r1bq1br1/p2Bp1pp/1p4kn/2pp4/3QP3/4PPP1/PPP4P/R1B1K1R1 w Q - 3 18
FEN state: r1bq1br1/p2Bp1pp/1p4kn/2pp4/3QP3/4PPP1/PPP4P/R1B1K1R1 w Q - 3 18 ; Best move: d4d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at g8. Black pawn at a7, white bishop at d7, black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at b6, black king at g6 and black knight at h6. Black pawn at c5 and black pawn at d5. White queen at d4 and white pawn at e4. White pawn at e3, white pawn at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at c2 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 3. Full move number is 18. White to move.