rn2k1r1/2pp2pp/b3pn2/PN3p2/4P1P1/B1P4P/P2P1K2/R2Q1BbR w q - 0 13
FEN state: rn2k1r1/2pp2pp/b3pn2/PN3p2/4P1P1/B1P4P/P2P1K2/R2Q1BbR w q - 0 13 ; Best move: h1g1
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at g8. Black pawn at c7, black pawn at d7, black pawn at g7 and black pawn at h7. Black bishop at a6, black pawn at e6 and black knight at f6. White pawn at a5, white knight at b5 and black pawn at f5. White pawn at e4 and white pawn at g4. White bishop at a3, white pawn at c3 and white pawn at h3. White pawn at a2, white pawn at d2 and white king at f2. White rook at a1, white queen at d1, white bishop at f1, black bishop at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 13. White to move.