Difference between revisions of "Chinese Chess Perft Results"

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=Position 5=  
 
=Position 5=  
 
A position with complicated checks and evasions, especially designed to test lazy/update-on-fly move generators, by [[Pham Hong Nguyen|Nguyen Pham]]<ref>[http://www.talkchess.com/forum3/viewtopic.php?f=7&t=76430 Chinese chess Xiangqi perft results] by [[Maksim Korzh]], [[CCC]], January 27, 2021</ref>
 
A position with complicated checks and evasions, especially designed to test lazy/update-on-fly move generators, by [[Pham Hong Nguyen|Nguyen Pham]]<ref>[http://www.talkchess.com/forum3/viewtopic.php?f=7&t=76430 Chinese chess Xiangqi perft results] by [[Maksim Korzh]], [[CCC]], January 27, 2021</ref>
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 +
[[FILE:Xiangqi_pos5.svg|border|text-bottom|300px|Xiangqi Position 5]]
  
 
FEN: CRH1k1e2/3ca4/4ea3/9/2hr5/9/9/4E4/4A4/4KA3 w - - 0 1
 
FEN: CRH1k1e2/3ca4/4ea3/9/2hr5/9/9/4E4/4A4/4KA3 w - - 0 1

Latest revision as of 04:23, 11 February 2021

Home * Board Representation * Move Generation * Perft * Chinese Chess Perft Results

This page contains detailed Chinese Chess perft results for several positions that are useful for debugging, beginning with the start position. The move counters consider moves to the leaf positions only.

Initial Position

Data by Patrice Duhamel[1]

Xiangqi Initial Position[2]

FEN: rheakaehr/9/1c5c1/p1p1p1p1p/9/9/P1P1P1P1P/1C5C1/9/RHEAKAEHR w - - 0 1

Depth Nodes Checks Captures
1 44 0 2
2 1,920 6 72
3 79,666 384 3,159
4 3,290,240 19,380 115,365
5 133,312,995 953,251 4,917,734
6 5,392,831,844 39,288,662 185,194,510
7 217,154,523,878 1,793,957,429 7,806,689,172

Position 2

By Maksim Korzh[3]

Xiangqi Position 2

FEN: r1ea1a3/4kh3/2h1e4/pHp1p1p1p/4c4/6P2/P1P2R2P/1CcC5/9/2EAKAE2 w - - 0 1

Depth Nodes Checks Captures
1 38 1 1
2 1,128 12 10
3 43,929 1,190 2,105
4 1,339,047 21,299 31,409
5 53,112,976 1,496,697 3,262,495


Position 3

Middle game, by Nguyen Pham[4]

Xiangqi Position 3

FEN: 1ceak4/9/h2a5/2p1p3p/5cp2/2h2H3/6PCP/3AE4/2C6/3A1K1H1 w - - 0 1

Depth Nodes
1 7
2 281
3 8,620
4 326,201
5 10,369,923
6 380,156,340
7 12,345,505,147

Position 4

Middle game, by Nguyen Pham[5]

Xiangqi Position 4

FEN: 5a3/3k5/3aR4/9/5r3/5h3/9/3A1A3/5K3/2EC2E2 w - - 0 1

Depth Nodes
1 25
2 424
3 9,850
4 202,884
5 4,739,553
6 100,055,401
7 24,477,590,37


Position 5

A position with complicated checks and evasions, especially designed to test lazy/update-on-fly move generators, by Nguyen Pham[6]

Xiangqi Position 5

FEN: CRH1k1e2/3ca4/4ea3/9/2hr5/9/9/4E4/4A4/4KA3 w - - 0 1

Depth Nodes
1 28
2 516
3 14,808
4 395,483
5 11,842,230
6 367,168,327
7 11,194,690,506


Position 6

A position with complicated checks and evasions, especially designed to test lazy/update-on-fly move generators, by Nguyen Pham[7]

FEN: R1H1k1e2/9/3aea3/9/2hr5/2E6/9/4E4/4A4/4KA3 w - - 0 1

Depth Nodes
1 21
2 364
3 7,626
4 162,837
5 3,500,505
6 81,195,154
7 1,765,627,003


Position 7

A position with complicated checks and evasions, especially designed to test lazy/update-on-fly move generators, by Nguyen Pham[8]

FEN: C1hHk4/9/9/9/9/9/h1pp5/E3C4/9/3A1K3 w - - 0 1

Depth Nodes
1 28
2 222
3 6,241
4 64,971
5 1,914,306
6 23,496,493
7 713,048,593


Position 8

A position with complicated checks and evasions, especially designed to test lazy/update-on-fly move generators, by Nguyen Pham[9]

FEN: 4ka3/4a4/9/9/4H4/p8/9/4C3c/7h1/2EK5 w - - 0 1

Depth Nodes
1 23
2 345
3 8,124
4 149,272
5 3,513,104
6 71,287,903
7 1,657,573,114


Position 9

A position with complicated checks and evasions, especially designed to test lazy/update-on-fly move generators, by Nguyen Pham[10]

FEN: 2e1ka3/9/e3H4/4h4/9/9/9/4C4/2p6/2EK5 w - - 0 1

Depth Nodes
1 21
2 195
3 3,883
4 48,060
5 933,096
6 12,250,386
7 235,622,620


Position 10

A position with complicated checks and evasions, especially designed to test lazy/update-on-fly move generators, by Nguyen Pham[11]

FEN: 1C2ka3/9/C1Hae1h2/p3p3p/6p2/9/P3P3P/3AE4/3p2c2/c1EAK4 w - - 0 1

Depth Nodes
1 30
2 830
3 22,787
4 649,866
5 17,920,736
6 517,687,990
7 14,455,679,002


Position 11

A position with complicated checks and evasions, especially designed to test lazy/update-on-fly move generators, by Nguyen Pham[12]

FEN: ChH1k1e2/c3a4/4ea3/9/2hr5/9/9/4C4/4A4/4KA3 w - - 0 1

Depth Nodes
1 19
2 583
3 11,714
4 376,467
5 8,148,177
6 270,587,571
7 6,347,480,650

See also

Forum Posts

External Links

References

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