r1bq1knr/1N1p4/p1p1p2p/2b2p1Q/2PN4/3P1P1P/PP1PK1P1/1RB2B1R w - - 5 18
FEN state: r1bq1knr/1N1p4/p1p1p2p/2b2p1Q/2PN4/3P1P1P/PP1PK1P1/1RB2B1R w - - 5 18 ; Best move: b7d8
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. White knight at b7 and black pawn at d7. Black pawn at a6, black pawn at c6, black pawn at e6 and black pawn at h6. Black bishop at c5, black pawn at f5 and white queen at h5. White pawn at c4 and white knight at d4. White pawn at d3, white pawn at f3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at d2, white king at e2 and white pawn at g2. White rook at b1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 18. White to move.