r1bqk1nr/pp1p3p/2p3p1/P3pp2/1n2P1P1/bPP2P1N/R2PB2P/1N1QK1R1 w kq - 1 13
FEN state: r1bqk1nr/pp1p3p/2p3p1/P3pp2/1n2P1P1/bPP2P1N/R2PB2P/1N1QK1R1 w kq - 1 13 ; Best move: a2a3
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7 and black pawn at h7. Black pawn at c6 and black pawn at g6. White pawn at a5, black pawn at e5 and black pawn at f5. Black knight at b4, white pawn at e4 and white pawn at g4. Black bishop at a3, white pawn at b3, white pawn at c3, white pawn at f3 and white knight at h3. White rook at a2, white pawn at d2, white bishop at e2 and white pawn at h2. White knight at b1, white queen at d1, white king at e1 and white rook at g1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. White to move.