martes, 7 de abril de 2020

30 EJERCICIOS PARA ENTRENAR O ESTUDIAR PARA SUSCRIPTORES

Games
[Event "Wroclav"] [Site "?"] [Date "1979.??.??"] [Round "?"] [White "Gliksman"] [Black "Popovic"] [Result "0-1"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "r4knr/pp2pp1p/1q1p2pb/2pP4/Q2nP1b1/2P3P1/PP1N1P1P/R1B1KBNR b KQ - 0 1"] [PlyCount "1"] [EventDate "1979.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 64]} 1... Qa5 $3 {Mate attack} (1... Qa5 2. Bb5 Qxb5 3. Qxb5 Nxb5 $19) 0-1 [Event "Omsk"] [Site "?"] [Date "1973.??.??"] [Round "?"] [White "Cseshkovsky"] [Black "Korensky"] [Result "1-0"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "4r1k1/ppr2R1p/4p1pB/2qbn3/2B3Q1/8/PPP3PP/2K2R2 w - - 0 1"] [PlyCount "5"] [EventDate "1973.??.??"] [EventType "game"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 64]} 1. Qd4 $1 {Clearance: f7} Bxc4 (1... Qxd4 2. Rf8+ {Mate attack Clearance}) (1... Z0 $140 2. Qxe5 {Wins material}) 2. Qxc5 Rxf7 (2... Rxc5 $4 { has the one big disadvantage in 2} 3. Rf8+ Rxf8 4. Rxf8#) 3. Re1 (3. Re1 Ng4 4. Qxc4 Nxh6 5. Rxe6 Rxe6 6. Qxe6 $18) (3. Qxe5 $6 {is clearly worse} Rxf1+ 4. Kd2 Rf7 $16) 1-0 [Event "Venice"] [Site "?"] [Date "1950.??.??"] [Round "?"] [White "Paoli"] [Black "Smyslov"] [Result "0-1"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "2r2rk1/1p3pp1/4n3/1P1Rn1q1/4P2p/7P/2P2QN1/R4BK1 b - - 0 32"] [PlyCount "5"] [EventDate "1950.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 8256]} 32... Rxc2 $3 {the final blow.} 33. Qxc2 (33. Qxc2 Nf3+ 34. Kf2 ( 34. Kh1 Qg3 {Mate attack}) 34... Qg3+ 35. Ke2 (35. Ke3 Nfd4+ {Combination}) 35... Ned4+ {Decoy Double attack}) (33. Z0 $140 Rxf2 {Wins material}) 33... Nf3+ 34. Kf2 Qg3+ (34... Qg3+ 35. Ke2 Nfd4+ 36. Kd1 Nxc2 $19) 0-1 [Event "London"] [Site "?"] [Date "1946.??.??"] [Round "?"] [White "Abrahams"] [Black "Winter"] [Result "1-0"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "4r3/pp6/3P2n1/3Q1bk1/4r3/2P5/P1P2PP1/5K1R w - - 0 1"] [PlyCount "7"] [EventDate "1946.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 64]} 1. Rh5+ $1 {surprise!} Kxh5 2. Qxf5+ Kh6 3. Qxe4 $3 {a decisive sacrifice that breaks all resistance} Rxe4 (3... Rxe4 4. d7 {Promotion Passed pawn}) (3... Z0 $140 4. Qxe8 {Wins material}) 4. d7 1-0 [Event "URSS ch women"] [Site "Tbilisi"] [Date "1979.??.??"] [Round "?"] [White "Levitina"] [Black "Gaprindashvili"] [Result "1-0"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "2r3r1/2N2pkp/3Q4/1N2p1b1/1p6/3P1qPb/PPR2P1P/4R1K1 w - - 0 30"] [PlyCount "2"] [EventDate "1979.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 8192]} 30. Qc6 (30. Qxe5+ {otherwise it's curtains at once} Bf6 31. Qd5 Qxd5 32. Nxd5 Rxc2 33. Nf4 $19) 30... Qf5 1-0 [Event "Ch URSS-28 Moscow"] [Site "?"] [Date "1961.??.??"] [Round "?"] [White "Zaitsev, I."] [Black "Spassky"] [Result "1-0"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "1n3rk1/r4p1p/p5p1/2p4P/1p2q3/1QB1P3/PP3P2/2KR2R1 w - - 0 1"] [PlyCount "5"] [EventDate "1961.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 8256]} 1. hxg6 hxg6 2. Rd6 Kh7 (2... c4 {is still a small chance} 3. Qxb4 Rd7 $18) 3. Qc4 $3 {Mate attack} (3. Qc4 f5 4. Qf1 $18) 1-0 [Event "Moscow"] [Site "?"] [Date "1961.??.??"] [Round "?"] [White "Paramonov"] [Black "Shekhtman"] [Result "1-0"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "r1b2k1r/1pq1nppp/p7/2n1pN2/2BR2P1/6Q1/PPP4P/2K4R w - - 0 1"] [PlyCount "1"] [EventDate "1961.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 64]} 1. Qxe5 $3 {Mate attack. . . .