Solutions for GC Problems (# 03)

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After so many inquiries, I decided to give (at least) the base game score ... for those of you who could not find the games.

Chess Puzzle # 55

L. McShane (2615) - L. Aronian (2744); [C88] / Bundesliga 2006-7
/ Porz, GER; (R8) / 03,02,2007.

1.e4 e5; 2.Nf3 Nc6; 3.Bb5 a6; 4.Ba4 Nf6; 5.0-0 Be7; 6.Re1 b5; 7.Bb3 0-0; 8.h3 Bb7;
9.d3 d6; 10.a3 Na5; 11.Ba2 c5; 12.Nbd2 Nc6; 13.Nf1 Bc8; 14.Bg5 Be6; 15.Bxe6 fxe6;
16.c3 Nd7; 17.Bd2 Qe8; 18.a4 b4; 19.a5 Qg6; 20.Ng3 Rab8; 21.Qa4 Rfc8; 22.cxb4 cxb4;
23.Be3 Rb5; 24.Rec1 Qe8; 25.Qb3 Bf8; 26.Rc2 Nc5; 27.Bxc5 dxc5; 28.Rcc1 Rd8;
29.Nf1 Qd7; 30.Rd1 Bd6; 31.Ne3 Rf8; 32.Nd2 Nd4; 33.Qc4 Ne2+; 34.Kf1 Qf7; 35.f3 Nf4;
36.h4 Qg6; 37.Kf2 Nh5; 38.Rh1 Kh8; 39.Ndf1 Be7; 40.b3 Rd8; 41.g3 Rd4; 42.Qc2 Rb8;
43.Nc4 Rf8; 44.Re1 Qf6; 45.Qe2 Bd8; 46.Rh3 Bc7; 47.Rd1 Qd8; 48.Nfe3 Bxa5;
49.Nc2 Rd7; 50.Nxe5 Rb7; 51.f4 Nf6; 52.Ne3 Bc7; 53.Nf3 a5; 54.Ra1 Ra7; 55.Qc2 Bb8;
56.Rhh1 h6; 57.Nc4 Ng4+; 58.Ke2 Nf6; 59.Rhg1 Nd7; 60.Ne3 Bd6; 61.Ra2 Qe8;
62.Raa1 Nb6; 63.Nc4 Nxc4; 64.Qxc4 Qg6; 65.Ra4 Qg4; 66.Qc1 e5!; 67.f5 c4!!;
68.bxc4 Bc5!; 69.Rg2 Rxf5!!; 70.exf5 e4!;   0 - 1

Chess Puzzle # 59

Srdjan Marangunic - Ljubomir Ljubojevic; [A21] / ICT, Porec, Croatia; 1970

1.g3 e5; 2.Bg2 Nc6; 3.c4 d6; 4.Nc3 Be6; 5.d3 Qd7; 6.b4 g6; 7.b5 Nd8; 8.a4 Bg7;
9.e4 Ne7; 10.Nd5 0-0; 11.Nf3 c6; 12.Nxe7+ Qxe7; 13.0-0 f5; 14.exf5 gxf5; 15.Rb1 f4;
16.Nd2 Qd7; 17.Ba3 Nf7; 18.Ne4 Bh3; 19.bxc6 bxc6; 20.a5 Rab8!!; 21.Rxb8!? Rxb8;
22.Bxh3!? ('?!') 22...Qxh3; 23.Bxd6?! Nxd6!; 24.Nxd6? Rb1!!; "-/+" 0 - 1   [replay here]

Chess Puzzle # 60

GM A. Onischuk (2641) - GM G. Vescovi (2611)
[E54]
ICT, 3rd Karpov (Round # 05) / Poikovsky, RUS; / 16,04,2002.

1.d4 Nf6; 2.c4 e6; 3.Nc3 Bb4; 4.e3 0-0; 5.Bd3 d5; 6.Nf3 c5; 7.0-0 cxd4; 8.exd4 dxc4;
9.Bxc4 b6; 10.Bg5 Bb7; 11.Re1 Nbd7; 12.Rc1 Rc8; 13.Qb3 Bxc3; 14.Rxc3 Qe8?!; ('?')
All this is "book," (but) Black had to play 14...h7-h6 first.

15.Nd21 h6!?; 16.Bxh6!!,
Not even Fritz gets this one, even after 1-2 minutes, Fritz 9.0 is recommending 16.Bh4.

