Author: Christopher Conkie
Date: 00:37:39 06/13/05
Go up one level in this thread
You sure......? OK......here goes...... :-) >If it recognizes an illegal position, it resets the board to the starting >position. Not quite...... [D]r4rk1/b7/8/8/8/8/B7/R3K2R w KQ - 1 2 Bruja v1.9: Engine 1: Illegal move! (e8g8) 4 00:00 2.028 11.266 +11.36 Rxh1+ Ke2 Rxa1 Bd5 Rd8 4 00:00 2.181 12.116 +11.36 Rxh1+ Ke2 Rxa1 Bd5 Rd8 5 00:00 2.973 16.516 +11.46 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Be6 5 00:00 3.760 19.789 +11.46 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Be6 6 00:00 7.795 38.975 +11.52 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Be6 Rd1 6 00:00 9.514 45.304 +11.52 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Be6 Rd1 7 00:00 18.800 78.333 +11.64 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Be6 Rd1 Kf3 7 00:00 19.946 76.715 +11.64 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Be6 Rd1 Kf3 8 00:00 47.515 135.757 +11.67 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Be6 Ke7 Bb3 Bd4 8 00:00 51.682 139.681 +11.67 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Be6 Ke7 Bb3 Bd4 9 00:00 143.695 208.253 +11.72 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Bc4 Rd1 Kf3 Ke7 Ke4 9 00:00 155.534 210.181 +11.72 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Bc4 Rd1 Kf3 Ke7 Ke4 10 00:01 436.631 289.159 +11.76 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Be4 Ra2 Kf3 Rf2 Kg3 Bd4 Bf3 Ke7 Kf4 10 00:01 473.936 288.985 +11.76 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Be4 Ra2 Kf3 Rf2 Kg3 Bd4 Bf3 Ke7 Kf4 11 00:03 1.091.454 326.782 +11.87 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Bc4 Ke7 Bb5 Rd1 Kf3 Bc5 Ke4 11 00:03 1.176.287 325.841 +11.87 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Bc4 Ke7 Bb5 Rd1 Kf3 Bc5 Ke4 12 00:08 3.106.760 356.279 +11.93 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Be4 Ra2 Kf3 Rf2 Kg3 Ke7 Kh3 Rd2 Kg3 Be3 Kf3 12 00:09 3.311.711 349.705 +11.93 Rxh1+ Ke2 Rxa1 Bd5 Rd8 Be4 Ra2 Kf3 Rf2 Kg3 Ke7 Kh3 Rd2 Kg3 Be3 Kf3 13 00:39 14.586.499 371.441 +12.26 Rxh1+! 