rnk2b1r/pb2p1p1/2p2p1n/1N1p3p/p1P2P2/1QP2N1P/RP1KP1PR/2B2B2 w - - 5 13
FEN state: rnk2b1r/pb2p1p1/2p2p1n/1N1p3p/p1P2P2/1QP2N1P/RP1KP1PR/2B2B2 w - - 5 13 ; Best move: a2a4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at e7 and black pawn at g7. Black pawn at c6, black pawn at f6 and black knight at h6. White knight at b5, black pawn at d5 and black pawn at h5. Black pawn at a4, white pawn at c4 and white pawn at f4. White queen at b3, white pawn at c3, white knight at f3 and white pawn at h3. White rook at a2, white pawn at b2, white king at d2, white pawn at e2, white pawn at g2 and white rook at h2. White bishop at c1 and white bishop at f1. Both players have exhausted their castles. Half move number is 5. Full move number is 13. White to move.