14º Tema Táctico: El Bloqueo

El bloqueo en una posición se produce cuando nuestras piezas están limitando el accionar de alguna pieza contraría. En la siguiente posición veremos como las piezas blancas bloquean al rey negro privándole de toda posibilidad de moverse:

Juegan las blancas y tablas

Las Blancas juegan 1.Ced8!

El rey está completamente bloqueado y las negras no pueden dar jaque mate sólo con la dama!

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1986.??.??"] [Round "12"] [White "Ree, Hans"] [Black "Hort, Vlastimil"] [Result "1/2-1/2"] [ECO "A53"] [PlyCount "124"] [EventDate "1986.01.??"] [EventType "tourn"] [EventRounds "13"] [EventCountry "NED"] [EventCategory "12"] [SourceDate "2007.01.01"] 1. d4 d6 2. Nf3 Bg4 {Diagrama [#] Una Defensa un tanto irregular, las negras pretenden salir de los caminos trillados de la teoría de aperturas.} 3. c4 c6 4. Nc3 Nf6 5. e3 Nbd7 6. h3 Bh5 7. g4 Bg6 8. Nh4 {Diagrama [#] En sus últimas jugadas las blancas han ganado espacio en el flanco rey. Con su movimiento de caballo pretenden sacarle al negro la pareja de alfiles con Nxg6, ventaja estratégica que puede aprovecharse en el juego abierto.} e6 9. Nxg6 hxg6 10. d5 cxd5 11. cxd5 e5 12. g5 Nh7 13. f4 Be7 14. Bd2 Rc8 15. Qg4 Nb6 16. Rc1 { Diagrama [#] Las blancas tienen ventaja de espacio, lo cual restringe el juego de las piezas menores del segundo jugador.} O-O 17. h4 $36 {Diagrama [#] Amenazando un peligroso ataque por la columna h a través de la ruptura h4-h5.} exf4 18. exf4 f5 19. Qh3 Qe8 20. Bb5 $2 ({Después de} 20. Kf2 {las blancas mantenían una gran ventaja siguiendo con el plan de ataque a base de h4-h5.}) 20... Qf7 $2 ({Las negras desaprovechan su oportunidad, debieron jugar} 20... Rxc3 $1 21. bxc3 Qxb5 22. c4 (22. h5 $2 Qxd5 23. hxg6 Qe6+ $1 $17) 22... Qe8 { con ventaja.}) 21. h5 gxh5 22. Qxh5 g6 23. Qf3 a6 24. Bd3 Nc4 25. Bxc4 Rxc4 26. Kf2 {Diagrama [#] Las blancas mantienen la ventaja gracias a sus perspectivas en la columna h abierta.} Qg7 27. Rh3 Rfc8 28. Rch1 Nf8 29. R1h2 {Diagrama [#] Preparando la triplicación de las piezas pesadas con Qh1.} Bd8 $1 30. Qh1 Bb6+ 31. Kg3 Bd4 {Con este pasaje de alfil las negras logran defenderse.} 32. Nd1 Rc2 33. Qe1 b5 34. Rh8+ Kf7 $2 (34... Qxh8 $142 35. Rxh8+ Bxh8 $132) 35. R2h7 $1 $16 {Diagrama [#] Un golpe que da ventaja a las blancas. El caballo está sobrecargado, pues debe defender la entrada de la dama blanca en e6.} Qxh7 36. Rxh7+ Nxh7 37. Qe6+ Kg7 38. Bc3 R8xc3+ 39. bxc3 Bc5 40. Qe7+ Kg8 41. Qe6+ Kg7 42. a4 Nf8 43. Qe7+ Kg8 44. axb5 axb5 45. Qe1 Kf7 46. Ne3 Rb2 47. Qc1 Re2 { Diagrama [#] Las blancas tienen dama a cambio de torre y alfil, pero las negras están preparando una fortaleza.} 48. Ng2 Ra2 49. Kh2 Rf2 50. Qb1 Rf3 51. Qxb5 Rxc3 52. Qb2 Ra3 53. Nh4 Ra7 54. Qf6+ Ke8 55. Kg3 ({O} 55. Nxg6 Rf7 56. Qa1 (56. Qh8 $2 Rh7+) 56... Rh7+ 57. Kg3 Nxg6 $11) 55... Rf7 56. Qb2 Re7 57. Qf6 Rf7 58. Qh8 Rh7 59. Qg8 {Diagrama [#] Ahora las negras realizan un elegante sacrificio creando una posición inexpugnable.} Rxh4 $1 60. Kxh4 Bd4 $1 $11 {Diagrama [#] La dama blanca ha quedado completamente bloqueada, por lo tanto, no hay forma de forzar la partida.} 61. Kg3 Ke7 62. Kf3 Ba1 1/2-1/2

Táctica Bloqueo. Práctica.