13 00:52 19.906.600 380.696 +12.46 Rxh1+ Ke2 Rxa1 Bd5 O-O-O Be6 Kc7 Bc4 Ra4 Bf7 Rf4 Bh5 Rf2 Ke1 Rd2 Bf3 Bd4 13 00:53 20.181.824 378.716 +12.46 Rxh1+ Ke2 Rxa1 Bd5 O-O-O Be6 Kc7 Bc4 Ra4 Bf7 Rf4 Bh5 Rf2 Ke1 Rd2 Bf3 Bd4 14 00:54 20.652.713 380.414 +12.79 Rxh1+! 14 01:23 31.454.446 378.969 +13.13 Rxh1+ Ke2 Rxa1 Bd5 O-O-O Be6 Kc7 Bc4 Ra4 Bb5 Rb4 Ba6 Rd6 Bc8 Kxc8 Kf3 14 01:26 32.419.895 376.975 +13.13 Rxh1+ Ke2 Rxa1 Bd5 O-O-O Be6 Kc7 Bc4 Ra4 Bb5 Rb4 Ba6 Rd6 Bc8 Kxc8 Kf3 In the previous position with legality off in Arena, Bruja knows an illegal move has just been made (no analyse mode, so manually made). It then calculates a move based on the position before black castled through check. [D]8/8/5b2/8/K7/8/kp6/3N4 b - - 1 63 Bruja v1.9: 4 00:00 415 2.184 -4.05 b1N Kb4 Nd2 Kc5 4 00:00 540 2.700 -4.17 b1B Kb4 Bc2 Nf2 4 00:00 557 2.785 -4.17 b1B Kb4 Bc2 Nf2 5 00:00 778 3.890 -4.17 b1B Kb4 Bc2 Ne3 Bb1 5 00:00 926 4.409 -4.17 b1B Kb4 Bc2 Ne3 Bb1 6 00:00 2.172 9.443 -4.05 b1B Kb4 Bc2 Ne3 Bb3 Kc5 6 00:00 3.193 13.304 -4.05 b1B Kb4 Bc2 Ne3 Bb3 Kc5 7 00:00 5.371 21.484 -4.09 b1B Kb4 Bc2 Ne3 Bb3 Kc5 Kb2 7 00:00 7.089 26.255 -4.09 b1B Kb4 Bc2 Ne3 Bb3 Kc5 Kb2 8 00:00 11.882 39.606 -4.05 b1B Kb4 Bc2 Ne3 Bb3 Kc5 Kb2 Kd6 8 00:00 16.801 50.912 -4.09 b1N Kb4 Nd2 Kc5 Kb3 Kd5 Kc2 Nf2 8 00:00 16.845 51.045 -4.09 b1N Kb4 Nd2 Kc5 Kb3 Kd5 Kc2 Nf2 9 00:00 22.750 61.486 -4.13 b1N Kb4 Nd2 Kc5 Kb3 Kd5 Kc2 Nf2 Kc3 9 00:00 31.498 80.764 -4.13 b1N Kb4 Nd2 Kc5 Kb3 Kd5 Kc2 Nf2 Kc3 10 00:00 45.686 108.776 -4.09 b1N Kb4 Nd2 Kc5 Kb3 Ne3 Bg5 Nd5 Kc2 Kd4 10 00:00 60.197 133.771 -4.09 b1N Kb4 Nd2 Kc5 Kb3 Ne3 Bg5 Nd5 Kc2 Kd4 11 00:00 109.740 199.527 -4.17 b1N Kb4 Nd2 Kc5 Kb3 Ne3 Ne4+ Kd5 Nc3+ Kc5 Bg5 Nf1 Kc2 11 00:00 115.803 203.163 -4.17 b1N Kb4 Nd2 Kc5 Kb3 Ne3 Ne4+ Kd5 Nc3+ Kc5 Bg5 Nf1 Kc2 12 00:00 172.909 250.592 -4.09 b1N Kb4 Nd2 Kc5 Kb3 Kd5 Kc2 Nf2 Bh4 Ne4 Nb3 Nd6 12 00:00 227.857 281.304 -4.09 b1N Kb4 Nd2 Kc5 Kb3 Kd5 Kc2 Nf2 Bh4 Ne4 Nb3 Nd6 13 00:01 370.709 330.990 -4.13 b1N Kb4 Nd2 Kc5 Kb3 Kd5 