r3kb1r/p1q2p1p/1ppp4/4pbB1/1P2n1nP/N2P3N/P3PP2/RQ2KB1R b KQkq - 0 13
FEN state: r3kb1r/p1q2p1p/1ppp4/4pbB1/1P2n1nP/N2P3N/P3PP2/RQ2KB1R b KQkq - 0 13 ; Best move: e4g5
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black queen at c7, black pawn at f7 and black pawn at h7. Black pawn at b6, black pawn at c6 and black pawn at d6. Black pawn at e5, black bishop at f5 and white bishop at g5. White pawn at b4, black knight at e4, black knight at g4 and white pawn at h4. White knight at a3, white pawn at d3 and white knight at h3. White pawn at a2, white pawn at e2 and white pawn at f2. White rook at a1, white queen at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. Black to move.