Version v4.1

CHANGELOG

@@ -1,3 +1,11 @@
+Oct 27, 2018: Version v4.1
+  - Added quiet move generator.
+  - Improved late move reduction.
+  - Increased density of transposition table.
+  - Added `hashfull` metrics in UCI mode and cache hits in REPL mode.
+  - Improved endgame evaluation for positions with opposite-colored bishops.
+  - Many small improvements and tweaks.
+
 Jan 8, 2016: Version v4.0
   - Improved search depth on typical time controls.
   - Many more optimizations and position evaluation tweaks.

Makefile

@@ -6,7 +6,7 @@
 # personal capacity and am not conveying any rights to any intellectual
 # property of any third parties.
 
-VERSION = 4.1rc6
+VERSION = 4.1
 GOFLAGS = -gcflags -B
 PACKAGE = github.com/michaeldv/donna/cmd/donna
 

benchmarks/README

@@ -2,13 +2,7 @@ Donna benchmark results (MacBook Air 1.3GHz Intel Core i5, 10s per position)
 
 Benchmark          brilliant.dcf      silent.dcf         win300.dcf
 -------------------------------------------------------------------------------------------
-Donna v4.1-rc6  +951 -50 (95.0%)   +127  -7 (94.8%)   +292  -8 (97.3%)
-Donna v4.1-rc5  +952 -49 (95.1%)   +126  -8 (94.0%)   +292  -8 (97.3%)
-Donna v4.1-rc4  +951 -50 (95.0%)   +123 -11 (91.8%)   +294  -6 (98.0%)
-Donna v4.1-rc3  +948 -53 (94.7%)   +125  -9 (93.3%)   +291  -9 (97.0%)
-Donna v4.1-rc2  +948 -53 (94.7%)   +125  -9 (93.3%)   +291  -9 (97.0%)
-Donna v4.1-rc1  +948 -53 (94.7%)   +124 -10 (92.5%)   +290 -10 (96.7%)
-
+Donna v4.1      +951 -50 (95.0%)   +127  -7 (94.8%)   +292  -8 (97.3%)
 Donna v4.0      +948 -53 (94.7%)   +124 -10 (92.5%)   +290 -10 (96.7%)
 Donna v3.1      +945 -56 (94.4%)   +123 -11 (91.8%)   +293  -7 (97.7%)
 Donna v3.0      +944 -57 (94.3%)   +121 -13 (90.3%)   +288 -12 (96.0%)

data.go

@@ -20,7 +20,7 @@ import `regexp`
 //                                      -― FORTRAN manual for Xerox Computers
 
 // Your chess engine hates you when you are working on a new version.
-const Version = `4.1-rc6`
+const Version = `4.1`
 
 // Limits and conventions.
 const (