r1b1k1nr/pp1p1p2/3bp2p/2p5/3nP1p1/N6P/PPPP1qP1/R1BQKB1R w kq - 0 13
FEN state: r1b1k1nr/pp1p1p2/3bp2p/2p5/3nP1p1/N6P/PPPP1qP1/R1BQKB1R w kq - 0 13 ; Best move: e1f2
The current state of the chess board is: Black rook at a8, black bishop at c8, 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 f7. Black bishop at d6, black pawn at e6 and black pawn at h6. Black pawn at c5. Black knight at d4, white pawn at e4 and black pawn at g4. White knight at a3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at d2, black queen at f2 and white pawn at g2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. White to move.