r1bq1knr/1p1n1pb1/2Pp2pp/1B1Qp3/6P1/p3PN2/PPP2PKP/RNB3R1 w - - 3 18
FEN state: r1bq1knr/1p1n1pb1/2Pp2pp/1B1Qp3/6P1/p3PN2/PPP2PKP/RNB3R1 w - - 3 18 ; Best move: d5d6
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at f8, black knight at g8 and black rook at h8. Black pawn at b7, black knight at d7, black pawn at f7 and black bishop at g7. White pawn at c6, black pawn at d6, black pawn at g6 and black pawn at h6. White bishop at b5, white queen at d5 and black pawn at e5. White pawn at g4. Black pawn at a3, white pawn at e3 and white knight at f3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at f2, white king at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1 and white rook at g1. Both players have exhausted their castles. Half move number is 3. Full move number is 18. White to move.