Brief: Adugbo Chess site

Check out the new YouTube video "What Chess Does to the Brain Is Not Normal," by Adugbo Chess. Learn what is going on "inside" when you are pushing pawns!

The Adugbo Chess has some other very interesting videos. More to learn. 

Jerome Gambit: Unbalanced and Short on Time

 

When White sacrifices a couple of pieces in the Jerome Gambit, he creates an imbalance in material that he hopes will yield attacking chances.

Sometimes, that does not happen. 

(There are over 50,000 Jerome Gambits in The Database. White scores 53%.)

In the following 1-minute game, White has only two chances.

Black can run out of time.

That did not happen.

Black can move a bit too quickly. 

Arman-Avdalyan - Toluwani_Keenchess 2025

Black has an overwhelming advantage. However, under intense time pressure, on his 74th move, he promoted a pawn to a Queen, creating a stalemate position - and the game is drawn. Promoting to a Rook would have won.

Jerome Gambit: As Simple And As Few As Possible

It can scarcely be denied that the supreme goal of all theory is to make the irreducible basic elements as simple and as few as possible without having to surrender the adequate representation of a single datum of experience.

The Ultimate Quotable Einstein (2010)

At various points in the following Jerome Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+) game, the players would have done well to heed Einstein's advice.

Also, as time diminishes, chaos increases.

pclaudio - Mollet21

5 0 blitz, lichess.org, 2025

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+ 

4....Kxf7 5.Nxe5+ Nxe5 6.Qh5+ Ke6 

7.f4 Ng6 8.Qd5+ 

A finesse, in order to capture the Bishop, with check, if Black's King retreats to e7.

He has tried the same idea with playing 8.Qf5+ first, e.g. 8...Kd6 9.Qd5+ (On revient toujours à ses premières amours) Ke7 10.Qxc5+ d6 11.Qg5+ Nf6 (11...Kd7 12.Qg4+ Ke8 13.f5 Ne5 14.Qh5+ Kf8 15.O-O Nf6 16.Qe2 Qe8 17.d4 Nc6 18.e5 dxe5 19.dxe5 Qxe5 20.Qc4 Qd5 21.Qc3 Bxf5 22.Bg5 Kf7 23.Nd2 h6 24.Bh4 g5 25.Bg3 Qd4+ 26.Qxd4 Nxd4 27.c3 Ne2+ 28.Kh1 Nxg3+ 29.hxg3 Bg6 30.Nc4 Rhe8 31.Rad1 Re7 32.Rd5 c6 33.Ne5+ Kg7 34.Rc5 Ne4 35.Nxg6 Kxg6 36.Rc4 Nxg3+ 37.Kg1 Nxf1 38.Kxf1 Rf8+ 39.Kg1 Re1+ 40.Kh2 Re2 41.Rb4 b6 42.Ra4 Rf7 43.Rb4 c5 44.Rb5 Rff2 45.a4 Rxg2+ 46.Kh3 h5 47.c4 g4+ 48.Kh4 Rh2+ 49.Kg3 Ref2 50.b4 Kg5 51.bxc5 h4 checkmate, pclaudio - Aquariano, 5 0 blitz, lichess.org, 2025) 12.f5 (12.O-O Kf7 13.e5 dxe5 14.fxe5 Qd5 15.Rxf6+ gxf6 16.Qxf6+ Kg8 17.Nc3 Qd4+ 18.Kh1 Bg4 19.h3 Rf8 20.Qg5 Rf1+ 21.Kh2 Qg1+ 22.Kg3 Rf3+ 23.Kxg4 Qxg2+ 24.Kh5 Rxh3+ 25.Qh4 Rxh4 checkmate, pclaudio - Koshey07, 5 0 blitz, lichess.org, 2025) 12...Ne5 13.d3 Rg8 14.O-O Qe8 15.Nc3 Qh5 16.Nd5+ Kd7 17.Nxf6+ gxf6 18.Qxh5 Kc6 Black resigned, pclaudio - FranMaroto, 5 0 blitz, lichess.org, 2025) 

Of course, there was also nothing wrong with capturing the Bishop directly, with 8.Qxc5.

8...Kf6

Necessary was 8...Ke7, even if that allowed White to capture the Bishop with check.

9.f5

White reasons: why not kick the Knight, then capture the Bishop?

In doing so, he overlooks the skewer 9.Qg5+, followed by the capture of the enemy Queen.

9...Bf2+ 

Black puts forth: If the Bishop is going to be captured, why not at least get a pawn for it?

