Place dry wood chips in aluminum tray over flame in closed smoker or barbecue. When smoke develops, place fish on rack above smoking chips. Smoke, covered, for 4 minutes at low heat. Cook sea bass uncovered in a flat pan in the oven for 4 minutes at 325 degrees. Drain and mash potatoes with 1 tablespoon of olive oil with salt and pepper to taste.
Pat cucumbers dry with paper towel.
Arrange in a circle around the edge of a plate 8 slices of marinated cucumber. Spoon mashed potatoes onto center of the plate as a bed for fish filet. Place cooked sea bass filet in center of plate, atop the potatoes. Ladle sauce over fish. Makes 4 servings.