Explain this to me

This table contains stats for heroes' picks and bans.
Rank is used to sort heroes by winrate, taking number of their picks and bans into account. Higher rank means the hero is stronger. Rev-Rank (Reverse Rank) is used to show the least effective heroes with the most number of matches.
Number of bans is calculated approximately based on ratio of matches on the position to all matches of the hero.
Balance metric estimates how balanced the meta is (0 to 100)

Median hero picks (mp): 5 - Median hero bans (mb): 8 - Matches: 86

Remove low picks (0.9mp) Remove low bans (0.9mb)

Balance rank	Winrate	Pickrate	Contest Rate
40.2	44.4	43.9	20.3

Hero	Position	Matches	Contest Rate	Rank	Rev-Rank	Picked	Winrate	mp	Banned	Winrate	mb
Dark Seer	Core Offlane	21	24.42%	100.00	30.16	8	87.50%	1.6	13	69.23%	1.6
Queen of Pain	Core Midlane	58	67.44%	99.47	83.60	28	57.14%	5.6	30	67.57%	3.8
Bane	Support Safelane	23	26.74%	98.94	55.56	15	80.00%	3.0	8	36.36%	1.0
Mirana	Support Offlane	9	10.47%	98.41	15.87	6	100.00%	1.2	3	33.33%	0.4
Lycan	Core Offlane	13	15.12%	97.88	20.63	3	100.00%	0.6	10	70.00%	1.3
Outworld Destroyer	Core Offlane	18	20.93%	97.35	38.10	5	100.00%	1.0	13	52.00%	1.6
Kunkka	Core Midlane	24	27.91%	96.83	62.43	10	70.00%	2.0	14	58.06%	1.8
Beastmaster	Core Offlane	56	65.12%	96.30	94.18	13	46.15%	2.6	43	56.60%	5.4
Tidehunter	Core Offlane	26	30.23%	95.77	66.14	10	80.00%	2.0	16	42.31%	2.0
Templar Assassin	Core Safelane	34	39.53%	95.24	78.31	11	72.73%	2.2	23	45.16%	2.9
Razor	Core Safelane	29	33.72%	94.71	71.96	12	75.00%	2.4	17	40.54%	2.1
Vengeful Spirit	Support Offlane	4	4.65%	94.18	2.12	4	100.00%	0.8	0	0.00%	0.0
Bane	Support Offlane	42	48.84%	93.65	88.89	28	57.14%	5.6	14	36.36%	1.8
Lina	Core Midlane	44	51.16%	93.12	88.36	11	36.36%	2.2	33	63.64%	4.1
Storm Spirit	Core Midlane	29	33.72%	92.59	77.78	16	68.75%	3.2	13	30.77%	1.6
Wraith King	Core Safelane	45	52.33%	92.06	92.06	23	52.17%	4.6	22	50.00%	2.8
Weaver	Support Offlane	41	47.67%	91.53	89.95	19	47.37%	3.8	22	58.97%	2.8
Ember Spirit	Core Midlane	36	41.86%	91.01	85.71	15	46.67%	3.0	21	61.90%	2.6
Invoker	Core Midlane	59	68.60%	90.48	97.88	20	45.00%	4.0	39	48.78%	4.9
Timbersaw	Core Offlane	36	41.86%	89.95	85.19	10	50.00%	2.0	26	55.88%	3.3
Puck	Core Midlane	54	62.79%	89.42	96.30	22	40.91%	4.4	32	56.25%	4.0
Outworld Destroyer	Core Midlane	18	20.93%	88.89	59.26	5	80.00%	1.0	13	52.00%	1.6
