r1b1kbn1/pp5r/n1p1p2p/1P1pNpp1/B1P3PP/q3P3/P2P1P2/RNB1K2R w KQq - 0 15
FEN state: r1b1kbn1/pp5r/n1p1p2p/1P1pNpp1/B1P3PP/q3P3/P2P1P2/RNB1K2R w KQq - 0 15 ; Best move: c1a3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at b7 and black rook at h7. Black knight at a6, black pawn at c6, black pawn at e6 and black pawn at h6. White pawn at b5, black pawn at d5, white knight at e5, black pawn at f5 and black pawn at g5. White bishop at a4, white pawn at c4, white pawn at g4 and white pawn at h4. Black queen at a3 and white pawn at e3. White pawn at a2, white pawn at d2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 0. Full move number is 15. White to move.