rnb2bnr/p3p2p/1pppkp2/2q3p1/4PP2/PP1B1RPP/2PPN3/RNBQK3 w Q - 1 12
FEN state: rnb2bnr/p3p2p/1pppkp2/2q3p1/4PP2/PP1B1RPP/2PPN3/RNBQK3 w Q - 1 12 ; Best move: b3b4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at e7 and black pawn at h7. Black pawn at b6, black pawn at c6, black pawn at d6, black king at e6 and black pawn at f6. Black queen at c5 and black pawn at g5. White pawn at e4 and white pawn at f4. White pawn at a3, white pawn at b3, white bishop at d3, white rook at f3, white pawn at g3 and white pawn at h3. White pawn at c2, white pawn at d2 and white knight at e2. 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 1. Full move number is 12. White to move.