30) white to move Kavalek vs J B Bednarski, 1972  (A96) Dutch, Classical Variation, 33 moves, 1-0 31) . . . . black to move Naiditsch vs Dao Thien Hai, 2008  (B90) Sicilian, Najdorf, 34 moves, 0-1 28) White to move . . P Haba vs P Nikolic, 2005  (C92) Ruy Lopez, Closed, 32 moves, 1-0 24) White to move O Korneev vs R Perez, 2000  (C42) Petrov Defense, 28 moves, 1-0 24) White to move Wan Yunguo vs S Abu Sufian, 2009  (B32) Sicilian, 29 moves, 1-0 23) White to move V Cmilyte vs E Boric, 2008  (A81) Dutch, 24 moves, 1-0 34) . . . . black to move N Delgado Ramirez vs L Dominguez, 2005  (B92) Sicilian, Najdorf, Opocensky Variation, 39 moves, 0-1 23) White to play J Klein vs B Marcussi, 1963  (B94) Sicilian, Najdorf, 26 moves, 1-0 30) White to play Mamedyarov vs A Timofeev, 2004  (D45) Queen's Gambit Declined Semi-Slav, 34 moves, 1-0 20) . . . . black to move K Haznedaroglu vs J Isaev, 2010  (C69) Ruy Lopez, Exchange, Gligoric Variation, 6.d4, 22 moves, 0-1 32) White to move A Luczak vs Fedorowicz, 1979  (A31) English, Symmetrical, Benoni Formation, 44 moves, 0-1 28) White to move Panno vs Spassky, 1955  (A07) King's Indian Attack, 33 moves, 1-0 22) White to play B Kovanova vs N Pogonina, 2010  (B50) Sicilian, 25 moves, 1-0 20) White to move I Balinov vs M Cebalo, 1996  (B45) Sicilian, Taimanov, 29 moves, 1-0 37) . . . Black to move Smyslov vs E Jimenez Zerquera, 1965  (A16) English, 59 moves, 0-1 21) White to move Keres vs V Petrov, 1940  (C32) King's Gambit Declined, Falkbeer Counter Gambit, 24 moves, 1-0 21) White to play Rossolimo vs P Reissmann, 1967  (C54) Giuoco Piano, 24 moves, 1-0 24) . . .. black to move G Brhlik vs F Berebora, 1995  (A07) King's Indian Attack, 27 moves, 0-1 21) white to move M Steadman vs B Thompson, 1995  (C78) Ruy Lopez, 25 moves, 1-0 21) White to move F J Sanchez Guirado vs Ponomariov, 1997  (B14) Caro-Kann, Panov-Botvinnik Attack, 31 moves, 1-0 22) . . . . Black to move Hsu Li Yang vs Nunn, 1992  (E66) King's Indian, Fianchetto, Yugoslav Panno, 27 moves, 0-1 21) White to move Van der Wiel vs Sax, 1983  (B76) Sicilian, Dragon, Yugoslav Attack, 26 moves, 1-0