var extexts = new Array(
"3b3K/6P1/1pb4k/4p1p1/4P1P1/B7/8/8 w - - 0 1{%HNechaev, 1935}_16-52{Be7!}_s54-62-Q{g8Q}_e59-45{Bf6+}_59-52{Bxe7}_s59-50{Bc7}_54-62-Q{g8Q}_41-33{b5}_e52-38{Bxg5#}_54-62-N{g8N+}_47-46{Kg6}_62-52{Nxe7+}",
"5Q2/6pk/4q2N/6PK/8/8/8/8 w - - 0 1{%HKalinin, 1967}_61-62{Qg8+!}_s61-37{Qf5+}_e54-46{g6+-+}_44-62{Qxg8}_38-46{g6+}_55-63{Kh8}_47-53{Nf7+}_62-53{Qxf7}_46-53{gxf7}_54-46{g6+}_39-47{Kh6}_46-38{g5}_53-61-Q{f8Q#}_sea53-61-R{f8R#}{}",
"2K5/1R6/k7/3p4/rP6/2P5/3B4/q7 w - - 0 1{%HMarvelian, 2000}_25-33{b5+}_s58-50{Kc7}_e0-6{Qg1}_40-32{Ka5}_18-26{c4+}_24-25{Rb4}_49-48{Ra7+}_32-41{Kb6}_11-20{Be3+}_s48-0{Rxa1?}_25-26{Rxc4+}_58-51{Kd7}_e41-33{Kxb5=}_35-27{d4}_20-27{Bxd4+}_0-27{Qxd4}_48-40{Ra6+}_41-34{Kc5}_40-42{Rc6#}",
"1Q6/7K/3p4/5k2/3b1p2/5P2/5P2/4q3 w - - 0 1{%HLommer, 1973}_57-61{Qf8+}_27-45{Bf6}_61-58{Qc8+}_4-44{Qe6}_s37-36{Ke5}_e58-60{Qe8++-}_s37-38{Kg5}_e58-30{Qg4#}_58-10{Qc2+}_37-38{Kg5}_s37-36{Ke5}_e10-28{Qe4#}_10-46{Qg6+}_38-31{Kh4}_46-47{Qh6#}",
"8/2R5/1n2kn2/6q1/8/2P1PB1p/4N2p/7K w - - 0 1{%HJakimtsjik, 1969}_12-27{Nd4+}_44-36{Ke5}_s44-43{Kd6}_e50-54{Rg7}_50-52{Re7+}_36-43{Kd6}_52-54{Rg7}_38-32{Qa5}_s38-54{Qxg7}_e27-37{Nf5+}_54-48{Ra7}_32-34{Qc5}_s32-48{Qxa7}_e27-33{Nb5+}_48-50{Rc7}_34-36{Qe5}_s43-50{Kxc7}_e27-44{Ne6+}_s34-50{Qxc7}_e27-33{Nb5+}_50-52{Re7}_36-38{Qg5}_52-54{Rg7}",
"r5RR/3p4/8/8/2K5/4k3/1p6/8 w - - 0 1{%HHoch, 1984}_62-57{Rb8!}_s62-60{Re8+?}_56-60{Rxe8}_63-60{Rxe8+}_e20-11{Kd2}_s63-23{Rh3+?}_20-13{Kf2}_23-15{Rh2+}_13-21{Kf3}_62-6{Rg1}_56-58{Rc8+}_26-19{Kd3}_e58-2{Rc1}_20-29{Kf4!}_63-61{Rhf8+}_29-30{Kg4!}_s29-38{Kg5}_57-33{Rb5+}_51-35{d5+}_33-35{Rxd5+}_38-30{Kg4}_61-5{Rf1}_56-58{Rc8+}_e35-34{Rc5}_s29-36{Ke5}_57-60{Rbe8+!}_36-43{Kd6}_61-45{Rf6+}_43-50{Kc7}_60-4{Re1}_56-0{Ra1}_e45-5{Rff1}_61-62{Rg8+}_30-29{Kf4!}_s30-31{Kh4}_26-18{Kc3!}_9-1-Q{b1Q}_57-1{Rxb1}_56-62{Rxg8}_e1-7{Rh1+}_26-27{Kd4!}_9-1-Q{b1Q}_57-1{Rxb1}_56-62{Rxg8}_1-5{Rf1+}_29-22{Kg3}_5-6{Rg1+}",
"8/1P6/k7/1Rr5/8/1KprN3/8/8 w - - 0 1{%HRoslov, 1991}_33-41{Rb6+}_40-32{Ka5}_20-26{Nc4+}_34-26{Rxc4}_41-33{Rb5+}_s17-26{Kxc4}_18-10{c2}_41-33{Rb5+}_32-24{Ka4}_33-25{Rb4+}_24-32{Ka5}_49-57-Q{b8Q}_10-2-Q{c1Q+}_26-19{Kxd3}_e2-3{Qd1+=}_32-40{Ka6}_17-26{Kxc4}_18-10{c2}_49-57-N{b8N+}_40-48{Ka7}_57-42{Nc6+}_48-40{Ka6}_42-25{Nb4+}_40-48{Ka7}_25-19{Nxd3}",
"K3b3/3R1p2/8/7k/P5p1/6P1/B4P1p/8 w - - 0 1{%HBondarenko, Kuznetsov, 1977}_51-35{Rd5+}_53-37{f5}_s39-46{Kg6}_35-43{Rd6+}_46-54{Kg7}_e8-35{Bd5}_35-3{Rd1}_60-24{Bxa4}_3-2{Rc1}_24-42{Bc6+}_2-42{Rxc6}_15-7-Q{h1Q}_8-53{Bf7+}_39-38{Kg5}_13-29{f4+}_30-21{gxf3 e.p.}_42-46{Rg6+}_38-39{Kh5}_46-62{Rg8+}_39-47{Kh6}_62-63{Rh8+}"
);