rn2kb1r/1p1b1pp1/pq2p1Bp/2pp4/P2P1PnP/1P2P2R/1QP5/RNB2KN1 w - - 0 19
FEN state: rn2kb1r/1p1b1pp1/pq2p1Bp/2pp4/P2P1PnP/1P2P2R/1QP5/RNB2KN1 w - - 0 19 ; Best move: a4a5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black bishop at d7, black pawn at f7 and black pawn at g7. Black pawn at a6, black queen at b6, black pawn at e6, white bishop at g6 and black pawn at h6. Black pawn at c5 and black pawn at d5. White pawn at a4, white pawn at d4, white pawn at f4, black knight at g4 and white pawn at h4. White pawn at b3, white pawn at e3 and white rook at h3. White queen at b2 and white pawn at c2. White rook at a1, white knight at b1, white bishop at c1, white king at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 19. White to move.