Enclosed you can see a remarkable attacking game played in Spain some years ago and published in recent book of Budapest gambit by Viktor Moskalenko
It would be interesting on suggesting some lines to confirm their validity. Is an speciality of USA NM Jim West, and I myself have added many theoretical lines for the comprehension on whole variation.
Mayo,M. – Herms, J.; Spain, 2004
1.d4 Nf6 2.c4 e5 3.dxe5 Ne4 4.Nf3 d6!?The typical break in the Fajarowicz; the idea is to attack the pawn on e5 and to create an exit for the c8 bishop with …Bf5.Usual is 4...Nc6 of course
5.exd6Accepting the gambit is risky for White so he should look at another ten (!) possibilities; for instance, some of them:
A) 5.g3 Nc6 and
B) 5.e3 Nc6 both transposes to the line on Faja with 4…Nc6, and they are good for Black
C) 5.Nbd2 Nc5 ( I don’t agree West idea 5…Bf5 directly of his games vs. Szuper, Lustig and Privman, so 6.Nxe4 Bxe4 7.Ng5 Bg6 8.e6! fxe6 9.Nxe6 of
Diedam-Scharff, GER Oberliga, 1986 and now after 9…Qe7 10.Nf4! White get the advantage ) and now best choice is 6.g3!? Nc6 transposing to a well-known Main Line in the Faja via 4.Nf3 Nc6 5.Nbd2 Nc6 6.g3 d6. White idea is to occupy d5, although the plan is a little slow and does nothing to show up the disadvantages of the knight’s placement on d5. Black knight controls some important squares, in particular impeding the advance e2-e4 and it turns out in a lot of variations to be well c5 placed in a semi-blockading position behind the White c-pawn.
On the other hand if for instance. 6.Nb3 Ne6 ( 6…Ne4 7.Qd5 ) 7.exd6 Bxd6 8.c5 of
Sanchez Criado-Herms, Barcelona, 2006; then 8..Nxc5 9.Nxc5 Bxc5 10.Qxd8+ Kxd8 11.Bf4 Bb4+!
D) 5.Qd5!? and now instead of 5…Nc5?! 6.Bg5! of
Gareev-West, Liberty Bell op. 40’, 2009, Black can try 5…f5 6.exd6 ( 6.Nc3 Nc6 7.Nxe4 – 7.Bf4 Nxc3 8.bxce dxe5 – 7…fxe4 8.Qxe4 dxe5 9.a3 Qf6 ) 6…Nc6 7.e3 Nc6 ( 7…c6 ) 8.a3 Qe7 9.Qd1 Be6 10.Be2 g5 with counter play;
Gerke-Gegner, Dortmund, 2000.
E) 5.Qc2!? is recommended by Tim Harding in his book “The Fighting Fajarowicz” as the best move. Though 5…Bf5 is bad analyzed so after 6.Nc3! d5 ( Black has lost a tempo already, but 6…Ng3 7.e4 Nxh1 8.exf5 dxe5 9.Be3! ) 7.cxd5 Bb4? When 8.Qa4+! +- of
Uhle-Glasewald, corr., ICCF World Cup 8/9, 1990 is a major improvement on Tseitlin & Glazkov 8.Qb3; but also 7…Nxc3 8.Qxf5 Nxd5 9.Bd2 or 9.a3 are advantageous for White.
Tseilin & Glazkov give 5…Nc5 as the best reply, and also was played in
Rogers,I-Rogers,C; Gold Coast op, 1999 but their analysis is not so correct and after 6.b4 Ne6 7.a3 dxe5 ( Even I suggest 7..a5!? ) 8.Nxe5 not 8…Qd4? by simple 9.Bb2, if not 8…a5! according Fritz9 or Hiarcs10. Maybe White best chances are 6.Bg5!? or 6.Nc3 dxe5 7.Be3.
Probably best choice for Black is Vasconcellos's line 5…d5 6.cxd5 Qxd5 7.Nxc3 Nxc3 8.Qxc3 Nc6 ( “Teoria e Práctica do Gambito Budapeste”, page 43 )
5...Bxd6Threatening to terminate White by 6…Nxf2! 7.Kxf2 Bxg3+ and 8…Qxd1
6.e3Now if
6.Qc2 Bf5 7.Nc3 Bb4 8.Bd2 Bxc3 9.Bxc3 0-0 = Vasconcellos, F.
But its possible
6.Nbd2 Bf5 and 7.e3 Nc6 8.Be2 Qf6 9.0-0 0-0-0 10.Nxe4 Bxe4 with compensation
Gonzalez-Carpintero, Las Palmas, 1992; or 7.g3 Qe7 ( 7…0-0 ) 8.Nxe4 Bxe4 9.Bg2 Nc6 10.0-0 with slight White advantage,
Martin Valentin-Herms, Spain, 2007 6…Nc6 7.a37.Be2 Bf5 ( 7…0-0; 7…Qf6: 7…Bg4!? ) 8.0-0 Qf6 9.Nbd2 0-0-0 of
Slajs-Korostenski, Ceske Budejovice op., 2000 is a previous transposition to Gonzalez-Carpintero, Las Palmas, 1992 with 6.Nbd2, so 9…Nc5 10.Nb3 is a small plus to White (
Rohde-Splane, San Mateo rapid, 1990), by transposition too
7...Bf5A desirable position for any FG player. Black will soon gain the upper hand thanks to his good development. Another positional idea is 7…a5!?
8.Be2 Qe7An even more aggressive move is
8…Qf6!?, taking control of the f6-a1 diagonal. For example 9.0-0 0-0-0 10.Qb3 g5! ( this might be the stem game of the strong plan …g5-g4, followed by …Bxh2+; the alternative is 10…Qg6!? ) 11.Nc3 g4 12.Nxe4 Bxe4 13.Nd2 ( 13.Ne1 Qh6!? 14.g3 f5 -+ ) 13…Bxh2+ 14.Kxh2 Qh4+ 15.Kg1 Rxd2 ( 15…Bxg2! is the classical Lasker-Bauer continuation ) 16.Bxd2 Ne5 17.Qc3 f6 18.Qd4 of
Fronczek-Hoffmann,R; Baden-Alsace junior match, 1996; and now the winning move was 18…Nf3+!
9.Nbd2 0-0-0 10.Nxe4 Bxe4 11.Qa4 g5!This powerful resource increases Black’s initiative
12.0-0 g4!Attacking the only White piece that defends the kingside
13.Nd2 Bxh2+!!Some themes known since Romantic Age keep returning. Minor pieces are sacrificed to break open the enemy fortress.
14.Kxh2 Qh4+ 15.Kg1 Bxg2!Today, the idea of this fabulous attack is still alive
16.f4If 16.Kxg2 Qh3+ 17.Kg1 g3 ( or 17…Ne5! ) 18.Nf3 Rhg8 19.e4 gxf2+ 20.Kxf2 Rg2+ 21.Ke3 Qh6+
16…gxf316…Rxd2!? 17.Bxd2 Be4 -+
17.Bxf3 Bxf3 18.Rxf3 Qe1+!Cutting of the king’s road to safety is the key of victory
19.Nf1 Rhg8+ 20.Kh1 Qh4+ 21.Nh2 Qg5 0:1
White gets matted.