1/*
2 Stockfish, a UCI chess playing engine derived from Glaurung 2.1
3 Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
4 Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
5 Copyright (C) 2015-2019 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
6
7 Stockfish is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
11
12 Stockfish is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
19*/
20
21#include <fstream>
22#include <iostream>
23#include <istream>
24#include <vector>
25
26#include "position.h"
27
28using namespace std;
29
30namespace {
31
32const vector<string> Defaults = {
33 "setoption name UCI_Chess960 value false",
34 "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1",
35 "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 0 10",
36 "8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8 w - - 0 11",
37 "4rrk1/pp1n3p/3q2pQ/2p1pb2/2PP4/2P3N1/P2B2PP/4RRK1 b - - 7 19",
38 "rq3rk1/ppp2ppp/1bnpb3/3N2B1/3NP3/7P/PPPQ1PP1/2KR3R w - - 7 14 moves d4e6",
39 "r1bq1r1k/1pp1n1pp/1p1p4/4p2Q/4Pp2/1BNP4/PPP2PPP/3R1RK1 w - - 2 14 moves g2g4",
40 "r3r1k1/2p2ppp/p1p1bn2/8/1q2P3/2NPQN2/PPP3PP/R4RK1 b - - 2 15",
41 "r1bbk1nr/pp3p1p/2n5/1N4p1/2Np1B2/8/PPP2PPP/2KR1B1R w kq - 0 13",
42 "r1bq1rk1/ppp1nppp/4n3/3p3Q/3P4/1BP1B3/PP1N2PP/R4RK1 w - - 1 16",
43 "4r1k1/r1q2ppp/ppp2n2/4P3/5Rb1/1N1BQ3/PPP3PP/R5K1 w - - 1 17",
44 "2rqkb1r/ppp2p2/2npb1p1/1N1Nn2p/2P1PP2/8/PP2B1PP/R1BQK2R b KQ - 0 11",
45 "r1bq1r1k/b1p1npp1/p2p3p/1p6/3PP3/1B2NN2/PP3PPP/R2Q1RK1 w - - 1 16",
46 "3r1rk1/p5pp/bpp1pp2/8/q1PP1P2/b3P3/P2NQRPP/1R2B1K1 b - - 6 22",
47 "r1q2rk1/2p1bppp/2Pp4/p6b/Q1PNp3/4B3/PP1R1PPP/2K4R w - - 2 18",
48 "4k2r/1pb2ppp/1p2p3/1R1p4/3P4/2r1PN2/P4PPP/1R4K1 b - - 3 22",
49 "3q2k1/pb3p1p/4pbp1/2r5/PpN2N2/1P2P2P/5PP1/Q2R2K1 b - - 4 26",
50 "6k1/6p1/6Pp/ppp5/3pn2P/1P3K2/1PP2P2/3N4 b - - 0 1",
51 "3b4/5kp1/1p1p1p1p/pP1PpP1P/P1P1P3/3KN3/8/8 w - - 0 1",
52 "2K5/p7/7P/5pR1/8/5k2/r7/8 w - - 0 1 moves g5g6 f3e3 g6g5 e3f3",
53 "8/6pk/1p6/8/PP3p1p/5P2/4KP1q/3Q4 w - - 0 1",
54 "7k/3p2pp/4q3/8/4Q3/5Kp1/P6b/8 w - - 0 1",
55 "8/2p5/8/2kPKp1p/2p4P/2P5/3P4/8 w - - 0 1",
56 "8/1p3pp1/7p/5P1P/2k3P1/8/2K2P2/8 w - - 0 1",
57 "8/pp2r1k1/2p1p3/3pP2p/1P1P1P1P/P5KR/8/8 w - - 0 1",
58 "8/3p4/p1bk3p/Pp6/1Kp1PpPp/2P2P1P/2P5/5B2 b - - 0 1",
59 "5k2/7R/4P2p/5K2/p1r2P1p/8/8/8 b - - 0 1",
60 "6k1/6p1/P6p/r1N5/5p2/7P/1b3PP1/4R1K1 w - - 0 1",
61 "1r3k2/4q3/2Pp3b/3Bp3/2Q2p2/1p1P2P1/1P2KP2/3N4 w - - 0 1",
62 "6k1/4pp1p/3p2p1/P1pPb3/R7/1r2P1PP/3B1P2/6K1 w - - 0 1",
63 "8/3p3B/5p2/5P2/p7/PP5b/k7/6K1 w - - 0 1",
64
65 // 5-man positions
66 "8/8/8/8/5kp1/P7/8/1K1N4 w - - 0 1", // Kc2 - mate
67 "8/8/8/5N2/8/p7/8/2NK3k w - - 0 1", // Na2 - mate
68 "8/3k4/8/8/8/4B3/4KB2/2B5 w - - 0 1", // draw
69
70 // 6-man positions
71 "8/8/1P6/5pr1/8/4R3/7k/2K5 w - - 0 1", // Re5 - mate