Phantom Assassin	Core Safelane	41	47.67%	88.36	91.01	13	61.54%	2.6	28	40.63%	3.5
Ursa	Core Safelane	20	23.26%	87.83	63.49	6	66.67%	1.2	14	57.14%	1.8
Night Stalker	Core Offlane	28	32.56%	87.30	79.89	7	57.14%	1.4	21	51.85%	2.6
Io	Support Offlane	48	55.81%	86.77	95.77	14	50.00%	2.8	34	43.10%	4.3
Spirit Breaker	Support Offlane	24	27.91%	86.24	77.25	11	54.55%	2.2	13	55.88%	1.6
Morphling	Core Safelane	29	33.72%	85.71	80.42	3	0.00%	0.6	26	65.38%	3.3
Legion Commander	Core Offlane	14	16.28%	85.19	41.80	2	100.00%	0.4	12	55.56%	1.5
Nyx Assassin	Support Offlane	26	30.23%	84.66	83.07	14	57.14%	2.8	12	40.00%	1.5
Snapfire	Support Offlane	33	38.37%	84.13	92.59	24	50.00%	4.8	9	36.36%	1.1
Mars	Core Offlane	58	67.44%	83.60	98.94	23	39.13%	4.6	35	44.74%	4.4
Luna	Core Safelane	43	50.00%	83.07	96.83	17	29.41%	3.4	26	62.96%	3.3
Grimstroke	Support Safelane	8	9.30%	82.54	25.93	5	80.00%	1.0	3	37.50%	0.4
Treant Protector	Support Safelane	17	19.77%	82.01	74.07	11	54.55%	2.2	6	50.00%	0.8
Troll Warlord	Core Safelane	21	24.42%	81.48	76.19	4	50.00%	0.8	17	52.94%	2.1
Spirit Breaker	Core Offlane	29	33.72%	80.95	93.12	13	38.46%	2.6	16	55.88%	2.0
Treant Protector	Support Offlane	10	11.63%	80.42	45.50	6	66.67%	1.2	4	50.00%	0.5
Leshrac	Core Midlane	10	11.63%	79.89	39.15	4	75.00%	0.8	6	50.00%	0.8
Kunkka	Core Safelane	27	31.40%	79.37	90.48	11	36.36%	2.2	16	58.06%	2.0
Clockwerk	Support Offlane	6	6.98%	78.84	21.69	5	80.00%	1.0	1	0.00%	0.1
Queen of Pain	Core Safelane	10	11.63%	78.31	44.97	5	60.00%	1.0	5	67.57%	0.6
Io	Support Safelane	34	39.53%	77.78	95.24	10	40.00%	2.0	24	43.10%	3.0
Void Spirit	Core Midlane	12	13.95%	77.25	60.85	6	50.00%	1.2	6	71.43%	0.8
Faceless Void	Core Safelane	22	25.58%	76.72	82.54	4	75.00%	0.8	18	36.36%	2.3
Tidehunter	Core Safelane	11	12.79%	76.19	51.85	4	75.00%	0.8	7	42.31%	0.9
Viper	Core Offlane	10	11.63%	75.66	44.44	3	66.67%	0.6	7	57.14%	0.9
Broodmother	Core Offlane	29	33.72%	75.13	93.65	1	100.00%	0.2	28	39.29%	3.5
Rubick	Support Offlane	15	17.44%	74.60	75.13	10	50.00%	2.0	5	50.00%	0.6
Disruptor	Support Offlane	13	15.12%	74.07	69.31	10	50.00%	2.0	3	60.00%	0.4
Terrorblade	Core Safelane	13	15.12%	73.54	61.90	3	66.67%	0.6	10	47.06%	1.3
Templar Assassin	Core Midlane	6	6.98%	73.02	19.05	2	100.00%	0.4	4	45.16%	0.5
Grimstroke	Support Offlane	15	17.44%	72.49	78.84	10	50.00%	2.0	5	37.50%	0.6
Jakiro	Support Safelane	4	4.65%	71.96	17.46	4	75.00%	0.8	0	0.00%	0.0
