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Subject: Re: Nunn set ECOs Re: Nunn2 set - All *25* positions

Author: David Dahlem

Date: 11:49:26 08/08/04

Go up one level in this thread

On August 08, 2004 at 14:32:11, David Dahlem wrote:

>On August 08, 2004 at 14:21:55, Ernest Bonnem wrote:
>
>>Funny !!! So there are two Nunn2 sets...
>>
>>I have compared the ECOs. They are quite different...
>>
>>My Nunn2(20),
>>see for instance : http://www.computerschach.de/test/index.htm and the German
>>magazine CSS :
>>A 07 29 48 87
>>B 08 19 22 33 66
>>C 06 42 67 95
>>D 19 27 37 97
>>E 11 32 92
>>
>>Your Nunn2(25) :
>>A 30 77 90
>>B 08 19 25 66 78 80 85
>>C 06 99
>>D 29 34 37 46 58 85 97
>>E 12 15 48 59 88 99
>>
>>and Nunn1(10) :
>>A 25
>>B 33 89 97
>>C 19 99
>>D 36 85
>>E 15 98
>
>Perhaps we could combine both Nunn2 sets, remove any duplicates, then we would
>have a third Nunn2 set. :-)
>
>Regards
>Dave

In fact, i did combine both Nunn2 sets and there were only 3 duplicate lines,
for a total of 42 unique Nunn2 opening lines. Here they are. :-)

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "English Symmetrical"]
[Result "*"]
[ECO "A30"]
[PlyCount "21"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4
d6 9. Rd1 a6 10. b3 Nbd7 11. e4 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Benoni"]
[Result "*"]
[ECO "A77"]
[PlyCount "20"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2
O-O 9. O-O Re8 10. Nd2 Nbd7 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Dutch Classical"]
[Result "*"]
[ECO "A90"]
[PlyCount "16"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 c6 5. Nf3 d5 6. O-O Bd6 7. b3 Qe7 8. Bb2 O-O
*

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Pirc"]
[Result "*"]
[ECO "B08"]
[PlyCount "16"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O c6 7. a4 a5 8. h3 Na6
*

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Caro Kann"]
[Result "*"]
[ECO "B19"]
[PlyCount "26"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5
Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Qa5+ 12. Bd2 Qc7 13. O-O-O Ngf6 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Sicilian Closed"]
[Result "*"]
[ECO "B25"]
[PlyCount "18"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O
O-O 9. Be3 Nd4 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Sicilian Rauser"]
[Result "*"]
[ECO "B66"]
[PlyCount "19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O h6 9. Be3 Be7 10. f4 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Sicilian Dragon"]
[Result "*"]
[ECO "B78"]
[PlyCount "19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. Bc4 Bd7 10. O-O-O *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Sicilian Schevenin"]
[Result "*"]
[ECO "B80"]
[PlyCount "18"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2
Nbd7 9. g4 h6 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Sicilian Schevenin"]
[Result "*"]
[ECO "B85"]
[PlyCount "20"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Be7 8. f4
O-O 9. Kh1 Qc7 10. a4 Nc6 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "French Tarrasch"]
[Result "*"]
[ECO "C06"]
[PlyCount "24"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4
f6 9. exf6 Nxf6 10. Nf3 Bd6 11. O-O Qc7 12. Bg5 O-O *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Ruy Lopez Chigorin"]
[Result "*"]
[ECO "C99"]
[PlyCount "31"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. Nb3 a5 15.
Be3 a4 16. Nbd2 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Queen's Gambit Accepted"]
[Result "*"]
[ECO "D29"]
[PlyCount "16"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3
Bb7 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Queen's Gambit Tarrasch"]
[Result "*"]
[ECO "D34"]
[PlyCount "22"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O
O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Re8 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Queen's Gambit"]
[Result "*"]
[ECO "D37"]
[PlyCount "20"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. a3
Nc6 9. Qc2 Qa5 10. O-O-O Be7 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Queen's Gambit Semi-Slav"]
[Result "*"]
[ECO "D46"]
[PlyCount "20"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O
dxc4 9. Bxc4 b5 10. Be2 Bb7 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Queen's Gambit Tartakover"]
[Result "*"]
[ECO "D58"]
[PlyCount "21"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 h6 6. Bh4 O-O 7. e3 b6 8. Be2
Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. b4 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Grunfeld Main"]
[Result "*"]
[ECO "D85"]
[PlyCount "27"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8.
Rb1 O-O 9. Be2 cxd4 10. cxd4 Qa5+ 11. Bd2 Qxa2 12. O-O Bg4 13. Bg5 h6 14. Be3 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Grunfeld Russian"]
[Result "*"]
[ECO "D97"]
[PlyCount "18"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 8. e5
b5 9. Qb3 Nfd7 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Queen's Indian Petrosian"]
[Result "*"]
[ECO "E12"]
[PlyCount "21"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8.
bxc3 Be7 9. e4 O-O 10. Bd3 c5 11. O-O *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Queen's Indian"]
[Result "*"]
[ECO "E15"]
[PlyCount "17"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. Bc3
d5 9. Ne5 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Nimzo Indian"]
[Result "*"]
[ECO "E48"]
[PlyCount "18"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nge2 d5 7. cxd5 cxd4 8.
exd4 Nxd5 9. O-O Nc6 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Nimzo Indian"]
[Result "*"]
[ECO "E59"]
[PlyCount "20"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3
Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Kings Indian Samisch"]
[Result "*"]
[ECO "E88"]
[PlyCount "22"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c6 8. Bd3 cxd5
9. cxd5 Nh5 10. Nge2 f5 11. exf5 gxf5 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "King's Indian Classical"]
[Result "*"]
[ECO "E99"]
[PlyCount "24"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5
Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nf6 12. f3 f4 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Reti Opening"]
[Result "*"]
[ECO "A07"]
[PlyCount "15"]
[EventDate "2000.01.??"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 c6 4. O-O Bg4 5. h3 Bh5 6. d3 Nbd7 7. Nbd2 e5 8. e4
*

