analyze_position {bigchess}

Analyze position

Description

Analyze position using UCI engine and R API

Usage

analyze_position(engine, san = NULL, lan = NULL, ...)

Arguments

engine

engine path or engine object from uci_engine()

san

movetext in short algebraic notation, default NULL

lan

movetext in long algebraic notation, default NULL

...

further arguments passed directly to uci_go()

Value

list containg bestomove, score and bestlines

Examples

# Linux (make sure you have executable permission):
engine_path <- "./stockfish_10_x64"
# Windows
# engine_path <- "./stockfish_10_x64.exe"
require(magrittr)
ap <- analyze_position(engine_path,san = "1. e4",depth = 20)
ap$bestmove_lan
# "e7e5"
ap$score
# -7
ap$bestmove_san
# "e5"
ap$curpos_lan
# "e2e4"
ap$curpos_san
# "1. e4"
ap$bestline_san
# "e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Be7
# 6. Re1 d6 7. Nxd4 Ne5 8. Bb3 O-O 9. Nc3 c5
# 10. Nf5 Bxf5 11. exf5 c4 12. Ba4 a6 13. Qe2"
ap$bestline_lan
# "e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 g8f6 e1g1 f8e7
# f1e1 d7d6 f3d4 c6e5 c4b3 e8g8 b1c3 c7c5 d4f5
# c8f5 e4f5 c5c4 b3a4 a7a6 d1e2"