r2q2nr/p1ppb1pp/5k2/1p3pN1/Q2P1P2/2Pp2P1/P4K1P/RN2B2b w - - 12 19
FEN state: r2q2nr/p1ppb1pp/5k2/1p3pN1/Q2P1P2/2Pp2P1/P4K1P/RN2B2b w - - 12 19 ; Best move: a4b5
The current state of the chess board is: Black rook at a8, black queen at d8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black bishop at e7, black pawn at g7 and black pawn at h7. Black king at f6. Black pawn at b5, black pawn at f5 and white knight at g5. White queen at a4, white pawn at d4 and white pawn at f4. White pawn at c3, black pawn at d3 and white pawn at g3. White pawn at a2, white king at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at e1 and black bishop at h1. Both players have exhausted their castles. Half move number is 12. Full move number is 19. White to move.