www.arves.org - Maroc Echecs Ty 2015

Studies awarded for the Maroc Echecs tournament 2015.

[Event "5° Tournoi Maroc Echecs"] [Site ""] [Date "2015.12.16"] [Round ""] [White "Martin Minski (Germany)"] [Black "2° Mention d Honneur"] [Result "1-0"] [Annotator "Onkoud"] [SetUp "1"] [FEN "3B4/k7/4P3/3P4/p1B5/PR1RP2q/1pb4P/1N5K w - - 0 1"] [PlyCount "15"] [EventDate "2014"] [SourceDate "2015.01.01"] 
 {stalemate avoidance in the mainline A, mate avoidance (Berlin theme) in the mainline B} 1. Bb6+ $1 {mainline A:} (1. Kg1 $2 axb3 2. e7 Qg4+ $11) 1... Kb7 ( {mainline B:} 1... Ka8 2. e4 (2. Rd2 $2 axb3 3. e7 Be4+ {/Qh5=} 4. Kg1 Qg4+ 5. Kf1 Qh3+ 6. Ke1 Qh4+ 7. Rf2 Qxe7 $11) 2... Qf1+ 3. Bg1 axb3 (3... Qf4 4. Nd2 axb3 5. e7 Qe5 6. d6 Bxd3 7. Bxd3 $18) 4. e7 Qf7 (4... Bxd3 5. e8=Q+ $18) 5. d6 Bxd3 $1 6. Bd5+ $1 ({logical try:} 6. Bxf7 $2 Bxe4# {mate}) (6. Bxd3 $2 Qf3#) 6... Kb8 7. Ba7+ $1 Kxa7 8. Bxf7 Bxe4+ {only check} 9. Kg1 $18) 2. e4 Qf1+ ( 2... Bxd3 3. Rxd3 Qg4 4. Nc3 b1=Q+ 5. Nxb1 Qxe4+ 6. Kg1 Qxc4 7. e7 Qxd3 8. e8=Q Qxb1+ 9. Kg2 Qxb6 (9... Qa2+ 10. Bf2 $18) 10. Qc6+ Qxc6 11. dxc6+ $18) 3. Bg1+ axb3 4. Rxb3+ (4. e7 $2 Bxd3 5. e8=Q Qf3#) 4... Ka8 $1 5. Bxf1 (5. Rb8+ $2 Kxb8 6. Bxf1 Bxb1 7. e7 Bxe4+ 8. Bg2 Bg6 9. e8=Q+ (9. d6 Be8 10. Ba7+ Kxa7 11. Be4 Bc6 $1 12. Kg1 Bxe4 13. e8=Q b1=Q+ $11) 9... Bxe8 10. Be4 Bf7 11. Bd4 Bxd5 $1 12. Bxb2 Bxe4+ $11) 5... Bxe4+ 6. Rf3 $1 ({logical try:} 6. Bg2 $2 Bxg2+ 7. Kxg2 {stalemate}) 6... Bxf3+ 7. Bg2 Bxg2+ 8. Kxg2 $18 {no stalemate} 1-0