Resuelve las siguientes 25 posiciones del tema táctico Bloqueo. 

Nivel 1: 1-8 posiciones

(pasas de nivel con 6 soluciones correctas)

Nivel 2: 9-16 posiciones  

(pasas de nivel con 6 soluciones correctas)

Nivel 3: 17-25 posiciones 

(pasas de nivel con 7 soluciones correctas)

VER SOLUCIONES

[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 1"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "k7/8/2N1NK2/8/8/3q4/8/8 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 2"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "8/4N2k/4pK2/5N2/8/8/8/1B3q2 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 3"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "8/4N1pk/8/6P1/8/K3p3/8/8 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 4"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "8/8/2pk4/5B2/p1p5/P1P5/pP6/3K4 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 5"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "8/8/2K4p/4N2k/2p4N/8/3P4/7q w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 6"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "qn1R4/p7/P7/8/3P4/4K3/8/4k3 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 7"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "8/8/8/4q2p/7k/2N2P2/6P1/7K w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 8"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "K5Nq/2k1P2N/2p5/8/1P6/8/8/8 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 9"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "8/8/4p1p1/1p1pk1P1/4P3/4K3/bP1P4/8 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 10"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "8/5K2/4N3/8/8/1P2p1N1/7k/2q5 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 11"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "8/8/8/6p1/6Bk/8/5PKP/4q3 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 12"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "5k2/3K3p/6rP/4P3/8/8/8/8 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 13"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "5k1B/5P2/8/6N1/8/8/2q5/7K w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 14"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "8/6R1/3K3p/7k/8/6P1/8/5q2 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 15"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "r7/4p3/7K/p4p1P/6pk/5Pp1/PB4P1/8 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 16"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "8/8/8/8/1B6/2R5/1pNP1p2/qk3Kb1 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 17"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "8/5K2/3p3k/6N1/4P2p/4B3/6P1/7q w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 18"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "3B1k2/P2p1p2/3P2pR/7p/7K/6P1/6PP/3q4 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 19"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "1N1B3k/qpP5/P3b3/1P6/8/1P6/1K6/8 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 20"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "8/8/3p4/8/8/1kB2N1p/4P2P/2K2q2 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 21"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "8/8/1k4B1/2n5/8/K7/P7/r7 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 22"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "3N1kn1/3K4/6r1/6P1/8/8/8/8 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 23"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "1b4k1/q1p2p2/p1P2Pp1/Pp1K2P1/1P6/6p1/6P1/4R3 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 24"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "5k1q/6p1/6P1/6P1/8/p7/p3R3/K7 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 25"] [Black "Juegan las blancas"] [Result "*"] [SetUp "1"] [FEN "6bb/5p1k/4pp2/5r2/5P1K/3Q4/7P/8 w - - 0 1"] [PlyCount "0"] [SourceDate "2007.01.01"] *

Táctica Bloqueo. Soluciones.

Aquí las 25 posiciones resueltas del tema táctico Bloqueo. 

Nivel 1: 1-8 posiciones

(pasas de nivel con 6 soluciones correctas)

Nivel 2: 9-16 posiciones  

(pasas de nivel con 6 soluciones correctas)

Nivel 3: 17-25 posiciones 

(pasas de nivel con 7 soluciones correctas)

