var extexts = new Array(
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"8/p2Bp3/P6p/6pk/4r3/6P1/1P4K1/8 w - - 0 1_14-21{Kf3}_39-46{Kg6}_s28-25{Rb4}_e51-60{Be8#}_21-28{Kxe4}",
"1r1q2k1/4ppbp/3p2p1/2pP1b2/3nB3/1rNQP1PP/RP1B1P2/4R1K1 b - - 0 1_27-21{Nf3+}_6-14{Kg2}_21-4{Nxe1+}",
"r5k1/3q2pp/1p1Nnnp1/p2p4/3P4/2P1P2P/PPQ2PP1/R4RK1 w - - 0 1_20-28{e4}_51-43{Qxd6}_s35-28{dxe4}_e43-28{Nxe4}_28-36{e5}",
"5rk1/pp4p1/2pq2np/5Q2/2bPN3/5N2/PP4PP/4R1K1 b - - 0 1{%HBelov-Novopashin<br>Nikolaev 1981}_43-25{Qb4}_37-46{Qxg6}_s37-61{Qxf8+}_e46-61{Nxf8-+}_s8-16{a3}_25-4{Qxe1+}_21-4{Nxe1}_e61-37{Rxf5-+}_s28-45{Nf6+}_e61-45{Rxf6-+}_25-4{Qxe1+}_21-4{Nxe1}_61-5{Rf1#}",
"6k1/p1q3p1/2p4p/2N5/1P1Q4/P1P1Rb1P/6r1/5K2 b - - 0 1_14-6{Rg1+}_5-6{Kxg1}_50-22{Qg3+}_6-5{Kf1}_22-14{Qg2+}_5-4{Ke1}_14-6{Qg1+}_4-11{Kd2}_6-3{Qd1#}",
"5nk1/1b3ppp/r7/p3q3/1pp3P1/4pP1R/PPQ4P/1B1R2K1 w - - 0 1_10-55{Qxh7+}_61-55{Nxh7}_3-59{Rd8+}_55-61{Nf8}_23-63{Rh8+}_62-63{Kxh8}_59-61{Rxf8#}",
"8/2pk1qpp/Q2b4/r4r2/P4p2/5N2/5PPP/3RR1K1 w - - 0 1{%HRittner-Kondali<br>cr 1981}_3-43{Rxd6+}_50-43{cxd6}_40-49{Qb7+}_51-59{Kd8}_49-57{Qb8+}_59-51{Kd7}_21-38{Ng5}"
);