rnb1kbn1/4ppp1/pp1p4/8/2P2Pp1/2N1P1r1/qBPPBK1N/R2Q4 w q - 0 19
FEN state: rnb1kbn1/4ppp1/pp1p4/8/2P2Pp1/2N1P1r1/qBPPBK1N/R2Q4 w q - 0 19 ; Best move: a1a2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at a6, black pawn at b6 and black pawn at d6. White pawn at c4, white pawn at f4 and black pawn at g4. White knight at c3, white pawn at e3 and black rook at g3. Black queen at a2, white bishop at b2, white pawn at c2, white pawn at d2, white bishop at e2, white king at f2 and white knight at h2. White rook at a1 and white queen at d1. Black queenside is the only castle move available. Half move number is 0. Full move number is 19. White to move.