Bogo-Indian Defence, Monticelli Trap

Monticelli Trap
abcdefgh
8
a8 black rook
b8 black knight
d8 black queen
f8 black rook
g8 black king
a7 black pawn
b7 black bishop
c7 black pawn
d7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
b6 black pawn
e6 black pawn
g5 white knight
c4 white pawn
d4 white pawn
c3 black knight
g3 white pawn
a2 white pawn
b2 white pawn
c2 white queen
e2 white pawn
f2 white pawn
g2 white bishop
h2 white pawn
a1 white rook
e1 white king
h1 white rook
8
77
66
55
44
33
22
11
abcdefgh
Moves1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Bxd2+ 5.Qxd2 b6 6.g3 Bb7 7.Bg2 O-O 8.Nc3 Ne4 9.Qc2 Nxc3 10.Ng5
ECOE11
OriginMonticelli vs. Prokeš, Budapest 1926
Named afterMario Monticelli
ParentBogo–Indian Defense

In chess, the Monticelli Trap is a combination in the Bogo–Indian Defence, named for Italian champion Mario Monticelli from the game Monticelli versus Prokeš, Budapest 1926.[1] Although it is called a trap because White wins the exchange, Black does obtain some compensation.

The trap begins with the moves:

1. d4 Nf6
2. c4 e6
3. Nf3 Bb4+
Black plays the Bogo–Indian Defence.
4. Bd2 Bxd2+
5. Qxd2 b6
6. g3 Bb7
7. Bg2 O-O
8. Nc3 Ne4
9. Qc2 Nxc3
10. Ng5! (see diagram)