What is a Markov chain?

A Markov chain is a mathematical model where the probability of a future state depends only on the current one. For lotteries, this means: the probability of number Y appearing in the next draw depends on which numbers appeared in the current draw.

How is the transition matrix built?

For each pair of consecutive draws, it counts which numbers from draw N+1 appeared after each number from draw N. These counts are normalized into probabilities (percentages).

Are transition probabilities accurate?

Probabilities are calculated based on historical data. The more draws in the archive, the more stable the estimates. For lotteries with short archives, probabilities may fluctuate significantly.

Can the next draw be predicted?

No, Markov chains show historical transition statistics but do not predict the future. Each lottery draw is an independent random event, and past results do not determine future ones.

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China: 黑龙江36选7

黑龙江36选7 Markov Chains — Transition Probabilities

黑龙江36选7: which numbers most often follow certain ones? The transition matrix will show

Markov chains analyze which "黑龙江36选7" lottery numbers most often follow others. For each number, a transition probability vector is built: "if number X was drawn in draw N, what is the probability that number Y will be drawn in draw N+1?"

Analysis based on 20 draws from 04/10/2026, 04:00 PM to 05/24/2026, 04:00 PM

Select a Number for Analysis

Click a number to see its "favorites" — numbers that most often appear in the next draw

Select a number above

Click a number to see its favorites

Transition Probability Heatmap

NxN matrix: rows — current numbers, columns — next numbers

Hide values below: 0%

→	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	33	34	35	36
1	7	5	0	5	2	2	4	2	5	0	0	4	0	4	2	9	2	4	5	5	2	2	0	7	2	0	4	0	4	4	2	5	0	4	0
2	8	2	4	6	4	4	2	2	2	4	4	4	2	4	0	6	0	4	4	0	0	0	4	2	2	4	0	2	2	4	4	0	2	6	0
3	5	5	5	0	0	5	0	5	5	5	0	0	0	10	0	0	10	5	0	5	5	0	0	0	5	0	5	0	10	0	0	0	5	5	5
4	6	6	0	3	0	3	3	0	9	0	0	0	0	3	3	9	3	0	3	6	6	0	0	6	0	0	3	3	6	0	3	9	0	11	0
5	5	14	0	0	5	5	0	5	0	5	5	5	5	0	0	5	5	10	10	0	0	0	0	5	0	0	5	0	0	10	0	0	0	0	0
6	7	0	0	7	0	0	7	4	11	0	0	0	0	0	4	11	0	4	0	7	0	0	0	7	4	0	4	0	4	4	4	7	0	7	0
7	0	14	0	0	0	0	0	0	7	0	0	0	0	7	0	7	0	0	7	14	7	7	0	0	0	0	7	0	7	7	0	0	0	7	0
8	5	5	5	5	0	0	0	0	10	0	5	0	5	10	0	14	0	0	0	5	5	0	5	10	5	0	0	0	0	5	0	5	0	0	0
9	3	3	3	3	3	3	0	0	3	3	0	3	0	9	0	6	6	0	6	6	0	3	3	3	3	3	0	3	3	6	3	3	6	6	0
10	7	4	4	7	4	4	4	7	0	0	0	4	0	4	0	4	7	11	4	0	0	0	0	0	0	4	4	4	0	0	7	0	0	7	4
11	0	4	11	4	4	0	4	0	4	4	4	4	4	7	0	4	7	4	4	0	0	0	4	0	4	4	4	4	4	0	4	0	4	4	0
12	5	10	0	0	0	5	5	5	5	5	5	0	5	0	5	10	0	5	5	0	0	0	0	5	0	0	0	0	5	10	0	5	0	5	0
13	0	0	14	0	0	0	0	0	7	7	7	0	7	14	0	7	7	0	0	0	0	0	7	0	7	0	0	0	7	0	0	0	7	0	0
14	7	2	2	5	2	5	0	5	2	5	5	2	2	5	0	7	5	2	2	2	0	0	0	7	7	0	0	0	5	5	0	0	2	2	2
15	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
16	7	4	4	4	4	4	0	0	4	4	4	4	2	5	0	7	5	2	5	2	2	0	2	5	4	0	2	2	4	0	2	4	2	5	0
17	11	4	0	4	0	11	0	4	4	4	0	0	0	4	0	4	4	7	7	4	0	0	0	7	4	0	0	4	0	7	0	4	0	4	4
18	9	6	3	9	0	3	3	3	3	3	0	0	0	3	0	9	0	6	3	3	3	0	0	6	3	3	0	3	0	6	6	3	0	6	0
19	11	3	0	3	3	3	6	3	6	6	3	0	0	0	3	9	0	6	3	3	0	0	0	3	3	0	3	0	3	3	3	6	0	9	0
20	6	3	0	3	6	3	0	0	3	3	3	3	0	6	0	9	3	0	6	6	0	3	3	3	3	3	0	3	0	6	3	3	3	9	0
21	7	0	0	7	7	7	0	0	0	0	0	14	0	7	0	0	0	0	7	0	0	0	7	7	0	7	0	0	7	7	0	0	7	0	0
22	14	0	0	0	14	0	0	0	0	14	14	0	0	0	0	14	0	0	0	0	0	0	0	0	14	0	0	0	0	0	0	0	0	14	0
23	0	7	7	0	0	0	0	7	0	7	7	0	7	7	0	7	7	0	0	0	0	0	0	7	7	0	0	0	7	7	0	0	7	0	0
24	5	2	2	5	0	2	5	0	10	0	2	2	2	5	2	10	2	0	5	7	0	2	2	5	0	0	2	0	5	2	2	5	0	5	0
25	4	4	4	7	4	4	4	4	4	0	0	4	0	4	0	4	11	7	4	4	0	0	0	0	0	4	4	4	0	0	7	0	0	7	4
26	0	14	0	0	0	0	0	7	7	0	7	0	7	0	0	7	0	0	0	7	7	0	0	7	0	0	7	0	7	7	0	0	0	7	0
27	5	10	0	0	5	5	0	0	0	5	0	5	0	10	0	5	0	5	10	5	0	5	5	0	0	5	0	0	0	14	0	0	5	0	0
28	7	7	0	0	0	0	7	0	14	0	0	0	0	0	0	0	0	0	0	14	7	0	0	7	0	0	14	0	7	0	0	7	0	7	0
29	5	0	0	0	5	5	5	5	5	0	0	5	0	10	5	5	5	5	0	0	0	0	5	0	0	5	0	0	5	5	0	5	5	5	5
30	6	3	3	6	3	0	0	6	6	3	9	0	6	3	0	14	3	3	0	3	0	0	3	3	3	0	0	0	0	3	6	0	0	9	0
31	10	10	0	0	0	5	0	0	5	0	0	0	0	5	0	5	0	0	5	5	10	0	0	10	0	0	5	5	5	0	0	10	0	10	0
32	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
33	10	5	0	5	0	5	5	0	5	0	0	5	0	5	0	5	0	0	10	10	0	5	0	10	0	0	5	0	5	5	0	5	0	0	0
34	5	5	5	5	0	5	5	10	0	0	5	0	5	5	0	5	5	5	0	0	0	0	0	5	0	5	0	5	0	5	5	0	0	5	5
35	7	7	0	0	5	2	2	0	5	0	0	5	0	5	0	2	2	2	5	5	5	0	2	7	0	2	7	2	2	2	0	7	2	5	0
36	0	0	7	14	0	0	7	0	7	0	0	0	0	0	0	7	0	0	0	7	0	0	0	7	7	7	0	7	0	7	7	0	0	7	0

