1.
e4
g6
2.
d4
Bg7
3.
Nc3
d6
4.
Bg5
c6
5.
Qd2
b5
6.
f4
Nd7
7.
Nf3
b4
8.
Nd1
Qb6
9.
Ne3
Ngf6
10.
Bd3
d5
11.
e5
Ne4
12.
Bxe4
dxe4
13.
Ng1
Ba6
14.
O-O-O
Rd8
15.
Bh4
f6
16.
d5
O-O
17.
dxc6
Nxe5
18.
Nd5
Nd3+
19.
Qxd3
exd3
20.
Nxb6
axb6
21.
Nf3
Bh6
22.
cxd3
Bxd3
23.
g3
Be4
24.
Rhf1
Rxd1+
25.
Kxd1
Bxc6
0-1
Opening Explorer
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Site
London
Date
1973.12.14
Round
4
White
Grefe, John Alan
Black
Result
0-1
Score
[Event "London Guardian Royal Exchange Reserves"] [Site "London"] [Date "1973.12.14"] [Round "4"] [White "Grefe, John Alan"] [Black "Nunn, John DM"] [Result "0-1"] 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bg5 c6 5. Qd2 b5 6. f4 Nd7 7. Nf3 b4 8. Nd1 Qb6 9. Ne3 Ngf6 10. Bd3 d5 11. e5 Ne4 12. Bxe4 dxe4 13. Ng1 Ba6 14. O-O-O Rd8 15. Bh4 f6 16. d5 O-O 17. dxc6 Nxe5 18. Nd5 Nd3+ 19. Qxd3 exd3 20. Nxb6 axb6 21. Nf3 Bh6 22. cxd3 Bxd3 23. g3 Be4 24. Rhf1 Rxd1+ 25. Kxd1 Bxc6 0-1