rn1q3r/p2kpp1p/3p1np1/2p5/8/4bNP1/PPPP1PRP/RNBQK3 w Q - 2 10
FEN state: rn1q3r/p2kpp1p/3p1np1/2p5/8/4bNP1/PPPP1PRP/RNBQK3 w Q - 2 10 ; Best move: d2e3
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8 and black rook at h8. Black pawn at a7, black king at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at d6, black knight at f6 and black pawn at g6. Black pawn at c5. Black bishop at e3, white knight at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at d2, white pawn at f2, white rook at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1 and white king at e1. White queenside is the only castle move available. Half move number is 2. Full move number is 10. White to move.