Nh5 34.Qf3 Qxf3 35.Rxf3 Nf6 36.h3 b5 37.cxb5 Bxb3 38.Rfe3. This is a subtle position, one the better player will navigate more easily.

23.Qh4

This is the move the computer recommends, and I find it highly ironic. Not too long ago, humans used to adopt "anti-computer" strategies (with White) that included locking the position up with pawns (say, with the Stonewall opening) followed by a slow advance of Kingside pawns toward the enemy monarch. It is as if Stockfish has learned this lesson and suggests that White move his Queen and unblock his g-pawn.

It is interesting that Bill pursues a different line of play - until he is helped by what one famous computer (HAL) would call "human error". 

23...Nd7 24.Rh3 Qg8 25.Rg3 Ne5 26.d4 Nd7 27.e5 



Black was pretty sure that he had prevented this move, as the advance costs White a pawn. However, it also leads to the opening of the deadly a1-h8 diagonal for White's Bishop. (Looking at the current position, it is easy to overlook this fact, as the diagonal looks clogged with pawns, and it will soon inherit a Knight - but the piece will be unable to stay there.) Add that to the pressure along the g-file, and that spells disaster.

27...dxe5 28.dxe5 Nxe5 29.Qf4 



Aha! The Knight on e5 is attacked twice and defended once...

29...Ng6

Hoping to block the g-file and protect the vulnerable g7 square. Best was probably 29...Nc6, when 30.Bxg7+ Qxg7 31.Rxg7 Kxg7 would lead to a very interesting position where Black would have a Rook and two minor pieces of his Queen. Would that be enough?

Probably not. After 32.f6+! White could show that there are two more features to the position - White's advanced pawn, and the unsafe position of Black's King. Therefore 32...Kh8 (forced) 33.Qg3 Rg8 34.Qxc7 follows, and what is Black to do?

The line 34...Bg6 35.Qxb7 Ne5 36.Qxb6 reminds me of the arcane expression "nibbled to death by ducks"; Black will not be able to coordinate his pieces, protect his King, and deal with White's 4 passers.

Instead, Black could try 34...Nd8, although White could continue to apply pressure to the contorted positions with 35.Rd1, e.g. 35...Rf8 36.Qxb6 Kg8 37.Rd7 Bg6 38.Qc7 Nf7 39.Qxb7 (or 39.h4). Again, White's passed pawns would be decisive.

However, the text move, returning a piece, falls tactically.

30.fxg6 Bxg6 31.Rxg6 

You saw this move, right?

31...hxg6 32.Rf3 Black resigned



Black can defend against the threat down the h-file with 32...Ra5, but that simply costs a Rook after 33.Bxa5, as he does not have time for 33...bxa5 because of 34.Rh3+, losing his Queen. Instead, he can take advantage of the diverted Bishop by giving his King some breathing space with 33...Qe6, but after 34.Bc3 (of course) he would be a piece down and vulnerable after 34...Qe7 35.Qf7 Qxf7 36.Rxf7 or 34...Kg8 35.Qxc7.

Thursday, April 14, 2016

But Blackburne Made It Look So Easy!

The most famous Jerome Gambit game is the one by Blackburne, where he sacrificed material as Black to build a counter attack that led to a Queen sacrifice and checkmate.

Never mind that subsequent analysis and play has shown that, "objectively", the best Black should be able to hope for is a draw.

The fact is, the Blackburne Defense leads to sharp and complicated play, and it is important to have a concrete knowledge of the line - if either Black or White wishes to survive. As we have seen, and will see in the game below, "half a defense is worse than no defense at all..." Better to "Commit It To Memory".

fehim - KramMan
blitz, FICS, 2015

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




4...Kxf7 5.Nxe5+ Nxe5 6.Qh5+ g6 7.Qxe5
d6

Here we go! To capture the excitement of the play ahead, it is fun to return to Geoff Chandler's comparison of the Blackburne Defense with "Mars Attacks!"

8.Qxh8 Qh4 9.O-O Qxe4



Wait a minute... Sure, Black flashes out his Queen to h4, all big and bad and scary. But - then what? Certainly not to pawn-grab. What did he miss? What did he miss??

