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Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...exd4/7. Re1/7...d5/8. Nxd4/8...Bd6/9. Nxc6/9...Bxh2/10. Kh1/10...Qh4/11. Rxe4/11...dxe4/12. Qd8/12...Qxd8/13. Nxd8/13...Kxd8/14. Kxh2

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Ruy Lopez:Riga Variation
a b c d e f g h
8a8 black rookb8 black kingc8 black bishopd8 black kinge8 black kingf8 black kingg8 black kingh8 black rook8
7a7 black kingb7 black pawnc7 black pawnd7 black kinge7 black kingf7 black pawng7 black pawnh7 black pawn7
6a6 black pawnb6 black kingc6 black kingd6 black kinge6 black kingf6 black kingg6 black kingh6 black king6
5a5 black kingb5 black kingc5 black kingd5 black kinge5 black kingf5 black kingg5 black kingh5 black king5
4a4 white bishopb4 black kingc4 black kingd4 black kinge4 black pawnf4 black kingg4 black kingh4 black king4
3a3 black kingb3 black kingc3 black kingd3 black kinge3 black kingf3 black kingg3 black kingh3 black king3
2a2 white pawnb2 white pawnc2 white pawnd2 black kinge2 black kingf2 white pawng2 white pawnh2 white king2
1a1 white rookb1 white knightc1 white bishopd1 black kinge1 black kingf1 black kingg1 black kingh1 black king1
a b c d e f g h
Position in Forsyth-Edwards Notation (FEN)

r1bk3r/1pp2ppp/p7/8/B3p3/8/PPP2PPK/RNB5 b

Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 exd4 7. Re1 d5 8. Nxd4 Bd6 9. Nxc6 Bxh2 10. Kh1 Qh4 11. Rxe4 dxe4 12. Qd8 Qxd8 13. Nxd8 Kxd8 14. Kxh2

Ruy Lopez, Riga Variation, Main Line

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White has taken the hanging bishop, and material balance has been restored. After the dust settles, white has a knight and bishop (and the bishop pair) for a rook and two pawns.

Now, black must see to the protection of the weak f pawn and counter white's active light squared bishop. The move here is 14...Be6. This contains white's bishop, giving it nowhere to go without being taken. If white plays poorly, black may be able to trap the bishop as well. Other moves allow white's bishop to occupy the a2-g8 diagonal first.

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References

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Wikipedia has related information at Ruy Lopez

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