Sunday, September 14, 2014

Professor Houdini (Part 2)


Here we continue the lessons from my last Jerome Gambit, a 2 12 blitz game. Tacticians are encouraged to follow along and discover what I and my opponent missed, and what Houdini later pointed out.

perrypawnpusher - ficshicks

blitz 2 12, FICS, 2014

Here I had just played 13.Nc4+, but, instead, after 13.Qc3!, Houdini rates White over a Rook ahead! 





analysis diagram



White is threatening mate, starting with Qb3+. Black can cover the checkmate square at b5, create "luft" (for his King or Bishop), as well as attack White's center with 13...c6 - if he needs to return a piece, this would make ...Nxd5 more do-able, allowing the Bishop to retreat along the a3-f8 diagonal.

White can then press on with 14.Be3+ Ka6 (if 14...Kc7 then 15.Nb5+ Kb8 16.Nxd6 with a two pawn advantage and an overwhelming position for White) 15.Nc4 Nxd5 16.exd5 Bf8 17.0-0-0





analysis diagram




While on the board White has one more pawn, Houdini rates the first player to be about a Queen ahead. I can not figure all that out, but it has to be due to all those undeveloped Black pieces! Mate or the win of a major piece is not yet apparent, but White clearly is better...

13...Kb5


Because of White's inaccuracy on the previous move (12.Nc4+ instead of 12.Qc3!), Black has the option of 13...Ka6 when after 14.Nxd6 cxd6 15.Qxd6+ b6 White has to make use of his 3 extra pawns against Black's extra piece, a relatively more difficult assignment.


14.a4+


A fitting cheapo - that works.


14...Kxc4


Once again, a6 is the safer square for the Black King to retreat to, when c3 would be the right square for the White Queen. It is hard not to point out that after 14...Ka6 15.Qc3 b6 (best) White would have the hilarious 16.Na5!?, when Black would have to find 16...c6 just to stave off - temporarily - disaster.


15.Qc3 checkmate



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