r1b1k3/2p2pb1/2np4/PpP1p2p/2NPQ1pq/P4P1P/4P1P1/R1BK1BNR w q - 3 19
FEN state: r1b1k3/2p2pb1/2np4/PpP1p2p/2NPQ1pq/P4P1P/4P1P1/R1BK1BNR w q - 3 19 ; Best move: e4c6
The current state of the chess board is: Black rook at a8, black bishop at c8 and black king at e8. Black pawn at c7, black pawn at f7 and black bishop at g7. Black knight at c6 and black pawn at d6. White pawn at a5, black pawn at b5, white pawn at c5, black pawn at e5 and black pawn at h5. White knight at c4, white pawn at d4, white queen at e4, black pawn at g4 and black queen at h4. White pawn at a3, white pawn at f3 and white pawn at h3. White pawn at e2 and white pawn at g2. White rook at a1, white bishop at c1, white king at d1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 3. Full move number is 19. White to move.