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Studies awarded in the Problemaz Magazine tournament 2008.
[Event "Prize, Problemaz, MT Mohamed H.Bahaoui "] [Site ""] [Date "2008"] [Round ""] [White "Sergiy Didukh, Abdelaziz Onkoud"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/1p2p3/kp6/3p4/1P1K3R/2pP4/p4N2/3B4 w - - 0 1"] [PlyCount "35"] [EventDate "2012.10.14"] [SourceDate "2012.10.14"] 1. b5+ Kxb5 2. Ba4+ Kxa4 3. Kxc3+ Ka3 4. Rh1 b5 5. d4 b4+ 6. Kd2 b3 7. Rh8 b2 8. Kc3 b1=N+ 9. Kc2 Nc3 10. Rh1 b5 11. Kxc3 b4+ 12. Kd2 b3 13. Rh8 b2 14. Kc3 b1=N+ 15. Kc2 Nc3 16. Rh1 Nb5 17. Rh3+ Ka4 18. Kb2 {#441: After an appropriate introduction the composers managed to double an idea by Onate d4h4 1963 (HhdbIV#33604).} 1-0
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[Event "2HM, Problemaz, MT Mohamed H.Bahaoui"] [Site ""] [Date "2008"] [Round ""] [White "Sergiy Didukh, Michail Croitor"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "3q4/8/2Rp4/3P4/1P2k1P1/p1B3Pp/N2KPP1b/8 w - - 0 1"] [PlyCount "19"] [EventDate "2008"] 1. Bf6 $1 Qxf6 2. Nc3+ Ke5 3. f4+ Qxf4+ 4. gxf4+ Bxf4+ 5. e3 Bxe3+ 6. Kd3 a2 ( 6... h2 {main} 7. Rc7 $3 ({thematic try} 7. Rc8 $2 h1=Q 8. Rf8 Qh7+) 7... h1=Q 8. Rf7 a2 9. Rf5#) 7. Rc8 $3 ({thematic try} 7. Rc7 $2 a1=Q 8. Rf7 Qa6+) 7... a1=Q 8. Rf8 Qa6+ 9. b5 Qb6 10. Rf5# {#442: The sacrificial introduction has too much captures, but after 6.Kd3 two very nice main lines develop in which the wR has to chose the right squares to encircle the bK for a mate at f5.} 1-0
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[Event "2 HM, Problemaz, MT Mohamed H.Bahaoui "] [Site ""] [Date "2008"] [Round ""] [White "Ilham Aliev (Azerbaijan)"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/8/1pp5/p4PP1/P4pp1/2KP4/2P2k2/8 w - - 0 1"] [PlyCount "37"] [EventDate "2007"] 1. g6 $1 (1. f6 $2 g3 2. f7 g2 3. f8=Q f3 4. Qd8 Kf1 5. Qxb6 f2) 1... g3 2. g7 g2 3. g8=Q f3 (3... g1=Q 4. Qxg1+ Kxg1 5. f6) 4. f6 $1 g1=Q (4... Kf1 5. f7) 5. Qxg1+ Kxg1 6. f7 f2 7. f8=Q f1=Q 8. Qxf1+ Kxf1 9. Kd2 $1 (9. d4 $2 Ke2) (9. Kd4 $2 Ke2) 9... Kf2 10. d4 Kf3 11. d5 $1 (11. Kd3 $2 Kf4 12. d5 Ke5 $1 13. dxc6 Kd6 $11) 11... cxd5 12. Kd3 Kf2 13. Kd4 Ke2 14. Kxd5 Kd2 15. Kc6 (15. c4 $2 Kc3 16. c5 bxc5 17. Kxc5 Kd3 18. Kb5 Kd4 19. Kxa5 Kc5 $11) 15... Kc3 16. Kb5 $1 ( 16. Kxb6 $2 Kb4 $11) 16... Kxc2 17. Kxb6 Kc3 18. Kxa5 Kc4 19. Kb6 {#346: After a double Queen-swap introduction, the study-like moves are 9.Kd2! and 11.d5!} 1-0