[Event "5° Tournoi Maroc Echecs"] [Site ""] [Date "2015.12.16"] [Round ""] [White "Pavel ARESTOV"] [Black "Recommandé"] [Result "1-0"] [Annotator "Onkoud"] [SetUp "1"] [FEN "K7/6kP/5R2/P3b3/n5b1/3R4/3p4/8 w - - 0 1"] [PlyCount "21"] [EventDate "2015"] [SourceDate "2015.01.01"] 
 1. Rf1 $1 (1. Rxd2 $2 Bxf6 2. Rg2 Kxh7 3. Rxg4 Nc5) 1... d1=Q 2. Rfxd1 $1 ({ Thematic try:} 2. Rdxd1 $2 Bxd1 3. Rg1+ Kh8 $3 (3... Kxh7 $2 4. Rxd1 $18 { zz, btm}) 4. Rxd1 Kxh7 {zz,wtm} 5. a6 (5. Rd5 Bc3 6. a6 Nb6+ 7. Kb7 Nxd5 8. a7 Nb6 $1 9. Kxb6 Bd4+ $11) (5. Rd7+ Kg6 $11) (5. Rh1+ Kg7 6. a6 Nc5 7. a7 Bd4 $11 ) 5... Nc5 6. a7 Bf4 {(c7)} 7. Rd5 Be3 {(Bb6)} 8. Kb8 Na6+ 9. Kb7 Bxa7 10. Kxa7 Nb4 $11) 2... Bxd1 3. Rd7+ $3 {main A} ({Try:} 3. Rxd1 $2 Kxh7 {zz,wtm} 4. a6 Nc5 5. a7 Bf4 6. Rd5 Be3 7. Kb8 Na6+ 8. Kb7 Bxa7 $11) 3... Kh8 ({main B} 3... Kg6 4. h8=N+ $3 (4. h8=Q $2 Bf3+ $19) (4. Rxd1 $2 Kxh7 {zz, wtm =}) (4. Rd6+ $2 Kg7 5. Rd7+ Kg6 {- pos. draw}) 4... Bxh8 (4... Kf5 5. Rxd1 Bxh8 6. a6 Nc5 7. a7 $18) 5. Rxd1 Nc5 (5... Bc3 6. a6 Nc5 7. a7 $18) 6. Rd5 $1 (6. Rd6+ $2 Kf7 $11) 6... Ne6 7. Kb7 $1 (7. a6 $2 Nc7+ 8. Kb7 Nxd5 9. a7 Nb6 $11) 7... Bd4 8. a6 (8. Rxd4 $2 Nxd4 9. a6 Nb5 10. Kb6 Nd6 11. a7 Nc8+ $11) 8... Bf2 (8... Bg1 9. Rd1 Bf2 10. Rd2 {- main line}) (8... Be3 9. Re5 $18) (8... Kf6 9. Rxd4 $18) 9. Rd2 Nc5+ $1 (9... Be3 10. Re2 $18) (9... Bg1 10. Rg2+ $18) (9... Bc5 10. Rb2 Bd4 11. Rb6 $1 Bxb6 12. Kxb6 $18) 10. Kc6 $1 Nxa6 11. Rxf2 Nb4+ 12. Kd6 $1 (12. Kc5 $2 Nd3+ $11) 12... Nd3 13. Rf3 $1 Ne1 14. Re3 Nc2 (14... Ng2 15. Rg3+ $18) 15. Re4 Kf5 16. Kd5 {win}) (3... Kh6 4. h8=Q+ $1 Bxh8 5. Rxd1 Nc5 6. Rh1+ Kg7 7. Rh5 $18) 4. Rd8+ $3 ({Try:} 4. Rxd1 $2 Kxh7 {zz,wtm}) 4... Kxh7 5. Rxd1 { zz, btm} Kg7 (5... Kg6 6. a6 Nc5 7. a7 Bc7 8. Rd5 Bb6 9. Rd6+ $18) (5... Bc3 6. a6 Nc5 7. a7 Be5 8. Rd5 $18) (5... Bc7 6. Rd7+ $18) (5... Bf4 6. Rd4 $18) (5... Bg3 6. Rh1+ Kg7 7. Rg1 $18) (5... Bh2 6. Rh1 $18) 6. a6 $1 (6. Rd5 $2 Bc3 7. a6 (7. Rd7+ Kf6 8. a6 Nb6+ 9. Kb7 Nxd7 10. a7 Nb6 11. Kxb6 Bd4+ $11) 7... Nb6+ 8. Kb7 Nxd5 9. a7 Nb6 10. Kxb6 Bd4+ $11) 6... Nc5 7. a7 Bf4 (7... Bc7 8. Rd7+ { - main line.}) (7... Bg3 8. Rg1 $18) (7... Bh2 8. Rd5 Bg1 9. Rg5+ $18) (7... Kf6 8. Rd5 $18) 8. Rd4 $1 (8. Rd5 $2 Be3 9. Kb8 Na6+ 10. Kb7 Bxa7 $11) 8... Bc7 (8... Be3 9. Kb8 Bxd4 10. a8=Q $18) 9. Rd7+ $3 Nxd7 10. Kb7 Nb6 (10... Bb6 11. a8=Q $18) 11. Kxc7 {win.} 1-0

[Event "5°  Maroc Echecs"] [Site ""] [Date "2015.12.20"] [Round ""] [White "Pallier Alain"] [Black "2°  Prix"] [Result "1/2-1/2"] [Annotator "Onkoud"] [SetUp "1"] [FEN "3b2q1/PR6/1p2p3/n4P1K/B7/5k2/4NP2/8 w - - 0 1"] [PlyCount "27"] 
 1. Rg7 $1 Qxg7 (1... Qh8+ 2. Kg6 $11) 2. a8=Q+ Nb7 (2... Kxe2 3. Qe4+ Kxf2 4. Qf4+ Kg1 5. Qc1+ Kh2 6. Qd2+ Qg2 (6... Kh3 7. Qd3+ Qg3 8. Qxd8 Qg4+ 9. Kh6 Qxf5 (9... exf5 10. Qd3+ Kh4 11. Qd8+ Kg3 12. Qxb6 Qxa4 13. Qe3+ Kg2 14. Qe2+ Kh3 15. Qe3+ Kg4 16. Qg5+ $11) (9... Qxa4 10. Qd3+ Kg4 11. f6 Qf4+ 12. Kg7 Qg5+ 13. Kf7 $11) (9... Qf4+ 10. Qg5 Qxf5 11. Qxf5+ exf5 12. Kg5 $11) 10. Qxb6 Qf4+ 11. Kg6 Qxa4 12. Qxe6+ $11) 7. Qxd8 Qf3+ 8. Kh6 Qh3+ 9. Kg7 Qg4+ 10. Kh6 Qh3+ 11. Kg7 exf5 12. Qxb6 $11) 3. Qxb7+ $1 (3. Bc6+ $2 Kxf2 $19 (3... Kxe2 $2 4. Qa2+ Ke1 5. Qb1+ $11)) 3... Qxb7 4. Bc6+ $1 Qxc6 5. Nd4+ Kxf2 6. Nxc6 exf5 7. Nxd8 f4 8. Kg4 (8. Nc6 $2 Kg3 $3 (8... Ke3 $2 9. Kg4 $11 (9. Kh4 $11)) (8... f3 9. Kg4 Ke3 10. Kh3) 9. Kg5 f3 10. Nd4 f2 11. Nf5+ Kf3 $19) (8. Ne6 $2 Ke3 9. Kg4 f3 10. Kg3 b5 11. Nf4 b4 12. Nd5+ Ke2 13. Nf4+ Kd2 14. Kxf3 b3 $19) 8... f3 9. Nc6 (9. Ne6 $2 Ke3 10. Kg3 b5 $1) (9. Nf7 $2 Ke3 10. Nh6 f2 11. Nf5+ Kd3 $19) 9... Ke3 10. Kh3 $3 (10. Kg3 $2 b5 $22 11. Ne5 (11. Kh2 Kf2 12. Nd4 b4 13. Kh3 Ke3 $19) 11... b4 12. Nxf3 b3 $19) 10... b5 11. Kg3 (11. Kh2 $2 Kf2 $19) 11... f2 (11... Ke2 12. Nd4+ $11) 12. Kg2 b4 13. Kf1 b3 14. Na5 (14. Ne5 $2 Kd4 $1 $19) 1/2-1/2