Hint: 9...Nf6! Black wants to trap White's Queen and make threats against her (as well as the King), eventually offering his other Rook as well.

10.Qxh7+

This is not going to go well for Black.

10.d3 worked in AlgozBR - khuizen, FICS, 2009 (1-0, 17)

10...Kf8 11.Nc3

Or 11.d3 Qe2 (or 11...Qf5 in obviously - dmyze, GameKnot.com, 2004 [1-0, 20]; or 11...Qe6 in ubluk - bfcace, Chess.com, 2012 [1-0, 18]) 12.Bh6+ Nxh6 13.Qxh6+ Kf7 14.Qh7+ Kf6 15.Qxc7 Bf5 16.Nc3 Qxc2 17.Nd5+ Kg5 18.Qe7+ Kh6 19.h4 Rh8 20.Qg5+ Kg7 21.Rae1 Rf8 22.h5 Bxd3 23.h6+ Kg8 24.Nf6+ Kf7 25.Nh7 Kg8 26.Nxf8 Bxf1 27.Rxf1 Bxf2+ 28.Rxf2 Qc1+ 29.Qxc1 Black resigned, ZahariSokolov - pedroregistro, FICS, 2015

11...Qf5

Or 11...Qxc2 12.Qh4 Black resigned, perrypawnpusher - LtPoultry, blitz, FICS, 2010; or 12.d3 Qxd3 13.Bh6+ Ke8 14.Rfe1+ Kd8 15.Qxg8+ Kd7 16.Qe8 checkmate, DREWBEAR 63 - blackburne, JGTourney4, ChessWorld, 2009.

12.d3 Nf6 13.Qh4

This move is okay, as White is up the exchange plus a couple of pawns, so he can consolidate. He could continue his attack, however, with 13.Bh6+ Ke8 14.Rae1+ Be6 15.Qg7.

13...Kg7 14.Be3 Be6 15. Bxc5 dxc5 16. Ne4 Nxe4 17. Qxe4 Qf6




The next few moves bring some excitement, but the game is pretty much over. Black's slip at move 23 just ends things

18.c3 Rh8 19.f4 c6 20.c4 Qh4 21.Qxe6 Qxh2+ 22.Kf2 Qxf4+ 23.Ke2 Qg4+ 24.Qxg4 Black resigned



Tuesday, May 8, 2012

Final Game


The final game in the "Play the Jerome Gambit Quad" at Chess.com has been played.

Jerome Gambit Gemeinde member Bill Wall topped all competitors with 5 wins and a draw.


In all, White scored 7 wins, 4 losses, and 1 draw, for a totally misleading 62.5%


bfcace (1491) - ubluk (1279)

"Play The Jerome Gambit Quad" 
Chess.com, 2012

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+ 

4...Kxf7 5.Nxe5+ Nxe5 6.Qh5+ Ke6 7.f4 d6 
This is certainly one of the more annoying defenses to the Jerome Gambit. Not scary. Not complicated. Just annoying.

Black returns a piece and draws most of the life out of the position. 


8.fxe5 dxe5 9.d3 Nf6 10.Qh3+ Kf7 11.Qg3 Be6 12.Be3 Bxe3 13.Qxe3 

Black has a piece for a pawn, plus better development. He can soon castle-by-hand to safeguard his King.

However, at this point White won on time, allowing bfcase to catch DeDrijver for a tie for third place, each with 2 wins and 4 losses.


Sunday, May 6, 2012

Time Wounds All Heels

After a long break, during which one player used up many "vacation" days, very little happened at the otherwise rather exciting Chess.com "Play the Jerome Gambit Quad." 


Now, there has suddenly been some "action"  two games won on time, not surprisingly.


The current standings, with one game left to conclude


billwall              5-0-1
ubluk                 2-2-1
DeDrijver          2-4-0
bfcace               1-4-0


The recently completed games will soon appear here.

