r2k2nr/1ppb1pp1/3p3p/2b1p3/1nB3P1/P1PPP1q1/1P3P1P/R1B1K1NR w KQ - 4 18
FEN state: r2k2nr/1ppb1pp1/3p3p/2b1p3/1nB3P1/P1PPP1q1/1P3P1P/R1B1K1NR w KQ - 4 18 ; Best move: h2g3
The current state of the chess board is: Black rook at a8, black king at d8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black bishop at d7, black pawn at f7 and black pawn at g7. Black pawn at d6 and black pawn at h6. Black bishop at c5 and black pawn at e5. Black knight at b4, white bishop at c4 and white pawn at g4. White pawn at a3, white pawn at c3, white pawn at d3, white pawn at e3 and black queen at g3. White pawn at b2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 4. Full move number is 18. White to move.