r1k2b2/p1p1p2p/bpP2prn/6p1/P7/2P1QP1N/2qPP1PP/RNB1KB1R w KQ - 5 15
FEN state: r1k2b2/p1p1p2p/bpP2prn/6p1/P7/2P1QP1N/2qPP1PP/RNB1KB1R w KQ - 5 15 ; Best move: b1a3
The current state of the chess board is: Black rook at a8, black king at c8 and black bishop at f8. Black pawn at a7, black pawn at c7, black pawn at e7 and black pawn at h7. Black bishop at a6, black pawn at b6, white pawn at c6, black pawn at f6, black rook at g6 and black knight at h6. Black pawn at g5. White pawn at a4. White pawn at c3, white queen at e3, white pawn at f3 and white knight at h3. Black queen at c2, white pawn at d2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 5. Full move number is 15. White to move.