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David Max Schapiro vs Gerard Oskam
NL vs Lower Rhine region (1911), Krefeld GER, Sep-30
Spanish Game: Berlin Defense. Rio Gambit Accepted (C67)  ·  1/2-1/2

ANALYSIS [x]

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Kibitzer's Corner
Jan-26-14  Karpova: This game was played on board 4 of the 3rd Netherlands vs Lower Rhine Region match in the Stadtwaldhaus in Krefeld.

Annotations by W Therkatz from the 'Krefelder Zeitung' (condensed):

4...Nxe4 <Less often played lately, more common is 4...Be7 as in Capablanca vs O Bernstein, 1911>.

5...exd4 <First played in London 1851 (Bird-Horowitz), then differing in Neumann-Winawer (Paris 1867) and Mackenzie-Vazquez (Havana 1887). Was rarely considered as it was regarded as inferior until 1908 with the correspondence game Berlin vs Riga, 1906 - a final conclusion on this variation was not arrived at, the missing moves 3...a6 4.Ba4 (compared to the Berlin-Riga game) do not signify a disadvantage for White in the "Riga-Variante".>

6.Re1 <Reference to Alapin's analysis in 'Wiener Schachzeitung' 1910 and H. Krause-Oringe in the 'Deutsches Wochenschach'.> I skipped the lines.

6...d5 <Reference to Alapin's try in 1901 in the 'Wiener Schachzeitung' to support 6...f5. Berger disagrees with him in 'Deutsche Schachzeitung' 1908.> I again skipped the lines.

7.Nxd4 <Initiates the not yet refuted counter combination by Black, after which White has the choice to go for a draw or unforseen consequences. Now follows a long part on the opening, mentioned are Berger and Timbrel Pierce with 7.c4?!, A. G. Thomas in the 1909 BCM, a drawn game between Dr. J. F. L. Mc Cann - Dr. Allingham, correspondence match Lancashire-Surrey 1910 and again Berger's and Alapin's analysis 7.Bg5! (Berger) 7...Be7! (Alapin) 8.Bxe7 Qxe7 9.Nxd4 0-0! (Alapin) 10.Bxc6 bxc6 11.f3 c5 etc..>

7...Bd6 <! Prof. Dr. Bohl is credited with the evaluation of that move.>

8.Nxc6 <Reference to the postal game Hamilton-Brooke, Kent 1909.>

8...Bh2+ <!>

9.Kh1 <Discussion why 9.Kxh2 is bad and that the only alternative is 9.Kf1?! as in Maroczy vs J N Berger, 1908>.

9...Qh4 <!>

10.Rxe4+ <The exchange sacrifice is almost forced as 10.Nd4+ Kf8 and White can't parry all of Black's threats.>

13...Bf5 <They had followed Berlin-Riga so far. Alapin doesn't see how White should gain an advantage after 13...c6! 14.Bc4 f6 15.Nc3 Re8 16.Bf4 Be6 17.Rd1+ Ke7 18.Bxe6 Kxe6 19.Nxe4 Kf5 20.Nd6+ Kxf4 21.Nxe8 Rxe8 22.Rd7 Re2 and so on.> 19.Nxe4 is a mistake and 19.g4 better.

16.Be3 <Now follows an endgame correctly played by both players and in which it is not easy to realize the positional advantage of White.>

17.Bc5+ <!>

23.Ne3 <!>

25...Be6 <!>

36...f5 <!>

39.Bd2 <?>

39...h4+ <!>

44.Be1 <This final position was assessed by the arbitral court as a draw.>

Source: Pages 67-69 of the February-March 1912 'Wiener Schachzeitung'

As usual, Therkatz writes almost a whole book on the opening phase and then leaves the endgame basically unannotated. I skipped most of the 100-year old opening discussion.

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