Saturday, April 14, 2012

Knock-Down Drag-Out Battle

The "Play the Jerome Gambit Quad" at Chess.com is evolving into two two-player races. Bill Wall and ubluk (whose first game was mentioned by IM Gary Lane in his recent "Opening Lanes" column at ChessCafe.com) are contesting for first and second places while DeDrijver and bfcase are battling for third and fourth places. In an earlier game, we saw the latter win, but in the following contest (another win for White) DeDrijver evens things up with his opponent.

DeDrijver (1438) - bfcace (1486)
Play The Jerome Gambit Quad
Chess.com, 2012

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


4...Kxf7 5.c3

White goes for a "modern" Jerome Gambit variation, bypassing 5.Nxe5+.

5...Nf6 6.Ng5+ Kf8 7.d3 d5 8.exd5 Qxd5 9.f3 Bg4


Black offers to return a piece to rip open White's fortress. Rybka says "take the piece" but Rybka isn't human...

10.c4 Qd4 11.Qe2 Re8 12.fxg4 e4 13.Be3 Qe5


Black eases up on the presssure, whereas after 13...exd3 14.Bxd4 Rxe2+ 15.Kd1 Bxd4  he would have had a crushing position.

14.Bxc5+ Qxc5 15.dxe4

White returns the favor: he should have recaptured with the Knight, 15.Nxe4. In such crazy positions, it can be hard to find your bearings. 

15...Nd4 16.Qd3 Qa5+

More complications. It was okay to grab a piece with 16...Qxg5 and try to hold on.

17.Nc3 Qe5 18.Nd5 Nxg4

The knight at g5 is leading a charmed life! Black could have kept the game even with 18...Qxg5. But White's play lets him regain the balance.

19.Rf1+ Kg8 20.Nf3 Nxf3+ 21.Rxf3 Nxh2


22.Rf5

An illusion: the piece is not protected.

22...Qd6

Thinking, perhaps, about consolidating his position. However, the Rook imprisoned at h8 plays no part, and it begins to look like Black is a piece down. Worse, White has a nice shot.

23.Rd1 c6 24.Nf6+ Qxf6 25.Rxf6 gxf6


26.Qg3+ Kf7 27.Qxh2 Rxe4+ 28.Kf1 Rxc4 29.Rd7+ Ke8 30.Rxb7 Rc1+ 31.Ke2 Rc2+ 32.Kd3 Black resigned

Wednesday, April 4, 2012

On the Other Hand...


Bill Wall has championed the Jerome Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+) as well as many other unorthodox openings, but in the ongoing "Play the Jerome Gambit Quad" at Chess.com each player has to defend against the Jerome as well as play it. So, with perhaps a bit of reluctance...


bfcace (1437) - billwall (2489)
Play The Jerome Gambit Quad
Chess.com, 2012

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


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


7.f4 Qf6 8.Nc3 Qxf4

Black declined the f-pawn with 8...g6 in bfcace -DeDrijver, Play the Jerome Gambit Quad, Chess.com, 2012 (1-0, 18).

