Petrov's Defence, Marshall Trap
The Marshall Trap is a chess opening in Petrov's Defence named after Frank Marshall.
| a | b | c | d | e | f | g | h | ||
| 8 |              | 8 | |||||||
| 7 | 7 | ||||||||
| 6 | 6 | ||||||||
| 5 | 5 | ||||||||
| 4 | 4 | ||||||||
| 3 | 3 | ||||||||
| 2 | 2 | ||||||||
| 1 | 1 | ||||||||
| a | b | c | d | e | f | g | h | ||
Position after 10.Re1?; Black wins with 10...Bxh2+!
The trap
1. e4 e5 2. Nf3 Nf6
- The trap begins with Black playing Petrov's Defence.
3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. c4 Bg4 9. cxd5 f5 10. Re1? (see diagram)
- White should play 10.Nc3 instead.
10... Bxh2+!
- An unexpected blow.
11. Kxh2
- If 11.Nxh2, then 11...Bxd1.
11...Nxf2
12. Qe2 Nxd3 13. Qxd3 Bxf3 14. Qxf3 Qh4+
- Followed by 15...Qxe1 winning the e1-rook. Black has a winning material advantage.
References
- Hooper, David; Whyld, Kenneth (1996) [First pub. 1992]. "Marshall Trap". The Oxford Companion to Chess (2nd ed.). Oxford University Press. p. 249. ISBN 0-19-280049-3.
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