Kader-Challenge: Rasmus Svane and Jana Schneider defend their lead

by Klaus Besenthal
4/9/2021 – Round 5 of the men's tournament at the German "Kader-Challenge" in Magdeburg brought a number of interesting endgames and two decisive results. Niclas Huschenbeth won against Dmitrij Kollars and Daniel Fridman defeated Frederik Svane. Rasmus Svane drew against Luis Engel but that was enough to defend his lead and with 3.5/5 he is still sole first. In the women's tournament table leader Jana Schneider (pictured) lost her first game - against Annmarie Mütsch - but still leads with 3.0/4. | Photo: Bernd Vökler
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Men's Tournament, Round 5

The top encounter of round 5 was the game between Alexander Donchenko and Matthias Blübaum. With a rating of 2670 Blübaum is currently Germany's number 1, but with a rating of 2659 Donchenko is close. This time, the direct duel for the top spot on the German ranking list ended with a draw. But both still have good chances to win in Magdeburg as they both have 3.0/5 points and are only half a point behind table leader Rasmus Svane.

The third player with 3.0/5 is Andreas Heimann, who drew an interesting endgame against Dennis Wagner. Karsten Müller analyses:

 
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1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 c5 5.e3 a6 6.cxd5 exd5 7.b3 cxd4 8.Nxd4 Bb4 9.Bd2 Nc6 10.Nxc6 bxc6 11.Bd3 Ng4 12.Ne2 Qh4 13.Ng3 Nxf2 14.Kxf2 Bxd2 15.Qxd2 Qf6+ 16.Bf5 Bxf5 17.Qd4 Qxd4 18.exd4 Bg6 19.h4 0-0-0 20.Rhe1 Rhe8 21.Rac1 Kc7 22.Rxe8 Rxe8 23.Rc3 Kd6 24.Re3 Re6 25.Rxe6+ fxe6 26.b4 Be4 27.Nh5 e5 28.Ke3 Bxg2 29.Nxg7 The knight hunt In the duel bishop against knight the bishop often wants dynamics and the knight statical control to have time for its slow manovers: Bh3! The knight hunt begins. 30.Ne8+ 30.Nh5 is refuted by a5 31.a3 axb4 32.axb4 Ke6 33.Ng7+ Kf7 34.Nh5 Bg4 35.Ng3 Ke6-+ 30...Ke7 The king joins the knight hunt. 31.Nc7 31.Ng7?! runs into the knight trap exd4+ 32.Kxd4 Bg4 33.h5 h6 34.Ke5 d4 35.Kxd4 Kf7-+ A real knightmare for White. 31...Bc8 32.Na8 Kd6? Now White's knight can regroup in time to stabilise the position and get everything under control. The more active approach 32...Kf6 adds dynamics and wins, e.g. 33.Nb6 33.a4 exd4+ 34.Kxd4 Kf5 35.Nb6 Be6 36.Kc5 Ke5 37.Kxc6 d4-+ 33.dxe5+ Kxe5 34.Nc7 h5 35.a3 Kd6 36.Na8 c5 37.Nb6 Be6 38.Na4 d4+ 39.Ke4 Bd5+ 40.Kd3 cxb4 41.axb4 Ke5-+ 33...Be6 34.Na4 34.a4 h5 35.a5 exd4+ 36.Kxd4 Kf5 37.Kc5 Kg4 38.Kd6 Bf5 39.Kxc6 d4-+ 34...exd4+ 35.Kxd4 Kf5 36.Nc5 Bc8 37.Ke3 Kg4-+ 33.Nb6 Bh3 34.Na4 Bf1 34...e4 does not help due to 35.Nc5 Bc8 36.Kf4 Ke7 37.Nb3 Kf6 38.Nc1 Kg6 39.Ne2 Kh5 40.Kg3= 35.Nc5 h6 36.a4 Bc4 37.Nb7+ Kc7 38.Nc5 Kd6 39.Nb7+ Kc7 40.Nc5 Kd6 ½–½
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WhiteEloWBlackEloBResYearECOEventRnd
Wagner,D2581Heimann,A2606½–½2021D40DSB-Kader-Challenge 20215.4

