rnbk4/3p2p1/p3np2/1q6/PpP4r/1P3P1B/3PP2P/RQ1NK1NR w KQ - 1 19
FEN state: rnbk4/3p2p1/p3np2/1q6/PpP4r/1P3P1B/3PP2P/RQ1NK1NR w KQ - 1 19 ; Best move: a4b5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black king at d8. Black pawn at d7 and black pawn at g7. Black pawn at a6, black knight at e6 and black pawn at f6. Black queen at b5. White pawn at a4, black pawn at b4, white pawn at c4 and black rook at h4. White pawn at b3, white pawn at f3 and white bishop at h3. White pawn at d2, white pawn at e2 and white pawn at h2. White rook at a1, white queen at b1, white knight at d1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 19. White to move.