- Marshall Trap
Chess diagram|=
tright|
=
rd|nd| |qd| |rd|kd| |=
pd|pd|pd| | | |pd|pd|=
| | |bd| | | | |=
| | |pl| |pd| | |=
| | |pl|nd| |bd| |=
| | |bl| |nl| | |=
pl|pl| | | |pl|pl|pl|=
rl|nl|bl|ql|rl| |kl| |=
Position after 10.Re1? Black wins with 10...Bxh2+!The Marshall Trap is achess opening inPetrov's Defence named afterFrank Marshall .The trap begins with the moves:1. e4 e5:2. Nf3 Nf6Black plays 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 Nxf2Black forks the white queen and bishop, forcing the queen to move.:12. Qe2 Nxd3:13. Qxd3 Bxf3Black threatens ...Qh4+ forking the white king and rook, winning material.
References
*cite book | author=Hooper, David and
Kenneth Whyld | title=The Oxford Companion to Chess | publisher=Oxford University| year=1996 | id=ISBN 0-19-280049-3
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