Spoiler alert: The new encoding saves some space. This post explains some technical details of the new storage format. We need more storage space, so we're upgrading the servers and we're also trying to store the games more efficiently. I need to run it through ASAN/UBSAN/Valgrind to make sure there are no memory leaks, but if this ends up being useful, let me know and I'll round out the corners on the pkg.Our database runs on 3 servers (1 primary, 2 secondaries), each with two 480GB SSDs in a RAID 1 configuration, and one server with a 1h delayed replica. If the game file is malformed, it won't parse properly (as it shouldn't). One nice thing about using a well-established C "library" (it's technically not a library but I shoehorned it into one) is that it does more than just pattern match. # $ Black "Sedgwick, David", "Dickenson, Neil F", "Adams, Michael", "Adams, Michael", "Levitt, Jonathan", "S. # $ White "Adams, Michael", "Adams, Michael", "Hebden, Mark", "Pasman, Michael", "Adams, Michael", "Adams, M. # $ Site "London", "London", "London", "London", "London", "London", "Edinburgh", "Edinburgh", "Edinburgh". # $ Event "Lloyds Bank op", "Lloyds Bank op", "Lloyds Bank op", "Lloyds Bank op", "Lloyds Bank op", "Lloyds. with 2,972 more rows, and 1 more variables: Moves # 6 Lloyds Bank op London 1984.?.? 9 Adams, Michael Saeed, Saeed Ahmed 1-0 2430 B56 # 5 Lloyds Bank op London 1984.?.? 6 Adams, Michael Levitt, Jonathan 1/2-1/2 2370 B99 # 4 Lloyds Bank op London 1984.?.? 5 Pasman, Michael Adams, Michael 0-1 2310 D42 # 3 Lloyds Bank op London 1984.?.? 4 Hebden, Mark Adams, Michael 1-0 2480 B10
# 2 Lloyds Bank op London 1984.?.? 3 Adams, Michael Dickenson, Neil F 1-0 2230 C07 # 1 Lloyds Bank op London 1984.?.? 1 Adams, Michael Sedgwick, David 1-0 C05 # $ Black "Ding Liren (CHN)", "Aronian Levon (ARM)" # $ White "Aronian Levon (ARM)", "Ding Liren (CHN)" with 2 more variables: LiveChessVersion, Moves Here's a small test with a built-in data set that might be the one you're also working from: fide Use ( tidyverse is not really needed for the package to work but IMO it prints the data frames more cleanly than the built-in base R print functions): library(pigeon) Install: devtools::install_github("hrbrmstr/pigeon") You'll need a R setup that enables compilation from source (i.e.
COMPRESS MULTILE PGN INTO ONE PGN CHESS WINDOWS
I haven't tested this on Windows or Linux yet but the C codebase that the package is based on claims to be very portable. So is there a way to account for this in my regular expression? or a way to automatically change the file to make the pgn a single line? The issues here is my pgn information is multiple lines.
COMPRESS MULTILE PGN INTO ONE PGN CHESS HOW TO
I have attempted this with influence from R: How to read in a PGN as a Data Frame and have come up with: pgn <- read.table("~/Desktop/GitHub/Chess/test.pgn", quote="",Ĭolumn_names <- sub("\\)
Then a separate column for the PGN string. I would like to create a data frame with this data where the column titles are the word to the left of each string, and the data is the string. The games are contained in the file like this: ġ. pgn (Portable Game Notation) of a large number of chess games.
0 kommentar(er)
