2r1n1kr/pp1bb1p1/3pp2q/3BPp1p/1n6/1P3Q2/P1PP1PPP/RNB1KR2 w Q - 4 19
FEN state: 2r1n1kr/pp1bb1p1/3pp2q/3BPp1p/1n6/1P3Q2/P1PP1PPP/RNB1KR2 w Q - 4 19 ; Best move: d5b7
The current state of the chess board is: Black rook at c8, black knight at e8, black king at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black bishop at d7, black bishop at e7 and black pawn at g7. Black pawn at d6, black pawn at e6 and black queen at h6. White bishop at d5, white pawn at e5, black pawn at f5 and black pawn at h5. Black knight at b4. White pawn at b3 and white queen at f3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at f1. White queenside is the only castle move available. Half move number is 4. Full move number is 19. White to move.