Bamberg 1968, Round 6: Keres beats Kestler

by Klaus Besenthal
6/28/2020 – At the Bamberg Jubilee Tournament, Hans-Günther Kestler could not repeat his surprise success from two days earlier when he drew world champion Tigran Petrosian: the local hero was literally overrun by Paul Keres’ central pawn mass in the 6th round. Keres remains the sole leader of the standings with 5/6. Petrosian and Borislav Ivkov are merely a half point behind. | Photo: The town hall of Bamberg (Pixabay)
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International Jubilee Tournament in Bamburg

After Keres’ rather lucky victory over Andreas Dückstein in the 5th round, he managed to score a win over Kestler that can certainly be called a “one-way affair”:

 
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1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qc2 c5 6.Bg2 Nc6 7.dxc5 bxc5 8.0-0 Be7 9.Qa4 Qc8 10.Bf4 0-0 11.Nc3 d6 12.Rfd1 Rd8 13.Nb5 Ne8 14.a3 Bb7 15.Nc3 Nd4 16.Nxd4 cxd4
A sharp position in which Black has an imposing pawn formation in the centre. 17.Ne4 White could have chosen 17.Rxd4!? and after e5 White seems to be in trouble, but 18.Bxe5 Bxg2 19.Kxg2 dxe5 20.Rxd8 Qxd8 21.Rd1 and White has surprisingly good compensation for the bishop: two extremely dangerous pawns and active, well-coordinated pieces. 17...e5 18.Bd2 f5 19.Ng5 Bxg2 20.Kxg2 Qb7+
Black has the initiative, White needs to be resourceful. 21.Nf3 Rdc8 22.Kg1 After this move, White comes out of the frying pan and into the fire: although threat e5-e4-e3+ has been prevented, Black's other central pawn can now take a step forward. More stubborn was 22.Be1! 22...d3! 23.Qb5 Qe4 24.Qd5+ Qxd5 25.cxd5 dxe2 26.Re1 Rc2 27.Rxe2 Rxb2
Only Keres can win this position. 28.Rd1 Nf6 29.Nd4 g6 30.Bc3 Rxe2 31.Nxe2 Rc8 32.f4 Ne4 33.Ba1 Rc2 34.Kf1 exf4 35.gxf4 Ra2 36.Bd4 Nd2+ 37.Kf2 Ne4+ 38.Ke1 Bh4+ 39.Kf1 Nd2+ 40.Kg2 Nb3 41.Kh3 0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Kestler,H-Keres,P-0–11968Bamberg6

Television coverage from the Bamberg tournament

After getting four wins and two draws, Keres remains the sole leader of the standings table, closely followed by World Champion Petrosian and Borislav Ivkov. In round 6, Petrosian defeated Roman Toran, while Ivkov got the better of Andreas Dückstein.

Jan Hein Donner had joined the chasing group in the 5th round, but the Dutch grandmaster lost that status immediately. Donner was defeated by the young German International Champion Helmut Pfleger, who grew up in Bamberg and wisely used his pair of bishops to get the full point:

 
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1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.d4 0-0 5.g3 d5 6.c5 Nc6 7.Bg2 Ne4 8.0-0 Bf5 9.Be3 Na5 10.Nd2 Nxd2 11.Bxd2 c6 12.Bf4 b6 13.b4 Nc4 14.Rc1 bxc5 15.bxc5 Qa5 16.e4 dxe4 17.Qe2 e5 18.dxe5 Nxe5 19.Nxe4 Rfe8 20.Rfd1 Bxe4 21.Bxe4 Rad8 22.Rd6 Bf8 23.Rxd8 Qxd8 24.Qc2 Qa5 25.h4
White has the pair of bishops and there are no pawns in the centre, but the white advantage is virtually impossible to convert: the strong black knight literally stands in the way of the white bishop pair. 25...Nd7?! Black voluntarily vacates his strong bastion - that can't be good! 25...Re6!= was a very good move here. 26.Bxc6 Re1+ 27.Rxe1 Qxe1+ 28.Kg2 Nxc5 29.Be3 Qb4 30.Bd5
Black's approach has considerably increased the radius of action of White's bishops - and the f7-square is now vulnerable, as it has lost its protection by the knight. 30...a5 31.h5 Qa4 32.Qe2 Qd7 33.Qc4 Ne6 34.a4 Bb4 35.Qe4 Kf8
36.Bc4 Also good was the apparently nonsensical 36.h6 The task of preventing the white queen from entering via the long diagonal would have been an additional heavy burden for Black. 36...Ke7 37.Bg5+ Kd6? Black was undoubtedly under heavy pressure, but the end comes only after this mistake. With 37...Kf8 it was possible to continue resisting. 38.Bb5! Now Black has so many problems that he can no longer solve them all at once: Bf6 and Qe5 are threatened, the c6-square has to be guarded, and in some variations the white bishop can go to e8. Qa7 39.Qc6+ Ke5 40.f4+ Black will be mated. 1–0
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Pfleger,H-Donner,J-1–01968Bamberg6

Bamberg 1968

The playing hall

Even at this level we see players blundering early on in their games. Heikki Westerinen needed no more than 14 moves to defeat Juergen Teufel:

