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descriptionCT800 EmptyCT800

CT800 1.12

descriptionCT800 EmptyRe: CT800

CT800 1.20

From the author:

I have released V1.20 of the CT800:

V1.20 should win back some Elo that V1.12 had lost. The important changes are:

- The time management is a bit less aggressive in the early phase.
- Higher priority for found null moves.
- Reduced the passed pawn extension.
- Fixed a bug in the rook vs. bishop endgame where the correct defender edge was not highlighted enough over its adjacent rim squares.
- Added rule of the square.
- Fixed a corner case with the 50 moves rule: the 50th move draws only if it does not deliver checkmate.
- Added more opening knowledge.

UCI versions:
- After returning a move, the engine does not execute that move internally. This increases the GUI compatibility when looking for alternative moves via the UCI feature "searchmoves", in particular on the DGT Pi.
- The half move counter in the FEN string is parsed correctly in plies.
- Added an option to limit the speed via the node rate. At 30 kNPS and 1 MB hash, the performance should be close to the dedicated unit.
- Overhauled the I/O layer to achieve more robustness across the supported platforms. In particular, the engine idle state does not keep the OS from entering deeper energy saving modes.
- Removed the "Show Short PVs" option - it is now always enabled. This reduces the perceived engine lag under some GUIs.

- ASLR and NX has been enabled (enhanced security).
- Updated the GCC version from 6.3.1 to 6.4.0.

- In addition to the ARM 32 bit binary, there are now also ones for ARM64, x86 and x86-64.
- The binaries are now dynamically linked to the C standard library for better support of position independent code (security enhancement) and reduction of the program size.
- Updated the NDK version from r15b to r15c.

descriptionCT800 EmptyRe: CT800

CT800 1.30

descriptionCT800 EmptyRe: CT800

CT800 1.32

About 30 Elo better.

descriptionCT800 EmptyRe: CT800

CT800 1.33

descriptionCT800 EmptyRe: CT800

CT800 1.34

descriptionCT800 EmptyRe: CT800

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