r1bqkb2/p2pp2r/2Bn4/4nppP/2pP1P1P/Pp6/RPP1P1K1/2BQ2NR b q - 3 15
FEN state: r1bqkb2/p2pp2r/2Bn4/4nppP/2pP1P1P/Pp6/RPP1P1K1/2BQ2NR b q - 3 15 ; Best move: e5c6
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at d7, black pawn at e7 and black rook at h7. White bishop at c6 and black knight at d6. Black knight at e5, black pawn at f5, black pawn at g5 and white pawn at h5. Black pawn at c4, white pawn at d4, white pawn at f4 and white pawn at h4. White pawn at a3 and black pawn at b3. White rook at a2, white pawn at b2, white pawn at c2, white pawn at e2 and white king at g2. White bishop at c1, white queen at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 3. Full move number is 15. Black to move.