r3k1nr/p4pq1/n7/1p1p1Ppp/1bpP1pBP/Q1P2N2/PP2P2R/RNBK4 w - - 3 18
FEN state: r3k1nr/p4pq1/n7/1p1p1Ppp/1bpP1pBP/Q1P2N2/PP2P2R/RNBK4 w - - 3 18 ; Best move: a3a6
The current state of the chess board is: Black rook at a8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at f7 and black queen at g7. Black knight at a6. Black pawn at b5, black pawn at d5, white pawn at f5, black pawn at g5 and black pawn at h5. Black bishop at b4, black pawn at c4, white pawn at d4, black pawn at f4, white bishop at g4 and white pawn at h4. White queen at a3, white pawn at c3 and white knight at f3. White pawn at a2, white pawn at b2, white pawn at e2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1 and white king at d1. Both players have exhausted their castles. Half move number is 3. Full move number is 18. White to move.