r3kb2/4pp1r/ppppb3/n5p1/2P1P1P1/P7/RPqPKPB1/1NB3NR w q - 1 19
FEN state: r3kb2/4pp1r/ppppb3/n5p1/2P1P1P1/P7/RPqPKPB1/1NB3NR w q - 1 19 ; Best move: b2b3
The current state of the chess board is: Black rook at a8, black king at e8 and black bishop at f8. Black pawn at e7, black pawn at f7 and black rook at h7. Black pawn at a6, black pawn at b6, black pawn at c6, black pawn at d6 and black bishop at e6. Black knight at a5 and black pawn at g5. White pawn at c4, white pawn at e4 and white pawn at g4. White pawn at a3. White rook at a2, white pawn at b2, black queen at c2, white pawn at d2, white king at e2, white pawn at f2 and white bishop at g2. White knight at b1, white bishop at c1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 19. White to move.