Earth Spirit	Core Midlane	2	2.33%	71.43	4.76	2	100.00%	0.4	0	0.00%	0.0
Doom	Core Offlane	23	26.74%	70.90	94.71	8	25.00%	1.6	15	55.00%	1.9
Gyrocopter	Support Offlane	3	3.49%	70.37	11.64	2	100.00%	0.4	1	33.33%	0.1
Dazzle	Support Safelane	4	4.65%	69.84	15.34	2	100.00%	0.4	2	33.33%	0.3
Sand King	Core Safelane	3	3.49%	69.31	9.52	1	100.00%	0.2	2	83.33%	0.3
Sand King	Core Offlane	8	9.30%	68.78	48.15	3	33.33%	0.6	5	83.33%	0.6
Razor	Core Offlane	19	22.09%	68.25	91.53	8	37.50%	1.6	11	40.54%	1.4
Disruptor	Support Safelane	13	15.12%	67.72	82.01	10	40.00%	2.0	3	60.00%	0.4
Beastmaster	Core Safelane	9	10.47%	67.20	52.91	2	50.00%	0.4	7	56.60%	0.9
Gyrocopter	Support Safelane	6	6.98%	66.67	39.68	5	60.00%	1.0	1	33.33%	0.1
Monkey King	Support Offlane	24	27.91%	66.14	97.35	8	25.00%	1.6	16	45.45%	2.0
Batrider	Core Midlane	19	22.09%	65.61	89.42	4	25.00%	0.8	15	46.67%	1.9
Lifestealer	Core Safelane	6	6.98%	65.08	26.46	2	50.00%	0.4	4	75.00%	0.5
Chen	Support Offlane	3	3.49%	64.55	13.23	2	100.00%	0.4	1	0.00%	0.1
Naga Siren	Core Safelane	7	8.14%	64.02	48.68	4	75.00%	0.8	3	0.00%	0.4
Dragon Knight	Core Offlane	5	5.81%	63.49	24.87	3	66.67%	0.6	2	50.00%	0.3
Magnus	Core Offlane	2	2.33%	62.96	8.47	1	100.00%	0.2	1	100.00%	0.1
Centaur Warrunner	Core Offlane	7	8.14%	62.43	58.73	5	40.00%	1.0	2	100.00%	0.3
Shadow Fiend	Core Safelane	8	9.30%	61.90	65.61	6	50.00%	1.2	2	25.00%	0.3
Shadow Demon	Support Offlane	10	11.63%	61.38	70.90	5	40.00%	1.0	5	50.00%	0.6
Shadow Demon	Support Safelane	10	11.63%	60.85	71.43	5	40.00%	1.0	5	50.00%	0.6
Nature's Prophet	Core Offlane	4	4.65%	60.32	19.58	2	50.00%	0.4	2	100.00%	0.3
Medusa	Core Midlane	6	6.98%	59.79	30.69	2	50.00%	0.4	4	63.64%	0.5
Night Stalker	Core Midlane	4	4.65%	59.26	16.93	1	100.00%	0.2	3	51.85%	0.4
Enigma	Core Offlane	4	4.65%	58.73	20.11	2	100.00%	0.4	2	0.00%	0.3
Dark Willow	Support Offlane	6	6.98%	58.20	57.67	6	50.00%	1.2	0	0.00%	0.0
Tusk	Support Offlane	3	3.49%	57.67	18.52	3	66.67%	0.6	0	0.00%	0.0
Bloodseeker	Core Safelane	13	15.12%	57.14	84.13	4	50.00%	0.8	9	27.27%	1.1
Void Spirit	Core Offlane	2	2.33%	56.61	8.99	1	100.00%	0.2	1	71.43%	0.1
Weaver	Support Safelane	24	27.91%	56.08	99.47	11	9.09%	2.2	13	58.97%	1.6
Undying	Support Safelane	4	4.65%	55.56	29.63	3	66.67%	0.6	1	0.00%	0.1
Juggernaut	Core Safelane	4	4.65%	55.03	29.10	3	66.67%	0.6	1	0.00%	0.1
Snapfire	Support Safelane	6	6.98%	54.50	57.14	4	50.00%	0.8	2	36.36%	0.3
