Hi!

Here is the link to the page containing yesterday's recording
http://www.open-aurec.com/Skype/Uwe/Uwe.htm
We first a warm up puzzle which you will find below. Careful, the
solution is posted there too. We then studied a position from the
following game and the topic was prophylactic thinking:
Mikhail Tal vs Zoltan Ribli
EUR-chT (Men) 7th (1980), Skara SWE, rd 2, Jan-21
Gruenfeld Defense: Exchange. Modern Exchange Variation (D85) · 1/2-1/2
rnr3k1/p4qbp/3R1pp1/4p3/2P5/1Q2BN2/P4PPP/2R3K1 w - - 0 23

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 c5
8.Be3 O-O 9.Be2 b6 10.Rc1 e6 11.O-O Bb7 12.dxc5 Bxe4 13.Qa4 Bc6 14.Bb5
Bxb5 15.Qxb5 Qd7 16.c4 bxc5 17.Rfd1 Qc6 18.Bxc5 Rc8 19.Bd4 f6 20.Be3
e5 21.Qb3 Qe6 22.Rd6 Qf7 23.Nd2 Nc6 24.Ne4 Na5 25.Qb5 Nxc4 26.Rc6 Rxc6
27.Qxc6 Rd8 28.Bxa7 Qxa7 29.Qxc4+ Qf7 30.Qxf7+ Kxf7 31.Rc7+ Kg8 32.Kf1
f5 33.Nc5 Ra8 34.a4 ½-½

warm up puzzle

Black to move
white pieces
King h1, Queen g4, Rooks g1 and h8, pawns a4, b3, c2, f5, g2, h2
Black pieces
King f7, Queen b7, Rook d2, Bishops c6 and c5, Pawns a5, b6, d4, f6, g7

Solution

1... Bxg2+ 2. Qxg2 (2. Rxg2 Qxg2+ 3. Qxg2 Rd1+ 4. Qg1 Rxg1+ 5. Kxg1
d3+) Qxg2+ 3. Rxg2 Rd1+ 4. Rg1 Rxg1+ 5. Kxg1 d3+ 6. Kf2 dxc2
and black is winning

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