Cambridge Springs variant
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a | b | c | d | e | f | G | H |
The Cambridge Springs variant is an opening variant of the rejected Queen's Gambit in chess . In the ECO codes it is classified under the key D52.
It arises according to the sequence of moves
1. d2 – d4 d7 – d5
2. c2 – c4 e7 – e6
3. Nb1 – c3 Ng8 – f6
4. Lc1 – g5 Nb8 – d7
5. e2 – e3 c7 – c6
6. Ng1 – f3 Qd8 – a5
The opening was played several times in 1904 at an international chess tournament in the North American city of Cambridge Springs , Pennsylvania , and was therefore known. However, Emanuel Lasker had already tried this opening in 1892. Later this variant z. B. Efim Bogoljubow and Alexander Alekhine , especially in his competition for the 1927 World Chess Championship against José Raúl Capablanca .
The fact that black has less space in the Orthodox defense , e.g. B. for his lady, he actively counteracts this.
With 6. c4xd5 or 5. c4xd5 White succeeds in making the transition to the exchange variant .
After 5. c4xd5 e6xd5 White got through 6.Nc3xd5? into an opening trap . After 6.… Nf6xd5 7. Bg5xd8 Black retains a slight piece against a pawn through the intermediate check 7.… Bf8 – b4 + at the end of the forced 8. Qd1 – d2 Bb4xd2 + 9. Ke1xd2 Ke8xd8.
The main line is 7. Nf3 – d2 Bf8 – b4 8. Qd1 – c2 0–0 9. Bf1 – e2.
At first glance, the obvious move 7. Bf1 – d3 harbors an often overlooked trap for White. If after 7.… Nf6 – e4! Cover moves like 8. Qd1 – c2 ?, 8. Qd1 – b3? or 8. Ta1 – c1? follow, White loses a minor piece by 8.… Ne4xg5, since taking back 9. Nf3xg5 fails because of 9.… d5xc4 ( double attack on Bd3 and Ng5).
literature
- Mark Taimanow : Queen's Gambit to Dutch . Sportverlag, 5th edition Berlin 1980.
- Jerzy Konikowski : Modern Queen's Gambit ... played correctly , Beyer-Verlag 2004.
Individual evidence
- ^ Albert Hodges - Emanuel Lasker, New York 1892 . Game to replay on chessgames.com.