Talking about chess using algebraic notation
So, we have 3...Qxd2+??, the computer literally just charging it's queen forward. That was *immediately* followed by 4. Bxd2. Later, we got the similar 11...Rd1+?? which was followed by a simple 12. Kxd1. But the worst one was 20. Qxe5+ Ka8??, when there were pawns on a7 and b7. WHY WOULD YOU DO THAT?! I literally have it notated in PGN "Ka8$4$9"
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Talking about chess using algebraic notation
Those $ bits are Numeric Annotations. $4 is your basic ??, the "what the fuck that's a horrible move."" $9 corresponds to "Worst Move." That is literally, of the 2 moves the CPU had, the worst move it could have done. It might as well just have resigned. The game literally just ended with 21. Qe8#. There was *nothing* that the CPU could have done from 20...Ka8.