SKEWER 16 ... Qg4+ makes White d1-queen loose and LPDO Leko vs Carlsen, 2007  (D12) Queen's Gambit Declined Slav, 28 moves, 1/2-1/2 PIN 19 Bc1-e3! Qb6-c6? makes Black c5-knight loose for free E Moser vs J Houska, 2007  (B12) Caro-Kann Defense, 37 moves, 1-0 SKEWER 53 Rh7-h6+ makes Black c6-knight loose and LPDO Ivanchuk vs Eljanov, 2007  (E15) Queen's Indian, 53 moves, 1-0 3 games