rn3kn1/p2pqp2/1p1p2p1/1b6/2N1PPp1/b1P4r/PP1Q1K1P/RNBR4 w - - 3 18
FEN state: rn3kn1/p2pqp2/1p1p2p1/1b6/2N1PPp1/b1P4r/PP1Q1K1P/RNBR4 w - - 3 18 ; Best move: b1a3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at f8 and black knight at g8. Black pawn at a7, black pawn at d7, black queen at e7 and black pawn at f7. Black pawn at b6, black pawn at d6 and black pawn at g6. Black bishop at b5. White knight at c4, white pawn at e4, white pawn at f4 and black pawn at g4. Black bishop at a3, white pawn at c3 and black rook at h3. White pawn at a2, white pawn at b2, white queen at d2, white king at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1 and white rook at d1. Both players have exhausted their castles. Half move number is 3. Full move number is 18. White to move.