Andreas Heimann | Photo: Frank Hoppe

With three draws and one loss Daniel Fridman, the oldest player in Magdeburg, did not have a good start into the tournament. But in round 5 he scored his first win and defeated Frederik Svane who suffered his third loss in a row. Karsten Müller had a look at the endgame of this encounter:

 
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1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Nf3 Nf6 5.c3 Nc6 6.Ne5 g6 7.Bb5 Bd7 8.Nxd7 Qxd7 9.0-0 Bg7 10.Nd2 0-0 11.Nf3 Qc7 12.g3 Rad8 13.Bf4 Qb6 14.Qe2 e6 15.h4 Rfe8 16.Rfe1 a6 17.Bd3 Nh5 18.Bg5 Rc8 19.Be3 Qc7 20.Rad1 Bf8 21.Bc1 f6 22.Qf1 Bd6 23.Qh3 Qf7 24.Re3 Rc7 25.Rde1 Rce7 26.Nh2 Kh8 27.Bc2 e5 28.dxe5 Nxe5 29.Qg2 f5 30.Nf3 f4 31.Nxe5 Bxe5 32.Rf3 Nxg3 33.Bb3 Nf5 34.Qh3 Qf6 35.Bxd5 Nxh4 36.Rd3 f3 37.Re4 g5 38.Qg4 h6 39.Be3 Qg6 40.Rd1 Bh2+ 41.Kxh2 Rxe4 42.Bxe4 Qxe4 43.Qh5 Qg6 44.Qxg6 Nxg6 45.Kg3 Kg7 46.Rd6 Re7 47.b3 Nh4 48.Bd4+ Kh7 49.Rf6 Re4 50.Be3 Kg7 51.Rb6 Re7 52.Bd4+ Kh7 53.Rf6 Re4 54.Be3 Kg7 55.Rb6 Re7 56.Bd4+ Kh7 57.Bf6 Re4 58.Bd4 Rf4 59.Rxb7+ Kg6 60.Rb6+ Kh5 The attacking king Endgame attacks are different from middlegame attacks as often the king helps the forces: 61.Rxa6? White does not have time for this greedy capture. 61.Rf6 destroys the attacking coordination and defends, e.g. Nf5+ 62.Kh2 Rh4+ 62...g4 63.Be5 Kg5 64.Bxf4+ Kxf6 65.b4= 63.Kg1 Rg4+ 64.Kh1 Nxd4 65.cxd4 Rxd4 66.Rxf3= 61...Nf5+ 62.Kh2 Rh4+ 63.Kg1 Rg4+ 64.Kf1 64.Kh2 Rg2+ 65.Kh1 Nxd4 66.cxd4 Rxf2-+ 64...Nxd4 65.cxd4 Rxd4 66.Ke1 66.Kg1 is met by Rd1+ 67.Kh2 g4 and Black's pawns help the attack or queen themselves: 68.Rc6 Kg5 69.a4 Rf1 70.Rc2 h5 71.a5 h4 72.a6 Ra1 73.Rc5+ Kg6 74.Rc6+ Kf5 75.Rc5+ Ke6 76.Rc4 g3+ 77.fxg3 f2 78.Rf4 f1Q 79.Rxf1 Rxf1 80.gxh4 Ra1-+ 66...Re4+ 67.Kf1 67.Kd1 Re2-+ 67...Re2 68.Kg1 68.a4 is refuted by Ra2 and Black always comes first, e.g. 69.Ke1 69.Kg1 Kg4 70.Rxh6 Ra1+ 71.Kh2 Rf1 72.a5 Rxf2+ 73.Kg1 Ra2 74.a6 Kg3-+ 69...g4 70.Rf6 70.a5 Ra1+ 71.Kd2 g3-+ 70...Kg5 71.Rf8 h5 72.Rg8+ Kh4-+ 68...Kg4 The king joins the attack with decisive effect. 69.a3 69.Rxh6 Re1+ 70.Kh2 Rf1 69...h5 70.Rd6 70.Ra5 does not defend due to Kh3 71.Kf1 Rb2 72.Ke1 g4 73.Rxh5+ Kg2 74.Rg5 Rb1+ 75.Kd2 Rxb3 76.Rxg4+ Kxf2 77.a4 Ra3! 78.Kc2 Ke2 79.Kb2 Re3 80.a5 f2 81.Rg2 Re5 82.a6 Ra5-+ 70.Rh6 h4 71.Rg6 Kh3-+ 70...Kh3 Now the king even helps weaving a mating net. 71.Rd1 g4 72.b4 g3 73.Rf1 73.fxg3 Kxg3 74.b5 Rg2+ 75.Kf1 Rh2 76.Kg1 f2+ 77.Kf1 Rh1+ 78.Ke2 Rxd1 79.Kxd1 f1Q+-+ 73...gxf2+ 74.Rxf2 Kg3 74...Kg3 75.Rf1 Rg2+ 76.Kh1 f2 77.Rxf2 Rxf2 78.Kg1 h4-+ 0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Svane,F2421Fridman,D26010–12021B13DSB-Kader-Challenge 20215.1

