r1b1kbr1/pp2p1p1/nqp5/2np1p1p/5PPP/1P3N2/P1PPB1K1/RNBQ3R w q - 0 12
FEN state: r1b1kbr1/pp2p1p1/nqp5/2np1p1p/5PPP/1P3N2/P1PPB1K1/RNBQ3R w q - 0 12 ; Best move: g4h5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at e7 and black pawn at g7. Black knight at a6, black queen at b6 and black pawn at c6. Black knight at c5, black pawn at d5, black pawn at f5 and black pawn at h5. White pawn at f4, white pawn at g4 and white pawn at h4. White pawn at b3 and white knight at f3. White pawn at a2, white pawn at c2, white pawn at d2, white bishop at e2 and white king at g2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 12. White to move.