rn2k2r/p2p4/b1pbp1p1/1p1P2B1/1PP1n2p/q1NQ1PpP/3NP1R1/1R2KB2 b kq - 0 20
FEN state: rn2k2r/p2p4/b1pbp1p1/1p1P2B1/1PP1n2p/q1NQ1PpP/3NP1R1/1R2KB2 b kq - 0 20 ; Best move: e4g5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at h8. Black pawn at a7 and black pawn at d7. Black bishop at a6, black pawn at c6, black bishop at d6, black pawn at e6 and black pawn at g6. Black pawn at b5, white pawn at d5 and white bishop at g5. White pawn at b4, white pawn at c4, black knight at e4 and black pawn at h4. Black queen at a3, white knight at c3, white queen at d3, white pawn at f3, black pawn at g3 and white pawn at h3. White knight at d2, white pawn at e2 and white rook at g2. White rook at b1, white king at e1 and white bishop at f1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 20. Black to move.