r4b1r/p2q2pp/n2k1pPn/Q1p1p2P/2P2Pb1/3P1N2/PP1PK3/1RB2B1R w - - 3 19
FEN state: r4b1r/p2q2pp/n2k1pPn/Q1p1p2P/2P2Pb1/3P1N2/PP1PK3/1RB2B1R w - - 3 19 ; Best move: a5a6
The current state of the chess board is: Black rook at a8, black bishop at f8 and black rook at h8. Black pawn at a7, black queen at d7, black pawn at g7 and black pawn at h7. Black knight at a6, black king at d6, black pawn at f6, white pawn at g6 and black knight at h6. White queen at a5, black pawn at c5, black pawn at e5 and white pawn at h5. White pawn at c4, white pawn at f4 and black bishop at g4. White pawn at d3 and white knight at f3. White pawn at a2, white pawn at b2, white pawn at d2 and white king at e2. White rook at b1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 19. White to move.