Kc2 Nf2 Bh4 Nh3 Kd3 Nf4+ Kc3 Ng2 13 00:01 508.496 358.095 -4.13 b1N Kb4 Nd2 Kc5 Kb3 Kd5 Kc2 Nf2 Bh4 Nh3 Kd3 Nf4+ Kc3 Ng2 14 00:01 664.631 384.179 -4.13 b1N Kb4 Nd2 Kc5 Kb3 Kd5 Nb1 Ne3 Kc3 Ng4 Bd4 Ne5 Nd2 Ng4 14 00:02 1.003.805 409.716 -4.13 b1N Kb4 Nd2 Kc5 Kb3 Kd5 Nb1 Ne3 Kc3 Ng4 Bd4 Ne5 Nd2 Ng4 15 00:03 1.353.271 426.899 -4.13 b1N Kb4 Nd2 Kc5 Kb3 Ne3 Ne4+ Kd5 Nf2 Ng2 Kc3 Nf4 Bg5 Ne6 Be3 Ke5 15 00:03 1.643.540 437.111 -4.13 b1N Kb4 Nd2 Kc5 Kb3 Ne3 Ne4+ Kd5 Nf2 Ng2 Kc3 Nf4 Bg5 Ne6 Be3 Ke5 16 00:04 2.050.292 452.603 -4.13 b1N Kb4 Nd2 Kc5 Kb3 Ne3 Ne4+ Kd5 Nf2 Ng2 Kc3 Nf4 Bg5 Ng2 Kd3 Ne1+ Ke3 Ng2+ Kd2 16 00:08 3.775.039 455.372 -4.13 b1N Kb4 Nd2 Kc5 Kb3 Ne3 Ne4+ Kd5 Nf2 Ng2 Kc3 Nf4 Bg5 Ng2 Kd3 Ne1+ Ke3 Ng2+ Kd2 17 00:09 4.433.832 464.762 -4.13 b1N Kb4 Nd2 Kc5 Kb3 Ne3 Ne4+ Kd5 Nf2 Ng2 Kc3 Nf4 Bg5 Ng2 Kd3 Ne1+ Ke3 Ng2+ Kd2 Kd4 17 00:13 6.183.579 465.280 -4.17 b1B Kb4 Bc2 Ne3 Bh7 Kc4 Kb2 Ng4 Bg7 Nf2 Kc2 Kd5 Kd2 Ne4+ Kd3 Nf2+ Ke2 Ne4 Bg8+ Kd6 17 00:13 6.184.606 465.357 -4.17 b1B Kb4 Bc2 Ne3 Bh7 Kc4 Kb2 Ng4 Bg7 Nf2 Kc2 Kd5 Kd2 Ne4+ Kd3 Nf2+ Ke2 Ne4 Bg8+ Kd6 18 00:15 7.205.928 470.975 -4.17 b1B Kb4 Bc2 Ne3 Bh7 Kc4 Kb2 Ng4 Bg7 Nf2 Kc2 Kd5 Kd2 Ne4+ Kd3 Nf2+ Ke3 Ng4+ Kf4 Nf2 Bg8+ Kd6 18 00:15 7.413.542 469.211 -4.17 b1B Kb4 Bc2 Ne3 Bh7 Kc4 Kb2 Ng4 Bg7 Nf2 Kc2 Kd5 Kd2 Ne4+ Kd3 Nf2+ Ke3 Ng4+ Kf4 Nf2 Bg8+ Kd6 19 00:21 10.171.987 471.799 -4.17 b1B Kb4 Bc2 Ne3 Bh7 Kc4 Kb2 Ng4 Bg7 Nf2 Kc2 Kd5 Kd2 Ng4 Bf5 Ne5 Ke3 Nc4+ Kd3 Na3 19 00:22 10.453.989 473.888 -4.17 b1B Kb4 Bc2 Ne3 Bh7 Kc4 Kb2 Ng4 Bg7 Nf2 Kc2 Kd5 Kd2 Ng4 Bf5 Ne5 Ke3 Nc4+ Kd3 Na3 20 00:34 16.096.287 472.447 -4.17 b1B Kb4 Bc2 Ne3 Bh7 Kc4 Kb2 Ng4 Bg7 Nf2 Kc2 Kd5 Kd2 Ng4 Bf5 Ne5 Ke3 Nc4+ Kd3 Nd6 Bg6 20 00:35 16.573.837 472.458 -4.17 b1B Kb4 Bc2 Ne3 Bh7 Kc4 Kb2 Ng4 Bg7 Nf2 Kc2 Kd5 Kd2 Ng4 Bf5 Ne5 Ke3 Nc4+ Kd3 Nd6 Bg6 21 00:45 21.650.338 481.118 -4.21 b1B Kb4 Bc2 Ne3 Bh7 Kc4 Kb2 Ng4 Bg7 Nf2 Kc2 Kd5 Kd2 Ne4+ Kd3 Nc5+ Ke3 Kd6 Bd4 Ne6 Bb2 Kd5 Be4+ Kd6 21 00:46 22.324.130 485.307 -4.21 b1B Kb4 Bc2 Ne3 Bh7 Kc4 Kb2 Ng4 Bg7 Nf2 Kc2 Kd5 Kd2 Ne4+ Kd3 Nc5+ Ke3 Kd6 Bd4 Ne6 Bb2 Kd5 Be4+ Kd6 22 00:59 28.278.909 479.303 -4.21 b1B Kb4 Bc2 Ne3 Bh7 Kc4 Kb2 Ng4 Bg7 Kd5 Kb3 Ne5 Kc3 Nc6 Kd3 Nd8 Be4+ Kd6 Ke3 Ne6 Ba1 Nc5 Bf3 22 01:01 29.453.074 482.837 -4.21 b1B Kb4 Bc2 Ne3 Bh7 Kc4 Kb2 Ng4 Bg7 Kd5 Kb3 Ne5 Kc3 Nc6 Kd3 Nd8 Be4+ Kd6 Ke3 Ne6 Ba1 Nc5 Bf3 23 01:24 40.861.521 486.446 -4.21 b1B Kb4 Bc2 Ne3 Bh7 Kc4 Kb2 Ng4 Bg7 Kd5 Kb3 Ne5 Kc3 Nc6 Kd3 Nd8 Be4+ Kd6 Ke3 Ne6 Ba1 Nc5 Bf3 Na4 23 01:29 43.183.781 485.211 -4.21 b1B Kb4 Bc2 Ne3 Bh7 Kc4 Kb2 Ng4 Bg7 Kd5 Kb3 Ne5 Kc3 Nc6 Kd3 Nd8 Be4+ Kd6 Ke3 Ne6 Ba1 Nc5 Bf3 Na4 There is not much wrong with Bruja's underpromotion code. [D]2n1k1n1/1n1n1n1n/n1n1n1n1/8/8/1N1N1N1N/N1N1N1N1/1N1K1N2 w - - 0 1 Bruja v1.9: 4 00:00 0 0 0.00 Nb1d2 4 00:00 0 0 0.00 Nb1d2 5 00:00 0 0 0.00 Nb1d2 5 00:00 0 0 0.00 Nb1d2 6 00:00 0 0 0.00 Nb1d2 6 00:00 0 0 0.00 Nb1d2 7 00:00 0 0 0.00 Nb1d2 7 00:00 0 0 0.00 Nb1d2 8 00:00 0 0 0.00 Nb1d2 8 00:00 0 0 0.00 Nb1d2 9 00:00 0 0 0.00 Nb1d2 9 00:00 0 0 0.00 Nb1d2 10 00:00 0 0 0.00 Nb1d2 10 00:00 0 0 0.00 Nb1d2 11 00:00 0 0 0.00 Nb1d2 11 00:00 0 0 0.00 Nb1d2 12 00:00 0 0 0.00 Nb1d2 12 00:00 0 0 0.00 Nb1d2 13 00:00 0 0 0.00 Nb1d2 13 00:00 0 0 0.00 Nb1d2 14 00:00 0 0 0.00 Nb1d2 14 00:00 0 0 0.00 Nb1d2 15 00:00 0 0 0.00 Nb1d2 15 00:00 0 0 0.00 Nb1d2 16 00:00 0 0 0.00 Nb1d2 16 00:00 0 0 0.00 Nb1d2 17 00:00 0 0 0.00 Nb1d2 17 00:00 0 0 0.00 Nb1d2 18 00:00 0 0 0.00 Nb1d2 18 00:00 0 0 0.00 Nb1d2 19 00:00 0 0 0.00 Nb1d2 19 00:00 0 0 0.00 Nb1d2 20 00:00 0 0 0.00 Nb1d2 20 00:00 0 0 0.00 Nb1d2 21 00:00 0 0 0.00 Nb1d2 21 00:00 0 0 0.00 Nb1d2 22 00:00 0 0 0.00 Nb1d2 22 00:00 0 0 0.00 Nb1d2 23 00:00 0 0 0.00 Nb1d2 23 00:00 0 0 0.00 Nb1d2 24 00:00 0 0 0.00 Nb1d2 24 00:00 0 0 0.00 Nb1d2 25 00:00 0 0 0.00 Nb1d2 25 00:00 0 0 0.00 Nb1d2 26 00:00 0 0 0.00 Nb1d2 26 00:00 0 0 0.00 Nb1d2 27 00:00 0 0 0.00 Nb1d2 27 00:00 0 0 0.00 Nb1d2 28 00:00 0 0 0.00 Nb1d2 28 00:00 0 0 0.00 Nb1d2 29 00:00 0 0 0.00 Nb1d2 29 00:00 0 0 0.00 Nb1d2 30 00:00 0 0 0.00 Nb1d2 30 00:00 0 0 0.00 Nb1d2 31 00:00 0 0 0.00 Nb1d2 31 00:00 0 0 0.00 Nb1d2 32 00:00 0 0 0.00 Nb1d2 32 00:00 0 0 0.00 Nb1d2 33 