Houdini 4 vs Komodo 1331

TCEC Season 7 - Stage 4: Houdini 4 vs Komodo 1331
1q6/kp3R2/1b1p1P2/pQ1P3p/1P5r/P1P5/K7/8 b - b3 0 54


Stockfish 171114 @ D=34, 6-men
1. -/+  (-1.23): 54...Qc8 55.bxa5 Be3 56.Rd7 Qc4+
2. -/+  (-1.02): 54...Rh2+ 55.Kb3 Rf2 56.bxa5 Bd8
3. -/+  (-0.97): 54...Rf4 55.bxa5 Bd8 56.a6 Rf2+	<-- Komodo play @ D=31, 3475 MN

Stockfish 171114 @ D=35, 6-men
1. -+  (-1.47): 54...Qc8 55.bxa5 Be3 56.a6 Qc4+
2. -/+  (-0.97): 54...Rh2+ 55.Kb3 Rf2 56.bxa5 Bd8
3. -/+  (-0.83): 54...Rf4 55.bxa5 Bd8 56.a6 Rf2+	<-- Komodo play @ D=31, 3475 MN

54...Qc8 @ D=38
1. -+  (-1.51): 55.bxa5 Be3 56.Rd7 Qc4+ 57.Qxc4 Rxc4
2. -+  (-1.81): 55.Qc6 Kb8 56.Qxd6+ Bc7 57.Qe6 Bd8

54...Qc8 @ D=41
1. -+  (-1.72): 55.bxa5 Be3 56.a6 Qc4+ 57.Qxc4 Rxc4
2. -+  (-1.78): 55.Qc6 Kb8 56.Qxd6+ Bc7 57.Qe6 Bd8

55.bxa5 Be3 56.a6 Qc4+ 57.Qxc4 Rxc4 58.Kb3 Rf4 59.axb7 Bb6 60.Rh7 Rxf6 61.Rxh5 Kxb7 (forced line for black moves)

D=48  (virtual D=63 to 54. .. Qc8)
1. -+  (-2.28): 62.Kc4 Bc5 63.a4 Kb6 64.Rh8 Rf4+ 65.Kb3 Rf1 66.Ra8 Ra1 67.Kc4 Ra3 68.Rb8+ Ka6
2. -+  (-2.34): 62.Rh7+ Ka6 63.Rh8 Rf1 64.Ra8+ Kb7 65.Rh8 Bc5 66.a4 Ra1 67.Kc4 Rxa4+ 68.Kb5 Ra3

62.Kc4 Bc5 63.a4 Kb6 64.Rh8 Rf4+ 65.Kb3 Rf1 66.Ra8 Ra1 67.Kc4 Ra3 68.Rb8+ Ka6 69.Ra8+ Kb7  70.Rg8 Rxa4+

D=44  (virtual D=77 to 54. .. Qc8)
1. -+  (-3.35): 71.Kb5 Ra3 72.Rg7+ Kc8 73.Rg3 Kd7 74.Rg7+ Ke8 75.Rg3 Kf7 76.Rf3+ Ke7 77.Rh3 Kf6
2. -+  (-6.88): 71.Kb3 Ra5 72.Rd8 Kc7 73.Rf8 Bb6 74.Rf7+ Kc8 75.Rf8+ Kb7 76.Rf5 Ka6 77.Kc4 Ra4+

71.Kb5
D=50   (virtual D=84 to 54. .. Qc8)
1. -+  (-4.19): 71...Rf4 72.Rg7+ Kc8 73.Rg3 Kd8 74.Rg8+ Ke7 75.Ra8 Rf5 76.Kc4 Kd7 77.Rh8 Kc7
2. -+  (-4.19): 71...Re4 72.Rf8 Re2 73.Rf7+ Kc8 74.Rf8+ Kd7 75.Rf7+ Ke8 76.Rf1 Rf2 77.Re1+ Kd7

71...Rf4 72.Rg7+ Kc8 73.Rg3 Kd8 74.Rg8+ Ke7 75.Ra8 Rf5 76.Kc4
D=51   (virtual D=95 to 54. .. Qc8)
1. -+  (-5.80): 76...Kd7 77.Ra1 Be3 78.Rd1 Kc7 79.Kb5 Rg5 80.Rd3 Bf2 81.Rd1 Kb7
2. -+  (-5.80): 76...Be3 77.Rb8 Bf4 78.Rb6 Kd7 79.Rb7+ Kd8 80.Ra7 Be5 81.Kb4 Rf1

