rqb1k1nr/3p2bp/pp2p3/Q1P2pp1/2Pn1N2/N7/PB2PPPP/R3KB1R b Qkq - 1 13
FEN state: rqb1k1nr/3p2bp/pp2p3/Q1P2pp1/2Pn1N2/N7/PB2PPPP/R3KB1R b Qkq - 1 13 ; Best move: b6a5
The current state of the chess board is: Black rook at a8, black queen at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at d7, black bishop at g7 and black pawn at h7. Black pawn at a6, black pawn at b6 and black pawn at e6. White queen at a5, white pawn at c5, black pawn at f5 and black pawn at g5. White pawn at c4, black knight at d4 and white knight at f4. White knight at a3. White pawn at a2, white bishop at b2, white pawn at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white king at e1, white bishop at f1 and white rook at h1. White queenside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. Black to move.