Thanks for helping! Just made a vm with Suse 11.3 and installed wine 1.3.0 there. Both w32 and x64 chess engines of Hannibal, Houdini and Rybka (links in the first post) run well out-of-the-box. :D Houdini 64-bit: Code: max@linux-su64:~/Downloads> uname -a Linux linux-su64 2.6.34-12-desktop #1 SMP PREEMPT 2010-06-29 02:39:08 +0200 x86_64 x86_64 x86_64 GNU/Linux max@linux-su64:~/Downloads> wine --version wine-1.3.0 max@linux-su64:~/Downloads> wine ./Houdini_x64_2CPU.exe Trying to load PE image for unsupported architecture (AMD-64) fixme:heap:HeapSetInformation 0x7fca70bfe000 0 0x7fca7458fd50 4 Houdini 1.03a x64 2_CPU build 2010-07-17 by Robert Houdart info string 128 MB Hash allocated uci id name Houdini 1.03a x64 2_CPU id author Robert Houdart option name Hash type spin default 128 min 4 max 16384 option name Threads type spin default 2 min 1 max 2 option name Split_Depth type spin default 10 min 8 max 99 option name Ponder type check default false option name Analysis_Contempt type check default false option name MultiPV type spin default 1 min 1 max 16 option name Large_Pages type check default false uciok quit Only Stockfish 64-bit crashed Code: max@linux-su64:~/Downloads> wine ./stockfish-18-64-ja.exe Trying to load PE image for unsupported architecture (AMD-64) wine: Unhandled page fault on write access to 0xf984fd30 at address 0x1403d287f (thread 001c), starting debugger... Unhandled exception: page fault on write access to 0xf984fd30 in 64-bit code (0x00000001403d287f). Register dump: rip:00000001403d287f rsp:00007f27f984fcf0 rbp:00000000f984fd18 eflags:00010206 ( R- -- I - -P- ) rax:0000000000000000 rbx:00007f27fb542000 rcx:00007f27fb542000 rdx:0000000000000000 rsi:0000000000000000 rdi:00007f27f9d15800 r8:00000000ffffffff r9:0000000000000000 r10:00007fff476db540 r11:00007f27faffefc0 r12:0000000000000000 r13:00007f27f99dcc30 r14:00000001400000f0 r15:00007f27fb53c000 Stack dump: 0x00007f27f984fcf0: 0000000000000000 0000000000000000 0x00007f27f984fd00: 0000000000000000 0000000000000000 0x00007f27f984fd10: 0000000000000000 0000000000000000 0x00007f27f984fd20: 0000000000000000 0000000000000000 0x00007f27f984fd30: 0000000000000000 0000000000000000 0x00007f27f984fd40: 0000000000000000 0000000000000000 0x00007f27f984fd50: 0000000000000000 0000000000000000 0x00007f27f984fd60: 0000000000000000 0000000000000000 0x00007f27f984fd70: 0000000000000000 0000000000000000 0x00007f27f984fd80: 00000001403d2873 00007f27f99dccef 0x00007f27f984fd90: 0000000140000000 0000000000000000 0x00007f27f984fda0: 0000000000000000 0000000000000000 Backtrace: 0x00000001403d287f: movq %rsi,0x0000000000000018(%rbp) Modules: Module Address Debug info Name (10 modules) PE 40000000- 403d4000 Deferred stockfish-18-64-ja PE f5d60000- f5d64000 Deferred uxtheme PE f6dc0000- f6dc4000 Deferred imm32 PE f7fa0000- f7fa4000 Deferred winex11 PE f8b90000- f8bbb000 Deferred comctl32 PE f8e80000- f8e84000 Deferred advapi32 PE f9100000- f9104000 Deferred gdi32 PE f93e0000- f9417000 Deferred user32 PE f9990000- f9a76000 Deferred kernel32 PE fa5a0000- fa5a4000 Deferred ntdll Threads: process tid prio (all id:s are in hex) 0000000e services.exe 00000016 0 00000015 0 00000014 0 00000010 0 0000000f 0 00000011 winedevice.exe 00000017 0 00000013 0 00000012 0 00000019 explorer.exe 0000001a 0 0000001b (D) Z:\home\max\Downloads\stockfish-18-64-ja.exe 0000001c 0 <== Backtrace: Hope next Ubuntu fills this gap. Kudos to Suse! -Max