1rb2bnr/2pq1k1p/2n1pp2/pp1p2p1/P2P2N1/1P2PPP1/2PN2BP/1RBQK1R1 w - - 0 19
FEN state: 1rb2bnr/2pq1k1p/2n1pp2/pp1p2p1/P2P2N1/1P2PPP1/2PN2BP/1RBQK1R1 w - - 0 19 ; Best move: a4b5
The current state of the chess board is: Black rook at b8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7, black queen at d7, black king at f7 and black pawn at h7. Black knight at c6, black pawn at e6 and black pawn at f6. Black pawn at a5, black pawn at b5, black pawn at d5 and black pawn at g5. White pawn at a4, white pawn at d4 and white knight at g4. White pawn at b3, white pawn at e3, white pawn at f3 and white pawn at g3. White pawn at c2, white knight at d2, white bishop at g2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 19. White to move.