16...gxh6; 17.Rh3!,
I would have thought that the check on g3 was indicated.

17...Rxc4!?;
A desperate "counter-sack" that hardly even slows White down.

18.Nxc4 Kg7!?;
I would have thought that 18...h5 or 18...Qc8 were forced, but it no longer matters.

19.Qg3+ Kh7; 20.Qd3+! Kg7; 21.Nd6!!,
A master that I showed this game found 21.Ree3! which is also winning.

21...Qb8; 22.Rxe6!,
22.Rg3+ was also winning, but the text is the most accurate.

22...fxe6!?; (Maybe - '?' or '??')
Suicidal, something like 22...Rd8 was much better, although after 23.Qe3, White would still be winning.

(The rest requires no comment.)
23.Rg3+ Ng4[]; 24.Rxg4+ Kf6; 25.Qh7!; "+/-" 1 - 0 [replay]

Chess Puzzle # 66

M Tal - A. Bannik
[C75]
URS-ch23 / Leningrad, USSR; 10,01,1956.

1.e4 e5; 2.Nf3 Nc6; 3.Bb5 a6; 4.Ba4 d6; 5.c3 Bd7; 6.d4 Nge7; 7.Bb3 h6; 8.Nh4 exd4;
9.cxd4 Nxd4; 10.Qxd4 Nc6; 11.Bxf7+ Kxf7; 12.Qd5+ Be6; 13.Qh5+ Kg8; 14.0-0 Ne5;
15.Nf5 g6; 16.Qh3 gxf5; 17.exf5 Bc4; 18.f4 Nd7; 19.Rf3 Bg7; 20.Nc3 Nf6; 21.Be3 c5;
22.Bf2 b5; 23.Bh4 b4; 24.Ne4 Bd5; 25.Bxf6 Bxf6; 26.Re1 Bd4+; 27.Kh1 Rh7;
28.Rg3+ Rg7; 29.Rg6 Rxg6; 30.fxg6 Qf8; 31.Qd7 Bg7; 32.Ng3 Rd8; 33.Qg4 Re8;
34.Rd1 Bxa2; 35.f5 c4; 36.h4 d5; 37.Rf1 Bf6; 38.Qd1 d4; 39.Qa4 Bb3; 40.Qc6 Qe7;
41.Nh5 Rf8; 42.Qd5+ Kh8; 43.Nxf6 Qxf6; 44.Qb7 Qg7; 45.Qxb4 Kg8; 46.h5 Qd7;
47.f6 Qg4; 48.f7+ Kg7; 49.Qc5 Qh4+ 50.Kg1 1-0 [replay]

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GM Mikhail Tal was one of the greatest chess players who ever lived.

Someone gave me a book of his games when I was very young. I was fascinated by his games, I found them intriguing and totally absorbing.

Then some writers began spreading the idea that most of Tal's sacrifices were unsound, and ... most of the time ... he won because he had better nerves. (Or something like that.)

What I am discovering now is that the latest computer software shows that many of his combinations were completely sound. The real challenge is to find out exactly where Black went astray in this contest. (This is why I have not bothered to add any annotation symbols to contest.) (Thursday; June 14th, 2007.)

Chess Puzzle # 67

prob03_puz67.gif, 09 KB

Black to move in this position. (XX. ???)

A nice little puzzle from the book, "(The London Times) WINNING MOVES." (Pub. in 2003, this is problem # 179.)

This is all based on the following contest: Ghinda - Gogilea; Romania, 1981. (I could not find this game in the db.)

The solution runs: 1...RxP/h2+!; 2.Kxh2, Bf2+!!; 3.Kg2, Rh2+!; 4.Kxh2, Qh4+; 5.Kg2, Qg3+; 6.Kh1, Qh3#.

Chess Puzzle # 68

prob03_puz68.gif, 09 KB

White to move in this position. (XX. ???)

A nice little puzzle from the book, "(The London Times) WINNING MOVES." (Pub. in 2003, this is problem # 357.)

This is all based on the following contest: Perlasco - Grassi; Como, 1907. (I could not find this game in the db.)

The solution is:
1.QxR/e8+!!, Kxe8[]; 2.Nd4+!, Kf8; (Otherwise 3.Rg8 mate is next.) 3.Re8+!, Kxe8; 4.Rg8+, Ke7; 5.Nf5#.

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