Chess Opening Theory/1. e4/1...e5/2. Bc4/2...Nf6/3. d4/3...exd4/4. Nf3

Bishop's Opening: Ponziani-Urusov Gambit
a b c d e f g h 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 a b c d e f g h
Position in Forsyth-Edwards Notation (FEN) rnbqkb1r/pppp1ppp/5n2/8/2BpP3/5N2/PPP2PPP/RNBQK2R b
Moves: 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3

Bishop's Opening: Ponziani-Urusov Gambit

4. Nf3

White has placed the knight on f3, supporting the idea of the pawn in e5 to expand in the centre and attack Black’s knight.

Theory table

For explanation of theory tables, see theory table and for notation, see algebraic notation..

1. e4 e5 2. Bc4 Nf6 3. d4!? exd4! 4. Nf3

	4	5	6	7	8	9
Two Knights Defence by transposition	Nf3 Nc6	e5					=
	... ...	O-O					=
Keidansky Gambit	... Nxe4	Qxd4 Nf6	Nc3 Nc6	Qh4			=
	... ...	... ...	... Be7	Bg5 c6	O-O-O d5	Rhe1 Be6!	=
Panov Variation	... d5	exd5 Bb4+	c3 Qe7+	Be2 dxc3	Nxc3 O-O	O-O Re8	=

References

• Panov, Vasily. (1973). Teoría de Aperturas, Tomo I: Aperturas Abiertas - Aperturas Semiabiertas. ISBN 84-270-0132-0.