r1bq1b1r/3ppkpp/n4p2/ppP2n2/8/2P1PP2/P2PKNPP/RNB1QB1R w - - 1 10
FEN state: r1bq1b1r/3ppkpp/n4p2/ppP2n2/8/2P1PP2/P2PKNPP/RNB1QB1R w - - 1 10 ; Best move: e3e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at d7, black pawn at e7, black king at f7, black pawn at g7 and black pawn at h7. Black knight at a6 and black pawn at f6. Black pawn at a5, black pawn at b5, white pawn at c5 and black knight at f5. White pawn at c3, white pawn at e3 and white pawn at f3. White pawn at a2, white pawn at d2, white king at e2, white knight at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 10. White to move.