r4b1r/1q1b1kpp/2n1p3/pp3p2/1Pp2PnP/Q1PPN3/P3P1P1/R1B1KBNR b KQ - 5 19
FEN state: r4b1r/1q1b1kpp/2n1p3/pp3p2/1Pp2PnP/Q1PPN3/P3P1P1/R1B1KBNR b KQ - 5 19 ; Best move: a5b4
The current state of the chess board is: Black rook at a8, black bishop at f8 and black rook at h8. Black queen at b7, black bishop at d7, black king at f7, black pawn at g7 and black pawn at h7. Black knight at c6 and black pawn at e6. Black pawn at a5, black pawn at b5 and black pawn at f5. White pawn at b4, black pawn at c4, white pawn at f4, black knight at g4 and white pawn at h4. White queen at a3, white pawn at c3, white pawn at d3 and white knight at e3. White pawn at a2, white pawn at e2 and white pawn at g2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 5. Full move number is 19. Black to move.