1rbq2r1/2nkp2p/pppp3b/N4Np1/6n1/2P2PP1/PP1PP1BP/R1BQK1R1 b Q - 1 15
FEN state: 1rbq2r1/2nkp2p/pppp3b/N4Np1/6n1/2P2PP1/PP1PP1BP/R1BQK1R1 b Q - 1 15 ; Best move: b6a5
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8 and black rook at g8. Black knight at c7, black king at d7, black pawn at e7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at c6, black pawn at d6 and black bishop at h6. White knight at a5, white knight at f5 and black pawn at g5. Black knight at g4. White pawn at c3, white pawn at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at d2, white pawn at e2, white bishop at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 15. Black to move.