4kb1r/p1r4p/1ppq1ppn/2Ppn3/1PN1p1b1/3PP2P/P1Q1NPP1/1RB1KBR1 w k - 6 19
FEN state: 4kb1r/p1r4p/1ppq1ppn/2Ppn3/1PN1p1b1/3PP2P/P1Q1NPP1/1RB1KBR1 w k - 6 19 ; Best move: c4d6
The current state of the chess board is: Black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black rook at c7 and black pawn at h7. Black pawn at b6, black pawn at c6, black queen at d6, black pawn at f6, black pawn at g6 and black knight at h6. White pawn at c5, black pawn at d5 and black knight at e5. White pawn at b4, white knight at c4, black pawn at e4 and black bishop at g4. White pawn at d3, white pawn at e3 and white pawn at h3. White pawn at a2, white queen at c2, white knight at e2, white pawn at f2 and white pawn at g2. White rook at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 6. Full move number is 19. White to move.