There was also the simpler choice of defending the Bishop with 9...d6, when 10.fxg6 Kxg6!? would hold for Black, and 10.Rf1 would be met by 10...Qe7.

pclaudio has also faced 9...Nf4, although a rowdy game went wrong for him 10.Qxc5 Nxg2+ 11.Kf2 Nf4 12.d3 Nh5 13.Rg1 Nh6 14.Bg5+ Kf7 15.Bxd8 Rxd8 16.Nc3 d6 17.Qd5+ Kf8 18.Rg5 Nf4 19.Qd4 Nh3+ 20.Ke3 Nxg5 21.h4 Ngf7 22.Rg1 Ne5 23.Nd5 Nhg4+ 24.Rxg4 Nxg4+ 25.Kd2 c6 26.Nc7 Rb8 27.Ne6+ Bxe6 28.fxe6 Ne5 29.Qxa7 Ke7 30.a3 Kxe6 31.Qg1 Nf3+ White resigned, pclaudio - wren77, 5 0 blitz, lichess.org, 2025

10.Kxf2 Ne5 11.d4 

11...Ng4+ 

Instead, 11...Nf7 seems simpler. 

12.Kf1 

Later, upon examination, he might choose 12.Kg1.

12...Ne7

So many decisions, so little time!  Stockfish 16.1 recommends placing the Knight on that square, with 12...Ke7. 

Now, there is a forced checkmate.

13.e5+ Nxe5 

Less "simple" was 13...Kxf5 14.Qf7+ Nf6 15.g4+ Ke4 16.Nd2+ Kf4 17.Nb3+ Kxg4 18.Rg1+ Kh3 19.Qxg7 Nf5 20.Qg2+ Kh4 21.Qf2+ Ng3+ 22.Qxg3+ Kh5 23.Qh3 checkmate 

14.dxe5+ Kxf5 

15.e6+ 

The chess clock strikes!

The finish, instead: 15.Qf7+ Kxe5 16.Bf4+ Kd4 17.Na3 Qg8 18.Rd1+ Kc5 19.Qxe7+ d6 20.Qxc7+ Kb4 21.Rd4+ Qc4+ 22.Rxc4 checkmate 

15...Kg6

The chess clock strikes again! 

Black wins with 15...Nxd5

16.Qg5 checkmate

As the old nursery rhyme did not go

Hickory dickory dock

The mouse ran up the clock

The clock struck one 

But the other one got away...

Jerome Gambit: A Sudden Shift

In the following Jerome Gambit game, it is interesting to see how a sudden shift in play changes the outcome.

Arman-Avdalyan - CoolStoryBob99

1 0 bullet, lichess.org, 2025

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+ 

4...Kxf7 5.Nxe5+ Nxe5 6.Qh5+ g6 7.Qxe5 Qe7 

Returning to Whistler's defense to the Jerome Gambit.

8.Qxh8 

Once again, taking the bait. As laid out in "Jerome Gambit: Avoid the Quicksand"

Whistler's defense, possibly Black's strongest choice, from a computer's perspective.  

The Database, however, illustrates the complications of the position: there are 687 games with 7...Qe7, with White scoring 50%. Now, 8.Qxh8 has been played in 492 games, with White scoring 51%. Stockfish 16.1 scoffs.

Recommended, instead, is to leave the Rook alone and play 8.Qf4+, which appears in 73 games in The Database, with White scoring 57%.

8...Qxe4+ 9.Kf1 

Holding onto the g-pawn.

9...Nf6 10.Nc3 Qe7 

The sudden shift from attack to defense changes the balance in the game. It is not obvious why the text is an error. Instead, the right path started with 10...Qd4. 

11.d3 b6 

Black realizes that if he gets his Bishop to b7, his Rook will threaten the enemy Queen.

The computer, however, assesses that there is not time for that, and instead recommends exchanging Queens with 11...Qf8 12.Qxf8+ Bxf8.  

12.Bg5 Bd4 

This is a 1-minute game, and that limits calculation. Here Black abandons his original idea, although he should have continued with 12...Bb7, although White can exchange his way out of difficulty with 13.Qxf6+ Qxf6 14.Bxf6 Kxf6 15.Ne4+ Bxe4 16.dxe4 

13.Bxf6 Bxf6 14.Qxh7+ Kf8 15.Qxg6 Bb7 

White is ahead three pawns and the exchange.

16.Re1 Qc5 

A slip, likely an effect of the clock.

17.Qxf6+ Black resigned

Jerome Gambit: If I Only Had...

 

I recently ran across the above cartoon, and it aptly illustrates how the wider chess-playing world sees the Jerome Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+) and those who play it.

Nonetheless, I still say Pass the ice cream! 

Jerome Gambit: Avoid the Quicksand

 

Black's offer of a Rook in Whistler's defense to the Jerome Gambit is like an offer to step into quicksand - things might not turn out well for White.

I have tried to be clear about this, as in "Jerome Gambit: Taking the Rook Now is Fatal" - and in the following game.

Games played at bullet speed, 1 minute, no increment, though, make the outcome difficult to predict. Courting danger is ultra risky.

It is only fair to point out that, even so, the first player had a chance to escape his dilemma - which he discovered a bit too late.

Arman-Avdalyan - Nguoihatrong

1 0 bullet, lichess.org, 2025

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+ 

4...Kxf7 5.Nxe5+ Nxe5 6.Qh5+ g6 7.Qxe5 Qe7 

Whistler's defense, possibly Black's strongest choice, from a computer's perspective.