[Event " 5° Tournoi Maroc Echecs"] [Site ""] [Date "2015.12.20"] [Round ""] [White "Keith=D (FRA) Minski=M (GER)"] [Black "Mention d'Honneur spéciale"] [Result "1/2-1/2"] [Annotator "Onkoud"] [SetUp "1"] [FEN "2k1B3/8/1P5q/7P/7K/8/2b5/R6N w - - 0 1"] [PlyCount "24"] [EventDate "2014"] 
 1. Rf1 $1 Qd6 {/Qd2} (1... Qe6 2. Bb5 $1 Ba4 $1 (2... Qe4+ 3. Kh3 Bb3 4. Ba6+ Kd7 5. b7 $1 $11) 3. Ba6+ $1 Kd8 (3... Kb8 4. Ng3 $1 $11) 4. b7 $1 $11) (1... Bd3 2. Rf7 $1 $11 {KR} Bg6 3. Rc7+ Kd8 4. Bxg6 Qf4+ 5. Kh3 Qg3+ 6. Kxg3 { /Sxg3 stalemate for Black!}) (1... Qxb6 2. Bg6 $11) 2. Bg6 (2. Rf2 $2 Qe7+ 3. Kh3 Be4 4. Ng3 Qxe8 $19) 2... Qh2+ 3. Kg5 Qg2+ 4. Ng3 $1 Qxg3+ 5. Kh6 Bxg6 $1 ( 5... Bb3 6. Rf8+ Kb7 (6... Kd7 7. b7 $11) 7. Kg7 Kxb6 8. Rf6+ Kc5 9. h6 $11) ( 5... Qe3+ 6. Kg7 Qe5+ 7. Rf6 Kd7 8. b7 Ke7 9. b8=Q Qxb8 10. Rf7+ Ke6 11. Rf6+ Ke5 12. Bxc2 $11) 6. b7+ $1 {mainline A:} ({thematic try:} 6. Rf8+ $2 Be8 $1 7. Rxe8+ Kd7 $1 8. Rg8 $2 Qxg8 {no stalemate, compare with mainline A}) (6. hxg6 $2 Qh3+ $19) 6... Kb8 $1 ({mainline B:} 6... Kc7 $1 7. b8=Q+ {/B+!} (7. Rf8 $2 Be8 $1 8. b8=Q+ Kxb8 9. Rxe8+ Kc7 $1 $19) (7. hxg6 $2 Qh3+ $19) 7... Kxb8 8. Rb1+ $1 (8. Rf8+ $2 Be8 $1 9. Rxe8+ Kc7 $1 $19) (8. hxg6 $2 Qh3+ $19) 8... Bxb1 {stalemate} (8... Kc7 9. hxg6 $11)) 7. Rf8+ Be8 $1 (7... Kxb7 8. hxg6 $11) 8. Rxe8+ Kxb7 9. Rg8 $1 (9. Re7+ $2 Kc6 $1 $19) 9... Qd3 $1 (9... Qxg8 { model stalemate}) 10. Kg7 (10. Rg7+ $2 Kc6 $1 $19) 10... Qd7+ 11. Kg6 (11. Kf6 $2 Kc6 $1 12. h6 Qh7 $1 $19) (11. Kh6 $2 Kc6 $1 $19) 11... Qg4+ (11... Kc6 12. h6 $11) 12. Kh6 $1 Qxg8 {model stalemate} ({mainline C: AO} 12... Qf5 13. Rg7+ Kc8 14. Rg8+ Kd7 15. Rg7+ Ke8 16. Rg8+ Ke7 17. Rg7+ Kf8 18. Rg8+ $1 Kxg8 { stalemate}) 1/2-1/2