r2qk3/3pp1bp/pp1p2p1/5r2/1nbP1P1P/P1P2PP1/7Q/RnB1K1NR w KQq - 4 19
FEN state: r2qk3/3pp1bp/pp1p2p1/5r2/1nbP1P1P/P1P2PP1/7Q/RnB1K1NR w KQq - 4 19 ; Best move: a3b4
The current state of the chess board is: Black rook at a8, black queen at d8 and black king at e8. Black pawn at d7, black pawn at e7, black bishop at g7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at d6 and black pawn at g6. Black rook at f5. Black knight at b4, black bishop at c4, white pawn at d4, white pawn at f4 and white pawn at h4. White pawn at a3, white pawn at c3, white pawn at f3 and white pawn at g3. White queen at h2. White rook at a1, black knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 4. Full move number is 19. White to move.