Weaver	Core Safelane	2	2.33%	53.97	10.05	1	100.00%	0.2	1	58.97%	0.1
Templar Assassin	Core Offlane	3	3.49%	53.44	14.29	1	100.00%	0.2	2	45.16%	0.3
Templar Assassin	Support Offlane	3	3.49%	52.91	14.81	1	100.00%	0.2	2	45.16%	0.3
Kunkka	Core Offlane	2	2.33%	52.38	10.58	1	100.00%	0.2	1	58.06%	0.1
Doom	Core Midlane	8	9.30%	51.85	65.08	3	33.33%	0.6	5	55.00%	0.6
Slardar	Core Offlane	13	15.12%	51.32	86.24	3	33.33%	0.6	10	35.29%	1.3
Rubick	Support Safelane	2	2.33%	50.79	11.11	1	100.00%	0.2	1	50.00%	0.1
Slardar	Core Safelane	9	10.47%	50.26	68.25	2	50.00%	0.4	7	35.29%	0.9
Monkey King	Core Safelane	6	6.98%	49.74	49.21	2	50.00%	0.4	4	45.45%	0.5
Shadow Fiend	Core Midlane	5	5.81%	49.21	51.32	4	50.00%	0.8	1	25.00%	0.1
Queen of Pain	Core Offlane	4	4.65%	48.68	25.40	2	50.00%	0.4	2	67.57%	0.3
Spirit Breaker	Core Midlane	7	8.14%	48.15	62.96	3	33.33%	0.6	4	55.88%	0.5
Razor	Support Offlane	2	2.33%	47.62	12.17	1	100.00%	0.2	1	40.54%	0.1
Lion	Support Offlane	7	8.14%	47.09	69.84	6	33.33%	1.2	1	100.00%	0.1
Death Prophet	Support Safelane	3	3.49%	46.56	16.40	1	100.00%	0.2	2	33.33%	0.3
Phantom Assassin	Core Offlane	6	6.98%	46.03	54.50	2	50.00%	0.4	4	40.63%	0.5
Skywrath Mage	Support Offlane	3	3.49%	45.50	21.16	2	50.00%	0.4	1	100.00%	0.1
Dazzle	Support Offlane	2	2.33%	44.97	12.70	1	100.00%	0.2	1	33.33%	0.1
Earth Spirit	Support Offlane	1	1.16%	44.44	5.29	1	100.00%	0.2	0	0.00%	0.0
Shadow Shaman	Support Safelane	1	1.16%	43.92	4.23	1	100.00%	0.2	0	0.00%	0.0
Winter Wyvern	Support Offlane	1	1.16%	43.39	3.70	1	100.00%	0.2	0	100.00%	0.0
Ogre Magi	Support Safelane	1	1.16%	42.86	3.17	1	100.00%	0.2	0	0.00%	0.0
Pudge	Core Offlane	1	1.16%	42.33	2.65	1	100.00%	0.2	0	0.00%	0.0
Shadow Fiend	Core Offlane	1	1.16%	41.80	1.59	1	100.00%	0.2	0	25.00%	0.0
Brewmaster	Core Offlane	1	1.16%	41.27	1.06	1	100.00%	0.2	0	0.00%	0.0
Witch Doctor	Support Safelane	1	1.16%	40.74	7.94	1	100.00%	0.2	0	0.00%	0.0
Hoodwink	Core Offlane	1	1.16%	40.21	0.53	1	100.00%	0.2	0	33.33%	0.0
Gyrocopter	Core Offlane	1	1.16%	40.21	5.82	1	100.00%	0.2	0	33.33%	0.0
Earthshaker	Support Offlane	1	1.16%	39.15	6.35	1	100.00%	0.2	0	0.00%	0.0
Snapfire	Core Offlane	1	1.16%	38.62	6.88	1	100.00%	0.2	0	36.36%	0.0
Clockwerk	Core Offlane	1	1.16%	38.10	7.41	1	100.00%	0.2	0	0.00%	0.0
Bloodseeker	Core Offlane	3	3.49%	37.57	17.99	1	100.00%	0.2	2	27.27%	0.3
Anti-Mage	Core Safelane	6	6.98%	37.04	64.02	4	50.00%	0.8	2	0.00%	0.3
Legion Commander	Support Offlane	7	8.14%	36.51	60.32	1	0.00%	0.2	6	55.56%	0.8