With two losses and two draws Niclas Huschenbeth started even worse than Fridman. But like Fridman Huschenbeth also won his first game in round 5, against Dmitrij Kollars, in an endgame which Karsten Müller liked to analyse:

 
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1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Bd3 Nd5 9.h4 Qc7 10.Nc3 Nf4 11.Be4 h6 12.Nf3 Bg4 13.d4 Bb4 14.Bxf4 exf4 15.Qd3 0-0 16.Ne5 Be6 17.Bh7+ Kh8 18.Bf5 c5 19.Bxe6 cxd4 20.Qxd4 Bxc3+ 21.Qxc3 Qxc3+ 22.bxc3 Rae8 23.0-0-0 Rxe6 24.Rhe1 Kg8 25.Nd7 Rfe8 26.Rxe6 Rxe6 27.Rd4 Re1+ 28.Kd2 Rg1 29.Ra4 Nc6 30.Ra6 Nd8 31.Rxa7 Ne6 32.Ke2 Rxg2 33.a4 g5 34.hxg5 Rxg5 35.a5 h5 36.a6 Ra5 37.Kf3 Kg7 38.c4 The power of passed pawns In the endgame they are usually a mighty force: Ra3+?! This frist step in the wrong direction. 38...Ng5+ 39.Kxf4 h4 is more precise as Black's passed h-pawn now gives more counterplay, e.g. 40.Rb7 h3 41.Rb1 f6 42.Kg3 Ra3+ 43.Rb3 Rxa6 44.f4 Ne6 45.Kxh3 Nxf4+= 39.Kg2 h4? Now White is winning. The computer suggests 39...f3+ which probably still defends, e.g. 40.Kg3 Ra4 41.Kxf3 Rxc4 42.Ne5 Rc3+ 43.Kg2 Nc7= 40.c5 The power of the passed pawns increases. h3+ 40...Ng5 is met by 41.Ne5 f3+ 42.Kh2 Ra2 43.Ra8 Rxc2 44.Nd3 Ra2 45.c6 Ne6 46.Kh3 Ra4 47.Ra7 Kf6 48.c7 Nxc7 49.Rxc7 Rxa6 50.Kxh4+- 41.Kh2 Ng5 42.Ne5 This knight retreat stops Black's attack for good. Kf6 43.Nd3 Ra5 44.Rb7 The rook is activated with decisive effect. Kf5 44...Rxa6 45.Rb6++- 45.a7 Ra1 46.c6 White has just too many running men. Kg4 47.Ne5+ Kh4 47...Kf5 48.c7+- 48.Rb8 Now even White instead of Black uses the exposed enemy king so Black resigned. 48.Rb8 Rxa7 49.Rh8+ Nh7 50.Rxh7++- 1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Huschenbeth,N2604Kollars,D25981–02021C58DSB-Kader-Challenge 20215.2

Results of round 5

 

Standings after round 5

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Women's Tournament

With 3.0/3 Jana Schneider, who will celebrate her 19th birthday on April 11 and who in 2017 at the age of 14 became the second youngest German National Women's Champion of all time (Elisabeth Pähtz is the youngest), had an ideal start into the tournament. But in round 4 she lost a wild game against Annmarie Mütsch.

