Downloads

• MadChess 2.1+ does not require any framework. It runs self-contained on Windows, Linux, or Mac. This is made possible by .NET Core. I provide binaries only for Windows.
• MadChess 2.0 requires .NET 4.6 or later, a Microsoft framework pre-installed on Windows 10 and later operating systems. It runs only on Windows.
• MadChess 1.x requires .NET 3.5 SP1 or later, a Microsoft framework pre-installed on Windows 7 and later operating systems. It runs only on Windows.

To play a game you need a Graphical User Interface (GUI).

Version	Svn*	Bullet ELO	Blitz ELO	Rapid ELO	Lines of Code	.NET Runtime	Source	Binary
2.2	164	2421 (+40)	2488 (+52)	2511 (+47)	4,817	Self-contained	Code	Win64 Win32
2.1	112	2381	2436	2464	5,105	Self-contained	Code	Win64 Win32
2.0	128	2313	2380	2384	3,203	.NET 4.6	Code	EXE
1.4	145	2153	2235	2268	4,438	.NET 3.5 SP1	Code	EXE
1.3	103	2134	2196	2236	4,144	.NET 3.5 SP1	Code	EXE
1.2	43	2078	2123	?	4,368	.NET 3.5 SP1	Code	EXE
1.1	35	2013	2062	?	4,308	.NET 3.5 SP1	Code	EXE
1.0	9	1923	?	?	4,482	.NET 3.5 SP1	Code	EXE

* Subversion source code revision (for my own use). Test games run with the following time controls.

ELO calculated using Ordo with one engine from each of four divisions anchored to its rating on the the CCRL list.

RumbleMinze, the predecessor to MadChess, is available for download.

ELO Ratings

ELO is a rating system that measures a chess player’s skill. See Ratings for a comparison of MadChess to other chess engines.

Player	ELO Rating
Best Computer	3400
Best Human	2850
Grandmaster	2600
MadChess	2511
International Master	2400
Master	2200
Expert	2000
Strong Club	1800
Club	1600
Strong Social	1400
Social	1200
Novice	1000
Beginner	800
Child	600
Young Child	400

ELO predicts the expected score between two players. Score = (Wins + 0.5 * Draws) / Games.

ELO Difference	Expected Score
+800	99%
+600	97%
+400	91%
+300	85%
+200	76%
+150	70%
+100	64%
+50	57%
0	50%
-50	43%
-100	36%
-150	30%
-200	24%
-300	15%
-400	9%
-600	3%
-800	1%