r1bq1k1r/ppp4p/n1np1p2/2b1p3/2Q1P2p/P3B3/2PP1PPP/RN2KBR1 w Q - 6 12
FEN state: r1bq1k1r/ppp4p/n1np1p2/2b1p3/2Q1P2p/P3B3/2PP1PPP/RN2KBR1 w Q - 6 12 ; Best move: e3h6
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7 and black pawn at h7. Black knight at a6, black knight at c6, black pawn at d6 and black pawn at f6. Black bishop at c5 and black pawn at e5. White queen at c4, white pawn at e4 and black pawn at h4. White pawn at a3 and white bishop at e3. White pawn at c2, white pawn at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 6. Full move number is 12. White to move.