r1b1k1n1/3pb2r/1q3pp1/pppPp2p/4P1PP/5N2/P1NB1P2/1RQ1KB1R w Kq - 0 15
FEN state: r1b1k1n1/3pb2r/1q3pp1/pppPp2p/4P1PP/5N2/P1NB1P2/1RQ1KB1R w Kq - 0 15 ; Best move: b1b5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black knight at g8. Black pawn at d7, black bishop at e7 and black rook at h7. Black queen at b6, black pawn at f6 and black pawn at g6. Black pawn at a5, black pawn at b5, black pawn at c5, white pawn at d5, black pawn at e5 and black pawn at h5. White pawn at e4, white pawn at g4 and white pawn at h4. White knight at f3. White pawn at a2, white knight at c2, white bishop at d2 and white pawn at f2. White rook at b1, white queen at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 0. Full move number is 15. White to move.