r1b2rk1/p4p2/3p3p/2n1p1pn/1NB1P1PP/PPP1PQ2/3N1P2/R1B2KR1 w - - 0 18
FEN state: r1b2rk1/p4p2/3p3p/2n1p1pn/1NB1P1PP/PPP1PQ2/3N1P2/R1B2KR1 w - - 0 18 ; Best move: b4d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black rook at f8 and black king at g8. Black pawn at a7 and black pawn at f7. Black pawn at d6 and black pawn at h6. Black knight at c5, black pawn at e5, black pawn at g5 and black knight at h5. White knight at b4, white bishop at c4, white pawn at e4, white pawn at g4 and white pawn at h4. White pawn at a3, white pawn at b3, white pawn at c3, white pawn at e3 and white queen at f3. White knight at d2 and white pawn at f2. White rook at a1, white bishop at c1, white king at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. White to move.