Summary Table

For each number — its top favorite and probability

Added to generator 0 / 36

Selected 0

Ball added	Top favorite	Probability, %
Add	2	14.29
Add	2	14.29
Add	16	14.29
Add	3	14.29
Add	12	14.29
Add	1	14.29
Add	2	14.29
Add	30	14.29
Add	9	14.29
Add	16	14.29
Add	4	14.29
Add	35	11.43
Add	1	11.43
Add	9	10.71
Add	18	10.71
Add	3	10.71
Add	1	10.71
Add	17	10.71
Add	14	9.52
Add	2	9.52
Add	9	9.52
Add	14	9.52
Add	1	9.52
Add	1	9.52
Add	8	9.52
Add	16	8.93
Add	14	8.57
Add	1	8.57
Add	16	8.57
Add	1	8.16
Add	1	7.14
Add	1	7.14
Add	2	7.14
Add	1	7.14
Add	0	0
Add	0	0

Generator by Markov Chains

Mark favorite numbers for combination generation

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How to Use Markov Chains for 黑龙江36选7

Step-by-step guide to analyzing transition probabilities for 黑龙江36选7 lottery

Select a number for analysis

Click a number in the ball grid. For multi-drum lotteries, first select the desired field.

Study the favorites

You'll see the top numbers that most frequently appear after the selected one. The percentage shows the historical transition probability.

Analyze the heatmap

If the drum is small (up to 20 numbers), a heatmap is available — the full transition probability matrix. Bright cells indicate strong connections.

Use the summary table and generator

The table shows the top favorite for each number. Mark interesting numbers and generate combinations through the generator.

About Markov Chains

Mathematical foundations

A Markov chain is a stochastic model where the probability of transitioning to the next state depends only on the current state, not on previous ones. In the lottery context: if number X was drawn, what is the probability that number Y will be drawn next?

Transition Matrix

P[i,j] — the probability that number j follows number i. Built from all pairs of consecutive draws in the archive. Each row of the matrix sums to 100%.

Usage Tips

Recommendations for effective application of Markov chains

Use the latest draw results as input: select each drawn number and note its favorites.

The larger the draw archive, the more accurate the transition probabilities. For small samples, results may be unstable.

Markov chains work well in combination with frequency analysis — check favorites against overall draw frequency.

The heatmap is only available for drums with up to 20 numbers — for larger ranges, use the table.

Frequently Asked Questions about 黑龙江36选7

Answers to common questions about Markov chains in lotteries for 黑龙江36选7