diff --git a/db_compare.py b/db_compare.py
index f6797916..112d4276 100644
--- a/db_compare.py
+++ b/db_compare.py
@@ -104,7 +104,6 @@ def check_reseni():
 
 	same_fields = ['id', 'forma', 'poznamka']
 	renamed_fields = [('timestamp', 'cas_doruceni'),
-		# Also moved fields
 		('problem_id', 'hodnoceni.problem_id'),
 		('body', 'hodnoceni.body'),
 		('cislo_body_id', 'hodnoceni.cislo_body_id'),
@@ -126,11 +125,11 @@ def check_reseni():
 	oldcur = oldconn.cursor()
 	old_results = oldcur.execute(old_query).fetchall()
 	newcur = newconn.cursor()
-	new_results = newcur.execute(old_query).fetchall()
+	new_results = newcur.execute(new_query).fetchall()
 
 	for oldr in old_results:
 		if oldr not in new_results:
-			raise ValueError(f'Pair {oldr} not found in new db.')
+			raise ValueError(f'Reseni pair {oldr} not found in new db.')
 
 def check_organizator():
 	old_query = 'SELECT * FROM seminar_organizatori ORDER BY id'
@@ -255,10 +254,106 @@ def check_pohadka():
 
 
 # Problémy jsou rozdělené podle typů:
+def check_problem_common():
+	query = "SELECT * FROM seminar_problemy ORDER BY id"
+
+	same_fields = ['id', 'nazev', 'stav', 'autor', 'kod']
+	renamed_fields = [
+		('text_org', 'poznamka'),
+		('timestamp', 'vytvoreno'),
+		]
+	old_fields = same_fields + [f[0] for f in renamed_fields]
+	new_fields = same_fields + [f[1] for f in renamed_fields]
+
+	old_res, new_res = execute_simple(query)
+	res = zip(old_res,new_res)
+
+	for o,n in res:
+		check_same(o,n, old_fields, new_fields)
+
+	# Opravovatelé
+	old_query = "SELECT id, opravovatel_id FROM seminar_problemy"
+	new_query = "SELECT problem_id, opravovatel_id FROM seminar_problemy_opravovatele"
+
+	# Simple cursors
+	oldcur = oldconn.cursor()
+	old_results = oldcur.execute(old_query).fetchall()
+	newcur = newconn.cursor()
+	new_results = newcur.execute(new_query).fetchall()
+
+	for oldr in old_results:
+		if oldr not in new_results:
+			raise ValueError(f'Opravovatel pair {oldr} not found in new db.')
+
+	# FIXME: Zaměření?
+
+
 def check_uloha():
-	raise NotImplementedError()
+	old_query = "SELECT * FROM seminar_problemy WHERE typ = 'uloha' ORDER BY id"
+	new_query = """SELECT cislo_zadani, cislo_reseni, problem_ptr_id, max_body, uzt.na_web AS text_zadani, uvt.na_web AS text_reseni
+	FROM seminar_ulohy
+	-- Problém:
+	JOIN seminar_problemy AS problem ON problem_ptr_id = problem.id
+	-- Text zadání:
+	INNER JOIN seminar_nodes_uloha_zadani AS uzn ON id = uzn.uloha_id
+	INNER JOIN seminar_nodes_treenode AS uztn ON uztn.id = uzn.treenode_ptr_id
+	INNER JOIN seminar_nodes_obsah AS uzo ON uzo.treenode_ptr_id = uztn.first_child_id
+	INNER JOIN seminar_texty AS uzt ON uzo.text_id = uzt.id
+	-- Text vzoráku:
+	INNER JOIN seminar_nodes_uloha_zadani AS uvn ON id = uvn.uloha_id
+	INNER JOIN seminar_nodes_treenode AS uvtn ON uvtn.id = uvn.treenode_ptr_id
+	INNER JOIN seminar_nodes_obsah AS uvo ON uvo.treenode_ptr_id = uvtn.first_child_id
+	INNER JOIN seminar_texty AS uvt ON uvo.text_id = uvt.id
+
+	ORDER BY problem_ptr_id"""
+
+	same_fields = ['cislo_zadani', 'cislo_reseni', 'text_zadani', 'text_reseni']
