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The following represent a variety of positions from the 2005 African Individual Chess Championships (open and women's section). In the following diagrams, you're challenged to find the winning line. Each position ends with decisive material gain or mate. Solve each of the four problems (as deep as possible) and check your answers by scrolling below. No peeking!!
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Tshepiso Lopang - Carmen de Jager
White to Move (after 32…Qe8-h5 )
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IM Watu Kobese - IM Mohsen Elgabry
White to Move (after 38…Qh6-f8)
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FM Farai Mandizha - Daud Amini
Black to Move (after 32.Re1-c1)
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WIM Anzèl Laubscher - Linda Nangwale
Black to Move (after 32.Rf3-g3)
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Solutions
No. 1 Lopang - de Jager (2005 African Individual Chess Championships - women)
In this game, it appeared as if black had the kingside initiative out of the Dutch Defense. White launched a vicious counterattack and suddenly black was in full retreat. The Botswana Olympian surrounded the black kind and finished the game with the nice 33.Rxd7+! After 33…Rxd7 34.Qc6+ mates in one. (See game)
No. 2 Kobese - Elgabry (2005 African Individual Chess Championships - open)
Kobese had his way in this game and was fortunate enough to get a common sacrifice in the Sozin Attack. The 14.Bxe6! missile shattered black's position and exposed the king to the center of the board. Black tried to return the sacrifice, but was unable to stop the hammerblow 37.Rd6! opening all fronts to the naked king. After 37…Rxd6, black is routed after the zwischenzug 38.Qa7+! The Egyptian played 38…Bb7, but promptly resigned after 39.Nxd6. (See game; profile of Watu Kobese)
No. 3 Mandizha - Amini (2005 African Individual Chess Championships - open)
This game had two interesting moments between the two Zimbabweans. The main was the combination designed to promote the passed c-pawn. The barrage of action began with a temporary exchange sacrifice of 32…Rxc5! White queens with check after 33. dxc5 Bb2 34. c6 Bxc1 35. c7 Bb2! 36. c8=Q+, but the innocent 36…Kg7! 37. Qxf5 gxf5 38. Qxb5 c1=Q+ nets black a piece. Of course black had to foresee this position before playing his 32nd move. The second moment came when white was harassing the black king with a series of checks. Thirty moves after earning a piece, black decided enough was enough and ended the game by sacrificing the piece back with 67…Qxf2+! He then converted a technical K+P vs. K ending. Nice! (See game)
No. 4 Laubscher - Nangwale (2005 African Individual Chess Championships - women)
Linda Nangwale made a fashion statement at the 2002 Olympiad by wearing her hair in the colors of the Zambian national flag. In this game, she played a hypermodern, Alekhine-type strategy and battered away at the center. After sacking a meaningless pawn, she launched a kingside attack and in the diagrammed position, she played 32…Qh4! Clearing the e4-square for a powerful knight invasion. The South African could not defend with 33.Nc3 due to 33…Ne4+ (anyway) and after 34.Nxe4 fxe4+ settled matters. (See game; profile of Linda Nangwale)
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