r1bq1bn1/p1p1k1r1/3pp2p/1p2Ppp1/Qn3P2/2P3PB/PP1PN2P/RNB1K2R w Q - 2 12
FEN state: r1bq1bn1/p1p1k1r1/3pp2p/1p2Ppp1/Qn3P2/2P3PB/PP1PN2P/RNB1K2R w Q - 2 12 ; Best move: a4b4
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 knight at g8. Black pawn at a7, black pawn at c7, black king at e7 and black rook at g7. Black pawn at d6, black pawn at e6 and black pawn at h6. Black pawn at b5, white pawn at e5, black pawn at f5 and black pawn at g5. White queen at a4, black knight at b4 and white pawn at f4. White pawn at c3, white pawn at g3 and white bishop at h3. White pawn at a2, white pawn at b2, white pawn at d2, white knight at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at h1. White queenside is the only castle move available. Half move number is 2. Full move number is 12. White to move.