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No not easy. If I step in the source code using a debugger and have to open an extra window to inspect a bitboard. Not easy enough. Usually when I have stepped through hundreds of lines of source code to find the bug everything is already too much. Sometimes you press accidentally a wrong button an...

No not easy. If I step in the source code using a debugger and have to open an extra window to inspect a bitboard. Not easy enough. Usually when I have stepped through hundreds of lines of source code to find the bug everything is already too much. Sometimes you press accidentally a wrong button and...

I mean if you get a 64 bits integer telling which squares are attacked you can't see if it is correct.
But when you get a list of coordinates you can.

Maybe it's an idea not to allow political statements on CTF.

"Board" handles the board and makes/unmakes moves onto it. Board of my engine is not replaceable. Tried once to repair that but got crazy of the errors. So best is to start with a non-bitboard implementation. And if one wants to use bitboards later then one must not change it's interface. Bitboards...

Don't understand why close it. If you don't like it or you are not interested skip it.

Better. It did not use transposition table in main branch. dep score nodes time (not shown: tbhits knps seldep) 22 -2.59 14.8M 3:50.75 d3d2 d6e6 d2e2 e6f7 e2d3 f7g6 d3e2 f6f5 e4f5 g6f5 e2d2 21 -2.59 13.0M 3:22.50 d3d2 d6e6 d2e2 e6f7 e2d3 f7g6 d3e2 f6f5 e4f5 g6f5 e2d2 20 -2.59 10.8M 2:47.73 d3d2 d6e6...

Don't know why I come up with this position. LOL. For those who don't know and/or future readers, this is from the end of Firouzja-Carlsen, Norway Chess 2020. Firouzja blundered with Kc3?? and resigned after ...Kc5. The move Kd2, taking distant opposition, is still a draw. Yes for those who did not...

Can't even use iterators in critical code for that means allocating memory.

So enjoy ugly code.

Don't know why I come up with this position. [d] 8/8/3k1p2/4p3/4P3/3K4/8/8 w - - 0 1 Already know that Skipper can't play endgames exclude: none best +tail dep score nodes time (not shown: tbhits knps seldep) 10 -2.02 5.15M 1:22.27 d3c3 d6e6 c3c2 f6f5 c2d3 f5f4 d3e2 e6d6 e2f3 d6c5 9 -2.02 2.71M 0:43...