rb1qkr2/p4pp1/npp1n3/3p3p/3N4/P1B3N1/R1P1KPPP/Q5R1 w q - 2 18
FEN state: rb1qkr2/p4pp1/npp1n3/3p3p/3N4/P1B3N1/R1P1KPPP/Q5R1 w q - 2 18 ; Best move: g1e1
The current state of the chess board is: Black rook at a8, black bishop at b8, black queen at d8, black king at e8 and black rook at f8. Black pawn at a7, black pawn at f7 and black pawn at g7. Black knight at a6, black pawn at b6, black pawn at c6 and black knight at e6. Black pawn at d5 and black pawn at h5. White knight at d4. White pawn at a3, white bishop at c3 and white knight at g3. White rook at a2, white pawn at c2, white king at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White queen at a1 and white rook at g1. Black queenside is the only castle move available. Half move number is 2. Full move number is 18. White to move.