+	renamed_fields = [
+		('id', 'problem_ptr_id'),
+		('body', 'max_body'),
+		]
+	old_fields = same_fields + [f[0] for f in renamed_fields]
+	new_fields = same_fields + [f[1] for f in renamed_fields]
+
+	old_res, new_res = execute_simple(old_query, new_query)
+	res = zip(old_res,new_res)
+
+	for o,n in res:
+		check_same(o,n, old_fields, new_fields)
+	# TODO: cislo_deadline
+
 def check_tema():
-	raise NotImplementedError()
+	old_query = "SELECT * FROM seminar_problemy WHERE typ IN ('tema', 'serial') ORDER BY id"
+	new_query = """SELECT tema_typ, zad_text.na_web as text_zadani, res_text.na_web as text_reseni
+	FROM seminar_temata
+	-- Problém:
+	JOIN seminar_problemy AS problem ON problem_ptr_id = problem.id
+	-- Text:
+	-- TvCNode má dva potomky, oba TextNode. První drží původní text zadání, druhý řešení.
+	INNER JOIN seminar_nodes_temavcisle as tvcn ON tvcn.tema_id = id
+	INNER JOIN seminar_nodes_treenode AS roottn ON tvcn.treenode_ptr_id = roottn.id
+	INNER JOIN seminar_nodes_treenode AS zad_tn ON roottn.first_child_id = zad_tn.id
+	INNER JOIN seminar_nodes_treenode AS res_tn ON zad_tn.succ_id = res_tn.id
+	INNER JOIN seminar_nodes_obsah AS zad_on ON zad_on.treenode_ptr_id = zad_tn.id
+	INNER JOIN seminar_nodes_obsah AS res_on ON res_on.treenode_ptr_id = res_tn.id
+	INNER JOIN seminar_texty as zad_text ON zad_on.text_id = zad_text.id
+	INNER JOIN seminar_texty as res_text ON res_on.text_id = res_text.id
+
+	ORDER BY problem_ptr_id"""
+	same_fields = ['text_zadani', 'text_reseni']
+	renamed_fields = [
+		('typ', 'tema_typ'),
+		]
+	old_fields = same_fields + [f[0] for f in renamed_fields]
+	new_fields = same_fields + [f[1] for f in renamed_fields]
+
+	old_res, new_res = execute_simple(old_query, new_query)
+	res = zip(old_res,new_res)
+
+	for o,n in res:
+		check_same(o,n, old_fields, new_fields)
+	#TODO: Tema.rocnik
+
 def check_konfera():
 	old_query = "SELECT * FROM seminar_problemy WHERE typ = 'konfera'"
 	new_query = "SELECT * FROM seminar_konfera JOIN seminar_problemy as problem ON problem_ptr_id = problem.id"
@@ -278,7 +373,20 @@ def check_org_clanek():
 		raise ValueError('There exists a Org-clanek!')
 
 def check_res_clanek():
-	raise NotImplementedError()
+	old_query = "SELECT * FROM seminar_problemy WHERE typ = 'res-clanek' ORDER BY id"
+	new_query = "SELECT * FROM seminar_clanky JOIN seminar_problemy as problem ON problem_ptr_id = problem.id ORDER BY problem_ptr_id"
+	same_fields = []
+	renamed_fields = [
+		]
+	old_fields = same_fields + [f[0] for f in renamed_fields]
+	new_fields = same_fields + [f[1] for f in renamed_fields]
+
+	old_res, new_res = execute_simple(old_query, new_query)
+	res = zip(old_res,new_res)
+
+	for o,n in res:
+		check_same(o,n, old_fields, new_fields)
+	# TODO: Cislo
 
 def check_untyped_problem():
 	old_query = "SELECT * FROM seminar_problemy WHERE typ NOT IN ('uloha', 'tema', 'serial', 'konfera', 'org-clanek', 'res-clanek')"
@@ -304,6 +412,7 @@ check_nastaveni()
 check_novinky()
 check_pohadka()
 
+check_problem_common()
 check_uloha()
 check_tema()
 check_konfera()