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Myrddin on 8 cores finds Rxd4 in 8 seconds, but then keeps waffling between Rxd4 and Rxe3. The score is never close to a draw, though, even after two minutes.

This is probably the easiest position I have. Your engine should avoid Qxa6 and Rxa6 as they both lead to an immediate 3-fold draw: [D]3r3N/R1p1kppp/n6n/8/2QPP3/5q2/5P1P/5RK1 w - - 0 24 Also, this is a classic position, but it is much harder for young engines to find: [D]1k6/4R3/1p6/p1p3p1/qnBn2Qp/5...

Dann Corbit wrote: ↑

Sun Aug 16, 2020 12:39 am

silentshark wrote: ↑

Sat Aug 15, 2020 5:13 pm

So, here's my lazy question, what's the easiest way to create multiple processes and share memory between them, in the world of Windows?

Use CreateProcess.
You can almost simulate a fork with it.

Yep, that's how I did it in my code sample above.

With the nasty legacy code I have (lots of global variables etc.), the multiple process approach might be the easiest thing for me to use. So, here's my lazy question, what's the easiest way to create multiple processes and share memory between them, in the world of Windows? And that's exactly the ...

Results against TSCP: 1 thread on i7-6700 3.40GHz (4 cores) -----------------Plankton64_03----------------- Plankton64_03 - TSCP181c : 84.0/100 75-7-18 (=11=111=101=11=1110=1011111111==0=11111110=11=11=1111=1111=1111111111110111110111==1111=1=1111111111) 84% +288 -----------------TSCP181c----------...

8/3r4/5p2/2k1nQ2/8/3p4/3K4/8 b - - This position came up in Halogen v Myrddin in a CCRL match. There is only one move that wins for Black. Myrddin failed to find it within the time control even with 5-man tablebases. :-( Stockfish-dev with pure NNUE eval (no hybridization) finds the correct move in...

This position came up in Halogen v Myrddin in a CCRL match. There is only one move that wins for Black. Myrddin failed to find it within the time control even with 5-man tablebases.

Even The King from CM9000 (of course, with only one thread) can find it in less than a minute: Time Depth Score Positions Moves 0:00 1/3 -3.52 1297 1.Kb1 Kg8 2.c3 0:00 1/3 -3.49 1523 1.a3 Nc6 2.Qxb5 Bxf2 0:00 1/3 -3.45 2262 1.c3 Qc6 2.Kb1 0:00 1/4 -3.26 4564 1.c3 Nxa2+ 2.Kb1 h6 3.Kxa2 hxg5 4.hxg5+ K...

Fun tournament, mine was with no opening book, no threads code and came in the bottom half on its first outing, but I quite liked this game (playing white). Not sure how sound was 12 Nxd4, the game flashes by too fast to analyse in real time, but I figured the exchange sac was on the cards at that ...

Too late for black here [d] 8/pppk1p2/4pQ2/1r2P3/3P2p1/1PP2NP1/qn2KPP1/4R3 w - - 0 1 The good ol' King from 2002 sees Mate in 13 in four seconds: Time Depth Score Positions Moves 0:00 1/3 3.82 3528 1.Qxf7+ Kd8 2.Nd2 Qa6 3.Kf1 0:00 1/4 3.83 9522 1.Qxf7+ Kd8 2.Nd2 Qa5 3.Rh1 0:00 1/5 10.56 45935 1.Qxf...