var extexts = new Array(
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"r4rk1/ppp2ppp/8/1N3P2/1P4n1/P2B2qP/1PQ2bP1/R2R3K w - - 0 1_10-50{Dxc7}_s23-30{hxg4}_e22-31{Dh4#}_s19-12{Le2}_e22-15{Dh2#}",
"r1bq1rk1/1pp1nppp/p1n5/6B1/2BNP3/2P5/P4PPP/R2Q1RK1 w - - 0 1_27-42{Pxc6}_59-3{Dxd1}_s49-42{bxc6}_3-59{Dxd8}_61-59{Txd8}_e38-52{Lxe7}_42-52{Pxe7+}",
"r4r2/1kppq2p/2p3p1/8/3Q1P2/1P6/P6P/RN3K1R b - - 0 1_46-38{g5}_s52-38{Dg5}_27-25{Db4+}_49-48{Ka7}_e25-16{Da3+}_5-14{Kg2}_61-29{Txf4}_27-19{Dd3}_29-30{Tg4+}_14-23{Kh3}_30-28{Te4}_se52-44{De6}",
"8/4p3/4p3/3P1p2/3PP3/5k2/8/5K2 w - - 0 1{%HPogosjants 1976}_35-43{d6!}_52-43{exd6}_27-35{d5!}_37-28{fxe4}_s44-35{exd5}_e28-37{exf5}_35-44{dxe6}",
"2r2rk1/1b5p/p4qp1/1p3NR1/1P2p3/P1P3Q1/6PP/3R2K1 w - - 0 1_3-43{Td6}_45-18{Dxc3}_43-46{Tdxg6+}_s38-46{Tgxg6+}_e62-63{Kh8}_55-46{hxg6}_s62-63{Kh8}_46-62{Tg8+}_61-62{Txg8}_38-62{Txg8+}_58-62{Txg8}_e22-18{Dxc3+}_38-46{Txg6+}_62-53{Kf7}_37-47{Ph6+}_s37-43{Pd6+}_53-52{Ke7}_ea43-58{Pxc8+}{}_53-60{Ke8}_46-44{Te6+}",
"3r2k1/5pp1/4pn1p/p7/P1B5/1P2NQP1/1P1p1PPK/2r5 b - - 0 1_45-30{Pg4+}_21-30{Dxg4}_11-3-Q{d1D}_20-3{Pxd1}_59-3{Tdxd1}",
"2q1r1k1/3Rbppp/pp2n3/5Q2/7P/PP3NP1/1B3P2/6K1 w - - 0 1{%HSpeelman-Greenfeld<br>Tilburg 1992}_21-38{Pg5}_44-38{Pxg5}_51-52{Txe7}_38-21{Pf3+}_6-7{Kh1}_s6-14{Kg2?}_21-31{Pxh4+}_22-31{gxh4}_e58-42{Dc6+}_60-61{Tf8}_s53-45{f6}_52-54{Txg7+}_62-54{Kxg7}_37-45{Dxf6+}_54-62{Kg8}_e45-54{Dg7#}_37-21{Dxf3}"
);