9.d4 Nf6 10.Qh3+

Instead, White exchanged Queens with 10.Bxf4 Nxh5 11.Bxe5 Bb6 in the silicon slugfest,  Fritz 5.32 - Deep Sjeng 1.5, The Jeroen Experience, 2003: 12.a4 Ba5 13.0-0 Bxc3 14.bxc3 d6 15.Rf5 Nf6 16.Bxf6 gxf6 17.Raf1 Rf8 18.Kf2 Bd7 19.a5 Ba4 20.Ke3 Rae8 21.R1f2 Bd7 22.c4 b6 23.axb6 cxb6 24.c3 Ra8 25.g4 Ke7 26.Rh5 Bxg4 27.Rxh7+ Rf7 28.Rh6 Be6 29.d5 Bd7 30.h4 a5 31.Ra2 f5 32.exf5 Bxf5 33.Rb2 Ra6 34.Re2 Kd7 35.Kd2 Kc7 36.Rf2 Ra8 37.Kc1 Raf8 38.Rf3 Kd7 39.Kb2 Be4 40.Rg3 Rf3 41.Rg7+ R8f7 42.Rg8 Rf1 43.Kb3 Rb1+ 44.Ka3 Ra1+ 45.Kb2 Rh1 46.Kb3 b5 47.Rhh8 Rb1+ 48.Ka3 bxc4 49.Rd8+ Kc7 50.Rc8+ Kb6 51.Rxc4 Bxd5 52.Rb8+ Rb7 53.Rxb7+ Kxb7 54.Rd4 Kc6 55.c4 Be6 56.Re4 Bd7 57.Rd4 Ra1+ 58.Kb2 Rh1 59.Kc3 Rh3+ 60.Kb2 Kc5 61.Rd5+ Kxc4 62.Rxd6 Bb5 63.Rh6 a4 64.Ka2 Kd4 65.Rd6+ Kc5 66.Rd1 Bc4+ 67.Kb1 a3 68.Rc1 Rxh4 69.Kc2 Rh2+ 70.Kc3 Rh3+ 71.Kc2 Kb4 72.Kb1 Rh2 73.Ka1 Kb3 74.Rb1+ Rb2 75.Rd1 Ra2+ 76.Kb1 Rc2 77.Ka1 Be2 78.Rb1+ Rb2 79.Rd1 Ra2+ 0-1

10...Qg4 11.Qxg4+ Nexg4 12.dxc5 c6


Black has a piece for a pawn, and, with the Queens off of the board he does not have to worry about immediate danger to his King.

For curiosity's sake, I can mention that two computer-vs-computer games saw Black defend differently:
12...Ne8 13.0-0 b6 14.cxb6 axb6 15.Nd5 Ba6 16.Rf5 d6 17.b3 Bb7 18.c4 Ngf6 19.Rf4 Nd7 20.Bd2 c6 21.Nc3 Nef6 22.Be3 Rhe8 23.Rd1 Ra3 24.h3 Re7 25.Rf2 Rf7 26.Rfd2 Ne8 27.Ne2 Re7 28.Bf4 Ndf6 29.Nc3 Kf7 30.Re1 Re6 31.Be3 Nd7 32.g4 h6 33.g5 hxg5 34.Bxg5 Kg8 35.Rg2 Bc8 36.h4 Nef6 37.Rd1 Ne5 38.Rf1 Kh7 39.Kh1 Nfd7 40.Bc1 Ra6 41.Bg5 Nc5 42.Rf8 Bd7 43.Be3 Ng6 44.Rd8 Nxe4 45.Bd4 c5 46.Rxd7 cxd4 47.Nxe4 Rxe4 48.h5 Ne7 49.h6 Kxh6 50.Rxd6+ Kh5 51.c5 Nf5 52.Rxb6 Ra5 53.Rb8 Rxc5 54.Rh8+ Nh6 55.Rd2 Kg4 56.Rf8 Rh5+ 57.Kg2 Nf5 58.a4 Re3 59.Rxf5 Rg3+ 0-1, Hiarcs 8 - Fritz 7, Utrecht, Engine Tournament, 2002; and
12...d6 13.Nb5 Kd7 14.cxd6 Re8 15.0-0 cxd6 16.h3 Ne5 17.Bh6 Nxe4 18.Bxg7 b6 19.Bxe5 Rxe5 20.Rf7+ Ke6 21.Rxa7 Rxa7 22.Nxa7 Bb7 23.a4 Rd5 24.Nb5 Rd2 25.Re1 Ke5 26.Na3 Kd4 27.Rf1 Nc5 28.Rf4+ Be4 29.Rg4 d5 30.b3 Rd1+ 31.Kf2 Kc3 32.Rg3+ Kb4 33.Ke2 Ra1 34.Nb5 Bxc2 35.Nd4 Bxb3 36.Nxb3 Nxb3 37.Rg7 Ra2+ 38.Kf1 d4 39.Rd7 Kc3 40.Rc7+ Nc5 41.a5 Rxa5 0-1 Zappa 1.1 - Pro Deo 1.1, Blitz:5, 2006.

