2r1k1nr/pbp5/2n1p2p/1BPp1Pp1/1b1Pp3/8/PPQBNPKP/RN3R2 b k - 2 18
FEN state: 2r1k1nr/pbp5/2n1p2p/1BPp1Pp1/1b1Pp3/8/PPQBNPKP/RN3R2 b k - 2 18 ; Best move: g8e7
The current state of the chess board is: Black rook at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7 and black pawn at c7. Black knight at c6, black pawn at e6 and black pawn at h6. White bishop at b5, white pawn at c5, black pawn at d5, white pawn at f5 and black pawn at g5. Black bishop at b4, white pawn at d4 and black pawn at e4. White pawn at a2, white pawn at b2, white queen at c2, white bishop at d2, white knight at e2, white pawn at f2, white king at g2 and white pawn at h2. White rook at a1, white knight at b1 and white rook at f1. Black kingside is the only castle move available. Half move number is 2. Full move number is 18. Black to move.