r4b1r/pp2kp2/3p1nB1/1Pp1pbpp/P7/N4N2/nQ1PPP1P/R1B1K1R1 w Q - 2 18
FEN state: r4b1r/pp2kp2/3p1nB1/1Pp1pbpp/P7/N4N2/nQ1PPP1P/R1B1K1R1 w Q - 2 18 ; Best move: g6f5
The current state of the chess board is: Black rook at a8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black king at e7 and black pawn at f7. Black pawn at d6, black knight at f6 and white bishop at g6. White pawn at b5, black pawn at c5, black pawn at e5, black bishop at f5, black pawn at g5 and black pawn at h5. White pawn at a4. White knight at a3 and white knight at f3. Black knight at a2, white queen at b2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 2. Full move number is 18. White to move.