rnb1kb2/p2pp2r/5pp1/3P3p/5qn1/1PP1PP1P/P2KB1PR/1RB2QN1 b q - 0 15
FEN state: rnb1kb2/p2pp2r/5pp1/3P3p/5qn1/1PP1PP1P/P2KB1PR/1RB2QN1 b q - 0 15 ; Best move: g4e3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, 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. Black pawn at f6 and black pawn at g6. White pawn at d5 and black pawn at h5. Black queen at f4 and black knight at g4. White pawn at b3, white pawn at c3, white pawn at e3, white pawn at f3 and white pawn at h3. White pawn at a2, white king at d2, white bishop at e2, white pawn at g2 and white rook at h2. White rook at b1, white bishop at c1, white queen at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 15. Black to move.