Этюды декабря 2017

[Event "2 prize, Timman-65 JT"] [Site ""] [Date "2017"] [Round ""] [White "Юрий Базлов"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "4k2b/4p3/6R1/7K/5r2/4Q2B/7q/8 w - - 0 1"] [PlyCount "17"]  1. Qe6 $1 ({After alternatives Black can defend successfully:} 1. Qd3 $2 Re4 2.  Qb5+ Kf7 3. Qd5+ (3. Qf5+ Bf6 4. Qd5+ e6 5. Qd7+ Be7 $11) 3... e6 4. Qd7+ Kf8  5. Qd8+ Kf7 6. Qg8+ Ke7 7. Rxe6+ Rxe6 8. Qxe6+ Kf8 $11) 1... Rf8 2. Qd7+ ({  The alternative} 2. Qc6+ Kf7 3. Qc4+ Ke8 4. Qc8+ Kf7 5. Qf5+ Ke8 6. Qd7+ {  is a waste of time}) 2... Kf7 3. Kh6 $1 Qf4+ {  Black must give checks, otherwise he will succumb quickly:} (3... Be5 4. Rf6+  Bxf6 5. Qd5+ Ke8 6. Qb5+ Kf7 7. Qh5+ $18) (3... Qh1 4. Qf5+ Ke8 5. Qb5+ Kf7 6.  Rf6+ Kxf6 7. Qf5#) 4. Kh7 Qh4+ 5. Rh6 Qe4+ 6. Bf5 Bd4 $1 ({  The point of Black's counterplay: he threatens mate in one. The alternative}  6... Bg7 {was insufficient because of} 7. Qe6+ Qxe6 8. Bxe6+ Ke8 9. Kxg7 $18)  7. Rf6+ $3 {The main purposes of this absolutely brilliant rook sacrifice is  to create a self-block of the bK. But it also interferes the diagonal for the  bB.} Bxf6 {This queen sacrifice is known from Kasantsev.} ({If} 7... Kxf6 {  then simply} 8. Bxe4 $18 {Bxe4 as there is no mate on h8 anymore.}) 8. Qe6+ $1  Qxe6 9. Bg6# {A model mate with three self-blocks that were created during the  course of play. This is a typical example of Bazlov's craftmanship when it  comes to studies that end with a mate. All pieces were involved in the  interesting struggle in which Black managed to create counterplay. The wK that  inadvertently moved up, assisted in the final mate.} 1-0

[Event "1 prize, Timman-65 JT"] [Site ""] [Date "2017"] [Round ""] [White "D.Gurgenidze, M.Minski, S.Nielsen"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/1B2NR2/3p3p/7k/q7/n4P2/8/6K1 w - - 0 1"] [PlyCount "17"]  1. Kg2 $1 ({A quiet move as key. White takes away future squares for the bK  and threatens mate. Insufficient was} 1. Kh2 $2 Qh4+ 2. Kg2 Qg5+ 3. Kh3 Qh4+ 4.  Kg2 Qg5+ $11) 1... Qe8 $1 ({  The only defence. Black has to protect square g6. If} 1... Qc4 {rhen} 2. Rf5+  Kh4 3. Ng6#) 2. Bd5 {  Protecting the rook and keeping up the pressure against the bK.} Nc2 3. Kh3 $1  ({Again a quiet king move. Insufficient were} 3. Rf5+ $2 Kh4 4. Rf4+ Kg5 $11) (  3. Kg3 $2 Nd4 $1 $11) (3. f4 $2 Kh4 $1 $11) 3... Ne3 ({  Black has to bring his knight closer to the battlefield. If} 3... Nd4 {then} 4.  f4 Qd7+ 5. Rf5+ $1 ({but avoiding} 5. Nf5 $2 Qb5 $1 6. Rf6 Qf1+ 7. Bg2 Qxf4 $11  ) 5... Qxf5+ 6. Nxf5 Nxf5 7. Bf7#) 4. f4 {Taking another square from the bK.}  Qd7+ ({Not} 4... Nxd5 5. Rf5#) 5. Nf5 $1 ({Only this way! If} 5. Rf5+ $2 Qxf5+  6. Nxf5 Nxd5 $1 $11 ({but of course not} 6... Nxf5 $2 7. Bf7#)) 5... Qc8 $1 ({  Keeping the knight in the pin. If} 5... Qb5 6. Nxe3 Qe2 7. Re7 $18) 6. Rf6 $1 {  Threatening mate.} Qxf5+ (6... Nxf5 {Otherwise it is mate in one:} 7. Bf7# {  /Bf3#}) 7. Rxf5+ Kg6 $1 8. Rh5 $3 (8. Rf8 $2 {  An incredible denouement. Nothing is offered by} Nxd5 $11) 8... Kxh5 9. Bf7# {  Model mate by the bishop. An impressive study. In a game-like position White  improves his position gradually with little moves. He keeps on taking squares  from the bK, thus weaving a mating net.} 1-0

