rnb1k1nr/1pB3bq/2pp4/3p1p2/pP1P1P2/P3K1P1/2P1P3/2RQ1BN1 b k - 2 18
FEN state: rnb1k1nr/1pB3bq/2pp4/3p1p2/pP1P1P2/P3K1P1/2P1P3/2RQ1BN1 b k - 2 18 ; Best move: g8f6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at b7, white bishop at c7, black bishop at g7 and black queen at h7. Black pawn at c6 and black pawn at d6. Black pawn at d5 and black pawn at f5. Black pawn at a4, white pawn at b4, white pawn at d4 and white pawn at f4. White pawn at a3, white king at e3 and white pawn at g3. White pawn at c2 and white pawn at e2. White rook at c1, white queen at d1, white bishop at f1 and white knight at g1. Black kingside is the only castle move available. Half move number is 2. Full move number is 18. Black to move.