Kader-Challenge: Rasmus Svane takes the lead

by Klaus Besenthal
4/8/2021 – Wednesday, April 7, brought a double shift for the players in the German "Kader-Challenge" - rounds 3 and 4. Rasmus Svane made the most of these opportunities: in round 3 he won against his younger brother Frederik and in round 4 he defeated Niclas Huschenbeth, and is now sole leader with 3.0/4. In the women's tournament only one round was played. Jana Schneider continued to win and now leads with 3.0/3. But it was Antonia Ziegenfuß, who played the game of the day: she defeated Elisabeth Pähtz in a powerful attacking game. | Photo: Frank Hoppe

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DSB-Kader-Challenge 2021

In round 3, Germany's number one, Matthias Blübaum, showed the advantages of being pragmatic: in his game against Luis Engel Blübaum gave back an extra piece he had just won because the resulting endgame was so much easier to play and to win than the position with a piece up.

 
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1.e4 c6 2.d4 d5 3.e5 Bf5 4.Nf3 e6 5.Be2 c5 6.Be3 Nd7 7.0-0 Ne7 8.c4 dxc4 9.Na3 c3 10.Nb5 Nd5 11.Bg5?! After this careless move White gets into trouble. Better was 11.Nxc3 Nxe3 12.fxe3 with a roughly equal position and chances for both sides. 11...c2! Maybe White missed or underestimated this "zwischenzug"? At any rate, the pawn on c2 will give White a lot of trouble. 12.Qd2 Qb6 13.a4 a6 14.a5 Qc6 15.Na3 h6 16.Be3 Nxe3 17.fxe3 Qe4 18.Rfc1 cxd4 19.exd4 Rc8 20.Rxc2!? White is a pawn down and under severe pressure and sacrifices a piece to create counterplay. 20.Ne1 would have lost after Nxe5! 21.dxe5 Bc5+ 22.Kh1 Be3 23.Rxc2 Bxd2 24.Rxc8+ Kd7 25.Rxh8 or 25.Bf3 Kxc8 26.Bxe4 Bxe4 and White's is hopeless. 25...Qxe2 But it might have been better to try 20.Nc4 though Black is still clearly better after Be7 21.Ne3 Bg6 22.Bc4 0-0 23.Rxc2 . 20...Rxc2 21.Nxc2 Qxc2 22.Rc1 Qxd2 23.Rc8+ Ke7 24.Nxd2 White is a pawn down but has counterplay: Black is not fully developed and the white rook is ready to chase Black's queenside pawns. But Black finds a creative solutions to these problems: Nxe5!? Black gives back material - he sacrifices his knight for a pawn to untangle his pieces and to liquidate into an endgame, in which he is a pawn up and has the bishop pair. 25.dxe5 Kd7 26.Rc4 Be7 27.Bf3 Rb8 28.g4 Bg6 29.Nb3 Rc8 30.Rd4+ Kc7 31.Kg2 Kb8 32.Kg3 Rd8 33.Rc4 Rd3 34.Nd4 Be4 35.Kg2 Rd2+ 36.Kg3 Bxf3 37.Nxf3 Rxb2 38.h4 Rb4 39.Rf4? Bxh4+ 0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Engel,L2553Bluebaum,M26700–12021B12DSB-Kader-Challenge 20213.5

Diving into his memory bank: Matthias Blübaum in his fourth round game against Dennis Wagner which ended in a draw. | Photo: Kevin Högy

In round 3 the two Svane brothers faced each other. But everyone who expected a peaceful draw was proven wrong. The two brothers pulled no punches:

 
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1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.d3 b5 7.Bb3 d6 8.a3 0-0 9.Nc3 Nb8 10.h3 Bb7 11.Ne2 Nbd7 12.Ng3 Re8 13.Ng5 d5 14.f4 c5 15.exd5 Qb6 16.Kh1 Nxd5 17.Nxf7 Qg6 18.Qf3 Qxf7 19.c4 bxc4 20.dxc4 e4 21.Qxe4 Bh4 22.Qf3 Ne3 23.Qxb7 Rab8 24.Qf3 Bxg3 25.Bxe3 Rxb3 26.Qxg3 Rbxe3 27.Qg4 Nf6 28.Qf5 Ne4 29.Qxf7+ Kxf7 30.Kg1 Rb3 0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Svane,F2421Svane,R26130–12021C77DSB-Kader-Challenge 20213.2

In his "Game of the Week" show Merijn van Delft took a closer look at this fascinating game.