13.0-0 Ne5 14.Bg5 h6 15.Bh4 b6 16.b4 Ba6 17.Rf2 Rhf8 18.a4 bxc5 19.b5 Bb7 20.a5 cxb5 21.Nxb5 Rab8


White's actions on the Queenside have stirred things up, and this emboldens him to take direct action against Black's King, but the idea rebounds.

22.Rd1 Bxe4 23.Rd6+ Ke7 24.Bxf6+ gxf6 25.Nc3 Kxd6 26.Nxe4+ Kc6

A Rook is a Rook.

27.h4 Ng4 28.Rf1 d5 29.Nd2 Ne3 30.Rc1 Rb2 White resigned

Monday, March 26, 2012

Commit It To Memory

At the end of last month I posted the famous Jerome Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4Bxf7+) game Amateur - Blackburne, London, 1885, which had been published in The Newcastle Courant of Saturday, December 3, 1898, with the admonition that Students would do well to commit it to memory, as strong players have a peculiarity of springing the opening upon the unwary.


"Students" who have not chosen to "commit it to memory" but who have, instead, relied on retaining a general idea of Blackburne's plan, have repeatedly learned, however, that often "half a defense is worse than no defense at all."

The newest example is from the ongoing "Play The Jerome Gambit Quad" at Chess.com.

ubluk (1864) - bfcace (1572)
Play The Jerome Gambit Quad
Chess.com, 2012

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


4...Kxf7 5.Nxe5+ Nxe5 6.Qh5+ g6 7.Qxe5 d6


Black's "generous" counter-offer of material.

8.Qxh8 Qh4 9.0-0 Qxe4


A key move in Blackburne's Defense is 9...Nf6, working on trapping White's Queen. If she escapes, as in this game, Black will regret his counter-sacrifice of a Rook.

10.Qxh7+

Or 10.d3 Qe5 11.Qxh7+ as in AlgozBR - khuizen, FICS, 2009 (1-0,17)

10...Kf8 11.d3

A bit better than 11.Nc3 as in perrypawnpusher - LtPoultry, blitz, FICS, 2010 (1-0, 12) and DREWBEAR 63 - blackburne, Jerome Gambit Thematic, ChessWorld, 2009 (1-0, 16).

11...Qe6

Previously seen was 11...Qf5 in obviously - dmyze, GameKnot.com, 2004 (1-0, 20).

12.Qxc7 Bb6 13.Qc3 Nf6


Black is down three pawns and the exchange (plus an unsafe King). This should tell as soon as White completes his development.

14.Bh6+ Kf7 15.Nd2 Bd7 16.Rae1 Qf5 17.Ne4 Rh8 18.Nxd6+

A final slip. Black resigned

Monday, March 19, 2012

Play the Jerome Gambit Quad

Around the corner, as it were, to the "1st Jerome Gambit Race" at Chess.com, mentioned in yesterday's post, is Chess.com's Play the Jerome Gambit Quad, which includes long-time Jerome Gambit Gemeinde member Bill Wall.

I'd like to share some of the rock 'em sock 'em games, starting with the first one finished.

bfcace (1619) - DeDrijver (1388)
Play The Jerome Gambit Quad
Chess.com, 2012

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


4...Kxf7 5.Nxe5+ Nxe5 6.Qh5+ Ke6 7.f4 Qf6 8.Nc3


There are only 8 examples of this gambling move (Will Black withdraw his Knight? Will he capture the pawn on f4?) in The Database, with the oldest being from a game between Hiarcs8 and Fritz7 in 2002 (0-1, 59), and the most recent from a game between Yigor and mrdenetop (1-0, 10) from the Kentucky Opening /Jerome Gambit tournament played at Chess.com last year (see "My Old Kentucky... Opening" and "Sunday Tournament Update").

8...g6 9.Qh3+ Kf7 10.Nd5 Qc6


Allowing White to capture at e5, which opens the floodgates.

11.fxe5 d6 12.Rf1+ Kg7 13.e6 Bxe6


Black is in trouble, but this move leads to mate.

14.Qc3+ Kh6 15.d4+ Kg7 16.dxc5+ Nf6 17.Qxf6+ Kg8 18.Ne7 checkmate