Enchantress	Support Safelane	11	12.79%	35.98	84.66	2	50.00%	0.4	9	23.08%	1.1
Medusa	Core Safelane	11	12.79%	35.45	87.83	4	0.00%	0.8	7	63.64%	0.9
Razor	Core Midlane	7	8.14%	34.92	68.78	3	33.33%	0.6	4	40.54%	0.5
Death Prophet	Core Offlane	5	5.81%	34.39	50.79	2	50.00%	0.4	3	33.33%	0.4
Oracle	Support Safelane	2	2.33%	33.86	13.76	1	100.00%	0.2	1	0.00%	0.1
Abaddon	Support Safelane	8	9.30%	33.33	81.48	4	25.00%	0.8	4	40.00%	0.5
Drow Ranger	Core Safelane	9	10.47%	32.80	79.37	1	100.00%	0.2	8	12.50%	1.0
Sniper	Core Safelane	3	3.49%	32.28	24.34	1	0.00%	0.2	2	100.00%	0.3
Visage	Core Offlane	7	8.14%	31.75	76.72	3	33.33%	0.6	4	25.00%	0.5
Timbersaw	Core Safelane	7	8.14%	31.22	73.02	2	0.00%	0.4	5	55.88%	0.6
Shadow Shaman	Support Offlane	2	2.33%	30.69	23.28	2	50.00%	0.4	0	0.00%	0.0
Jakiro	Core Offlane	2	2.33%	30.16	23.81	2	50.00%	0.4	0	0.00%	0.0
Clinkz	Core Safelane	2	2.33%	29.63	22.75	2	50.00%	0.4	0	0.00%	0.0
Bristleback	Core Safelane	2	2.33%	29.63	22.75	2	50.00%	0.4	0	0.00%	0.0
Sven	Core Safelane	4	4.65%	28.57	40.21	1	0.00%	0.2	3	66.67%	0.4
Beastmaster	Support Offlane	4	4.65%	28.04	49.74	1	0.00%	0.2	3	56.60%	0.4
Ogre Magi	Support Offlane	4	4.65%	27.51	64.55	3	33.33%	0.6	1	0.00%	0.1
Pangolier	Core Offlane	5	5.81%	26.98	73.54	3	0.00%	0.6	2	100.00%	0.3
Night Stalker	Core Safelane	4	4.65%	26.46	55.03	1	0.00%	0.2	3	51.85%	0.4
Terrorblade	Core Offlane	4	4.65%	25.93	58.20	1	0.00%	0.2	3	47.06%	0.4
Faceless Void	Core Offlane	5	5.81%	25.40	66.67	1	0.00%	0.2	4	36.36%	0.5
Luna	Core Offlane	3	3.49%	24.87	41.27	1	0.00%	0.2	2	62.96%	0.3
Venomancer	Core Offlane	2	2.33%	24.34	27.51	1	0.00%	0.2	1	100.00%	0.1
Pangolier	Core Midlane	2	2.33%	23.81	26.98	1	0.00%	0.2	1	100.00%	0.1
Huskar	Core Offlane	2	2.33%	23.28	28.57	1	0.00%	0.2	1	100.00%	0.1
Huskar	Core Safelane	2	2.33%	22.75	28.04	1	0.00%	0.2	1	100.00%	0.1
Monkey King	Core Offlane	3	3.49%	22.22	52.38	1	0.00%	0.2	2	45.45%	0.3
Mars	Support Safelane	3	3.49%	21.69	53.44	1	0.00%	0.2	2	44.74%	0.3
Mars	Support Offlane	3	3.49%	21.16	53.97	1	0.00%	0.2	2	44.74%	0.3
Winter Wyvern	Support Safelane	3	3.49%	20.63	61.38	2	0.00%	0.4	1	100.00%	0.1
Tidehunter	Support Safelane	3	3.49%	20.11	56.08	1	0.00%	0.2	2	42.31%	0.3
Tidehunter	Core Midlane	3	3.49%	19.58	56.61	1	0.00%	0.2	2	42.31%	0.3
Wraith King	Core Offlane	4	4.65%	19.05	70.37	2	0.00%	0.4	2	50.00%	0.3
Enchantress	Support Offlane	5	5.81%	18.52	75.66	1	0.00%	0.2	4	23.08%	0.5