It was a bad day for Frederik Svane: in round 3 he lost against his brother Rasmus, and in round 4 he lost against Dmitrij Kollars | Photo: Frank Hoppe

After winning against his brother in a tactical skirmish in round 3, Rasmus Svane won a difficult endgame against Niclas Huschenbeth in round 4. Karsten Müller took a closer look.

 
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1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.c4 Ngf6 5.Nc3 e6 6.0-0 Be7 7.d4 cxd4 8.Qxd4 0-0 9.Rd1 Qc7 10.Bxd7 Bxd7 11.Bf4 Bc6 12.Bxd6 Bxd6 13.Qxd6 Qxd6 14.Rxd6 Bxe4 15.Ne5 Rfc8 16.Rad1 Bc6 17.Nxc6 bxc6 18.f3 Kf8 19.Kf2 Ke7 20.R6d2 Rd8 21.Rxd8 Rxd8 22.Rxd8 Kxd8 23.Ke3 Ke7 24.b4 e5 25.a4 Nd7 26.Kd3 a5 27.bxa5 Nc5+ 28.Kc2 Kd6 29.a6 Nxa6 30.Ne4+ Ke6 31.Kc3 h6 32.a5 f5 33.Nf2 Kd6 34.g4 g6 35.h4 h5 36.gxh5 gxh5 37.Nh1 f4 38.Nf2 Nc5 39.Nd3 Na6 40.Kd2 Ke6 41.Kc2 Zugzwang is the sharpest endgame weapon Botvinnik's Law that knight endgames are like pawn endgames has several points. One is that zugzwang is very important: Kd6? This runs into an amazing blow. 41...Kf5 defends, e.g. 42.Nf2 42.Kc3 e4 43.fxe4+ Kxe4= 42...Nb4+ 43.Kb3 Na6 44.Ne4 Ke6= 42.Kc3‼ Now Black is in fatal zugzwang. 42.Kb3? c5 43.Nf2 Nb4 44.Ne4+ Kc7 45.Nxc5 Nc6 46.a6 Kb6 47.Nd7+ Kxa6 48.Kc3 Kb7 49.Kd3 Kc7 50.Nf6 Ne7 51.Nxh5 Nf5= 42...Nc7 Now 42...c5 can be met by 43.Nf2 Nb4 44.Ne4+ Kc7 45.Nxc5 Nc6 46.a6 Kb6 47.Nd7+ Kxa6 48.Kd3+- 42...Nc5 43.Nxc5 Kxc5 44.Kd3+- 42...Ke6 43.Nb4 Nxb4 44.Kxb4 e4 45.Kc3 exf3 45...e3 46.a6+- 46.Kd2+- 43.Nb4 c5 43...e4 44.fxe4 Ke5 45.Kd3 c5 46.Nc6+ Kd6 47.Nb8+- 43...Kc5 44.a6 Kb6 45.Nd3 Nxa6 46.Nxe5 Nc5 47.Kd4+- 44.Nd3 Na6 45.Nf2 Ke7 46.Ne4 Kd7 47.Kd2 Ke6 48.Kc2 Kd7 49.Kc3 Again amazing this king move. Zugzwang really is the sharpest endgame weapon. The greedy 49.Nf6+?! Ke6 50.Nxh5? is met by Kf5 51.Ng7+ Kf6 52.Ne8+ Ke7 53.Ng7 Kf6= 49...Ke6 50.Kb3 The threatening king invasion overloads the defense. Kd7 51.Ka4 Kc6 52.Nf6 Nc7 53.Nxh5 Ne6 53...e4 54.fxe4 f3 55.Ng3 Kd6 56.h5 Ke5 57.h6 Kf4 58.Nf1+- 54.Nf6 Nd4 55.h5 The rook's pawn is the worst enemy of the knight. Nxf3 56.Ne4 Nh4 57.h6 f3 58.h7 Ng6 59.Kb3 Kc7 60.Kc3 Kb7 60...Kc6 61.Kd3+- 61.Nxc5+ Ka7 62.Kd3 e4+ 63.Ke3 63.Nxe4 Ka6 64.Ke3 Kxa5 65.Kxf3 wins as well. 63...Nh8 64.Nxe4 Ka6 65.Kxf3 Kxa5 66.Kf4 Kb4 67.c5 1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Svane,R2613Huschenbeth,N26041–02021B51DSB-Kader-Challenge 20214.4