} (1. Qxe5 Bxf5 2. Qxc7 $18) 1-0 [Event "Breslau"] [Site "?"] [Date "1865.??.??"] [Round "?"] [White "Zukertort"] [Black "Anderssen"] [Result "1-0"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "r1b1k2r/ppp1bppp/5q2/3p4/5B2/2PB1Q2/PPP2PPP/R3R1K1 w kq - 0 1"] [PlyCount "7"] [EventDate "1865.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 8256]} 1. Qxd5 $4 {Black king safety dropped. White lets it slip away.} (1. Qe3 $142 {and White gets the upper hand} Kf8 2. Bxc7 $18) 1... Qxf4 $14 { Black wins a piece} 2. Bb5+ Kf8 $4 {the position is going down the drain} (2... c6 $142 3. Bxc6+ $1 {Decoy: c6} bxc6 4. Qxc6+ Kf8 5. Qxa8 Qc7 $14) 3. Qd8+ $3 { Deflection: e7} Bxd8 (3... Bxd8 4. Re8# {Mate attack Deflection}) 4. Re8# 1-0 [Event "Banja Luka"] [Site "?"] [Date "1976.??.??"] [Round "?"] [White "Romanishin"] [Black "Plaskett"] [Result "1-0"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "r2q1rk1/pb1pppb1/1pn2npp/8/2P4Q/1P3NP1/PB2PPBP/RN3RK1 w - - 0 1"] [PlyCount "7"] [EventDate "1976.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 8256]} 1. Rd1 g5 2. Nxg5 hxg5 3. Qxg5 {last book move} e6 $4 {throws away a nice position} (3... d6 $142 $15 {was much better}) 4. Rxd7 $3 $18 { Decoy: h7. . .} (4. Rxd7 e5 5. Rxd8 Rfxd8 6. Nc3 $18) 1-0 [Event "Stockholm"] [Site "?"] [Date "1937.??.??"] [Round "?"] [White "Stahlberg"] [Black "Lundin"] [Result "1-0"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "8/pp1r2kp/2pqp1p1/P7/4P3/1Q4P1/1P3PKP/4R3 w - - 0 1"] [PlyCount "3"] [EventDate "1937.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 8192]} 1. Qc3+ Qd4 $4 (1... e5 $142 $11 {would hold out}) 2. Rd1 $18 (2. Rd1 e5 3. Rxd4 exd4 4. Qc4 $18) 1-0 [Event "GBR BCF ch"] [Site "Bristol"] [Date "1968.??.??"] [Round "?"] [White "Stephenson"] [Black "Penrose"] [Result "*"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "1r4k1/1q1r1p1p/4pbp1/2R5/1P6/2P1BP2/R3Q1KP/8 b - - 0 32"] [PlyCount "2"] [EventDate "1968.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 8192]} 32... Rc8 $4 {overlooking an easy win} (32... h5 $142 $11 { the rescuing straw}) 33. Rc2 * [Event "Budapest"] [Site "?"] [Date "1962.??.??"] [Round "?"] [White "Uhlmann"] [Black "Delly"] [Result "0-1"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "4r2k/p1p2rpp/1p3n2/6R1/2P2P2/PP1Q1P1q/1B5P/6RK w - - 0 1"] [PlyCount "6"] [EventDate "1962.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 8256]} 1. Rxg7 $4 {a weak move, ruining a winning position.} (1. Be5 $142 $16) 1... Rxg7 $19 2. Bxf6 (2. Rxg7 {the only chance to get some counterplay} Kxg7 3. Qd1 $19) 2... Qg2+ $3 {Mate attack} 3. Rxg2 (3. Rxg2 Re1+ {Mate attack}) 3... Re1+ (3... Re1+ 4. Qf1 Rxf1+ 5. Rg1 Rfxg1#) 0-1 [Event "?"] [Site "?"] [Date "1980.??.??"] [Round "?"] [White "Example"] [Black "?"] [Result "*"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "rnbqk2r/pppp1ppp/6n1/2b2P2/2P1P3/5N2/PP4PP/RNBQKBNR b KQkq - 0 1"] [PlyCount "10"] [EventDate "1980.??.??"] [EventType "game"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 8192]} 1... Ne5 (1... Ne7 $18 {no good, but what else?}) 2. Nxe5 Qh4+ 3. g3 Qxe4+ 4. Qe2 Qxh1 (4... Qxe2+ {is one last hope} 5. Nxe2 d6 $18) 5. Ng6+ Kd8 6. Nxh8 * [Event "Vrnjacka Banja"] [Site "?"] [Date "1966.??.??"] [Round "?"] [White "Minic"] [Black "Honfi"] [Result "1-0"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "r2r2k1/2q2ppp/8/pp1RP3/8/1pP1Q3/1P3PPP/3R2K1 w - - 0 23"] [PlyCount "1"] [EventDate "1966.