r3kbnr/pp3p2/nq5p/2pppbp1/P3P3/2N2P1P/RPPPB1P1/2BQ1KNR w kq - 1 10
FEN state: r3kbnr/pp3p2/nq5p/2pppbp1/P3P3/2N2P1P/RPPPB1P1/2BQ1KNR w kq - 1 10 ; Best move: e4f5
The current state of the chess board is: Black rook at a8, 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 f7. Black knight at a6, black queen at b6 and black pawn at h6. Black pawn at c5, black pawn at d5, black pawn at e5, black bishop at f5 and black pawn at g5. White pawn at a4 and white pawn at e4. White knight at c3, white pawn at f3 and white pawn at h3. White rook at a2, white pawn at b2, white pawn at c2, white pawn at d2, white bishop at e2 and white pawn at g2. White bishop at c1, white queen at d1, white king 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 10. White to move.