r2r4/ppp1p1kp/n2pb2n/1q2Ppb1/P4PpP/6PQ/RPPP1K2/1NB3NR w - - 1 19
FEN state: r2r4/ppp1p1kp/n2pb2n/1q2Ppb1/P4PpP/6PQ/RPPP1K2/1NB3NR w - - 1 19 ; Best move: a4b5
The current state of the chess board is: Black rook at a8 and black rook at d8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at e7, black king at g7 and black pawn at h7. Black knight at a6, black pawn at d6, black bishop at e6 and black knight at h6. Black queen at b5, white pawn at e5, black pawn at f5 and black bishop at g5. White pawn at a4, white pawn at f4, black pawn at g4 and white pawn at h4. White pawn at g3 and white queen at h3. White rook at a2, white pawn at b2, white pawn at c2, white pawn at d2 and white king at f2. White knight at b1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 19. White to move.