[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 1"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "k7/8/2N1NK2/8/8/3q4/8/8 w - - 0 1"] [PlyCount "1"] [SourceDate "2007.01.01"] 1. Ned8 $11 {[%csl Ra7,Rb7,Rb8]} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 2"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "8/4N2k/4pK2/5N2/8/8/8/1B3q2 w - - 0 1"] [PlyCount "2"] [SourceDate "2007.01.01"] 1. Kxe6 Qxb1 $11 {[%csl Rg6,Rg7,Rg8,Rh6]} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 3"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "8/4N1pk/8/6P1/8/K3p3/8/8 w - - 0 1"] [PlyCount "7"] [SourceDate "2007.01.01"] 1. g6+ Kh8 (1... Kh6 2. Nf5+ Kxg6 3. Nxe3 $11) 2. Kb4 e2 3. Kc5 e1=Q 4. Kd6 $11 * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 4"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "8/8/2pk4/5B2/p1p5/P1P5/pP6/3K4 w - - 0 1"] [PlyCount "3"] [SourceDate "2007.01.01"] 1. Kc1 a1=Q+ 2. Bb1 $1 $11 {[%csl Ra1][%cal Gc1c2]} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 5"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "8/8/2K4p/4N2k/2p4N/8/3P4/7q w - - 0 1"] [PlyCount "1"] [SourceDate "2007.01.01"] 1. Nhf3 $11 {[%csl Rg4,Rg5,Rg6,Rh4]} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 6"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "qn1R4/p7/P7/8/3P4/4K3/8/4k3 w - - 0 1"] [PlyCount "1"] [SourceDate "2007.01.01"] 1. d5 $1 $11 {[%csl Ra8]} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 7"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "8/8/8/4q2p/7k/2N2P2/6P1/7K w - - 0 1"] [PlyCount "1"] [SourceDate "2007.01.01"] 1. Ne4 $11 {[%csl Rg3,Rg4,Rg5,Rh3]} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 8"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "K5Nq/2k1P2N/2p5/8/1P6/8/8/8 w - - 0 1"] [PlyCount "3"] [SourceDate "2007.01.01"] 1. e8=N+ $1 Kb6 2. Ngf6 $1 $11 {[%csl Yf8,Yg7,Yg8,Rh8]} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 9"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "8/8/4p1p1/1p1pk1P1/4P3/4K3/bP1P4/8 w - - 0 1"] [PlyCount "5"] [SourceDate "2007.01.01"] 1. d4+ Kd6 2. e5+ Kc6 3. b4 $11 {[%csl Ra2,Gb4,Gd4,Ge5,Gg5]} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 10"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "8/5K2/4N3/8/8/1P2p1N1/7k/2q5 w - - 0 1"] [PlyCount "3"] [SourceDate "2007.01.01"] 1. Ne2 Qb2 2. N6f4 $11 {[%csl Rg1,Rg2,Rg3,Rh3]} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 11"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "8/8/8/6p1/6Bk/8/5PKP/4q3 w - - 0 1"] [PlyCount "1"] [SourceDate "2007.01.01"] 1. h3 $11 {[%csl Rh4]} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 12"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "5k2/3K3p/6rP/4P3/8/8/8/8 w - - 0 1"] [PlyCount "7"] [SourceDate "2007.01.01"] 1. e6 Rg8 2. Kd8 Rh8 3. Kd7 Rg8 4. Kd8 $11 * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 13"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "5k1B/5P2/8/6N1/8/8/2q5/7K w - - 0 1"] [PlyCount "13"] [SourceDate "2007.01.01"] 1. Bf6 $1 Qf2 2. Bd8 Qg3 3. Bf6 Qf2 4. Bd8 $11 Kg7 5. Bf6+ Qxf6 6. f8=Q+ Kxf8 ( 6... Qxf8 7. Ne6+) 7. Nh7+ {Lazar} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 14"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "8/6R1/3K3p/7k/8/6P1/8/5q2 w - - 0 1"] [PlyCount "19"] [SourceDate "2007.01.01"] 1. Ke7 $1 $11 Qf3 2. Rg8 Qe4+ 3. Kf7 Qc4+ 4. Kf8 Qd5 5. Rg7 Qg5 6. Rxg5+ Kxg5 7. Kg7 h5 8. Kh7 Kf5 9. Kh6 Kg4 10. Kg6 $11 {Zakhodiakin} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 15"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "r7/4p3/7K/p4p1P/6pk/5Pp1/PB4P1/8 w - - 0 