r1bk1b1r/2pp1p1p/1p3N2/3Pp1p1/QPP1P1n1/5q1P/P4PP1/R1B1KBNR w KQ - 0 18
FEN state: r1bk1b1r/2pp1p1p/1p3N2/3Pp1p1/QPP1P1n1/5q1P/P4PP1/R1B1KBNR w KQ - 0 18 ; Best move: g1f3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at b6 and white knight at f6. White pawn at d5, black pawn at e5 and black pawn at g5. White queen at a4, white pawn at b4, white pawn at c4, white pawn at e4 and black knight at g4. Black queen at f3 and white pawn at h3. White pawn at a2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 18. White to move.