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Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5

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< Chess Opening Theory | 1. e4 | 1...e5 | 2. Nf3 | 2...Nc6 | 3. Bc4 | 3...Nf6 | 4. Ng5 | 4...d5 | 5. exd5
The latest reviewed version was checked on 13 July 2022. There is 1 pending change awaiting review.
Two Knights Defence: Polerio Defense
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Position in Forsyth-Edwards Notation (FEN)

r1bqkb1r/ppp2ppp/5n2/n2Pp1N1/2B5/8/PPPP1PPP/RNBQK2R w

Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5

Two Knights Defence: Polerio Defense

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5...Na5

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Attacking the bishop, and getting out of the pawn's attack. This is Black's best move.

Theory table

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

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5
6
Main Line Bb5+
c6		 +/=
b3
h6		 =
6. d3: Morphy Variation d3
h6		 =

Wikipedia has related information at Two Knights Defence

Statistics

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Estimated next move popularity
Bb5+ 87.4%, d3 11.9%, b3 0.7%

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References

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v · t · e
Chess openings quick reference
1. e4
1...e5 · Open
2. Nf3
With 2...Nc6:

With other 2nd moves:
2. Other

1...c5 · Sicilian
2... Nf3 · Open Sicilian
With 2...Nc6:

With 2...d6:

With 2...e6:

With other 2nd moves:
Anti-Sicilians
1... other
Caro-Kann
French
Other


1. d4
1...d5 · Closed
2. c4
2. Nc3
2. other
1...Nf6 · Indian
2. c4
With 2...e6:

With 2...g6:

With other 2nd moves for Black:
2. Nf3
2. other
1... other
Flank
Unorthodox
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