[Event "3-4 prize, Timman-65 JT"] [Site ""] [Date "2017"] [Round ""] [White "Олег Перваков"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/8/q2b4/p1n5/p7/Nk6/1P1K2B1/Q7 w - - 0 1"] [PlyCount "9"]  1. Nb5 $1 ({This starts off with a surprising knight sacrifice, paving the way  for the wQ. Checks are not good:} 1. Bd5+ $2 Kb4 2. Qe1 (2. Nc2+ Kb5 3. Qf1+  Kb6 $11) 2... Nb3+ $1 3. Ke3+ Kc5 4. Ke4 Kb6 $11) (1. Qd1+ $2 Kxb2 $1 $19) 1...  Ne4+ $1 ({Main:} 1... Kb4 $1 {Trying to flee with the king.} 2. Kc2 $1 ({  but not} 2. Qa3+ $2 Kxb5 3. Bf1+ Kb6 $1 4. Bxa6 Ne4+) (2. Kd1 $2 Qc8 $1 3. Nxd6  Qg4+ $11) 2... Qc8 $1 3. Nxd6 Nb3+ 4. Nxc8 Nxa1+ 5. Kb1 Nb3 6. Nb6 {(e7)} a3 7.  Nd5+ Ka4 8. Nc3+ Kb4 9. Na2+ $1 Ka4 10. Bc6# {Very thematic!}) (1... Bf4+ 2.  Kd1 $1 Qf6 3. Qa3+ Kc4 4. Bf1+ Kd5 5. Nc3+ Kd4 (5... Kc6 6. Bb5+ Kb6 7. Nd5+  $18) 6. Ne2+ Kd5 (6... Ke4 7. Bg2+ $18) 7. Qf3+ Ke5 8. Qc3+ $18) 2. Bxe4 {  White in turn had to accept the countersacrifice.} Bb4+ $1 ({  A necessary zwischenschach. If} 2... Qxb5 {then} 3. Bc2+ Kb4 4. Qa3+ Kc4 5.  Bd3+ $18) 3. Kc1 $1 ({  Also in this study the wK is going to assist in the mating net. Not} 3. Nc3 $2  Bxc3+ 4. bxc3 Qh6+ $11 {or}) (3. Kd1 $2 Qxb5 $11) 3... Qxb5 ({After} 3... Qh6+  4. Kb1 $18 {wins on the spot.}) 4. Qxa4+ $3 Kxa4 ({Main} 4... Qxa4 5. Bd5#) (  4... Kc4 5. Bd3+ $1 $18) 5. Bc2# {There are two self-blocks of the bK, one caused by the  beautiful knight sacrifice. Everything works very harmonically in this study.}  1-0

[Event "3-4 hm, Timman-65 JT"] [Site ""] [Date "2017"] [Round ""] [White "Сергей Дидух"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "n7/pk1P3p/4N1pP/3p2P1/6p1/3P2Pp/RB5K/1q6 w - - 0 1"] [PlyCount "17"]  1. Nd8+ $1 {It is curious that White puts his  knight in front of the passed pawn.} ({White couldn't promote immediately:} 1.  d8=Q $2 Qc2+ {mates.}) (1. d8=N+ $2 Kc8 $19) 1... Kc7 ({If} 1... Kb6 {  the bK is caught in a mating net:} 2. Bd4+ Kc7 3. Rxa7+ Kd6 4. Nf7+ Ke6 5.  d8=N+ Kf5 6. Nd6+ {and mate in 3.}) 2. Rxa7+ Kd6 (2... Kxd8 3. Bf6# {  mate by bishop.}) 3. Ba3+ Ke5 4. Nc6+ Kf5 5. Nd4+ Ke5 6. Rb7 $1 {  A beautiful rook sacrifice. The alternative} (6. Nf3+ {  was tempting, but Black doesn't have to take the knight:} Kf5 7. Nh4+ Ke5 8.  d8=Q Qc2+ 9. Kg1 Qd1+ $11 {with perpetual check.}) 6... Nb6 ({Main:} 6... Qxb7  7. d8=N $1 (7. Nf3+ $2 gxf3 8. d8=Q Kd4 9. Qf6+ Kxd3 $11) (7. d8=Q $2 Kxd4  $11) 7... Qb1 (7... Kxd4 8. Nxb7 Kxd3 9. Nc5+ $18) 8. N8c6# {  mate by promoted knight.}) 7. Rxb6 Qxb6 {  Now Black is forced to take the knight.} 8. d8=B $1 {If} (8. d8=Q $2 Qb2+ $1 9. Bxb2 {  stalemate}) 8... Qb1 ({There is no fortress after} 8... Kxd4 9. Bxb6+ Kxd3  10. Bac5 Ke2 11. Kh1 {The white king gets out of the  prison by putting his bishops on h2 and f2, then the black king is again mated  by a bishop in the h8-corner after Kf6-f7 mate.}) ({If} 8... Qxd8 {then} 9.  Nc6+ $18) 9. Bf6# {Another model mate on f6, now by a promoted bishop. In the 2 main lines the underpromoted pieces deliver mate.} 1-0