 
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1.e4 d6 2.d4 Nf6 3.Nc3 Nbd7 4.Nf3 e5 5.Bc4 Be7 6.0-0 c6 7.a4 Qc7 8.Re1 h6 9.Ba2 Nf8 10.Qe2 Ng6 11.h3 0-0 The Philidor Defense enjoys the reputation of being solid though somewhat passive. But in this game Black hopes to attack White's king with her two knights. 12.Be3 Nh5 13.Qc4 Bd8 Defending the queen and preventing Nd5. 14.Rad1 Nhf4 15.d5?! White wants to counter Black's threats on the kingside with a tactical stroke in the center. But this is not a good idea. More solid and better was 15.dxe5 dxe5 16.Bxf4 Nxf4 17.Qc5 Ng6 18.Qd6 with a roughly equal position. 15...c5 16.Nb5 Qd7 17.Nxd6? That was White's idea when she played 15.d5. But Black's threats on the kingside are too strong for this to work. Qxd6 18.Bxc5 Qf6 19.Re3 Now White realises the danger she is in. After 19.Bxf8 Nxg2! the simple 19...Nxf8 also gives Black a winning position 20.Kxg2 Bxh3+ White will sooner or later be mated. 19...Bd7 After this hesitant move Black is still winning but immediately decisive was 19...Bxh3! 20.gxh3 Nxh3+ 21.Kf1 Rc8 and White is lost. 20.Qb4 b6 21.Bxf8 Nxf8 22.Qc3 N8g6 23.d6 Rc8 24.Qb3 Rc5 25.Rd2 Nf8 26.h4 N8e6 27.g3 Nh5? Black does not seem to have a clear plan what to do with her advantage and just moves her knights around. But this allows White to get back into the game. Better was the somewhat surprising 27...Ra5! to win the pawn on a4. 28.Rd5 Bc6? This could have led to a loss. Better was 28...Rxd5 though it is White who is clearly better after 29.Qxd5 29.Rxc5 bxc5 30.Qb8 Nhf4 31.Nxe5? White panics. After 31.gxf4 exf4 or 31...Nxf4 32.Qxa7 Qg6+ 33.Kf1 Qg2+ 34.Ke1 and Black's attack comes to a halt. 32.Rc3 Black has no more than some swindling chances. 31...Nh3+ 32.Kg2 Qxf2+ 33.Kxh3 Nf4+! A nice tactical shot. 34.gxf4 Qxe3+ 35.Kh2 After 35.Kg4? Bd7+! 36.Nxd7 h5+ 37.Kf5 g6+ 38.Ke5 Qd4# Black mates. 35...Qf2+ Black's threats are more dangerous than White's. 36.Kh3 Qxh4+ 37.Kg2 Bxe4+ 38.Kf1 Kh7 39.Bxf7 Qxf4+ 40.Ke2 Qxe5 41.Qxd8 Bg6+ 42.Kd2 Bxf7 43.Qc7 Qd4+ 44.Ke2 Bh5+ 45.Kf1 Qf4+ 46.Kg1 Be2 47.Kg2 Qf3+ 48.Kh2 Bf1 0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Schneider,J2272Muetsch,A22660–12021C41DSB-Frauenkader-Challenge 20214.4

But despite this loss Jana Schneider still leads the tournament as her closest rival Antonia Ziegenfuß lost against Melanie Lubbe.

Round 4 - Results

 

Standings after round 4

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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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