Wednesday, January 14, 2009
Gioachino Greco - Game #12
Why is 11.Bxe4 bad and what is White's best move?
Thought process:
Checks - Mate Threats - Captures - Threats
The attack is simple. The defense requires more thought, but if you examine checks first, the solution pops right out at you.
11.Bxe4?? Bh4+ 12.Bf2 Qxf2#
11.Qh5+! g6 12.Bxe4 Qxh1+ (...Bh4+ loses) 13.Bxh1 gxh5.
Gioachino Greco - Game #11
Monday, January 12, 2009
Gioachino Greco - Game #10
White resigned due to ...Bxa4. What should've he played?
1.a3! and White doesn't lose a full piece. If 1...Bxa4? 2.axb4! wins and if 1...bxa3 2.Qc4! limits White's losses to a single pawn. Unfortunately this move is not a check, mate threat, capture, or obvious threat so it's not so easy to see. Rybka gets the credit for spotting it.
Gioachino Greco - Game #9
How should White finish this game?
A draw against Gioachino Greco would be a good result for Mr. NN.
12.Nd6+ Kd8 13.Nf7+ Ke8 (with an obvious draw) 14.Nd6+ Kd8 15.Nf7+ Ke8 16.Nd6+ Kd8 17.Nf7+ Ke8 18.Nd6+ Kd8 19.Nf7+ Ke8 20.Nd6+ Kd8 10.Nf7+ Ke8 11.Nd6+ (draw by sixfold repetition--the rules of chess were slightly different in those days).
Gioachino Greco - Game #8
Is 1.Nc3 a good idea to play for a win?
I discounted 1.Nc3 because 1...Bh6 puts White on the defensive, say, with 2.Nd2. But I forgot to check the most forcing moves...
Thought process:
Checks - Mate Threats - Captures - Threats
Checks: Re1+, Qe3+, Qe4+, Qe2+, Bf7+, Qh5+
2.Re1+! Kf8 3.Bxh6+ Nxh6+ 4.Qxf6+ Nf7 5.Qxf7#
(2...Kd8 3.Rxh6+ Nxh6 4.Bc7+ Kxc7 5.Qxf6 +-)
(2...Kd7 3.Qd3+ Kc8 4.Re8+ Qd8 5.Qxd8#)
Gioachino Greco - Game #7
Gioachino Greco - Game #6
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