Lyon 16 bits e engines do Pico Chess

A série de testes que venho procedendo pelos dedicados frente as engines do PicoChess, o módulo Lyon 16 bits deixou escapar vitória em face da engine MacBrain 9.2. a partida teve suas nuanças, terminando em empate, embora Lyon esteve melhor grande parte da partida.
Lembrar que a partida foi parametrizada em 15 minutos, nível 12 da engine MacBrain, rating de 2100.

ChessBase

Mephisto Lyon–McBrain 9.2 (level 12)2100½–½C84PicoChess gameSão Paulo, Brazil BR30.06.2018Tactical Analysis 2.10 (14s)

1.e4 e5 2.f3 c6 3.b5 a6 4.a4 f6 5.d4 exd4 6.0-0 e7 7.e1 b5 8.b3 d6 9.d5 xd5 10.exd5 e5 11.xd4 0-0 12.c3 e8 C84: Closed Ruy Lopez: Unusual White 6th moves 12...g4 13.f3 d7 14.f4 g4 15.ce2 c4 16.b3 b6 17.c6 d7 18.b2 ae8 19.h3 h5 20.xe7+ xe7 1/2-1/2 (28) Ter Sahakyan,S (2575)-Akopian, V (2675) Aix les Bains 2011 13.f4 LiveBook: 3 Games g4 14.f3 d7 15.xe5 dxe5 16.xe5 b4 17.e4 d6N 17...f6 stays ahead. 18.e6 c8 Predecessor: 17...f6 18.h5 g6 19.h6 f5 20.f2 0-1 (31) Juarez de Vena,A (2098)-Turko,S (2255) ICCF email 2010 18.xe8+± xe8 19.d2 e7 20.f4 b8 21.e5 b6 22.h1 f8

...Re8 is the strong threat. 23.d1 e8 24.f4 e7 25.h3 d6 26.xd6 cxd6 27.b3 a5 28.d4 a6 29.c1 b5 30.g1 f5 31.c4 bxc3 32.bxc3 c2 33.c4 b7 33...b1!? 34.f1 b4= 34.f1 e7 35.b3 d8 36.c5 xb3 37.axb3 Endgame KQR-KQR b8 38.b1 Threatens to win with c6. a7 39.c1 h6 40.h4 dxc5 41.xc5 a6 42.c4 f6 43.xa5 d6 44.f1 e3 45.d2 e5 46.d3 e8 47.e4 b8 48.c4 d8 49.d4 a8 50.b4 h5 51.b5 a1+ 52.f2 h7 53.c2+ g6 54.b2? 54.d1+- b6+ 55.g3 d6+ 56.f2 b6+ 57.g3 d6+ 58.f2 54...h1 55.b6

And now b7 would win. 55.d2!? h2 56.f4= 55...h2 The position is equal. 56.e3 Black must now prevent Kd3. e1+ 57.d3 Hoping for b7. g1! 58.b7 d1+! 59.c4 White threatens Rxd1 and mate. c1+ 60.b5 f1+! 61.a5 a1+ 62.a4 xa4+ 63.xa4= KQ-KQ a6+ 64.b4 xb7+ 65.c3 White puts up resistance xd5 66.b6 a2 67.c7 h6 68.e7 Accuracy: White = 36%, Black = 50%. ½–½

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