Chess324 Top 15 Round-Robin - several new engines added

[Modern Times]

Alexandria 8.0.0 replaces V 7.1.0 and jumps two places to 5th thanks to an approx. +38 Elo performance gain under these conditions

https://e4e6.com/324/

[Modern Times]

PlentyChess 5.0.0 replaces V 4.0.1 and jumps one place to 3rd thanks to an approx. +15 Elo performance gain under these conditions.

https://e4e6.com/324/

[Modern Times]

Stockfish 17.1 replaces v17 and gains +5 Elo under these conditions:

https://e4e6.com/324/

I assumed that the bigger gains in this release were at longer time controls and multiple threads, and that seems to be correct. Smaller gains at blitz on 1 thread, which is what this is.

[Modern Times]

Viridithas 17.0.0 replaces V 16.0.0 and has jumped one place to 8th thanks to an approx. +25 Elo gain under these conditions.

https://e4e6.com/324/

[Modern Times]

Caissa 1.22 replaces v1.21 on this Chess324 Top 15 round-robin, and jumps two places from 7th to 5th thanks to an approx. +17 Elo improvement under these conditions https://e4e6.com/324/

[Modern Times]

Renegade 1.2.0 enters the Chess324 Top 15 round-robin at 15th place. Quanticade Fenrir 1.0 drops to 16th, but stays there for now due to the gap pretty much being within the error margins https://e4e6.com/324/