r1b1kb2/np1p3r/p4q2/2p1p2P/PP4np/R1P2N1B/3PPP1R/1NBQK3 w q - 0 19
FEN state: r1b1kb2/np1p3r/p4q2/2p1p2P/PP4np/R1P2N1B/3PPP1R/1NBQK3 w q - 0 19 ; Best move: h3g4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black bishop at f8. Black knight at a7, black pawn at b7, black pawn at d7 and black rook at h7. Black pawn at a6 and black queen at f6. Black pawn at c5, black pawn at e5 and white pawn at h5. White pawn at a4, white pawn at b4, black knight at g4 and black pawn at h4. White rook at a3, white pawn at c3, white knight at f3 and white bishop at h3. White pawn at d2, white pawn at e2, white pawn at f2 and white rook at h2. White knight at b1, white bishop at c1, white queen at d1 and white king at e1. Black queenside is the only castle move available. Half move number is 0. Full move number is 19. White to move.