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Error in Chess Mentor lesson

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Avatar of TomBird
TomBird
Feb 13, 2011
0
#1

 

Lasker-Marshall, Philadelphia 1907

World Champions (2): The Lasker Years

Have I missed something? It looks like Rb6 forces mate.

Avatar of dave_9990
dave_9990
Feb 13, 2011
0
#2

what about Rb6 followed by Rd2?

Avatar of Mehdipiero
Mehdipiero
Feb 13, 2011
0
#3

maybe because of 2.Rd2?

your suggestion, 1...Rb6, is strong but not as forcing as 1...Qxc3+

Avatar of dave_9990
dave_9990
Feb 13, 2011
0
#4

Then 3...,Qxc3+ 4. Ka2, Bxc4+ 5. Qxc4, Qxc4+ 6. ??

wins the queen.

Avatar of TomBird
TomBird
Feb 13, 2011
0
#5

2.Rd2 Qxc3+ 3.Ka2 Bxc4+ 4.Qxc4 Qxc4+ 5.Ka1 Qb3 6.Rhd1 Qxa3+ 7.Ra2 Qc3+ 8.Rb2 Qxb2#

Avatar of TomBird
TomBird
Feb 13, 2011
0
#6

Qxc3 wins as well, but Rb6 is faster. Checkmate in 9 moves at most.

Avatar of Mehdipiero
Mehdipiero
Feb 13, 2011
0
#7

or 2.Qb4?

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TomBird
Feb 13, 2011
0
#8

2.Qb4 Rxb4 3.cxb4 Qxa3+ 4.Kb1 Be4+ 5.Rd3 Bxd3# :)

Avatar of Patzer24
Patzer24
Feb 13, 2011
0
#9

Yes, the Rb6 move also forces a quick checkmate and therefore I have added this move as an alternate correct move.

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Mehdipiero
Feb 14, 2011
0
#10

Admirable persistence, Tom. Congrats, you won! Wink