 
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1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.0-0 f6 6.d4 Bg4 7.dxe5 Qxd1 8.Rxd1 fxe5 9.Rd3 Bxf3 10.Rxf3 Nf6 11.Kf1 0-0-0 12.Nc3 Bb4 13.Bg5 Bxc3
After merely 13 moves a very clear-cut position has been reached. Nevertheless, a bit of calculation was still needed... 14.Rxf6?? A major miscalculation. After 14.Bxf6! Bxb2 Or 14...gxf6 15.Rxc3 Rd2 16.Re1 Rhd8 17.Re2= 15.Bxd8 Bxa1 16.Be7 the subsequent penetration of the white rook on the seventh rank would have easily outweighed the pawn disadvantage. 14...gxf6 0–1
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Teufel,J-Westerinen,H-0–11968Bamberg6

Results

1 Tigran V Petrosian  1 - 0 Roman Toran Albero
2 Hans Guenter Kestler   0 - 1 Paul Keres
3 Laszlo Szabo  1 - 0 Klaus Klundt
4 Lothar Schmid  ½ - ½ Wolfgang Unzicker
5 Helmut Pfleger  1 - 0 Jan Hein Donner 
6 Milko Georgiev Bobotsov 1 - 0 Rudolf Teschner 
7 Andreas Dueckstein  0 - 1 Borislav Ivkov
8 Juergen Teufel  0 - 1 Heikki MJ Westerinen

Standings after round 6

Bamberg 1968

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Games

 
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1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.Nf3 c5 7.0-0 Nc6 8.a3 cxd4 9.exd4 dxc4 10.Bxc4 Be7 11.Re1 Bd7 12.Ba2 Rc8 13.Qd3 Re8 14.Ne5 g6 15.Bg5 Nh5 16.Bxe7 Qxe7 17.Nc4 b5 18.Ne3 b4 19.Ne4 Nf6 20.Nc4 Rcd8 21.Nxf6+ Qxf6 22.Nd6 Re7 23.Rad1 Be8 24.Nxe8 Rexe8 25.Qa6 Nxd4 26.Qxa7 b3 27.Bb1 Nc2 28.Rxd8 Rxd8 29.Rf1 Qxb2 30.Qb6 Rd5 31.a4 Qc3 32.h3 Kg7 33.g3 Ra5 34.h4 Rxa4 35.h5 gxh5 36.Qd8 h6 0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Szabo,L-Petrosian,T-0–11968E57Bamberg1
Teschner,R-Unzicker,W-½–½1968B13Bamberg1
Westerinen,H-Donner,J-0–11968B09Bamberg1
Klundt,K-Toran Albero,R-½–½1968B34Bamberg1
Kestler,H-Bobotsov,M-0–11968E92Bamberg1
Ivkov,B-Pfleger,H-1–01968D37Bamberg1
Keres,P-Schmid,L-1–01968B21Bamberg1
Dueckstein,A-Teufel,J-½–½1968B53Bamberg1
Donner,J-Teschner,R-½–½1968D19Bamberg2
Toran Albero,R-Westerinen,H-½–½1968D91Bamberg2
Teufel,J-Kestler,H-½–½1968B35Bamberg2
Pfleger,H-Klundt,K-½–½1968E61Bamberg2
Schmid,L-Ivkov,B-½–½1968A42Bamberg2
Bobotsov,M-Keres,P-½–½1968D25Bamberg2
Petrosian,T-Unzicker,W-½–½1968D40Bamberg2
Szabo,L-Dueckstein,A-1–01968A92Bamberg2
Westerinen,H-Pfleger,H-½–½1968B17Bamberg3
Dueckstein,A-Petrosian,T-0–11968B94Bamberg3
Keres,P-Teufel,J-1–01968A54Bamberg3
Ivkov,B-Bobotsov,M-½–½1968A35Bamberg3
Klundt,K-Schmid,L-0–11968B87Bamberg3
Teschner,R-Toran Albero,R-½–½1968E99Bamberg3
Unzicker,W-Donner,J-½–½1968B09Bamberg3
Kestler,H-Szabo,L-½–½1968B99Bamberg3
Szabo,L-Keres,P-½–½1968E45Bamberg4
Teufel,J-Ivkov,B-0–11968B06Bamberg4
Petrosian,T-Donner,J-½–½1968D14Bamberg4
Toran Albero,R-Unzicker,W-0–11968E54Bamberg4
Pfleger,H-Teschner,R-½–½1968A30Bamberg4
Schmid,L-Westerinen,H-1–01968A54Bamberg4
Bobotsov,M-Klundt,K-½–½1968D94Bamberg4
Dueckstein,A-Kestler,H-½–½1968C44Bamberg4
Unzicker,W-Pfleger,H-½–½1968D34Bamberg5
Keres,P-Dueckstein,A-1–01968C08Bamberg5
Kestler,H-Petrosian,T-½–½1968E92Bamberg5
Donner,J-Toran Albero,R-1–01968E92Bamberg5
Ivkov,B-Szabo,L-½–½1968C67Bamberg5
Teschner,R-Schmid,L-½–½1968C09Bamberg5
Westerinen,H-Bobotsov,M-1–01968B61Bamberg5
Klundt,K-Teufel,J-0–11968B53Bamberg5
Petrosian,T-Toran Albero,R-1–01968E66Bamberg6
Kestler,H-Keres,P-0–11968E15Bamberg6
Szabo,L-Klundt,K-1–01968E70Bamberg6
Schmid,L-Unzicker,W-½–½1968C87Bamberg6
Pfleger,H-Donner,J-1–01968E61Bamberg6
Bobotsov,M-Teschner,R-1–01968D42Bamberg6
Dueckstein,A-Ivkov,B-0–11968B06Bamberg6
Teufel,J-Westerinen,H-0–11968C69Bamberg6

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Klaus Besenthal is computer scientist, has followed and still follows the chess scene avidly since 1972 and since then has also regularly played in tournaments.

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