r2k1r2/p2p1p1p/2nb1np1/4pbP1/2p1P1P1/Np1P3B/2PQN2P/B1R1K2R b - - 10 19
FEN state: r2k1r2/p2p1p1p/2nb1np1/4pbP1/2p1P1P1/Np1P3B/2PQN2P/B1R1K2R b - - 10 19 ; Best move: d6a3
The current state of the chess board is: Black rook at a8, black king at d8 and black rook at f8. Black pawn at a7, black pawn at d7, black pawn at f7 and black pawn at h7. Black knight at c6, black bishop at d6, black knight at f6 and black pawn at g6. Black pawn at e5, black bishop at f5 and white pawn at g5. Black pawn at c4, white pawn at e4 and white pawn at g4. White knight at a3, black pawn at b3, white pawn at d3 and white bishop at h3. White pawn at c2, white queen at d2, white knight at e2 and white pawn at h2. White bishop at a1, white rook at c1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 10. Full move number is 19. Black to move.