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After deliberating 88 minutes (7.8 hours CPU time over 8 cores): Bxb4

Suddenly, this isn't looking so good anymore ...

zmd@SuddenHeap:~$ time leafline --from "r2qr1k1/ppp2ppp/4b3/8/1b1Pn3/P7/1PQB1PPP/RN2KB1R w KQ - 0 16" --depth 8
Welcome to Leafline v. 0.0.16!
Leafline substrate accountant detected 14.282 GiB of free memory.
    a b c d e f g h
 8 ♜     ♛ ♜   ♚
 7 ♟ ♟ ♟     ♟ ♟ ♟
 6         ♝
 5
 4   ♝   ♟ ♞
 3 ♟
 2   ♟ ♛ ♝   ♟ ♟ ♟
 1 ♜ ♞     ♚ ♝   ♜

(scoring alternatives 8 levels deep took 5287160 ms)
 0: Bxb4 (♗ from d2 to b4, stunning ♝) — score -0.8 ‣ representative variation: Bb4 Bf5 Kd1 Qd4 Kc1 Ng3 Qc7 Nh1
 1: xb4 (♙ from a3 to b4, stunning ♝) — score -1.1 ‣ representative variation: b4 Bf5 Be3 Ng3 Bd3 Bd3 Qd3 Nh1
 2: Qxe4 (♕ from c2 to e4, stunning ♞) — score -2.8 ‣ representative variation: Qe4 Bc4 Bc4 Re4 Kf1 Qd4 b4 Qd2
 3: Be2 (♗ from f1 to e2) — score -3.2 ‣ representative variation: Be2 Nd2 Nd2 Bg4 Ne4 Be1 O–O Be2
 4: Qa4 (♕ from c2 to a4) — score -4.3 ‣ representative variation: Qa4 Bd2 Nd2 Bd7 Qc2 Ng3 Ne4 Nh1
 5: d5 (♙ from d4 to d5) — score -4.9 ‣ representative variation: d5 Bf5 b4 Nd2 Kd2 Qg5 f4 Bc2
 6: Bb5 (♗ from f1 to b5) — score -5.4 ‣ representative variation: Bb5 Bb3 Qc7 Nd2 Qd8 Nb1 Kf1 Rd8
 7: Qc1 (♕ from c2 to c1) — score -5.5 ‣ representative variation: Qc1 Qd4 Bd3 Nf2 Bh7 Kh7 b4 Nh1
 8: Nc3 (♘ from b1 to c3) — score -5.5 ‣ representative variation: Nc3 Bb3 Qe4 Bc3 Bc3 Re4 Kd2 Qd4
 9: Bc4 (♗ from f1 to c4) — score -5.9 ‣ representative variation: Bc4 Nd2 Be6 Re6 Kd1 Rc6 Nc3 Bc3
10: f3 (♙ from f2 to f3) — score -6.0 ‣ representative variation: f3 Nd2 b4 Bb3 Kd2 Qd4 Qd3 Qd3
11: Bd3 (♗ from f1 to d3) — score -6.0 ‣ representative variation: Bd3 Bb3 Bb4 Bc2 Be7 Nf2 Kf2 Re7
12: Qd3 (♕ from c2 to d3) — score -6.0 ‣ representative variation: Qd3 Bc4 b4 Bd3 Be3 Nf2 Kf2 Re3
13: Bc3 (♗ from d2 to c3) — score -6.1 ‣ representative variation: Bc3 Bb3 Qb3 Nc5 Be2 Nb3 b4 Na1
14: Ke2 (♔ from e1 to e2) — score -6.1 ‣ representative variation: Ke2 Nd2 b4 Bb3 Kd2 Qd4 Qd3 Qd3
15: Kd1 (♔ from e1 to d1) — score -6.5 ‣ representative variation: Kd1 Nf2 Kc1 Bd2 Nd2 Nh1 Ne4 Qd4
16: Qd1 (♕ from c2 to d1) — score -6.8 ‣ representative variation: Qd1 Qd4 Qe2 Bd2 Nd2 Nd2 f3 Nf1
17: Qxc7 (♕ from c2 to c7, stunning ♟) — score -7.1 ‣ representative variation: Qc7 Qc7 b4 Bd7 Be3 Nd6 Nc3 Re3
18: g4 (♙ from g2 to g4) — score -7.5 ‣ representative variation: g4 Bb3 Bb4 Bc2 Bb5 Re6 Nd2 Nd2
19: g3 (♙ from g2 to g3) — score -7.5 ‣ representative variation: g3 Bb3 Bb4 Bc2 Bb5 Re6 Nd2 Nd2
20: f4 (♙ from f2 to f4) — score -7.5 ‣ representative variation: f4 Bb3 Bb4 Bc2 Bb5 Qh4 g3 Bb1
21: Rg1 (♖ from h1 to g1) — score -7.5 ‣ representative variation: Rg1 Bb3 Bb4 Bc2 Bb5 Re6 Nd2 Nd2
22: h3 (♙ from h2 to h3) — score -7.5 ‣ representative variation: h3 Bb3 Bb4 Bc2 Bb5 Re6 Nd2 Nd2
23: h4 (♙ from h2 to h4) — score -7.5 ‣ representative variation: h4 Bb3 Bb4 Bc2 Bb5 Re6 Nd2 Nd2
24: Ba6 (♗ from f1 to a6) — score -7.5 ‣ representative variation: Ba6 Bb3 Bb4 Bc2 Bb5 Re6 Nd2 Nd2
25: Ra2 (♖ from a1 to a2) — score -7.6 ‣ representative variation: Ra2 Ba2 b4 Bb1 Qa4 Nc3 Qe8 Qe8
26: a4 (♙ from a3 to a4) — score -8.2 ‣ representative variation: a4 Nd2 Nd2 Bb3 Kd1 Bc2 Kc2 Bd2
27: b3 (♙ from b2 to b3) — score -8.5 ‣ representative variation: b3 Bb3 Bb4 Bc2 Bb5 Re6 Nd2 Nd2
28: Qc3 (♕ from c2 to c3) — score -8.5 ‣ representative variation: Qc3 Nc3 Nc3 Bb3 Be3 Ba5 f3 Re3
29: Qc5 (♕ from c2 to c5) — score -9.2 ‣ representative variation: Qc5 Bc5 c5 Nc5 Nc3 Bb3 Ne4 Qd2
30: Qc6 (♕ from c2 to c6) — score -9.4 ‣ representative variation: Qc6 c6 b4 Qd4 f3 Qf2 Kd1 Qf1
31: Qc4 (♕ from c2 to c4) — score -9.8 ‣ representative variation: Qc4 Bd2 Nd2 Bc4 Bc4 Ng3 Ne4 Nh1
32: Qb3 (♕ from c2 to b3) — score -11.7 ‣ representative variation: Qb3 Bb3 Bb4 Qd4 Ke2 Qb2 Nd2 Qa1
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Zack M. Davis
Zack M. Davis committed Feb 11, 2016
1 parent add585a commit 681085b3e1eb15b9e7bb658349a07fe38a353e2e
Showing with 2 additions and 2 deletions.
  1. +2 −2 data/games.js
@@ -21,8 +21,8 @@ pgnData = [
'12. Bd2 Re8 ' +
'13. a3 Nc3 ' +
'14. Qc2 Nxd4 ' +
'15. exd4 Nxe4 ' +
'16. '
'15. exd4 Nxe4! ' +
'16. Bxb4 '
],
[
'[Event "A New Hope"]',

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