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 64]} 23. Qa7 $3 {Clearance: d5} (23. Qa7 h6 24. Qxc7 Rxd5 25. Rxd5 $18) 1-0 [Event "Moscow"] [Site "?"] [Date "1975.??.??"] [Round "?"] [White "Belenky"] [Black "Pirogov"] [Result "0-1"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "3rr1k1/1bp2ppp/p7/1p1q4/3P1B2/2P3P1/PP5K/RN1Q2R1 b - - 0 1"] [PlyCount "5"] [EventDate "1975.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 8256]} 1... Re1 $3 {Mate attack} 2. Qg4 (2. Qxe1 Qh5# {Mate attack}) (2. Rxe1 Qg2# {Mate attack}) (2. Z0 $140 Rxg1 {Mate threat}) 2... Qh1+ $3 { Deflection: g1} 3. Rxh1 (3. Rxh1 Rxh1# {Mate attack Deflection Pinning}) 3... Rxh1# 0-1 [Event "Kapfenberg"] [Site "?"] [Date "1976.??.??"] [Round "?"] [White "Kochiyev"] [Black "Maric"] [Result "1-0"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "6k1/1qrRb1pp/1p2Pn2/5p2/1P6/PQ2P1P1/1B3P1P/6K1 w - - 0 30"] [PlyCount "1"] [EventDate "1976.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 64]} 30. Rd8+ $3 {Mate attack} (30. Rd8+ Bxd8 31. e7+ Rc4 32. Qxc4+ Qd5 33. Qxd5+ Kh8 34. exd8=Q+ Ne8 35. Qxe8#) 1-0 [Event "Sverdlovsk"] [Site "?"] [Date "1976.??.??"] [Round "?"] [White "Ponomarev"] [Black "Demidov"] [Result "1-0"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "3rk1r1/pQ1nbpBp/2B1p3/5b2/8/1R4P1/P2NqP1P/6K1 w - - 0 1"] [PlyCount "5"] [EventDate "1976.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] 1. Qxd7+ Rxd7 2. Rb8+ Bd8 3. Bf6 (3. Bf6 Qd1+ 4. Nf1 $19) 1-0 [Event "Budapest"] [Site "?"] [Date "1978.??.??"] [Round "?"] [White "Cell"] [Black "Orso"] [Result "0-1"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "r3r1k1/1p3ppp/p2b1n2/8/3P2B1/4BQ1P/PP3Pq1/R3K2R b KQ - 0 1"] [PlyCount "1"] [EventDate "1978.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 64]} 1... Rxe3+ $1 {Deflection: f2} (1... Rxe3+ 2. Qxe3 Qxh1+ 3. Ke2 Qxa1 $19) 0-1 [Event "corr"] [Site "?"] [Date "1950.??.??"] [Round "?"] [White "Lowens"] [Black "Stafford"] [Result "0-1"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "r1bqkb1r/ppp2ppp/2p5/4P3/4n3/8/PPPP1PPP/RNBQKB1R w KQkq - 0 1"] [PlyCount "2"] [EventDate "1950.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] 1. d3 {last book move} Bc5 (1... Bc5 2. Be3 Bxe3 3. fxe3 Qh4+ 4. g3 Nxg3 5. hxg3 Qxh1 $19) 0-1 [Event "Moscow"] [Site "?"] [Date "1969.??.??"] [Round "?"] [White "Paly"] [Black "Merkulov"] [Result "0-1"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "4r1k1/pp2rpp1/2n2q1p/3p4/6b1/2P2N2/P1PQ1PPP/1R1B1RK1 w - - 0 1"] [PlyCount "4"] [EventDate "1969.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 8256]} 1. Re1 $4 (1. Rb5 $142 $15 {was necessary}) 1... Rxe1+ $19 2. Nxe1 (2. Qxe1 {there is nothing else anyway} Rxe1+ 3. Nxe1 Bxd1 4. Rxd1 Qxc3 5. g3 $19) 2... Qf4 $5 {Mate attack} (2... Qf4 3. Bxg4 Qxd2 $19 (3... Qxg4 $6 4. Qxd5 Re5 5. Qb3 $11)) 0-1 [Event "Marjanske Lazne"] [Site "?"] [Date "1952.??.??"] [Round "?"] [White "Balanel"] [Black "Pytliakovsky"] [Result "0-1"] [Annotator "Stockfish 6 64 (10s)"] [SetUp "1"] [FEN "2r2rk1/5ppp/p3b3/1p1p2q1/1Pn1n3/PN2P3/1B2BPPP/Q2R1RK1 w - - 0 1"] [PlyCount "10"] [EventDate "1952.??.??"] [SourceTitle "Chess Practics"] [Source "Neishtadt"] {[%mdl 8256]} 1. Bd4 (1. Kh1 $142 $5 $15 {looks like a viable alternative}) 1... Bh3 $17 2. Bf3 Rc6 3. Kh1 $4 {a blunder in a bad position} (3. Qa2 $142 Rg6 4. g3 $19) 3... Rg6 4. gxh3 (4. g3 {hoping against hope} Qf5 5. Bxe4 dxe4 6. f3 exf3 7. Rf2 Bg2+ 8. Rxg2 fxg2+ 9. Kg1 $19) 4... Qg1+ $3 {Mate attack} 5. Rxg1 (5. Rxg1 Nxf2# {Mate attack}) 5... Nxf2# 0-1

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