72 "8/2p4P/8/kr6/6R1/8/8/1K6 w - - 0 1", // Ka2 - mate
73 "8/8/3P3k/8/1p6/8/1P6/1K3n2 b - - 0 1", // Nd2 - draw
74
75 // 7-man positions
76 "8/R7/2q5/8/6k1/8/1P5p/K6R w - - 0 124", // Draw
77
78 // Mate and stalemate positions
79 "6k1/3b3r/1p1p4/p1n2p2/1PPNpP1q/P3Q1p1/1R1RB1P1/5K2 b - - 0 1",
80 "r2r1n2/pp2bk2/2p1p2p/3q4/3PN1QP/2P3R1/P4PP1/5RK1 w - - 0 1",
81 "8/8/8/8/8/6k1/6p1/6K1 w - -",
82 "7k/7P/6K1/8/3B4/8/8/8 b - -",
83
84 // Chess 960
85 "setoption name UCI_Chess960 value true",
86 "bbqnnrkr/pppppppp/8/8/8/8/PPPPPPPP/BBQNNRKR w KQkq - 0 1 moves g2g3 d7d5 d2d4 c8h3 c1g5 e8d6 g5e7 f7f6",
87 "setoption name UCI_Chess960 value false"
88};
89
90} // namespace
91
92/// setup_bench() builds a list of UCI commands to be run by bench. There
93/// are five parameters: TT size in MB, number of search threads that
94/// should be used, the limit value spent for each position, a file name
95/// where to look for positions in FEN format and the type of the limit:
96/// depth, perft, nodes and movetime (in millisecs).
97///
98/// bench -> search default positions up to depth 13
99/// bench 64 1 15 -> search default positions up to depth 15 (TT = 64MB)
100/// bench 64 4 5000 current movetime -> search current position with 4 threads for 5 sec
101/// bench 64 1 100000 default nodes -> search default positions for 100K nodes each
102/// bench 16 1 5 default perft -> run a perft 5 on default positions
103
104vector<string> setup_bench(const Position& current, istream& is) {
105
106 vector<string> fens, list;
107 string go, token;
108
109 // Assign default values to missing arguments
110 string ttSize = (is >> token) ? token : "16";
111 string threads = (is >> token) ? token : "1";
112 string limit = (is >> token) ? token : "13";
113 string fenFile = (is >> token) ? token : "default";
114 string limitType = (is >> token) ? token : "depth";
115
116 go = "go " + limitType + " " + limit;
117
118 if (fenFile == "default")
119 fens = Defaults;
120
121 else if (fenFile == "current")
122 fens.push_back(current.fen());
123
124 else
125 {
126 string fen;
127 ifstream file(fenFile);
128
129 if (!file.is_open())
130 {
131 cerr << "Unable to open file " << fenFile << endl;
132 exit(EXIT_FAILURE);
133 }
134
135 while (getline(file, fen))
136 if (!fen.empty())
137 fens.push_back(fen);
138
139 file.close();
140 }
141
142 list.emplace_back("setoption name Threads value " + threads);
143 list.emplace_back("setoption name Hash value " + ttSize);
144 list.emplace_back("ucinewgame");
145
146 for (const string& fen : fens)
147 if (fen.find("setoption") != string::npos)
148 list.emplace_back(fen);
149 else
150 {
151 list.emplace_back("position fen " + fen);
152 list.emplace_back(go);
153 }
154
155 return list;
156}
157