1"] [PlyCount "17"] [SourceDate "2007.01.01"] 1. Bf6+ $1 exf6 2. f4 Rh8+ (2... Rc8 3. Kg6 Rc2 4. h6 Rxg2 5. h7 Kh3 6. h8=R#) 3. Kg7 Rxh5 4. a4 $1 Rg5+ 5. Kh8 Rg6 6. Kh7 Kh5 7. Kh8 Rh6+ 8. Kg7 Rg6+ 9. Kh8 $11 {Smyslov} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 16"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "8/8/8/8/1B6/2R5/1pNP1p2/qk3Kb1 w - - 0 2"] [PlyCount "7"] [SourceDate "2007.01.01"] 2. Nxa1 bxa1=Q 3. Ba3 $1 Ka2+ (3... Qa2 $4 4. Rc1#) 4. Bc1 Kb1 (4... Qb1 $4 5. Ra3#) 5. Ba3 $11 {Kuznetsov} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 17"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "8/5K2/3p3k/6N1/4P2p/4B3/6P1/7q w - - 0 1"] [PlyCount "9"] [SourceDate "2007.01.01"] 1. Nh3+ Kh5 2. Bg1 Kh6 (2... Qxg2 3. Nf4+) (2... Kg4 3. Nf2+) 3. Be3+ Kh7 4. Ng5+ Kh6 (4... Kh8 $4 5. Bd4#) 5. Nh3+ $11 {Kuznetsov} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 18"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "3B1k2/P2p1p2/3P2pR/7p/7K/6P1/6PP/3q4 w - - 0 1"] [PlyCount "35"] [SourceDate "2007.01.01"] 1. h3 Qd4+ (1... Qxd6 2. a8=Q) 2. g4 Qxa7 3. Bf6 Qf2+ 4. Kg5 Qd2+ 5. Kh4 Qxh6 6. g5 Qh7 7. Kg3 h4+ 8. Kf2 Ke8 (8... Qh5 9. Ke1) 9. Ke3 Qh5 10. Kd2 Kf8 11. Ke1 Ke8 12. Kd2 Qh7 13. Ke3 Qg8 14. Kd4 Qf8 15. Ke5 Qg8 16. Kd4 Qh7 17. Ke3 Qh5 18. Kd2 $11 {Kasparian} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 19"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "1N1B3k/qpP5/P3b3/1P6/8/1P6/1K6/8 w - - 0 1"] [PlyCount "46"] [SourceDate "2007.01.01"] 1. c8=Q $1 Bxc8 2. b6 Qxb8 3. Bc7 Qa8 4. a7 Be6 5. Bb8 Kg7 6. Kc3 Kf6 7. b4 Ke7 8. Kd4 Kd7 9. Kc5 Bb3 10. Kb5 Ke6 (10... Kc8 11. Bh2 Kd7 12. Bb8) 11. Kc5 Kf5 12. Kd4 Bc2 13. Ke3 Kg4 14. Kf2 Kf5 15. Ke3 Ke6 16. Kd4 Bb3 17. Kc5 Kd7 18. Kb5 Bd5 19. Kc5 Bc4 20. Kxc4 Kc6 21. b5+ Kxb6 22. Kb4 $1 Qxa7 23. Bxa7+ Kxa7 $11 { Kasparian} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 20"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "8/8/3p4/8/8/1kB2N1p/4P2P/2K2q2 w - - 0 2"] [PlyCount "7"] [SourceDate "2007.01.01"] 2. Be1 Qg2 (2... Qxe2 3. Nd4+ $18) 3. Bg3 Qh1+ 4. Be1 Kc4 5. Kd2 $11 {Troitsky} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 21"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "8/8/1k4B1/2n5/8/K7/P7/r7 w - - 0 1"] [PlyCount "5"] [SourceDate "2007.01.01"] 1. Bb1 $1 Na4 (1... Rxb1 $11) 2. Bc2 Nc5 (2... Nc3 3. Kb2 Rxa2+ 4. Kxc3 $11) 3. Bb1 $1 $11 {Pachman} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 22"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "3N1kn1/3K4/6r1/6P1/8/8/8/8 w - - 0 1"] [PlyCount "9"] [SourceDate "2007.01.01"] 1. Ne6+ Kf7 2. Nd8+ Kg7 3. Ne6+ Kh8 4. Kd6 Kh7 5. Kd7 $11 {Badaj} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 23"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "1b4k1/q1p2p2/p1P2Pp1/Pp1K2P1/1P6/6p1/6P1/4R3 w - - 0 2"] [PlyCount "4"] [SourceDate "2007.01.01"] 2. Re8+ Kh7 3. Re3 $1 Qa8 $11 {Herbstman} (3... Qxe3 $11) * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 24"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "5k1q/6p1/6P1/6P1/8/p7/p3R3/K7 w - - 0 1"] [PlyCount "5"] [SourceDate "2007.01.01"] 1. Rh2 Qg8 (1... Qxh2 $11) (1... Kg8 2. Rxh8+ Kxh8 3. Kxa2 Kg8 4. Kxa3 Kf8 5. Kb4 Ke7 6. Kc4 Ke6 7. Kd4 Kf5 8. Ke3 Kxg5 9. Kf3 Kxg6 10. Kg4 $11) 2. Re2 $1 Qh8 (2... Qb3 3. Re8+ Kxe8 $11) 3. Rh2 $11 {Nadareishvili} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Bloqueo 25"] [Black "Solución"] [Result "*"] [SetUp "1"] [FEN "6bb/5p1k/4pp2/5r2/5P1K/3Q4/7P/8 w - - 0 1"] [PlyCount "13"] [SourceDate "2007.01.01"] 1. Qxf5+ exf5 2. Kh5 Kg7 3. h4 Kf8 4. Kh6 Bg7+ 5. Kh5 Bh8 6. Kh6 Ke7 7. h5 $11 {Yakimchik} *