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[Event "1 comm, Problemaz, MT Mohamed H.Bahaoui"] [Site ""] [Date "2008"] [Round ""] [White "Ilham Aliev (Azerbaijan)"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/5P2/5P2/3p3p/7P/3p2PK/6p1/6k1 w - - 0 1"] [PlyCount "14"] [EventDate "2008"] 1. f8=Q Kh1 2. Qc5 g1=N+ $1 (2... g1=Q $2 3. Qxd5+) 3. Qxg1+ Kxg1 4. f7 d2 5. f8=Q d1=Q (5... d1=N $2 6. g4 Nf2+ 7. Kg3 $18) 6. Qf3 $1 (6. Qf4 $2 d4 $1 $19) 6... Qd2 ({Main} 6... Qxf3 {stalemate}) ({Main} 6... Qc2 7. Qe3+ Qf2 8. Qc1+ $1 (8. Qxf2+ $2 Kxf2 9. g4 d4 10. gxh5 d3 11. h6 d2 12. h7 d1=Q 13. h8=Q Qf3+ $19) 8... Qf1+ 9. Qxf1+ Kxf1 10. g4 d4 11. g5 $1 (11. gxh5 $2 d3 12. h6 d2 13. h7 d1=Q 14. h8=Q Qf3+ 15. Kh2 Qg2#) 11... d3 12. g6 d2 13. g7 d1=Q 14. g8=Q $11) 7. Qe3+ $1 (7. Qxh5 $2 Qg2+ 8. Kg4 Qe2+ 9. Kg5 Qxh5+ 10. Kxh5 d4 $19) 7... Qxe3 {stalemate} (7... Qf2 8. Qc1+ $1 Qf1+ 9. Qxf1+ Kxf1 10. g4 d4 11. g5 $1 $11 ( 11. gxh5 $2 d3 12. h6 d2 13. h7 d1=Q 14. h8=Q Qf3+ 15. Kh2 Qg2# {#345: (+)Tiny[ +] study with a stalemate (after 6...Qxf3) that surprisingly seems to be original.})) 1/2-1/2
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[Event "2 comm, Problemaz, MT Mohamed H.Bahaoui"] [Site ""] [Date "2008"] [Round ""] [White "Alain Pallier"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "1q6/1PR3p1/3p1pPk/b2PpP2/p6K/5r1p/1B2Pp1P/3N4 w - - 0 1"] [PlyCount "15"] [EventDate "2008"] 1. Bc1+ Rf4+ 2. Bxf4+ exf4 3. Nxf2 Be1 4. Rc8 Bxf2+ 5. Kg4 Ba7 6. Rc3 Be3 7. Rc8 Ba7 8. Rc3 {positional draw. #347: Curious and apparently original positional draw. The composer has worked with the same scheme earlier: Pallier g4h6 2006 (HhdbIV#73591).} 1/2-1/2
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[Event "3comm, Problemaz, MT Mohamed H.Bahaoui "] [Site ""] [Date "2008"] [Round ""] [White "Jean-Marc Loustau"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "7R/8/6b1/3k4/8/2K1b3/p7/8 w - - 0 1"] [PlyCount "33"] [EventDate "2008"] 1. Rd8+ Kc5 2. Kb2 Bf7 3. Ka1 Bf4 4. Rc8+ Kb4 5. Rc2 Be5+ 6. Rb2+ Kc3 7. Re2 Bh8 8. Rh2 (8. Rb2 $2 Bd4) 8... Bg7 9. Rg2 (9. Rh7 $2 Be5) 9... Bf6 10. Rf2 Be5 11. Re2 (11. Rf5 $2 Bh8) 11... Bd4 12. Re4 Bh8 13. Rh4 Bg7 14. Rg4 Bf6 15. Rf4 Be5 16. Re4 Bh8 17. Rh4 {#439: The author has made many studies with this material (there are 29 studies in my database), with the majority having hardly any study-like content, are auto-anticipated, or are exceedingly difficult to understand (which is not intended as a positive feature here). But in the present study, after move 8, there is a positional draw with the wR on two horizontals. It is easy to understand why certain rook moves are wrong.} 1/2-1/2
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