00:00 0 0 0.00 Nb1d2 33 00:00 0 0 0.00 Nb1d2 34 00:00 0 0 0.00 Nb1d2 34 00:00 0 0 0.00 Nb1d2 35 00:00 0 0 0.00 Nb1d2 35 00:00 0 0 0.00 Nb1d2 36 00:00 0 0 0.00 Nb1d2 36 00:00 0 0 0.00 Nb1d2 37 00:00 0 0 0.00 Nb1d2 37 00:00 0 0 0.00 Nb1d2 38 00:00 0 0 0.00 Nb1d2 38 00:00 0 0 0.00 Nb1d2 39 00:00 0 0 0.00 Nb1d2 39 00:00 0 0 0.00 Nb1d2 40 00:00 0 0 0.00 Nb1d2 40 00:00 0 0 0.00 Nb1d2 41 00:00 0 0 0.00 Nb1d2 41 00:00 0 0 0.00 Nb1d2 42 00:00 0 0 0.00 Nb1d2 42 00:00 0 0 0.00 Nb1d2 43 00:00 0 0 0.00 Nb1d2 43 00:00 0 0 0.00 Nb1d2 44 00:00 0 0 0.00 Nb1d2 44 00:00 0 0 0.00 Nb1d2 45 00:00 0 0 0.00 Nb1d2 45 00:00 0 0 0.00 Nb1d2 46 00:00 0 0 0.00 Nb1d2 46 00:00 0 0 0.00 Nb1d2 47 00:00 0 0 0.00 Nb1d2 47 00:00 0 0 0.00 Nb1d2 48 00:00 0 0 0.00 Nb1d2 48 00:00 0 0 0.00 Nb1d2 49 00:00 0 0 0.00 Nb1d2 49 00:00 0 0 0.00 Nb1d2 50 00:00 0 0 0.00 Nb1d2 50 00:00 0 0 0.00 Nb1d2 51 00:00 0 0 0.00 Nb1d2 51 00:00 0 0 0.00 Nb1d2 52 00:00 0 0 0.00 Nb1d2 52 00:00 0 0 0.00 Nb1d2 53 00:00 0 0 0.00 Nb1d2 53 00:00 0 0 0.00 Nb1d2 54 00:00 0 0 0.00 Nb1d2 54 00:00 0 0 0.00 Nb1d2 55 00:00 0 0 0.00 Nb1d2 55 00:00 0 0 0.00 Nb1d2 56 00:00 0 0 0.00 Nb1d2 56 00:00 0 0 0.00 Nb1d2 57 00:00 0 0 0.00 Nb1d2 57 00:00 0 0 0.00 Nb1d2 58 00:00 0 0 0.00 Nb1d2 58 00:00 0 0 0.00 Nb1d2 59 00:00 0 0 0.00 Nb1d2 59 00:00 0 0 0.00 Nb1d2 60 00:00 0 0 0.00 Nb1d2 60 00:00 0 0 0.00 Nb1d2 61 00:00 0 0 0.00 Nb1d2 61 00:00 0 0 0.00 Nb1d2 62 00:00 0 0 0.00 Nb1d2 62 00:00 0 0 0.00 Nb1d2 63 00:00 0 0 0.00 Nb1d2 63 00:00 0 0 0.00 Nb1d2 There is however something wrong in the one above. The position is illegal because there cannot be any more than 8 promoted pieces on a board. In this case we have 8 for both sides, which is wrong. Also it appears that the max depth of Bruja is 63 (maybe since it starts the count of depth at 4 so it could be 60, which is the same as Crafty). I can also tell you that Bruja does not play chess if there are more than 32 pieces on the board. All this using just these 3 published positions. :-) Christopher
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