r1b1kbnr/pp2p3/2qp2p1/2p1np2/5PPp/2NPK2P/PPPBP3/RQ3BNR w kq - 1 12
FEN state: r1b1kbnr/pp2p3/2qp2p1/2p1np2/5PPp/2NPK2P/PPPBP3/RQ3BNR w kq - 1 12 ; Best move: g4f5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7 and black pawn at e7. Black queen at c6, black pawn at d6 and black pawn at g6. Black pawn at c5, black knight at e5 and black pawn at f5. White pawn at f4, white pawn at g4 and black pawn at h4. White knight at c3, white pawn at d3, white king at e3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at c2, white bishop at d2 and white pawn at e2. White rook at a1, white queen at b1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 12. White to move.