The Database, however, illustrates the complications of the position: there are 687 games with 7...Qe7, with White scoring 50%. Now, 8.Qxh8 has been played in 492 games, with White scoring 51%. Stockfish 16.1 scoffs.

Recommended, instead, is to leave the Rook alone and play 8.Qh4+, which appears in 73 games in The Database, with White scoring 57%.

8.Qxh8 

What follows is difficult to watch. White voluntarily walks into the quicksand. 

8...Qxe4+ 9.Kd1 Qg4+ 10.f3 Qxg2 11.Qxh7+ 

White strikes back, but his King still remains in mortal danger.

11...Kf8 12.Re1 Qxf3+ 13.Re2 Qf1+ 14.Re1 Qf3+ 15.Re2 d6 

Preparing to add one more piece to the attack.

16.d4 

White could use more development, himself.

16...Bg4 

I am impressed at Black's defense, especially in a game with limited thinking time. He seems to be familiar with the Jerome Gambit, although I can find only one other game of his in The Database.

That said, with this move he gets ahead of himself. The line suggested by Stockfish 16.1 treats White's King cruelly, and leads to great advantage: 16...Qf1+ 17.Kd2 Bg4 18.Nc3 Bb4 19.Re1 Qf2+ 20.Kd3 Bf5+ 21.Kc4 Bxc3 22.bxc3 Qxc2 23.Qxc7 Qa4+ 24.Kd5 Nf6+ 25.Kxd6 Qa6+ 26.Kc5 Rc8 when the first player's material deficit is apparent, and the danger to his King, unabated.

17.Nc3 

Protecting the Rook and coming to the aid of the King.

Alas, continuing the counter-attack (counter-counter-attack?) was necessary, instead, i.e. 17.Bh6+ Nxh6 18.Qxh6+ Kf7 (or 18...Kg8 19.Qxg6+, etc.) 19.Qh7+ Kf8 20.Qe7+ and White will check his way to a draw by repetition. Whew!

17...Bxd4 18.Bh6+ 

19...Nxh6 19.Qxh6+ Bg7 

The Bishop falls back on defense.

20.Qe3 

A slip, but nothing helps.

20...Qxe3 White resigned

Jerome Gambit: Fun

 

It is time to bring back, once again, the metaphor of "roller skating on ice" to describe the following 1-minute Jerome Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+) game.

At times, playing over the game, it feels like a scene from Laurel and Hardy (yes, I have used this photo before; see "Pie Fights")

Let's face it: the Jerome Gambit is fun.

Oh, and the above book (Ralph Nader, 1965) describes the car I regularly rode in to high school... Who knew that it would foretell this Jerome Gambit blog?

Ah, yes, the game...

Wolfpack1051 - Ck20

1 0 bullet, lichess.org, 2026

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

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

7.Qd5+ Kf8 8.Qxc5+ d6 9.Qe3 Qe7 

10.Nc3 c6 11.d4 Bd7 

Stockfish sees this little move as changing its assessment of the position to equal.

12.O-O Nf6 13.f4 Ng4

Uh oh, the Knight harassing the Queen. 

(Sigh. I have over 100 such examples in my own games in The Database.) 

14.Qg3 Qh4 15.f5 Qxg3 

16.hxg3 

Reflex. 16. fxg6+ first was the way to go.

Remember, this is a bullet time control. During the course of the game players used, on average, about 2 seconds per move. 

16...Ne7 17.Rf4 h5 18.Bd2 Kg8 19.Raf1 Kh7 20.Ne2 Raf8 

21.R4f3 Rf6 22.Nf4 Rhf8 

Black's King, for safety, moved to a square in front of this Rook, on the h-file. With this move, the Rook joins in the action on the f-file - neglecting the pawn on the h-file.

Chess is a complicated game, especially when it is played at breakneck speed.

23.Nxh5 R6f7 24.Rf4 Nf6 25.g4 Nxh5 26.gxh5 

The intruder Knight has been chased off and exchanged.

26...Rf6 

Risky, as it strengthens the response g2-g4.

27.Rg4 

Missing a chance.

27...Rh6 

Ask not for whom the clock ticks, it ticks for thee...

28.Bxh6 gxh6 

Capturing with the King, 28...Kxh6, leaving the pawn on the g-file where it might meet White's f-pawn, was stronger.

It is easier to see the future after the game. 

29.f6 

Passed pawns must be... patient. (Often "pushed", but not here.)

29...Rg8 

You can feel the time pressure.

30.Rxg8 Nxg8 

Again, capturing with the King is relatively better. Relatively. Black's position would still be losing.

White's next move threatens an unavoidable checkmate.

31.f7 Kg7 

32.f8=B+

Sense of humor. "Objectively" 32.f8=Q+ was best

32...Kh8 33.Bxd6 Bg4 34.Rf7 Be2 35.Be5+ 

White won on time.

(He had a checkmate in 15 moves, or something like that. 😊)