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Revert "pseudo_legal() and MOVE_NONE"

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This reverts commit 33d9548218 ,
which crashed in DEBUG mode because of the following assert in position.h

````
Assertion failed: (is_ok(m)), function capture, file ./position.h, line 369.
````

No functional change
This commit is contained in:
Stéphane Nicolet
2018-12-06 15:00:38 +01:00
parent 7b4f9c37cb
commit 5c2fbcd09b
2 changed files with 8 additions and 6 deletions
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13
src/movepick.cpp
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@@ -67,7 +67,7 @@ MovePicker::MovePicker(const Position& p, Move ttm, Depth d, const ButterflyHist
assert(d > DEPTH_ZERO);
stage = pos.checkers() ? EVASION_TT : MAIN_TT;
ttMove = pos.pseudo_legal(ttm) ? ttm : MOVE_NONE;
ttMove = ttm && pos.pseudo_legal(ttm) ? ttm : MOVE_NONE;
stage += (ttMove == MOVE_NONE);
}
@@ -79,8 +79,9 @@ MovePicker::MovePicker(const Position& p, Move ttm, Depth d, const ButterflyHist
assert(d <= DEPTH_ZERO);
stage = pos.checkers() ? EVASION_TT : QSEARCH_TT;
ttMove = pos.pseudo_legal(ttm)
&& (depth > DEPTH_QS_RECAPTURES || to_sq(ttm) == recaptureSquare) ? ttm : MOVE_NONE;
ttMove = ttm
&& pos.pseudo_legal(ttm)
&& (depth > DEPTH_QS_RECAPTURES || to_sq(ttm) == recaptureSquare) ? ttm : MOVE_NONE;
stage += (ttMove == MOVE_NONE);
}
@@ -92,7 +93,8 @@ MovePicker::MovePicker(const Position& p, Move ttm, Value th, const CapturePiece
assert(!pos.checkers());
stage = PROBCUT_TT;
ttMove = pos.pseudo_legal(ttm)
ttMove = ttm
&& pos.pseudo_legal(ttm)
&& pos.capture(ttm)
&& pos.see_ge(ttm, threshold) ? ttm : MOVE_NONE;
stage += (ttMove == MOVE_NONE);
@@ -192,7 +194,8 @@ top:
/* fallthrough */
case REFUTATION:
if (select<Next>([&](){ return !pos.capture(move)
if (select<Next>([&](){ return move != MOVE_NONE
&& !pos.capture(move)
&& pos.pseudo_legal(move); }))
return move;
++stage;