[Event "М.Дворецкий-70, 1 приз"] [Site ""] [Date "2017"] [Round ""] [White "Николай Рябинин"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "3N1K1k/q6B/6P1/2r5/4PR2/8/3pp1P1/3N4 w - - 0 1"] [PlyCount "27"]  1. Rf7 Qa1 2. Nb2 $3 ({Logical try} 2. g7+ $2 Qxg7+ 3. Rxg7 Rc8 $1 4. Bf5 Rxd8+  5. Kf7 Rd7+ 6. Bxd7 exd1=Q 7. Rg8+ Kh7 8. Bf5+ Kh6 9. Rg6+ Kh5 10. Bg4+ Qxg4  $19) (2. Bg8 $2 Rc7 $1 3. Rxc7 Qa3+ 4. Re7 Qxe7+ 5. Kxe7 Kxg8 $19) ({  Logical try} 2. Nc3 $2 Qxc3 3. e5 $5 Qg3 $1 4. g7+ Qxg7+ 5. Rxg7 Rc7 $1 6. Rxc7  d1=Q 7. Bd3 Qxd3 8. Nf7+ Kh7 $19 {9.Ne5+}) 2... Qxb2 (2... Rg5 3. Re7 $1 Qa8 4.  Re8 Qxd8 5. Rxd8 d1=Q 6. Nxd1 Rxg6 $1 7. Bxg6 exd1=Q 8. Ke7+ $1 $18) 3. e5 $3 (  {Logical try} 3. g7+ $2 Qxg7+ 4. Rxg7 Rc7 $3 (4... Rc8 $2 5. Bf5 Rxd8+ 6. Kf7  Rd7+ 7. Bxd7 d1=Q 8. Rg8+ Kh7 9. Bf5+ Kh6 10. Rg6+ Kh5 11. Bg4+ Kh4 12. g3+ $1  Kxg3 13. Bxe2+ $18) 5. Rxc7 d1=Q $19 {6.Bd3}) 3... Qxe5 4. g7+ Qxg7+ 5. Rxg7 {  Main A} Rc8 $1 ({Main B} 5... Rc7 $1 6. Rxc7 d1=Q (6... e1=Q 7. Bc2 $18) 7. Bd3  $1 {no pawn e4!} Qxd3 8. Nf7+ Kh7 9. Ne5+ $1 {no pawn e5!} Kh8 $5 10. Nxd3 e1=Q  11. Rh7+ $1 Kxh7 12. Nxe1 $18) 6. Bf5 $1 Rxd8+ 7. Kf7 Rd7+ 8. Bxd7 d1=Q ({Main  } 8... e1=Q 9. Rg8+ Kh7 10. Bf5+ Kh6 11. g4 $1 Qe8+ $1 (11... Qe6+ 12. Bxe6 $1  d1=Q 13. Rg6+ Kh7 14. Rg5 $1 Qf3+ 15. Bf5+ $18) 12. Kxe8 $1 d1=Q 13. Rg6+ Kh7  14. Rd6+ $1 $18) 9. Rg8+ Kh7 10. Bf5+ Kh6 11. Rg6+ Kh5 12. Bg4+ {pawn on e2!}  Kh4 13. g3+ $1 Kxg3 14. Bxe2+ $1 $18 1-0

Лучший этюд декабря 2017

Николай Рябинин 63%, 5 голосов

5 голосов 63%

5 голосов - 63% of all votes
Сергей Дидух 38%, 3 голоса

3 голоса 38%

3 голоса - 38% of all votes
Юрий Базлов 0%, 0 голосов

0 голосов

0 голосов - 0% of all votes
Д.Гургенидзе, M.Minski, S.Nielsen 0%, 0 голосов

0 голосов

0 голосов - 0% of all votes
Олег Перваков 0%, 0 голосов

0 голосов

0 голосов - 0% of all votes
Александр Жуков 0%, 0 голосов

0 голосов

0 голосов - 0% of all votes

Всего голосов: 8

25.12.2017 - 01.01.2018

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