With a rating of 2659, Germany's number two, Alexander Donchenko, is currently only 11 points behind Blübaum, and if things go well for him, Donchenko might gain some rating points at the "Kader-Challenge" to become Germany's new number one. Donchenko started the tournament with three draws but in round 4 he showed his endgame skills and won with Black against Daniel Fridman:

 
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1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Bf5 7.e3 e6 8.Qb3 Bb4 9.Ne5 Qb6 10.Nxc6 bxc6 11.Be2 Ne4 12.f3 Nxc3 13.bxc3 Be7 14.0-0 0-0 15.c4 c5 16.cxd5 exd5 17.g4 Bg6 18.Qxd5 cxd4 19.exd4 Bf6 20.Rad1 Rfd8 21.Qb5 Rxd4 22.Qxb6 axb6 23.Be3 Rxd1 24.Bxd1 Bd3 25.Bxb6 Bxf1 26.Kxf1 Rxa2 27.Bf2 Be5 28.h3 Bf4 29.Bb3 Rd2 30.Ba4 g6 31.Bc6 Kg7 32.Bb7 Kf6 33.Be4 Kg5 34.Be1 Rh2 35.h4+ Kf6 36.Bf2 Rh1+ 37.Ke2 Kg7 38.Bd5 Kg8 39.Be4 Bd6 40.f4 Ra1 41.f5 Ra2+ 42.Kf3 Ra3+ 43.Kg2 Ra4 44.Kf3 h5 45.gxh5 gxf5 46.Bc6 Ra3+ 47.Kg2 Kg7 48.Bd5 Be5 49.h6+ Kg6 50.h7 Bh8 51.h5+ Kg7 52.Bd4+ Kxh7 53.Bxh8 Kxh8 54.Bxf7 Kg7 55.Bg6 Kf6 56.Kf2 Kg5 57.Bf7 Kg4 58.Bg6 Ra2+ 59.Kf1 Rh2 60.Kg1 Kg3 61.Bxf5 Rd2 0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Fridman,D2601Donchenko,A26590–12021D14DSB-Kader-Challenge 20214.1

Alexander Donchenko | Photo: Frank Hoppe

Results of round 3

 

Results of round 4

 

Standings after round 4

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Women's Tournament

Jana Schneider continues to dominate the tournament. In round 3 she won against Melanie Lubbe, her third win in a row.

But the big surprise of the round was the win of Antonia Ziegenfuß against tournament favourite Elisabeth Pähtz – after all, the two players are more than 350 rating points apart. But Antonia Ziegenfuß was not overly impressed by this rating difference and won in impressive style:

 
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1.c4 c5 2.Nc3 Nc6 3.Nf3 g6 4.g3 Bg7 5.Bg2 e6 6.e3 Nge7 7.0-0 Nf5 8.e4 Nfe7 9.d4 Nxd4 10.Nxd4 cxd4 11.Nb5 Qb6 12.a4 0-0 13.a5 Qc6 14.b3 d5 15.Ba3 dxc4 16.Bxe7 Re8 17.Nxd4 Bxd4 18.e5! A strong and surprising in-between move! White sacrifices the exchange but gets a powerful attack on the black squares. Qd7 19.Bf6! Bxa1 20.Qxa1 h6 21.Qc1 Kh7 22.Rd1 Rb8 Black must give the queen. 22...Qc7 23.Rd4 Threatening 24.Qxh6! Kxh6 25. Th4+ White mates. h5 24.Rh4 Black is helpless against the threat of 25.Rxh5 (+). 23.Rxd7 Bxd7 24.bxc4 White is material up and still has an on-going attack. And despite stubborn and ressourceful resistance Black could not save the game. Rec8 25.Qf4 b5 26.Be7 Kg7 27.Be4 Rxc4 28.Qf6+ Kg8 29.Bxg6 Be8 30.Bh5 Rb7 31.Bd6 Bc6 32.Qxh6 Ra4 33.f3 Rd7 34.Bf8 f5 35.exf6 1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Ziegenfuss,A2101Paehtz,E24671–02021A37DSB-Frauenkader-Challenge 20213.4

Antonia Ziegenfuß | Photo: Frank Hoppe

Annmarie Mütsch won an interesting rook endgame against Luisa Bashylina:

 
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1.e4 c5 2.Nf3 a6 3.c4 Nc6 4.d4 cxd4 5.Nxd4 e5 6.Nf5 d6 7.Nc3 g6 8.Ne3 Bh6 9.Be2 Nf6 10.h4 Nd4 11.Bf3 Be6 12.Ncd5 Rc8 13.b3 Bxd5 14.exd5 Bg7 15.h5 Nxf3+ 16.Qxf3 Nxh5 17.Rxh5 gxh5 18.Nf5 Qf6 19.Qxh5 e4 20.Rb1 Qg6 21.Qxg6 hxg6 22.Nxd6+ Kd7 23.Nxc8 Rh1+ 24.Kd2 Kxc8 25.Kc2 Rh2 26.Bb2 Bxb2 27.Rxb2 Rxg2 28.Kc3 g5 29.Kd4 f5 30.Ke3 Kd7 31.c5 Rg1 32.Kd4 Rg2 33.Re2 g4 The way forward is backwards Rook endings have a large drawish tendency. But over the board it is more difficult than with the help of the computer: 34.Ke3!? A good way to activate the kling. The way forward is backwards. 34.Ke5?? is too active due to g3-+ 34...Ke7 35.b4 Kf6 36.c6 bxc6 37.dxc6 Rh2? The rook will be too passive. The king must deal with the passed c-pawn immediately: 37...Ke7! The way forward is backwards. 38.Rc2 38.a4 g3 39.fxg3 Rxg3+ 40.Kf4 Rb3= 38.Rd2 Rg1 39.Kf4 Rc1 40.Kxf5 Rxc6 41.Re2 Rf6+ 42.Kxe4 42.Kxg4 Kd6= 42...Kd6 43.Rd2+ Kc6 44.Ke5 Rf3 45.a4 g3 46.fxg3 Rxg3= 38...Kd8= 38.c7 Rh8 38...Rh3+ is met by 39.Kd4 Of course not 39.Kf4?? Rf3# 39...Rh8 40.Rc2+- 39.Rc2 Here the rook belongs behind the passed pawn as Dr Tarrasch's guideline advises. Rc8 40.Kf4 Ke6 41.a4 Kd6 42.Kxf5 Now the way forward is forwards. g3 42...Rxc7?! runs into 43.Rxc7 Kxc7 44.Kxe4+- 43.fxg3 e3 44.Ke4 e2 45.Rxe2 Rxc7 46.Rd2+ Ke6 47.g4 Rc1 47...Kf6 48.Rd5 Rc4+ 49.Rd4 Rc6 50.Kd5+- 48.Rd4 Kf6 49.Kd5 Ke7 50.Rc4 Rd1+ 51.Kc6 Rd6+ 52.Kb7 Kd7 53.g5 Rg6 54.Rc5 Re6 55.Rd5+ Ke7 56.b5 axb5 57.axb5 1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Muetsch,A2266Bashylina,L19781–02021B28DSB-Frauenkader-Challenge 20213.2

Round 3 - Results

 

Standings after round 3

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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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