r3kbn1/p2nN2r/2p1bp1p/2P1p1p1/4Q3/4P2P/qP3PP1/R3KBNR b q - 4 19
FEN state: r3kbn1/p2nN2r/2p1bp1p/2P1p1p1/4Q3/4P2P/qP3PP1/R3KBNR b q - 4 19 ; Best move: a2a1
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black knight at d7, white knight at e7 and black rook at h7. Black pawn at c6, black bishop at e6, black pawn at f6 and black pawn at h6. White pawn at c5, black pawn at e5 and black pawn at g5. White queen at e4. White pawn at e3 and white pawn at h3. Black queen at a2, white pawn at b2, white pawn at f2 and white pawn at g2. White rook at a1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 4. Full move number is 19. Black to move.