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "English Opening"]
[Result "*"]
[ECO "A20"]
[PlyCount "19"]
[EventDate "2000.01.??"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. a3 Be6 8. d3
Be7 9. O-O O-O 10. b4 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "King's Indian"]
[Result "*"]
[ECO "A48"]
[PlyCount "14"]
[EventDate "2000.01.??"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 O-O 6. Be2 c5 7. c3 b6 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Dutch Defense"]
[Result "*"]
[ECO "A81"]
[PlyCount "17"]
[EventDate "2000.01.??"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 d6 5. Nc3 Bg7 6. Nf3 O-O 7. O-O Qe8 8. d5
Na6 9. Rb1 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Caro-Kann Classical"]
[Result "*"]
[ECO "B19"]
[PlyCount "30"]
[EventDate "2000.01.??"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5
Bh7 9. Bd3 Bxd3 10. Qxd3 Qc7 11. Bd2 Ngf6 12. O-O-O e6 13. Ne4 O-O-O 14. g3
Nxe4 15. Qxe4 Bd6 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Sicilian Alapin"]
[Result "*"]
[ECO "B22"]
[PlyCount "19"]
[EventDate "2000.01.??"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d5 8. exd6
Qxd6 9. O-O Be6 10. Na3 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Sicilian Sveshnikov"]
[Result "*"]
[ECO "B33"]
[PlyCount "29"]
[EventDate "2000.01.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bd3 Be6 12. Qh5 Bg7 13. O-O f4 14. c4 bxc4
15. Bxc4 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Sicilian Richter-Rauzer"]
[Result "*"]
[ECO "B66"]
[PlyCount "22"]
[EventDate "2000.01.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O h6 9. Be3 Be7 10. f4 Nxd4 11. Bxd4 b5 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "French Tarrasch"]
[Result "*"]
[ECO "C06"]
[PlyCount "24"]
[EventDate "2000.01.??"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4
f6 9. exf6 Nxf6 10. O-O Bd6 11. Nf3 Qc7 12. Nc3 a6 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Petrov Classical"]
[Result "*"]
[ECO "C42"]
[PlyCount "23"]
[EventDate "2000.01.??"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4
c6 9. cxd5 cxd5 10. Nc3 Nxc3 11. bxc3 Bg4 12. Rb1 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Ruy Lopez Berlin"]
[Result "*"]
[ECO "C67"]
[PlyCount "18"]
[EventDate "2000.01.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5
8. Qxd8+ Kxd8 9. Nc3 Ke8 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Ruy Lopez Closed"]
[Result "*"]
[ECO "C95"]
[PlyCount "32"]
[EventDate "2000.01.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15.
a4 c5 16. d5 c4 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "QGD Slav"]
[Result "*"]
[ECO "D18"]
[PlyCount "20"]
[EventDate "2000.01.??"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O
Nbd7 9. Qe2 O-O 10. e4 Bg6 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "QGA Classical"]
[Result "*"]
[ECO "D27"]
[PlyCount "21"]
[EventDate "2000.01.??"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a4 Nc6 8. Qe2
cxd4 9. Rd1 Be7 10. exd4 O-O 11. Nc3 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Bogo-Indian"]
[Result "*"]
[ECO "E11"]
[PlyCount "20"]
[EventDate "2000.01.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8.
O-O O-O 9. e4 e5 10. d5 Nb8 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "Nimzo-Indian"]
[Result "*"]
[ECO "E32"]
[PlyCount "20"]
[EventDate "2000.01.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Bb7 8.
f3 h6 9. Bh4 d5 10. e3 Nbd7 *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Nunn2"]
[Black "King's Indian"]
[Result "*"]
[ECO "E92"]
[PlyCount "24"]
[EventDate "2000.01.??"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. d5 a5 8. Bg5 h6
9. Bh4 Na6 10. Nd2 Qe8 11. O-O Nh7 12. a3 Bd7 *

Regards
Dave

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Last modified: Thu, 15 Apr 21 08:11:13 -0700

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