r1bqk1r1/pp1p1p2/nn2p1pQ/2b5/1p3NP1/B1P5/P2PPP1P/RN2KB1R w KQq - 6 15
FEN state: r1bqk1r1/pp1p1p2/nn2p1pQ/2b5/1p3NP1/B1P5/P2PPP1P/RN2KB1R w KQq - 6 15 ; Best move: a3c1
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 rook at g8. Black pawn at a7, black pawn at b7, black pawn at d7 and black pawn at f7. Black knight at a6, black knight at b6, black pawn at e6, black pawn at g6 and white queen at h6. Black bishop at c5. Black pawn at b4, white knight at f4 and white pawn at g4. White bishop at a3 and white pawn at c3. White pawn at a2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 6. Full move number is 15. White to move.