Death Prophet	Core Midlane	5	5.81%	17.99	80.95	2	0.00%	0.4	3	33.33%	0.4
Death Prophet	Support Offlane	3	3.49%	17.46	59.79	1	0.00%	0.2	2	33.33%	0.3
Weaver	Core Offlane	2	2.33%	16.93	38.62	1	0.00%	0.2	1	58.97%	0.1
Spirit Breaker	Support Safelane	2	2.33%	16.40	40.74	1	0.00%	0.2	1	55.88%	0.1
Silencer	Support Safelane	2	2.33%	15.87	42.33	1	0.00%	0.2	1	50.00%	0.1
Dragon Knight	Core Midlane	2	2.33%	15.34	43.39	1	0.00%	0.2	1	50.00%	0.1
Silencer	Support Offlane	2	2.33%	14.81	43.92	1	0.00%	0.2	1	50.00%	0.1
Rubick	Core Midlane	2	2.33%	14.29	43.39	1	0.00%	0.2	1	50.00%	0.1
Razor	Support Safelane	2	2.33%	13.76	46.03	1	0.00%	0.2	1	40.54%	0.1
Nyx Assassin	Core Offlane	2	2.33%	13.23	47.62	1	0.00%	0.2	1	40.00%	0.1
Nyx Assassin	Support Safelane	2	2.33%	12.70	46.56	1	0.00%	0.2	1	40.00%	0.1
Abaddon	Support Offlane	2	2.33%	12.17	47.09	1	0.00%	0.2	1	40.00%	0.1
Dazzle	Core Midlane	2	2.33%	11.64	50.26	1	0.00%	0.2	1	33.33%	0.1
Hoodwink	Core Midlane	3	3.49%	11.11	74.60	2	0.00%	0.4	1	33.33%	0.1
Gyrocopter	Core Safelane	4	4.65%	10.58	87.30	3	0.00%	0.6	1	33.33%	0.1
Hoodwink	Support Safelane	4	4.65%	10.05	86.77	3	0.00%	0.6	1	33.33%	0.1
Warlock	Support Offlane	1	1.16%	9.52	32.28	1	0.00%	0.2	0	0.00%	0.0
Tusk	Support Safelane	1	1.16%	8.99	33.86	1	0.00%	0.2	0	0.00%	0.0
Clockwerk	Support Safelane	5	5.81%	8.47	98.41	4	0.00%	0.8	1	0.00%	0.1
Ancient Apparition	Support Safelane	3	3.49%	7.94	72.49	1	0.00%	0.2	2	0.00%	0.3
Jakiro	Support Offlane	2	2.33%	7.41	67.72	2	0.00%	0.4	0	0.00%	0.0
Underlord	Core Offlane	9	10.47%	6.88	100.00	4	0.00%	0.8	5	0.00%	0.6
Keeper of the Light	Support Safelane	1	1.16%	6.35	33.86	1	0.00%	0.2	0	0.00%	0.0
Crystal Maiden	Support Safelane	1	1.16%	6.35	33.86	1	0.00%	0.2	0	0.00%	0.0
Slark	Core Safelane	1	1.16%	5.29	31.75	1	0.00%	0.2	0	0.00%	0.0
Hoodwink	Support Offlane	1	1.16%	4.76	34.92	1	0.00%	0.2	0	33.33%	0.0
Brewmaster	Core Safelane	1	1.16%	4.23	35.45	1	0.00%	0.2	0	0.00%	0.0
Necrophos	Core Safelane	1	1.16%	4.23	37.04	1	0.00%	0.2	0	0.00%	0.0
Chaos Knight	Core Safelane	1	1.16%	4.23	34.39	1	0.00%	0.2	0	0.00%	0.0
Lion	Support Safelane	2	2.33%	2.65	67.20	2	0.00%	0.4	0	100.00%	0.0
Ogre Magi	Core Offlane	1	1.16%	2.12	35.98	1	0.00%	0.2	0	0.00%	0.0
Undying	Support Offlane	1	1.16%	1.59	36.51	1	0.00%	0.2	0	0.00%	0.0
Keeper of the Light	Support Offlane	1	1.16%	1.59	37.57	1	0.00%	0.2	0	0.00%	0.0
Chen	Support Safelane	1	1.16%	0.53	31.75	1	0.00%	0.2	0	0.00%	0.0