76...Kd7 77.Ra1 Be3 78.Rd1 Kc7 79.Kb5 Rg5 80.Rd3 Bf2 81.Rd1 Kb7

D=51   (virtual D=106 to 54. .. Qc8)
1. -+  (-123.30): 82.Kc4 Rg4+ 83.Kb5 Rg1 84.Rd2 Rb1+ 85.Kc4 Bg3 86.Ra2 Be5 87.Ra3 Kb6 88.Ra8 Rh1 89.Rb8+ Kc7 90.Rb3 Rh4+ 91.Kb5 Rh3 92.Kb4 Rg3 93.Kc4 Kd7 94.Rb7+ Ke8 95.Rb3 Rh3 96.Rb8+ Kf7 97.Rb7+ Kg6 98.Rb3 Kf6 99.Ra3 Kf5 100.Rb3 Ke4 101.Ra3 Rh8 102.Ra4 Rc8+ 103.Kb3+ Kd3 104.c4 Rb8+ 105.Ka2 Rb2+ 106.Ka3 Rb1 107.c5 Ra1+ 108.Kb3 Rxa4 109.c6 Rc4 110.Ka3 Rxc6
2. -+  (-123.37): 82.Ka5 Rg1 83.Rd2 Be1 84.Rb2+ Kc7 85.Kb4 Rg4+ 86.Kb3 Kb6 87.Re2 Bg3 88.Re7 Be5 89.c4 Rg7 90.Re8 Kc5 91.Rc8+ Kd4 92.Rc6 Rb7+ 93.Ka4 Rb1 94.Rc8 Bg3 95.Rc7 Be1 96.Ka3 Rc1 97.Re7 Ba5 98.Ra7 Bd2 99.Rh7 Kxc4 100.Rh5 Bc3 101.Rh4+ Kxd5

82.Kc4 Rg4+ 83.Kb5 Rg1 84.Rd2 Rb1+ 85.Kc4 Bg3 86.Ra2 Be5 87.Ra3 Kb6 88.Ra8 Rh1 89.Rb8+ Kc7 90.Rb3 Rh4+ 91.Kb5 Rh3 92.Kb4 Rg3 93.Kc4 Kd7 94.Rb7+ Ke8 95.Rb3 Rh3 96.Rb8+ Kf7 97.Rb7+ Kg6 98.Rb3 Kf6 99.Ra3 Kf5 100.Rb3 Ke4 101.Ra3 Rh8 102.Ra4 Rc8+ 103.Kb3+ Kd3

2r5/8/3p4/3Pb3/R7/1KPk4/8/8 w - - 0 104

1. -+  (-#26): 104.Ra7 Rb8+ 105.Ka4 Bxc3
2. -+  (-#24): 104.Ra6 Rxc3+ 105.Ka4 Rc5
3. -+  (-#24): 104.Rg4 Rb8+ 105.Ka3 Bxc3
4. -+  (-#24): 104.Rh4 Rb8+ 105.Ka4 Bxc3
5. -+  (-#22): 104.Rb4 Rxc3+ 105.Ka2 Rc2+
6. -+  (-#21): 104.Ra5 Rb8+ 105.Ka4 Rb1
7. -+  (-#21): 104.c4 Rb8+ 105.Rb4 Rxb4+
8. -+  (-#20): 104.Kb2 Bxc3+ 105.Kb3 Rb8+
9. -+  (-#20): 104.Ka3 Bxc3 105.Kb3 Rb8+
10. -+  (-#19): 104.Ka2 Kc2 105.Ka3 Bxc3
11. -+  (-#19): 104.Kb4 Rc4+ 105.Kb5 Rxa4
12. -+  (-#17): 104.Ra3 Rxc3+ 105.Kb4 Rxa3
13. -+  (-#12): 104.Ra2 Rb8+ 105.Ka3 Kxc3
14. -+  (-#11): 104.Ra1 Rxc3+ 105.Ka4 Rc4+
15. -+  (-#7): 104.Rd4+ Bxd4 105.cxd4 Rc4
16. -+  (-#7): 104.Ra8 Rxa8 105.Kb4 Rb8+
17. -+  (-#6): 104.Re4 Kxe4 105.c4 Kd3