1rb1k1nr/pppp1q1p/5p2/n5pP/2P1PbP1/1Q1p1P1N/PP3KB1/RN3R2 b k - 1 15
FEN state: 1rb1k1nr/pppp1q1p/5p2/n5pP/2P1PbP1/1Q1p1P1N/PP3KB1/RN3R2 b k - 1 15 ; Best move: a5b3
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7, black queen at f7 and black pawn at h7. Black pawn at f6. Black knight at a5, black pawn at g5 and white pawn at h5. White pawn at c4, white pawn at e4, black bishop at f4 and white pawn at g4. White queen at b3, black pawn at d3, white pawn at f3 and white knight at h3. White pawn at a2, white pawn at b2, white king at f2 and white bishop at g2. White rook at a1, white knight at b1 and white rook at f1. Black kingside is the only castle move available. Half move number is 1. Full move number is 15. Black to move.