From f1d1f436af75b72e3791b9ff5b7d729717a5a669 Mon Sep 17 00:00:00 2001
From: VS-Code <->
Date: Mon, 9 Feb 2026 16:21:00 +0100
Subject: [PATCH] Chess-Update

---
 chess/chess_64.py | 90 +++++++++++++++++++++++++++++++++--------------
 1 file changed, 63 insertions(+), 27 deletions(-)

diff --git a/chess/chess_64.py b/chess/chess_64.py
index db5d797..55f7ad6 100644
--- a/chess/chess_64.py
+++ b/chess/chess_64.py
@@ -16,8 +16,10 @@ A3, B3, C3, D3, E3, F3, G3, H3 = range(16, 24)
 A2, B2, C2, D2, E2, F2, G2, H2 = range(8, 16)
 A1, B1, C1, D1, E1, F1, G1, H1 = range(8)
 
-NOT_A_FILE = 0xfefefefefefefefe
-NOT_H_FILE = 0x7f7f7f7f7f7f7f7f
+NOT_A = 0xfefefefefefefefe
+NOT_H = 0x7f7f7f7f7f7f7f7f
+NOT_AB = 0xfcfcfcfcfcfcfcfc
+NOT_GH = 0x3f3f3f3f3f3f3f3f
 FULL_MASK = 0xffffffffffffffff
 
 INDEX_TO_FIELD = [
@@ -31,25 +33,12 @@ INDEX_TO_FIELD = [
     "a8", "b8", "c8", "d8", "e8", "f8", "g8", "h8",
 ]
 
-''' Board Index:
-       a    b    c    d    e    f    g    h
-    8 [56] [57] [58] [59] [60] [61] [62] [63]
-    7 [48] [49] [50] [51] [52] [53] [54] [55]
-    6 [40] [41] [42] [43] [44] [45] [46] [47]
-    5 [32] [33] [34] [35] [36] [37] [38] [39]
-    4 [24] [25] [26] [27] [28] [29] [30] [31]
-    3 [16] [17] [18] [19] [20] [21] [22] [23]
-    2 [08] [09] [10] [11] [12] [13] [14] [15]
-    1 [00] [01] [02] [03] [03] [05] [06] [07]
-     
-'''
-
-class bitboard():
+class Bitboard():
     def __init__(self) -> None:
         
         # WHITE 0:King, 1:Queen, 2:Bishop, 3:Knight, 4:Rook, 5:Pawn
         # BLACK 6:King, 7:Queen, 8:Bishop, 9:Knight, 10:Rook, 11:Pawn
-        self.bitboards = [0, 0, 0, 0, 0, 0, # List of All Bitboards
+        self.bitboards = [0, 0, 0, 0, 0, 0,
                           0, 0, 0, 0, 0, 0]
         
         self.side_to_move = WHITE
@@ -82,7 +71,8 @@ class bitboard():
         # King Moves
         king = self.bitboards[KIN]
         king_moves = 0
-        king_moves |= king 
+        king_moves = (king & NOT_A) >> 1 | (king & NOT_A) << 7 | king << 8 | (king & NOT_H) << 9 | (king & NOT_H) << 1 | (king & NOT_H) >> 7 | king >> 8 | (king & NOT_A) >> 9
+        king_moves &= FULL_MASK
 
         pass
     
@@ -90,8 +80,7 @@ class bitboard():
     
     
     def make_move(self, move):
-        # MOVE:
-        # Aufbau:
+        # Setup
         # Bit 0-5:  Target  (6 Bit, Index: 0-63)
         # Bit 6-11: Source  (6 Bit, Index: 0-63)
         # Bit 12-15:  Flags  (4 Bit)
@@ -102,12 +91,59 @@ class bitboard():
         pass
         
 
-    
-def encode_move():
-    pass
-
-def decode_move():
-    pass
 
 
-    
\ No newline at end of file
+
+KIN_ATTACKS = [0] * 64
+NHT_ATTACKS = [0] * 64
+
+PAW_ATTACKS = [0] * 128 # 0-63 für Weiße Bauern, 64-127 für Schwarze Bauern
+
+RAY_N  = [0] * 64
+RAY_NE = [0] * 64
+RAY_E  = [0] * 64
+RAY_SE = [0] * 64
+RAY_S  = [0] * 64
+RAY_SW = [0] * 64
+RAY_W  = [0] * 64
+RAY_NW = [0] * 64
+
+def initialize():
+    for sq in range(64):
+        # King
+        kin = 1 << sq
+        kin_attacks = (kin & NOT_A) << 7 | kin << 8 | (kin & NOT_H) << 9 | (kin & NOT_H) << 1 | \
+                      (kin & NOT_H) >> 7 | kin >> 8 | (kin & NOT_A) >> 9 | (kin & NOT_A) >> 1
+        KIN_ATTACKS[sq] = kin_attacks & FULL_MASK
+
+        # Knight
+        nht = 1 << sq
+        nht_attacks = (nht & NOT_AB) << 6 | (nht & NOT_A) << 15 | (nht & NOT_H) << 17 | (nht & NOT_GH) << 10 | \
+                      (nht & NOT_GH) >> 6 | (nht & NOT_H) >> 15 | (nht & NOT_A) >> 17 | (nht & NOT_AB) >> 10
+        NHT_ATTACKS[sq] = nht_attacks & FULL_MASK
+
+        # Pawns
+        paw = 1 << sq
+
+        w_attacks = (paw & NOT_A) << 7 | (paw & NOT_H) << 9
+        PAW_ATTACKS[sq] = w_attacks & FULL_MASK
+
+        b_attacks = (paw & NOT_A) >> 9 | (paw & NOT_H) >> 7
+        PAW_ATTACKS[sq + 64] = b_attacks & FULL_MASK
+
+        # Rays
+        # North
+
+''' Board Index:
+       a    b    c    d    e    f    g    h
+    8 [56] [57] [58] [59] [60] [61] [62] [63]
+    7 [48] [49] [50] [51] [52] [53] [54] [55]
+    6 [40] [41] [42] [43] [44] [45] [46] [47]
+    5 [32] [33] [34] [35] [36] [37] [38] [39]
+    4 [24] [25] [26] [27] [28] [29] [30] [31]
+    3 [16] [17] [18] [19] [20] [21] [22] [23]
+    2 [08] [09] [10] [11] [12] [13] [14] [15]
+    1 [00] [01] [02] [03] [03] [05] [06] [07]
+     
+'''
+