rnb1k2r/pp2np2/2p1pb1p/3p1qp1/PP2PP1P/R2P4/2PB1QP1/1N2KBNR w Kkq - 0 12
FEN state: rnb1k2r/pp2np2/2p1pb1p/3p1qp1/PP2PP1P/R2P4/2PB1QP1/1N2KBNR w Kkq - 0 12 ; Best move: e4f5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7, black knight at e7 and black pawn at f7. Black pawn at c6, black pawn at e6, black bishop at f6 and black pawn at h6. Black pawn at d5, black queen at f5 and black pawn at g5. White pawn at a4, white pawn at b4, white pawn at e4, white pawn at f4 and white pawn at h4. White rook at a3 and white pawn at d3. White pawn at c2, white bishop at d2, white queen at f2 and white pawn at g2. White knight at b1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 12. White to move.