CỜ VUA NHẬP MÔN - Trang 67

15.3 Một thế cờ lặp lại 3 lần

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8

0Z0Z0Z0Z

7

opZ0ZpZk

6

0ZpZ0Z0o

5

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4

0Z0Z0S0Z

3

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2

PZPZ0O0Z

1

Z0Z0Z0ZK

a

b

c

d

e

f

g

h

8

0Z0Z0Z0Z

7

opZ0ZpZk

6

0ZpZ0l0o

5

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4

0Z0Z0S0Z

3

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2

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1

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a

b

c

d

e

f

g

h

8

0Z0Z0Z0Z

7

opZ0ZpZk

6

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5

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4

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3

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2

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1

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a

b

c

d

e

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h

Hình cờ đầu tiên lặp lại 2 lần.

8

0Z0Z0Z0Z

7

opZ0ZpZk

6

0ZpZ0l0o

5

Z0Z0sPZ0

4

0Z0Z0S0Z

3

Z0Z0Z0ZP

2

PZPZQO0Z

1

Z0Z0Z0ZK

a

b

c

d

e

f

g

h

8

0Z0Z0Z0Z

7

opZ0ZpZk

6

0ZpZ0l0o

5

Z0Z0sPZ0

4

0Z0Z0S0Z

3

Z0ZQZ0ZP

2

PZPZ0O0Z

1

Z0Z0Z0ZK

a

b

c

d

e

f

g

h

8

0Z0Z0Z0Z

7

opZ0ZpZk

6

0ZpZ0l0o

5

Z0ZrZPZ0

4

0Z0Z0S0Z

3

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2

PZPZ0O0Z

1

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a

b

c

d

e

f

g

h

Nước cờ sai lầm của Petrosian.